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How to get your forecast

You can easily personalize your forecast,
just follow these steps:

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Mark your area at the map
Choose one of the models
Choose parameters
Select number of days and time step
View online or download grib file

This will let you access multiple forecasts
for your area in a short time

 

Set your area

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About the service

At Gribfiles.com you will find a large selection of grib files intended for use in maritime navigation software, in additon you also have the possibility to view the forecasts online without using a grib viewer.
You can choose between 22 different models, stretching from low resolution global models, to higher resolution files for coastal forecasting. All can be customized for your local area and the parameters of your choice.
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Atmospheric models

Low resolution full area

Medium resolution Europe

Medium resolution America



Wave models

Low resolution full area

Medium resolution Europe

Medium resolution America



Ocean models:

Low resolution

Medium resolution Europe

Your chosen model

Parameters

 

Merge global waves

Set time and step

 

Regrid


 

Additional

 

GRIB files to download

View forecast online

Warning!

Forecasts are not verified, conditions may not be as the files shows.
Forecasts shall only be used as a supplement to forecasts from
official sources, never as a replacement. Critical decisions
shall never be taken at the basis of information from this service.
Please use the forecasts with caution, at your own risk.

Forecasts shall never be used as a source of information
according to tropical storms or hurricanes.
Always check with National Hurricane center for such information.


Subscriptions and prices

 

The large selection of grib files and online forecasts can be obtained by four different subscriptions.
The applicable VAT rate for European and Norwegian citizens will be added in the payment processor.
You will instant access to the service as soon you have completed the payment.
Click at the signup links to get access to the grib files and online forecasts.

Subscription 1 Subscription 2 Subscription 3
Duration 1 week 1 month 6 months
Price 20 euro ex VAT, up to 25 Euro incl VAT 40 euro ex VAT, up to 50 Euro incl VAT 200 euro ex VAT, up to 250 Euro incl VAT
Access Full access to all models* Full access to all models* Full access to all models*
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*Restrictions
You are not allowed to log in from more than 5 different ip addresses and/or request more than 20 grib files/online forecasts over a 24 hour period.
The service is open for private persons only.
Read the terms and conditions for other restrictions.

The models

At gribfiles.com you will find a large selection of different grib files and online forecasts for the north Atlantic and Mediterranean waters.
We intend to deliver a wide specter of data, from models with low resolution for the whole area to higher resolution models for more specific areas.
The service conatains:

3 low resolution and 1 ensambe atmospheric model
1 - 2 Medium resolution models for most of the costal areas of Europe, Caribbean and the east coast of north America.
2 low resoluting wave models
1 Local wave model for the Atlantic coast of Europe and Mediterranean, and 1 for Caribbean and the east coast of north America.
4 different models for ocean current
Together you get instant access to about 22 different models!
Stretching from the "usual" GFS to WRF simulations of higher resolution.

Se our large selection of grib files at the top of this page.

 

Why all this data?

All models have strong and weak sides. The low resolution models are good for seeing "the big picture" and longterm ocean forecasting,
but when forecasting in coastal areas you will need files with better resolution to capture local systems the low resolution models don't see.
Often different models shows different forecasts. By using more than one model you can get a feeling about the forecasts accuracy.
If all models show the same development the forecast can be quite good, but be aware if the development don't agree in the different models.
To satisfy this needs you will find all a wide selection of different models at Gribfiles.com.
Regardless of this you shall not expect that grib files and online forecasts always will conformity with the coming conditions, even if using multiple files.
Grib files and online forecasts shall only be used as a supplement to forecasts from official sources (such as GMDSS, text/radio forecasts from meteorological centers),
never as a replacement.

 

The grib format

Grib stands for gridded binary, and is a form of packing meteorological data.
The files contain different kinds of parameters, stretching from precipitation and cloud cover to wind speed and wave height.
Grib data are a numeric product and are not verified by meteorologists.
From time to time the grib files will give a wrong forecast. In some situations the conditions may be significantly different than the files show.
Grib files shall only be used as a supplement to forecasts from official sources (such as GMDSS, text/radio forecasts from meteorological centers), never as a replacement.
Critical decisions shall never be taken at the basis of information from this service, and any decisions made on the basis of information from this service, is entirely at the users own risk. Please use the files and forecasts with caution.

 

Visualize grib files

For visualize the gribdata you will need a grib viewer.
There is a lot of different viewers available at the market, stretching from free versions to high tech programs for the professional market.
In addition many of the modern navigations softwares supports viewing grib files.
Please be aware that not all programs support the grib standard/codes available at this site.
If you need help to choose the right viewer, feel free to contact us.

 

Visualize the forecasts online

The service also let you view your forecasts online without opening them in a grib viewer.
This is a easy and powerfull way to view your forecast in a short time.

 

Sources of data

Grib files are common at the web, but many origin from the same source. By using data from our service you will be sure what data you download.
Some of the data we deliver are free at the web and others are custom made for our service.

 

CMC Global
Type of model Atmospheric GEM model
Geographic area Inside the red box at the frontpage map
Model grid (horizontal, deg) 0,25 x 0,30
grib file grid (horizontal, deg) 0,5 x 0,5 (derivated from 0,6 x 0,6)
Timespan (hours) 144
Time step (hours) 3
Available parameters Mean sea level pressure
Wind at 10 m
Hight for 500 mb level
Temperature at 2 m
Total precipitation (3 hour)
Total cloud
Initialization time (UTC) 00:00 and 12:00
Available from server (app, UTC) 05:30 and 17:30
Source of data Canadian Meteorological Centre
Remarks "Based on Environment Canada data"
Use for Longterm outlook
Do not use for Short term forecasts for coastal areas
Comments A good model to use instead, or in addition, to the "usual" GFS model used almost everywhere at the web. Be aware that the wind is nearly always underestimated for coastal areas.
Technical grib information Preciptiation is converted to 3 hour ongoing from the previous timestep, this differ from the standard CMC output.
The data is regridded by Gribfiles.com.

 

GFS
Type of model Global Forecast System
Geographic area Inside the red box at the frontpage map
Model grid (horizontal, deg) 0,5 x 0,5
grib file grid (horizontal, deg) 0,5 x 0,5
Timespan (hours) 180
Time step (hours) 3
Available parameters Mean sea level pressure
Wind at 10 m
Hight for 500 mb level
Temperature at 2 m
Total cloud cover
Total precipitation (3 hour)
Initialization time (UTC) 00:00, 06:00, 12:00, 18:00
Available from server (app, UTC) 05:00, 11:00, 17:00, 23:00
Source of data NCEP - NOAA
Remarks  
Use for Longterm outlook
Do not use for Short term forecasts for coastal areas
Comments This is the model usually found at many of the the free weather sources at the web, and backing up with data from any of these other sources don't give you any new data. A god model for ocean forecasting, but be aware that the wind is nearly always underestimated for coastal areas.
Technical grib information Preciptiation and cloud cover is converted to 3 hour ongoing from the previous timestep, this differ from the standard GFS output.

 

NAVGEM
Type of model Navy Global Environmental Model
Geographic area Inside the red box at the frontpage map
Model grid (horizontal, deg) 0,5 x 0,5
Grib file grid (horizontal, deg) 0,5 x 0,5
Timespan (hours) 144
Time step (hours) 3
Available parameters Mean sea level pressure
Wind at 10 m
Initialization time (UTC) 00:00, 06:00, 12:00 and 18:00
Available from server (app, UTC) 01:00, 07:00, 13:00 and 19:00
Source of data FNMOC
Remarks Data from the USGODAE Project
Use for Longterm outlook
Do not use for Short term forecasts for coastal areas
Comments Not recommended as a single source of data, but a good number 2 or 3 for backing up with multiple sources.
Unfortunately the model may be delayed from the server from time to time.

 

COAMPS Europe
Type of model Coupled ocean/atmospheric mesoscale prediction system
Geographic area Inside the red box at the frontpage map
Model grid (horizontal, km)
Grib file grid (horizontal, deg) 0,2 x 0,2
Timespan (hours) 72
Time step (hours) 6
Available parameters Mean sea level pressure
Wind at 10 m
Initialization time (UTC) 00:00 and 12:00
Available from server (app, UTC) 03:45 and 15:45
Source of data FNMOC
Remarks Data from the USGODAE Project
Use for Short term outlook
Do not use for Close to shore forecasts
Comments The models resolution is not good enough to capture small weather systems and coastal winds.

 

WRF Atlantic
Type of model WRF NMM
Geographic area Inside the red box at the frontpage map
Model grid (horizontal, km) 27
Grib file grid (horizontal, deg) 0,225 x 0,225
Timespan (hours) 72
Time step (hours) 3
Available parameters Mean sea level pressure
Wind at 10 m
Temperature at 2 m
Total precipitation (3 hour)
Total cloud cover
Initialization time (UTC) 00:00 and 12:00
Available from server (app, UTC) 08:15 and 20:15
Source of data Frivind AS
Remarks
Use for Local short term forecast in the open ocean
Do not use for Coastal forecasting
Comments The resolution is not good enough to capture small weather systems and coastal winds.
The model builds on GFS data, so don't use these two to back up each other.
The model is mainly set up for windforecasting, cloud cover and precipitation may not be as accurate.
Technical grib information Grib files written as from center 7.
Initialized from GFS data.
The data is regridded by Gribfiles.com.

 

WRF Northern Europe
Type of model WRF NMM
Geographic area Inside the red box at the frontpage map
Model grid (horizontal, km) 9
Grib file grid (horizontal, deg) 0,075 x 0,075
Timespan (hours) 72
Time step (hours) 1
Available parameters Mean sea level pressure
Wind at 10 m
Temperature at 2 m
Total precipitation (1 hour)
Total cloud cover
Initialization time (UTC) 06:00 and 18:00
Available from server (app, UTC) 00:30 and 12:30
Source of data Frivind AS
Remarks
Use for Local short term forecast
Do not use for
Comments The model is mainly set up for windforecasting, cloud cover and precipitation may not be as accurate.
Technical grib information Grib files written as from center 7.
Initialized from GFS data.
The data is regridded by Gribfiles.com.

 

HIRLAM
Type of model High Resolution Limited Area Model
Geographic area Inside the red box at the frontpage map
Model grid (horizontal, km) 8 km
Grib file grid (horizontal, deg) 0,1x0,1
Timespan (hours) 48
Time step (hours) 3
Available parameters Mean sea level pressure
Wind at 10 m
Temperature at 2 m
Total cloud cover
Total precipitation (3 hour)
Initialization time (UTC) 00:00 and 12:00
Available from server (app, UTC) 05:10 and 17:10
Source of data Norwegian Meteorological Institute (met.no)
Remarks
Use for Local short term forecast
Do not use for
Comments This model often has a underestimation of wind speed over land mases and inshore waters.
Technical grib information Preciptiation is converted to 3 hour ongoing from the previous timestep, this differ from the standard met.no output.

 

WW3 Global alt 1
Type of model Wave Watch 3
Geographic area Inside the red box at the frontpage map
Model grid (horizontal, deg)
Grib file grid (horizontal, deg) 1,00 x 1,25
Timespan (hours) 180
Time step (hours) 3
Available parameters Atmosphere:
Wind at 10 m
Ocean:
Significant wave hight
Peak wave direction
Peak wave period
Initialization time (UTC) 00:00, 06:00, 12:00 and 18:00
Available from server (app, UTC) 04:50, 10:50, 16:50, 22:50
Source of data NCEP - NOAA
Remarks
Use for Wave forecasts for the open ocean
Do not use for Atmospheric forecasts
Wave forecasts for coastal areas
Comments The models low resolution don't capture waves close to shore and waves originating from smaller weather system well.

 

WW3 Global alt 2
Type of model Wave Watch 3
Geographic area Inside the red box at the frontpage map
Model grid (horizontal, deg)
Grib file grid (horizontal, deg) 1 x 1
Timespan (hours) 180
Time step (hours) 6
Available parameters Ocean:
Significant wave hight
Wind wave height (use with caution, see below)
Wind wave period
Wind wave direction
Swell height
Swell period
Swell direction
Initialization time (UTC) 00:00 and 12:00
Available from server (app, UTC) 05:00, 17:00
Source of data FNMOC
Remarks
Use for Wave forecasts for the open ocean
Do not use for Atmospheric forecasts
Wave forecasts for coastal areas
Comments The models low resolution don't capture waves close to shore and waves originating from smaller weather system well.
Caution: The height of wind waves often don't correspond to what you experience at sea, use significant height instead.

 

WW3 Europe
Type of model Wave Watch 3
Geographic area Inside the red box at the frontpage map
Model grid (horizontal, deg)
Grib file grid (horizontal, deg) 0,2 x 0,2
Timespan (hours) 72
Time step (hours) 6
Available parameters Ocean:
Significant wave hight
Peak wave direction
Peak wave period
Initialization time (UTC) 00:00 and 12:00
Available from server (app, UTC) 05:10 and 17:10
Source of data FNMOC
Remarks Data from the USGODAE Project
Use for Wave forecast in the open sea
Do not use for Close to shore wave forecast
Comments

 

RTOFS
Type of model Regional Ocean Forecast System, HYCOM
Geographic area Inside the red box at the frontpage map
Model grid (horizontal, km)
Grib file grid (horizontal, deg) 0,083 x 0,083
Timespan (hours) 144
Time step (hours) 3
Available parameters Surface current
Initialization time (UTC) 00:00
Available from server (app, UTC) 17:00
Source of data NCEP - NOAA
Remarks
Use for Give a brief overview of the ocean system
Do not use for Tidal streams and ocean currents for coastal areas
Comments

 

WRF Central Europe
Type of model WRF NMM
Geographic area Inside the red box at the frontpage map
Model grid (horizontal, km) 9
Grib file grid (horizontal, deg) 0,075 x 0,075
Timespan (hours) 72
Time step (hours) 1
Available parameters Mean sea level pressure
Wind at 10 m
Temperature at 2 m
Total precipitation (1 hour)
Total cloud cover
Initialization time (UTC) 00:00 and 12:00
Available from server (app, UTC) 07:10 and 19:10
Source of data Frivind AS
Remarks
Use for Local short term forecast
Do not use for
Comments WRF Northern Europe works better for the English Channel than this one.
The model is mainly set up for windforecasting, cloud cover and precipitation may not be as accurate.
Technical grib information Grib files written as from center 7.
Initialized from GFS data.
The data is regridded by Gribfiles.com.

 

WRF Canaries
Type of model WRF NMM
Geographic area Inside the red box at the frontpage map
Model grid (horizontal, km) 9
Grib file grid (horizontal, deg) 0,075 x 0,075
Timespan (hours) 72
Time step (hours) 1
Available parameters Mean sea level pressure
Wind at 10 m
Temperature at 2 m
Total precipitation (1 hour)
Total cloud cover
Initialization time (UTC) 06:00 and 18:00
Available from server (app, UTC) 01:15 and 13:15
Source of data Frivind AS
Remarks
Use for Local short term forecast
Do not use for
Comments The model capture the acceleration winds between the island better than many other models, but still expect some more wind than forecasted by the model.
The model is mainly set up for windforecasting, cloud cover and precipitation may not be as accurate.
Technical grib information Grib files written as from center 7.
Initialized from GFS data.
The data is regridded by Gribfiles.com.

 

GFS ensamble
Type of model Global Forecast System
Geographic area Inside the red box at the frontpage map
Model grid (horizontal, deg) 1 x 1
Grib file grid (horizontal, deg) 1 x 1
Timespan (hours) 180
Time step (hours) 6
Available parameters Mean sea level pressure
Wind at 10 m
Hight for 500 mb level
Temperature at 2 m
Initialization time (UTC) 00:00, 06:00, 12:00, 18:00
Available from server (app, UTC) 00:00, 06:00, 12:00, 18:00
Source of data NCEP - NOAA
Remarks  
Use for Longterm outlook.
Do not use for Forecasting.
This models is not recomended for users who don't have skills in ensamble forecasting.
Comments Be careful when using this file, do not use it if you don't have knowledge of ensamble forecasting. The file conatins contains 10 differet model outputs, GFS ensable 0 - 9. Be aware that only a few software systems support ensamble files, if you are not able to see 10 different models, don't use the file!

 

ESEOO
Type of model ESEOO Ocean Forecast system
Geographic area Inside the red box at the frontpage map
Model grid (horizontal, deg) 0,05 x 0,05
Grib file grid (horizontal, deg) 0,05 x 0,05
Timespan (hours) 72
Time step (hours) 1
Available parameters Surface current
Surface temperature
Initialization time (UTC) 00:00
Available from server (app, UTC) 12:00
Source of data Establecimiento de un Sistema EspaŮol de OceanografŪa Operacional / My Ocean project
Remarks Generated using MyOcean Products
Use for Ocean forecasts.
Do not use for Tidal currents close to shore/inshore.
Comments Please be aware that the model don't capture close to shore/inshore tidal currents as good as desired. You still have to use tidal atlases/pilot books for exposed areas of the coast, especially for the French coast.
Technical grib information No center is defined in the grib file.
The data is regridded by Gribfiles.com.

 

NORTH WEST SHELF
Type of model FOAM AMM7
Geographic area Inside the red box at the frontpage map
Model grid (horizontal, km)
Grib file grid (horizontal, deg) 0,067 x 0,11
Timespan (hours) 144
Time step (hours) 1
Available parameters Surface current
Surface temperature
Initialization time (UTC) 00:00
Available from server (app, UTC) 07:30
Source of data My Ocean project
Remarks Generated using MyOcean Products
Use for Ocean forecasts.
Do not use for Tidal currents close to shore/inshore.
Comments Please be aware that the model don't capture close to shore/inshore tidal currents as good as desired. You still have to use tidal atlases/pilot books for exposed areas of the coast.
Technical grib information No center is defined in the grib file.
The data is regridded by Gribfiles.com.

 

BSHC
Type of model DMI-BSHC
Geographic area Inside the red box at the frontpage map
Model grid (horizontal, km)
Grib file grid (horizontal, deg) 0,05 x 0,083
Timespan (hours) 60
Time step (hours) 1
Available parameters Surface current
Surface temperature
Initialization time (UTC) 00:00 and 12:00
Available from server (app, UTC) 05:30 and 17:30
Source of data Danish Meteorological Institute / Myocean project
Remarks Generated using MyOcean Products
Use for Ocean forecasts.
Do not use for Inshore tidal currents.
Comments
Technical grib information No center is defined in the grib file.
The data is regridded by Gribfiles.com.

 

NAM
Type of model WRF NMM
Geographic area Inside the red box at the frontpage map
Model grid (horizontal, km)
Grib file grid (horizontal, deg) 0,15 x 0,15
Timespan (hours) 84
Time step (hours) 3
Available parameters Mean sea level pressure
Wind at 10 m
Temperature at 2 m
Total precipitation (3 hour)
Total cloud cover
Initialization time (UTC) 00:00, 06:00, 12:00, 18:00
Available from server (app, UTC) 03:05, 09:05, 15:05 and 21:05
Source of data NCEP - NOAA
Remarks
Use for Local short term forecast.
Do not use for
Comments
Technical grib information Preciptiation is converted to 3 hour ongoing from the previous timestep
The data is regridded by Gribfiles.com.

 

CMC Regional
Type of model Atmospheric GEM model
Geographic area Inside the red box at the frontpage map
Model grid (horizontal, km) 15 x 15
Grib file grid (horizontal, deg) 0,15 x 0,15
Timespan (hours) 48
Time step (hours) 3
Available parameters Mean sea level pressure
Wind at 10 m
Temperature at 2 m
Total precipitation (3 hour)
Total cloud
Initialization time (UTC) 00:00, 06:00, 12:00 and 18:00
Available from server (app, UTC) 04:15, 10:15, 16:15 and 22:15
Source of data Canadian Meteorological Centre
Remarks "Based on Environment Canada data"
Use for Local short term forecast.
Do not use for
Comments
Technical grib information Preciptiation is converted to 3 hour ongoing from the previous timestep, this differ from the standard CMC output.
The data is regridded by Gribfiles.com.

 

WW3 west Atlantic
Type of model Wave Watch 3
Geographic area Inside the red box at the frontpage map
Model grid (horizontal, deg)
Grib file grid (horizontal, deg) 0,25 x 0,25
Timespan (hours) 126
Time step (hours) 3
Available parameters Atmosphere:
Wind at 10 m
Ocean:
Significant wave hight
Peak wave direction
Peak wave period
Initialization time (UTC) 00:00, 06:00, 12:00 and 18:00
Available from server (app, UTC) 01:00, 07:00, 13:00, 19:00
Source of data NCEP - NOAA
Remarks
Use for Wave forecasts
Do not use for Atmospheric forecasts
Comments

 

WRF Caribbean
Type of model WRF NMM
Geographic area Inside the red box at the frontpage map
Model grid (horizontal, km) 9
Grib file grid (horizontal, deg) 0,075 x 0,075
Timespan (hours) 72
Time step (hours) 1
Available parameters Mean sea level pressure
Wind at 10 m
Temperature at 2 m
Total precipitation (1 hour)
Total cloud cover
Initialization time (UTC) 06:00 and 18:00
Available from server (app, UTC) 01:45 and 13:45
Source of data Frivind AS
Remarks
Use for Local short term forecast
Do not use for
Comments The model is mainly set up for windforecasting, cloud cover and precipitation may not be as accurate.
Technical grib information Grib files written as from center 7.
Initialized from GFS data.
The data is regridded by Gribfiles.com.

Offline version

 

Receiving grib files at sea is often limited by small bandwidths over systems like Iridium, Inmarsat or GSM/GPRS.
To reduce the data transfer and costs, you will find a offline version of Gribfiles.com.
This version is stored locally at your computer, so the only thing you need to download from sea is the gribfiles of your choice*.

How to install the offline version:

There is an fully autmated install available for Windows users
Download the file (executable), requires a valid subscription.
Start the installation.
Use it! Shortcut available at your desktop and start menu.

Current offline version: 1.2
Intended for use in all versions of windows operative systems, Linux or Mac users may contact us for a custom made solution.
You need an active subscription to download the offline version, please log in or signup and then refresh browser.

Warning
Your local offline version will not be updated when new models are added/removed from the service.
- Because of this we recommend all users to use the online version when possible and update their offline version regularly.

*In addition to the grib files you will also need to transfer some login data and important news for the service, but these are small in size compared to the grib files.

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About

 

Gribfiles.com is a service from Frivind AS, a company specialized in maritime meteorology and oceanography.
This is our service for automatic downloading of gribfiles, and are powerful tool for receiving a wide specter of numerical data.

Feel free to contact us if you have questions about any of our services.

F.A.Q

 

If you have some questions about the service you may find the answer here. If not, feel free to contact.

What kind of data are available at this site?
This site is selling grib files. A grib file is meteorological and oceanographical data that can be viewed in different types of navigation software.
No grib viewers are available at this site, you will need a external viewer to take advantage of the files.
In additon you also have the possiblity to view the forecasts online as image files.

The benefits of a grib file?
A grib file will gives you detailed information about wind speed and direction, precipitation, cloud cover, waves, ocean currents and more.
Our models has resolutions down to 9 km who can give good forecast for coastal areas.

The disadvantages of a grib file?
grib files are only a numerical product and the different model runs are not verified.
From time to time the grib files will give a wrong forecast. In some situations the conditions may be significantly different than the files show.
grib files shall only be used as a supplement to forecasts from official sources (such as GMDSS, text/radio forecasts from meteorological centers),
never as a replacement. Critical decisions shall never be taken at the basis of information from this service.
Please use the files with caution.

Do I need some sort of software to display the files?
Grib files contain raw data from a model, and you will need a grib viewer to display the grib files.
Many modern navigation software systems has the opportunity to display grib files,
in addition there's a lot off different stand alone viewers at the marked.
Some software programs: Maxsea, Expedition, Ray-tech, Seapro, Ballgate, PolarView (also for Mac and Linux).
Please be aware that not all programs support the grib standard used at this site.

Why pay for grib files when I can get them free from other sources?
Almost all sources for free grib files available at the web come from the same models. This is the GFS for atmospheric conditions, and WW3 for wave data.
Both models has a low resolution who don't capture local furthers and coastal conditions well.
By using files from gribfiles.com you are able to get more detailed forecast with higher resolution for many areas.
In addition you also have the possibility to use more than one model for an area to get a overview of the models uncertainty.

Why all these models, isn't one model enough?
All models have their strong and weak sides.
Some models are good for coastal areas, and some are good for ocean passages.
Inn addition you shall always use at least two different models for the same area to get a overview of the models uncertainty.

Is there a special model I shall use for my area?
Always use at least two different models for your area.
In many cases, the models with the highest resolution will give you the best forecast.