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GRIB and other Objective Forecasts:)

About this page

A list of many GRIB and similar services, whether received by email, FTP (File Transfer Protocol) directly downloading to a PC or tablet or on a web browser.

This page will help users to decide which is best for them. I am trying to keep up to date with the many services that are becoming available and the page will never be up to date, but it will be a start for many,


Related pages


List of Services

This is a listing of GRIB and similar services. Most large area forecasts are taken directly from the US NOAA GFS (Global Forecast System.) Alternatives are the CMC GEM (Canadian Global Environmental Model) and the US Navy NAVGEM. The GFS provides GRIB data grid of 0.25 degrees latitude/longitude. Others may only give data on a 0.5 degree grid. Some viewers interpolate to finer grids.

Forecasts on finer scales are referred to as “Meso-scale” or “Limited area.” These include:

  • COAMPS – a US Navy weather model. Resolution about12 km.
  • WRF – a US Weather Research and Forecast Model used by several "non-official" groups, Usually about 12 km WRF is a successor to the ETA model.
  • Skiron is a University of Athens model based on the ETA but using a 0.5 degree (~5 km) grid
  • HIRLAM – used by several European countries. Resolution down to about 2 km.
  • UK UM is the UK operational global model. This used a grid of about 17 km. It is not freely available.
  • UK4 covers from mid-Atlantic to the Urals on a 4 km grid. UKV, a British Isles 1.5 km model.
  • ALADDIN. A Météo France model
  • ARPEGE. A Météo France global model
  • AROME. A Météo France limited area model
  • ECMWF (European Centre for Medium-range Weather Forecasts,) which runs a global model on a grid of about 15 km (0.125 degrees). These data are not freely available.


Service

Free?

Notes

Models

Email GRIB services

Elsewhere on this site general GRIB information and GRIB viewers

Saildocs

Y

Very flexible, many elements. Repeat request facility. Needs careful formatting.

GFS
COAMPS

MailASail

Y

Easier to use but less facilities.

GFS

Open Skironl

Y

Mediterranean only. Preselectedareas and parameters

Skiron 5 km

File Transfer Protocol – direct download to a PC

Windyty

Y

A global view of the GFS. Not very useful for sailing decisions but a great way to view large scale weather.

GFS

zyGrib

Y

Many elements.

GFS

YR.NO

Y

Norwegian Met service Meso-scale. Limited Europeans areas.

HIRLAM

MétéoConsult
See NOTE below

Y

Wind only. Eastern N America/Europe only. Meso-scale over Europe. Three days only

GFS
Probably WRF

Gribfiles.com

N

Several global and meso-scale .models

HIRLAM, COAMPS, WRF

MovingWeather

N

Many elements

GFS

Chartplotters

B&G Deckman

Y

Several elements,

GFS

Maxsea

Y

Several elements,

GFS

File Transfer Protocol – direct download to a Tablet

MeteoEarth

Y

Global view with zoom facilities. Good for overall view, not useful for most sailing decisions.

ECMWF

WeatherTrack

Y

Many elements, several wave models. Many extra “non-GRIB” facilities. Currents as optional extra.

GFS
COAMPS

Weather4D

Y

Many elements, Optional email facility

GFS

PocaketGrib

Y

Many elements, Good chart projections

GFS
COAMPS

iGrib

Y

Fairly basic. Most intuitive. Good chart display

GFS

mobileGRIB

Y

Many elements,

SailGrib

Y

Many elements including currents. Two day version is free. Also Weather routing.

iNavX

Y

This navigation app generates an email request to Sildocs. Display either on navigation chart or using a GRIB App.

GFS

WindFindeer
See NOTE below

Y

Several elements, Limited area forecasts not ,not everywhere in Europe

WRF

UK Met Office

Y

Few elements, Mainly UK mainland. Not very useful for sailing.

UKV

Browser services for preselected areas

Resolution 10 – 25 km

MétéoFrance
vi Meteociel.fr

Y

Atlantic/Europe. Many eements Four days only

ARPEGE

PasssageWeather

Y

Several elements,

GFS
COANPS
WRF

XCWeather

Y

Few elements, Areas not particularly useful for sailing. Good source of actual. Limited coverage

GFS

WeatherOnline

Y

Many elements,

Several

Turk-Marine Weatherwise

Y

Few elements, Mediterranean and Black Sea. And meteograms

WRF 13.5 km grid. Uses ECMWF 0.125 degree data input

Earth Wind

Y

Global view with zoom facility. Good for overall view. Not very useful for sailing purposes

GFS

Iceland

Y

Wind and pressure only

GFS?

UK

Y

Several elements. 10km res.

KNMI HIRLAM, via Meteociel.fr

Germany – S Baltic

Spain – Western Med

Italy – Central Med.

Browser Services, mainly Limited area models < 10km res., 3-days

National Weather Services

Norway

Y

Several elements, sea state and currents/

HIRLAM

Denmark

Y

Wind, sea state, temperature.

Denmark (English)

Y

Wind, sea state, temperature. Currents

Sweden

Y

Few elements

Finland

Y

Wind only

Estonia

Y

Wind, rain, temperature.

Poland

Y

Many elements

UK 4km. COAMPS

France via Meteociel.fr

Y

Many elements

AROME

Spain or
Spain is easier to use.

Y

Wind and sea state

HIRLAM

LaMMA, Tuscany)

Y

Wind and sea state

WRF

Croatia

Y

Wind and sea state

Akaddin

Greece

Y

Wind and sea state

??

Other services of limited area forecasts

Poseidon

Y

As far as is known, none of these models starts with a detailed analysis on the grid used.

See NOTE below

WRF

Athens University

Y

Theyr.com]

N

??

Theyr.tv,

N

??

Predictwind.com,

N

A CSIRO model

Clearpointweather.com,

N

??


NOTE

Limited area/meso-scale forecasts

National weather service limited area models start with detailed data analyses to produce detailed short period forecasts. This requires access to and the ability to process masses of data from space and terrestrial based observing systems. As far as I am aware, no other producer of Numerical Weather Prediction Model output (GRIBs) has the ability to do so. Although their models can handle topographic effects well their forecasts will suffer by lack of detailed meteorological data.


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