GRIB Model

WW3 - Great Lakes Wave

Provider:National Centers for Environmental Prediction, NOAA (USA)
Model scope:North American Great Lakes
Update frequency:every 6 hours
Resolution:1.3nm, 2.5km
Model duration:29 forecasts starting at 0 hr, ending at 6 days
Parameters:wind, wind wave, swell, swell/wave combined
GRIB model date:Sun May 26 13:00:00 2024 UTC
Download date:Sun May 26 13:35:57 2024 UTC
Download delay:0hr 35min

Note: the Download delay is the amount of time required for the GRIB model to compute its forecast and then for the LuckGrib cluster to download the data and make it available. The LuckGrib delay is generally less than 10 minutes, the remainder of the delay is the model compute time.


The Great Lakes WW3 wave model is a high resolution model, generating wave information, including wind waves, primary wave and even swell.

For a little more information, see this link.

For a note on the wind level, see this link.

Global Models

Large Regional

North America




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