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- (NSH) - National Weather Service seasonal marine forecasts for an areas of the Great Lakes extending from a line approximating mean low water datum along the coast or an island, including bays, harbors, and sounds, out to 5 nm. These forecasts are normally issued from Daylight Savings Time ~April 7 through December 31, though the dates may be shortened or extended based on local/regional requirements.
NOAA National Weather Service - Cite This Source - This Definition
- GLF, GLS, Great Lakes Faxback, Great Lakes Marine Forecast (MAFOR), Great Lakes Storm Summary, Great Lakes Weather Broadcast, LAWEB, MAFOR, National Weather and Crop Summary, Open Lakes Forecast, Wind Waves