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Great Lakes Forecast
Issued by NWS
Issued by NWS
049 FZUS63 KDTX 151400 GLFLH Open Lake Forecast for Lake Huron National Weather Service Detroit/Pontiac MI 1000 AM EDT Thu Aug 15 2024 For waters beyond five nautical miles off shore on Lake Huron Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. .SYNOPSIS...A low pressure system, 29.60 inches, moves across the Upper Midwest this evening and into Friday bringing a slight uptick in winds. A secondary low along an occluded front will cross southern Lower Michigan and track into the central Great Lakes Friday bring showers tonight before a transition to more widespread showers and thunderstorms occurs Friday. Storms may persist into Friday night before the next frontal boundary sags south across Lake Huron Saturday allowing unsettled weather to persist. LHZ361>363-152200- Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt beyond 5 NM off shore- Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM off shore- Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore- 1000 AM EDT Thu Aug 15 2024 .REST OF TODAY...Southeast winds 5 to 10 knots becoming east 10 to 15 knots late in the afternoon. Waves 2 feet or less. .TONIGHT...Southeast winds 10 to 15 knots. A chance of showers. Waves 1 to 3 feet building to 2 to 4 feet early in the morning. .FRIDAY...Southeast winds 15 to 20 knots decreasing to 10 to 15 knots early in the afternoon. Showers in the morning...then showers and a chance of thunderstorms in the afternoon. Waves 3 to 5 feet. .FRIDAY NIGHT...Southeast winds 10 to 15 knots decreasing to 5 to 10 knots in the late evening and overnight. Showers likely and a chance of thunderstorms. Waves 3 to 5 feet subsiding to 1 to 3 feet after midnight. .SATURDAY...Southeast winds 5 to 10 knots. A chance of showers and thunderstorms in the morning...then a chance of showers. Waves 1 to 3 feet. .SUNDAY...North winds 10 to 15 knots. A chance of showers early in the morning. Waves 1 to 3 feet building to 2 to 4 feet. .MONDAY...North winds 15 to 20 knots decreasing to 10 to 15 knots until early morning. Waves 3 to 5 feet. $$ LHZ462>464-152200- Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore- Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore- Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore- 1000 AM EDT Thu Aug 15 2024 .REST OF TODAY...Southeast winds 5 to 10 knots. Waves 2 feet or less. .TONIGHT...Southeast winds 5 to 10 knots increasing to 10 to 15 knots after midnight. A chance of showers. Waves 1 to 3 feet. .FRIDAY...Southeast winds 10 to 15 knots. A chance of showers in the morning...then showers likely and a chance of thunderstorms in the afternoon. Waves 2 to 4 feet. .FRIDAY NIGHT...South winds 10 to 15 knots decreasing to 5 to 10 knots after midnight. Showers likely and a chance of thunderstorms. Waves 1 to 3 feet. .SATURDAY...South winds 5 to 10 knots. Showers likely. A chance of thunderstorms. A chance of showers late in the afternoon. Waves 2 feet or less. .SUNDAY...North winds 10 to 15 knots. A chance of showers and thunderstorms early in the morning. Waves 1 to 3 feet building to 3 to 5 feet. .MONDAY...North winds 15 to 20 knots decreasing to 10 to 15 knots in the late evening and early morning. Waves 3 to 5 feet. $$ LHZ461-152200- MAFOR 1515/ HURON NORTH 11400 12300 13310 11410 11326. Waves 2 feet or less this afternoon. Waves 1 to 3 feet tonight. Waves 2 to 4 feet Friday morning. HURON SOUTH 11400 14300 12410 11316. Waves 2 feet or less this afternoon and tonight. Waves 1 to 3 feet Friday morning. $$ KGK Experimental modernized open lake forecast is available online at weather.gov/dtx/glftable (all lower case) Graphical marine forecasts are available online at weather.gov/greatlakes (all lower case)