


Great Lakes Forecast
Issued by NWS
Issued by NWS
085 FZUS63 KDTX 161402 GLFLH Open Lake Forecast for Lake Huron National Weather Service Detroit/Pontiac MI Issued by National Weather Service Grand Rapids MI 1002 AM EDT Thu Oct 16 2025 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...High pressure, 30.20 inches, will center over the Great Lakes this morning, bringing light winds and dry weather. High pressure will then wash out across New England tomorrow as a low pressure system strengthens and moves into western Ontario. This will push a warm front across the Great Lakes, veering winds to the south, with wind speeds increasing in the wake of the front. LHZ361>363-162215- 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- 1002 AM EDT Thu Oct 16 2025 .REST OF TODAY...North winds 5 to 10 knots late in the morning becoming light and variable. Waves 2 feet or less. .TONIGHT...Light and variable winds becoming southeast 5 to 10 knots after midnight. A chance of showers. Waves 2 feet or less. .FRIDAY...South winds 10 to 15 knots increasing to 20 to 25 knots with gusts to around 30 knots. Showers in the morning...then a chance of showers in the afternoon. Waves 1 to 3 feet building to 5 to 7 feet. Waves occasionally around 10 feet. .FRIDAY NIGHT...South winds 20 to 25 knots with gusts to around 30 knots. A chance of showers. Waves 5 to 7 feet. Waves occasionally around 10 feet. .SATURDAY...South winds 20 to 25 knots decreasing to 10 to 15 knots. Showers likely. Rain showers late in the afternoon. A chance of thunderstorms late in the evening. Waves 6 to 9 feet. Waves occasionally around 12 feet. .SUNDAY...South winds 10 to 15 knots becoming east 20 to 25 knots with gusts to around 30 knots in the late morning and early afternoon...then becoming south to 30 knots with gusts to 35 knot gales early in the evening veering to the west in the late evening and early morning. A chance of thunderstorms early in the morning. Rain showers...then showers likely in the late evening and early morning. Waves 6 to 9 feet. Waves occasionally around 11 feet. .MONDAY...West winds 20 to 25 knots with gusts to around 30 knots decreasing to 10 to 15 knots. A chance of showers early in the morning. Waves 5 to 7 feet. Waves occasionally around 10 feet. $$ LHZ462>464-162215- Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore- Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore- Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore- 1002 AM EDT Thu Oct 16 2025 .REST OF TODAY...North winds 5 to 10 knots. Waves 1 to 3 feet. .TONIGHT...North winds 5 to 10 knots early in the evening becoming light and variable...then becoming southeast 5 to 10 knots early in the morning. Waves 2 feet or less. .FRIDAY...South winds 5 to 10 knots increasing to 15 to 20 knots. Showers likely in the morning...then a chance of showers in the afternoon. Waves 2 feet or less building to 2 to 4 feet early in the afternoon. .FRIDAY NIGHT...South winds 15 to 20 knots increasing to 20 to 25 knots after midnight. A chance of showers. Waves 3 to 5 feet. .SATURDAY...South winds 20 to 25 knots decreasing to 10 to 15 knots. Showers likely...then showers and a chance of thunderstorms late in the afternoon. Waves 5 to 7 feet. Waves occasionally around 10 feet. .SUNDAY...South winds 15 to 20 knots increasing to 20 to 25 knots with gusts to around 30 knots in the late morning and early afternoon...then increasing to 30 knots with gusts to 35 knot gales early in the evening veering to the west in the late evening and early morning. A chance of thunderstorms early in the morning. Rain showers...then a chance of showers in the late evening and early morning. Waves 6 to 9 feet. Waves occasionally around 12 feet. .MONDAY...West winds 20 to 25 knots with gusts to around 30 knots decreasing to 15 to 20 knots until early morning. A chance of showers until afternoon. Waves 6 to 9 feet subsiding to 3 to 5 feet in the late evening and early morning. Waves occasionally around 12 feet. $$ LHZ461-162215- MAFOR 1615/ HURON NORTH 11800 12700 11500 11400 12406 11416. Waves 2 feet or less. HURON SOUTH 13800 11100 11300 12400 11416. Waves 2 feet or less. $$ Thomas 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)