Great Lakes Forecast
Issued by NWS
Issued by NWS
697 FZUS63 KDTX 191435 GLFLH Open Lake Forecast for Lake Huron National Weather Service Detroit/Pontiac MI Issued by National Weather Service Grand Rapids MI 935 AM EST Wed Nov 19 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 over Lake Huron today, 30.25 inches, is ensuring dry conditions and light winds. As high pressure moves east, winds will become more uniformly from the south-southwest Thursday morning. A weak cold front tracks across the region Thursday night, supporting increasing rain chances. LHZ361-192245- Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt beyond 5 NM off shore- 935 AM EST Wed Nov 19 2025 .REST OF TODAY...West winds 5 to 10 knots early in the morning becoming light and variable. Waves 2 feet or less. .TONIGHT...Light and variable winds becoming southwest 5 to 10 knots in the late evening and overnight. Waves 2 feet or less. .THURSDAY...South winds 5 to 10 knots increasing to 10 to 15 knots early in the afternoon. A chance of rain in the afternoon. Waves 1 to 3 feet. .THURSDAY NIGHT...Southwest winds 10 to 15 knots increasing to 15 to 20 knots in the late evening and early morning...then becoming west 10 to 15 knots after midnight. Rain likely. Waves 2 to 4 feet. .FRIDAY...West winds 10 to 15 knots increasing to 15 to 20 knots late in the morning...then becoming northwest 10 to 15 knots late in the afternoon decreasing to 5 to 10 knots late in the evening. Waves 3 to 5 feet subsiding to 1 to 3 feet late in the evening. .SATURDAY...Northwest winds 5 to 10 knots backing to the south. Waves 2 feet or less. .SUNDAY...Southwest winds 10 to 15 knots veering to the west early in the evening...then decreasing to 5 to 10 knots in the late evening and early morning. Waves 1 to 3 feet. $$ LHZ362-363-192245- Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM off shore- Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore- 935 AM EST Wed Nov 19 2025 .REST OF TODAY...North winds 5 to 10 knots early in the morning becoming light and variable. Waves 2 feet or less. .TONIGHT...Light and variable winds becoming southwest 5 to 10 knots in the late evening and overnight. Waves 2 feet or less. .THURSDAY...Southwest winds 5 to 10 knots becoming south 15 to 20 knots. Waves 1 to 3 feet building to 2 to 4 feet in the late morning and afternoon. .THURSDAY NIGHT...Southwest winds 15 to 20 knots. A chance of rain in the evening. Waves 3 to 5 feet. .FRIDAY...West winds 15 to 20 knots becoming northwest 10 to 15 knots. Waves 3 to 5 feet. .SATURDAY...North winds 5 to 10 knots backing to the south early in the evening...then increasing to 10 to 15 knots in the late evening and early morning. Waves 1 to 3 feet. .SUNDAY...Southwest winds 10 to 15 knots veering to the west in the late evening and early morning. Waves 2 to 4 feet. $$ LHZ462>464-192245- 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- 935 AM EST Wed Nov 19 2025 .REST OF TODAY...North winds 5 to 10 knots early in the morning becoming light and variable. Waves 2 feet or less. .TONIGHT...Light and variable winds becoming south 5 to 10 knots after midnight. Waves 2 feet or less. .THURSDAY...South winds 5 to 10 knots increasing to 10 to 15 knots in the late morning and afternoon. Waves 1 to 3 feet. .THURSDAY NIGHT...Southwest winds 10 to 15 knots. A chance of rain. Waves 2 to 4 feet. .FRIDAY...West winds 10 to 15 knots veering to the northwest late in the evening. Waves 2 to 4 feet. .SATURDAY...North winds 5 to 10 knots backing to the south in the late evening and early morning. Waves 1 to 3 feet. .SUNDAY...Southwest winds 10 to 15 knots veering to the west in the late evening and early morning. Waves 1 to 3 feet. $$ LHZ461-192245- MAFOR 1916/ HURON NORTH 11700 11600 14500 11500 11510. Waves 2 feet or less. HURON SOUTH 12700 11600 14500 11500. Waves 2 feet or less. $$ CAS 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)