Great Lakes Forecast
Issued by NWS
Issued by NWS
567 FZUS63 KDTX 201445 GLFLH Open Lake Forecast for Lake Huron National Weather Service Detroit/Pontiac MI 945 AM EST Thu Nov 20 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...A weak cold front, 29.90 inches, tracks across the region tonight, supporting moderate preceding southwest winds and renewed colder west-northwest winds following. High pressure, 30.10 inches, then slides across the central Great Lakes to close out the week. LHZ361-202245- Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt beyond 5 NM off shore- 945 AM EST Thu Nov 20 2025 .REST OF TODAY...South winds 10 to 15 knots. Areas of drizzle late in the morning. A chance of rain and snow late in the morning...then a chance of rain in the afternoon. Waves 1 to 3 feet. .TONIGHT...Southwest winds 10 to 15 knots veering to the west early in the morning. Rain likely. Waves 2 to 4 feet. .FRIDAY...West winds 10 to 15 knots increasing to 15 to 20 knots in the late morning and afternoon. Waves 3 to 5 feet. .FRIDAY NIGHT...Northwest winds 15 to 20 knots decreasing to 5 to 10 knots. Waves 3 to 5 feet subsiding to 1 to 3 feet after midnight. .SATURDAY...Northwest winds 5 to 10 knots backing to the southwest late in the afternoon...then increasing to 10 to 15 knots late in the evening. A chance of rain late in the afternoon. Waves 2 feet or less. .SUNDAY...Southwest winds 10 to 15 knots veering to the west until early morning. Waves 2 to 4 feet. .MONDAY...West winds 10 to 15 knots becoming south 5 to 10 knots until early morning. A chance of. Waves 1 to 3 feet. $$ LHZ362-363-202245- Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM off shore- Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore- 945 AM EST Thu Nov 20 2025 .REST OF TODAY...South winds 10 to 20 knots. Patchy drizzle late in the morning. Waves 1 to 3 feet building to 2 to 4 feet in the afternoon. .TONIGHT...Southwest winds 15 to 20 knots decreasing to 10 to 15 knots early in the morning. A chance of rain in the evening. Waves 3 to 5 feet. .FRIDAY...West winds 10 to 15 knots increasing to 15 to 20 knots in the late morning and afternoon. Waves 4 to 6 feet. Waves occasionally around 8 feet. .FRIDAY NIGHT...Northwest winds 15 to 20 knots decreasing to 10 to 15 knots after midnight. Waves 4 to 6 feet. Waves occasionally around 8 feet. .SATURDAY...Northwest winds 5 to 10 knots backing to the southwest late in the afternoon...then increasing to 10 to 15 knots late in the evening. Waves 2 to 4 feet subsiding to 1 to 3 feet late in the morning...then building to 3 to 5 feet late in the evening. .SUNDAY...Southwest winds 15 to 20 knots veering to the west early in the evening...then decreasing to 10 to 15 knots in the late evening and early morning. Waves 3 to 5 feet. .MONDAY...West winds 10 to 15 knots backing to the south until early morning. A chance of. Waves 2 to 4 feet subsiding to 1 to 3 feet. $$ LHZ462>464-202245- 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- 945 AM EST Thu Nov 20 2025 .REST OF TODAY...South winds 5 to 10 knots increasing to 10 to 15 knots in the afternoon. Patchy drizzle late in the morning. Waves 1 to 3 feet. .TONIGHT...Southwest winds 10 to 15 knots. A chance of rain. Waves 2 to 4 feet. .FRIDAY...West winds 10 to 15 knots. A chance of rain in the morning. Waves 2 to 4 feet. .FRIDAY NIGHT...Northwest winds 10 to 15 knots. Waves 3 to 5 feet. .SATURDAY...North winds 10 to 15 knots becoming northwest 5 to 10 knots late in the morning...then backing to the southwest late in the afternoon increasing to 10 to 15 knots late in the evening. Waves 2 to 4 feet subsiding to 1 to 3 feet. .SUNDAY...Southwest winds 15 to 20 knots becoming west 10 to 15 knots until early morning. Waves 3 to 5 feet. .MONDAY...West winds 10 to 15 knots backing to the south until early morning. A chance of. Waves 2 to 4 feet subsiding to 1 to 3 feet. $$ LHZ461-202245- MAFOR 2016/ HURON NORTH 12510 11516 11526 11516 12610 11620. Waves 2 to 4 feet. HURON SOUTH 12510 11410 13510 12610. Patchy drizzle late this morning. A chance of rain tonight. Waves 2 feet or less this afternoon. Waves 2 to 4 feet tonight and Friday morning. $$ SF 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)