


Great Lakes Forecast
Issued by NWS
Issued by NWS
294 FZUS63 KDTX 040721 GLFLH Open Lake Forecast for Lake Huron National Weather Service Detroit/Pontiac MI 321 AM EDT Sat Oct 4 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...Dry conditions prevail this weekend, accompanied by prolonged south- southwest winds, mostly under 20 knots. Some elevated gust potential around 25 knots will be possible across Lake Huron late Sunday into Monday as low pressure arrives over the James Bay. LHZ361-041530- Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt beyond 5 NM off shore- 321 AM EDT Sat Oct 4 2025 .TODAY...Southeast winds 5 to 10 knots. Waves 2 feet or less. .TONIGHT...Southeast winds 5 to 10 knots veering to the south after midnight...then increasing to 10 to 15 knots early in the morning. Waves 1 to 3 feet. .SUNDAY...South winds 10 to 15 knots. Waves 1 to 3 feet building to 3 to 5 feet early in the afternoon. .SUNDAY NIGHT...South winds 10 to 15 knots increasing to 15 to 20 knots after midnight. Waves 3 to 5 feet. .MONDAY...South winds 10 to 15 knots veering to the west late in the morning...then becoming northwest 5 to 10 knots late in the afternoon. A chance of showers in the morning. Rain showers likely. Waves 3 to 5 feet subsiding to 1 to 3 feet late in the afternoon. .TUESDAY...Northwest winds 5 to 10 knots becoming west 10 to 15 knots with gusts to around 30 knots in the late morning and early afternoon...then becoming northwest 20 to 25 knots with gusts to 35 knot gales early in the evening decreasing to 15 to 20 knots with gusts to around 30 knots in the late evening and early morning. A chance of showers early in the morning. Waves 2 feet or less building to 4 to 6 feet. Waves occasionally around 8 feet. .WEDNESDAY...North winds 5 to 10 knots until afternoon becoming light and variable...then becoming north 5 to 10 knots in the late evening and early morning. Waves 2 to 4 feet subsiding to 2 feet or less. $$ LHZ362-363-041530- Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM off shore- Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore- 321 AM EDT Sat Oct 4 2025 .TODAY...South winds 5 to 10 knots increasing to 10 to 15 knots in the afternoon. Waves 1 to 3 feet. .TONIGHT...South winds 10 to 15 knots. Waves 2 to 4 feet. .SUNDAY...South winds 10 to 15 knots. Waves 3 to 5 feet. .SUNDAY NIGHT...South winds 15 to 20 knots. Waves 4 to 6 feet. .MONDAY...South winds 15 to 20 knots becoming southwest 10 to 15 knots late in the morning...then becoming northwest 5 to 10 knots late in the afternoon. A chance of showers late in the morning. Rain showers late in the afternoon. Waves 3 to 5 feet subsiding to 1 to 3 feet late in the evening. Waves occasionally around 8 feet. .TUESDAY...Northwest winds 10 to 15 knots increasing to 20 to 25 knots with gusts to around 30 knots until early morning. Showers early in the morning...then a chance of showers in the late morning and early afternoon. Waves 2 feet or less building to 5 to 7 feet. Waves occasionally around 10 feet. .WEDNESDAY...North winds 15 to 20 knots decreasing to 5 to 10 knots. Waves 3 to 5 feet subsiding to 1 to 3 feet in the late evening and early morning. $$ LHZ462>464-041530- 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- 321 AM EDT Sat Oct 4 2025 .TODAY...South winds 5 to 10 knots increasing to 10 to 15 knots late in the afternoon. Waves 2 feet or less. .TONIGHT...South winds 10 to 15 knots. Waves 1 to 3 feet. .SUNDAY...South winds 10 to 15 knots. Waves 1 to 3 feet building to 2 to 4 feet early in the afternoon. .SUNDAY NIGHT...South winds 15 to 20 knots decreasing to 10 to 15 knots after midnight. Waves 3 to 5 feet. .MONDAY...South winds 10 to 15 knots. A chance of showers late in the morning. Rain showers likely late in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet late in the afternoon. .TUESDAY...Northwest winds 10 to 15 knots becoming north 20 to 25 knots. Showers early in the morning. A chance of showers until early evening. Waves 1 to 3 feet building to 5 to 7 feet. Waves occasionally around 10 feet. .WEDNESDAY...North winds 15 to 20 knots decreasing to 10 to 15 knots. Waves 4 to 6 feet. Waves occasionally around 8 feet. $$ LHZ461-041530- MAFOR 0409/ HURON NORTH 13400 14410 11410. Waves 1 to 3 feet. HURON SOUTH 11500 13400 14410. Waves 1 to 3 feet. $$ MV 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)