


Great Lakes Forecast
Issued by NWS
Issued by NWS
347 FZUS63 KDTX 041932 GLFLH Open Lake Forecast for Lake Huron National Weather Service Detroit/Pontiac MI 332 PM 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...A series of low pressure systems that are traveling from the Plains into the James Bay this weekend will continue to support south to southwest flow this weekend. The next likely chance for active weather will enter Monday into Tuesday morning when a strong cold front crosses the Great Lakes. Wind direction backs from southwest to north after the passage of the front. LHZ361-050345- Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt beyond 5 NM off shore- 332 PM EDT Sat Oct 4 2025 .TONIGHT...Southeast winds 5 to 10 knots veering to the south in the late evening and early morning...then increasing to 10 to 15 knots early in the morning. Waves 1 to 3 feet. .SUNDAY...South winds 10 to 15 knots decreasing to 5 to 10 knots in the afternoon. Waves 1 to 3 feet building to 3 to 5 feet late 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 in the late morning and early afternoon...then becoming northwest 5 to 10 knots early in the afternoon. A chance of showers in the morning...then showers likely in the afternoon. Waves 3 to 5 feet subsiding to 1 to 3 feet early in the afternoon. .MONDAY NIGHT...Northwest winds 5 to 10 knots. Showers likely. Waves 1 to 3 feet. .TUESDAY...Northwest winds 5 to 10 knots becoming west 15 to 20 knots with gusts to around 30 knots late in the morning...then becoming northwest 20 to 25 knots with gusts to 35 knot gales late in the afternoon decreasing to 10 to 15 knots late in the evening. Waves 2 feet or less building to 4 to 6 feet. Waves occasionally around 8 feet. .WEDNESDAY...North winds 5 to 10 knots early in the morning becoming light and variable...then becoming north 5 to 10 knots in the late evening and early morning. Waves 1 to 3 feet. .THURSDAY...South winds 5 to 10 knots increasing to 10 to 15 knots until early morning. Waves 2 feet or less. $$ LHZ362-363-050345- Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM off shore- Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore- 332 PM EDT Sat Oct 4 2025 .TONIGHT...South winds 10 to 15 knots. Waves 2 to 4 feet. .SUNDAY...South winds 10 to 15 knots. Waves 3 to 5 feet. .SUNDAY NIGHT...South winds 10 to 15 knots increasing to 15 to 20 knots in the late evening and overnight. Waves 4 to 6 feet. .MONDAY...Southwest winds 15 to 20 knots becoming south 10 to 15 knots early in the afternoon. A chance of showers in the afternoon. Waves 4 to 6 feet. Waves occasionally around 8 feet. .MONDAY NIGHT...West winds 5 to 10 knots becoming northwest 10 to 15 knots after midnight. Showers. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .TUESDAY...Northwest winds 10 to 15 knots increasing to 20 to 25 knots with gusts to around 30 knots late in the afternoon... then decreasing to 15 to 20 knots late in the evening. A chance of showers. Waves 1 to 3 feet building to 5 to 7 feet. Waves occasionally around 10 feet. .WEDNESDAY...North winds 10 to 15 knots decreasing to 5 to 10 knots until early morning. Waves 4 to 6 feet subsiding to 1 to 3 feet until early morning. Waves occasionally around 8 feet. .THURSDAY...East winds 5 to 10 knots veering to the south in the late morning and early afternoon...then increasing to 10 to 15 knots until early morning. Waves 1 to 3 feet. $$ LHZ462>464-050345- 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- 332 PM EDT Sat Oct 4 2025 .TONIGHT...South winds 10 to 15 knots. Waves 1 to 3 feet. .SUNDAY...South winds 10 to 15 knots decreasing to 5 to 10 knots late in the morning...then increasing to 10 to 15 knots in the afternoon. Waves 1 to 3 feet. .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 in the afternoon. Waves 2 to 4 feet. .MONDAY NIGHT...South winds 10 to 15 knots becoming southwest 5 to 10 knots in the late evening and early morning...then increasing to 10 to 15 knots after midnight. Showers likely. Waves 1 to 3 feet. .TUESDAY...Northwest winds 10 to 15 knots becoming north 20 to 25 knots. Showers in the morning...then a chance of showers late in the morning. Waves 2 to 4 feet building to 6 to 9 feet. Waves occasionally around 12 feet. .WEDNESDAY...North winds 15 to 20 knots becoming northeast 5 to 10 knots. Waves 4 to 6 feet. Waves occasionally around 8 feet. .THURSDAY...Southeast winds 5 to 10 knots becoming south 10 to 15 knots in the late evening and early morning. Waves 1 to 3 feet. $$ LHZ461-050345- MAFOR 0421/ HURON NORTH 13410 11400 14410. Waves 2 to 4 feet. HURON SOUTH 14410 11410 12400 11410. Waves 1 to 3 feet. $$ AM 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)