


Great Lakes Forecast
Issued by NWS
Issued by NWS
166 FZUS63 KDTX 050751 GLFLH Open Lake Forecast for Lake Huron National Weather Service Detroit/Pontiac MI 351 AM EDT Sat Jul 5 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...Low pressure, 29.70 inches, slides across the northern Great Lakes this weekend. Its attendant cold front sinks across the central Great Lakes late Saturday night through Sunday offering scattered thunderstorm chances. A few storms could linger over the southern Great Lakes Monday before high pressure builds in. LHZ361-051600- Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt beyond 5 NM off shore- 351 AM EDT Sat Jul 5 2025 .TODAY...South winds 5 to 10 knots increasing to 10 to 15 knots late in the morning...then decreasing to 5 to 10 knots in the afternoon. Waves 1 to 3 feet. .TONIGHT...South winds 5 to 10 knots becoming southwest 10 to 15 knots after midnight. Showers likely and a chance of thunderstorms after midnight. Waves 2 to 4 feet. .SUNDAY...Southwest winds 10 to 15 knots becoming west 5 to 10 knots in the late morning and afternoon. A chance of showers. Waves 1 to 3 feet. .SUNDAY NIGHT...North winds 5 to 10 knots. Waves 2 feet or less. .MONDAY...North winds 5 to 10 knots becoming light and variable. Waves 2 feet or less. .TUESDAY...Light and variable winds. Waves 2 feet or less. .WEDNESDAY...Light and variable winds becoming northwest 5 to 10 knots in the late morning and early afternoon...then veering to the north until early morning. Waves 2 feet or less. $$ LHZ362-363-051600- Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM off shore- Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore- 351 AM EDT Sat Jul 5 2025 .TODAY...South winds 10 to 15 knots increasing to 15 to 20 knots late in the afternoon. Waves 3 to 5 feet. .TONIGHT...South winds 15 to 20 knots decreasing to 10 to 15 knots late in the evening...then increasing to 15 to 20 knots after midnight. A chance of showers after midnight. Waves 3 to 5 feet. .SUNDAY...Southwest winds 15 to 20 knots decreasing to 10 to 15 knots in the late morning and afternoon. A chance of showers. Waves 3 to 5 feet. .SUNDAY NIGHT...West winds 10 to 15 knots veering to the north in the late evening and overnight. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .MONDAY...North winds 10 to 15 knots decreasing to 5 to 10 knots. Waves 1 to 3 feet. .TUESDAY...Light and variable winds. Waves 2 feet or less. .WEDNESDAY...North winds 5 to 10 knots veering to the east in the late evening and early morning. Waves 2 feet or less. $$ LHZ462>464-051600- 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- 351 AM EDT Sat Jul 5 2025 .TODAY...South winds 10 to 15 knots. Waves 1 to 3 feet. .TONIGHT...South winds 10 to 15 knots. Waves 2 to 4 feet. .SUNDAY...Southwest winds 10 to 15 knots. A chance of showers in the morning...then a chance of showers and thunderstorms in the afternoon. Waves 2 to 4 feet. .SUNDAY NIGHT...West winds 10 to 15 knots. A chance of showers in the evening. Waves 1 to 3 feet. .MONDAY...North winds 10 to 15 knots decreasing to 5 to 10 knots late in the afternoon. Waves 1 to 3 feet. .TUESDAY...North winds 5 to 10 knots veering to the east in the late evening and early morning. Waves 2 feet or less. .WEDNESDAY...Northeast winds 5 to 10 knots. Waves 2 feet or less. $$ LHZ461-051600- MAFOR 0509/ HURON NORTH 15410 12510. A chance of showers this morning and overnight. Waves 2 to 4 feet today. Waves 3 to 5 feet tonight. HURON SOUTH 15410 11410 11510. Waves 1 to 3 feet. $$ TF 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)