


Great Lakes Forecast
Issued by NWS
Issued by NWS
298 FZUS63 KDTX 240741 GLFLH Open Lake Forecast for Lake Huron National Weather Service Detroit/Pontiac MI 341 AM EDT Tue Jun 24 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 cold front washes out over the Great Lakes today as low pressure, 29.60 inches, shears off to the northeast. High pressure, 30.20 inches, then builds across Lake Superior early Wednesday morning. Continued warm and unstable conditions will support shower and thunderstorm chances today through the end of the work week. LHZ361-241545- Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt beyond 5 NM off shore- 341 AM EDT Tue Jun 24 2025 .TODAY...Light and variable winds becoming northwest 5 to 10 knots in the late morning and afternoon. A chance of showers in the morning. Waves 2 feet or less. .TONIGHT...Northwest winds 5 to 10 knots. Waves 1 to 3 feet. .WEDNESDAY...North winds 5 to 10 knots early in the morning becoming light and variable. Waves 2 feet or less. .WEDNESDAY NIGHT...Light and variable winds. Waves 2 feet or less. .THURSDAY...East winds 5 to 10 knots increasing to 10 to 15 knots late in the evening. A chance of showers...then a chance of showers and thunderstorms late in the evening. Waves 2 feet or less. .FRIDAY...Southeast winds 10 to 15 knots becoming southwest 5 to 10 knots early in the evening...then veering to the west in the late evening and early morning. Showers likely and a chance of thunderstorms early in the morning...then a chance of showers early in the evening. Waves 2 to 4 feet subsiding to 1 to 3 feet until early morning. .SATURDAY...West winds 5 to 10 knots becoming light and variable. Waves 2 feet or less. $$ LHZ362-363-241545- Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM off shore- Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore- 341 AM EDT Tue Jun 24 2025 .TODAY...Southwest winds 5 to 10 knots. A chance of showers. Waves 1 to 3 feet. .TONIGHT...North winds 5 to 10 knots backing to the northwest in the late evening and overnight. A chance of showers in the evening. Waves 1 to 3 feet. .WEDNESDAY...North winds 5 to 10 knots. Waves 2 feet or less. .WEDNESDAY NIGHT...Northeast winds 5 to 10 knots. A chance of showers after midnight. Waves 2 feet or less. .THURSDAY...Northeast winds 5 to 10 knots becoming east 10 to 15 knots late in the evening. A chance of showers. A chance of thunderstorms late in the evening. Waves 1 to 3 feet. .FRIDAY...Southeast winds 10 to 15 knots veering to the south early in the evening...then becoming west 5 to 10 knots in the late evening and early morning. A chance of thunderstorms early in the morning. Rain showers likely. Waves 2 to 4 feet subsiding to 1 to 3 feet until early morning. .SATURDAY...West winds 5 to 10 knots becoming light and variable. Waves 2 feet or less. $$ LHZ462>464-241545- 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- 341 AM EDT Tue Jun 24 2025 .TODAY...West winds 5 to 10 knots. A chance of thunderstorms in the afternoon. Waves 2 feet or less. .TONIGHT...North winds 5 to 10 knots. A chance of showers and thunderstorms in the evening. Waves 2 feet or less. .WEDNESDAY...North winds 5 to 10 knots. Waves 2 feet or less. .WEDNESDAY NIGHT...North winds 5 to 10 knots veering to the northeast after midnight. A chance of showers after midnight. Waves 2 feet or less. .THURSDAY...Northeast winds 5 to 10 knots becoming east 10 to 15 knots late in the evening. A chance of showers. A chance of thunderstorms late in the morning. Waves 2 feet or less. .FRIDAY...Southeast winds 10 to 15 knots becoming southwest 5 to 10 knots until early morning. Showers likely and a chance of thunderstorms. Waves 1 to 3 feet. .SATURDAY...Northwest winds 5 to 10 knots veering to the north early in the evening...then becoming light and variable in the late evening and early morning. Waves 2 feet or less. $$ LHZ461-241545- MAFOR 2409/ HURON NORTH 16700. A chance of showers and thunderstorms this morning. A chance of showers this afternoon. Waves 2 feet or less. HURON SOUTH 12600 11700 14800 11800. A chance of showers and thunderstorms this afternoon. A chance of showers this evening. Waves 2 feet or less. $$ SC 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)