


Great Lakes Forecast
Issued by NWS
Issued by NWS
660 FZUS63 KDTX 040721 GLFLH Open Lake Forecast for Lake Huron National Weather Service Detroit/Pontiac MI 321 AM EDT Fri Apr 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...High pressure, 30.40 inches, will build over the region the rest of the day and center over the Great Lakes tonight. The next low, 29.80 inches, will lift northeast along a front stalled over Ohio Friday night into Saturday bringing the next chance for thunderstorms. LHZ361-041530- Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt beyond 5 NM off shore- 321 AM EDT Fri Apr 4 2025 .TODAY...West winds 5 to 10 knots in the morning becoming light and variable. Waves 2 feet or less. .TONIGHT...East winds 5 to 10 knots. A chance of rain and snow. Waves 2 feet or less. .SATURDAY...East winds 5 to 10 knots backing to the northwest early in the afternoon. A chance of rain and snow in the morning. Waves 1 to 3 feet. .SATURDAY NIGHT...Northwest winds 10 to 15 knots increasing to 15 to 20 knots in the late evening and overnight. Waves 3 to 5 feet. .SUNDAY...West winds 10 to 15 knots. A chance of snow late in the evening. Waves 2 to 4 feet subsiding to 1 to 3 feet late in the afternoon. .MONDAY...North winds 10 to 15 knots increasing to 15 to 20 knots in the late morning and early afternoon...then becoming northwest 20 to 25 knots early in the evening decreasing to 15 to 20 knots in the late evening and early morning. A chance of snow. Waves 1 to 3 feet building to 4 to 6 feet. Waves occasionally around 8 feet. .TUESDAY...Northwest winds 15 to 20 knots decreasing to 10 to 15 knots in the late morning and early afternoon...then increasing to 15 to 20 knots early in the evening decreasing to 10 to 15 knots in the late evening and early morning. Waves 3 to 5 feet. $$ LHZ362-363-041530- Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM off shore- Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore- 321 AM EDT Fri Apr 4 2025 .TODAY...Northwest winds 5 to 10 knots veering to the north in the afternoon. Waves 1 to 3 feet. .TONIGHT...Northeast winds 5 to 10 knots increasing to 10 to 15 knots after midnight. A chance of rain and snow in the evening...then rain likely after midnight. Waves 1 to 3 feet. .SATURDAY...East winds 10 to 15 knots backing to the north in the late morning and afternoon. A chance of rain. Waves 1 to 3 feet. .SATURDAY NIGHT...Northwest winds 10 to 15 knots increasing to 20 to 25 knots in the late evening and early morning...then decreasing to 15 to 20 knots after midnight. Waves 3 to 5 feet building to 5 to 7 feet after midnight. Waves occasionally around 10 feet. .SUNDAY...Northwest winds 15 to 20 knots decreasing to 10 to 15 knots late in the morning...then veering to the northwest 10 to 15 knots late in the afternoon backing to the west late in the evening. Waves 3 to 5 feet subsiding to 2 to 4 feet late in the evening. .MONDAY...North winds 10 to 15 knots becoming northwest 20 to 25 knots. A chance of snow until early evening. Waves 2 to 4 feet building to 6 to 9 feet. Waves occasionally around 12 feet. .TUESDAY...Northwest winds 15 to 20 knots decreasing to 10 to 15 knots in the late evening and early morning. Waves 5 to 7 feet. Waves occasionally around 10 feet. $$ 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 Fri Apr 4 2025 .TODAY...North winds 5 to 10 knots. Waves 2 feet or less. .TONIGHT...North winds 5 to 10 knots veering to the east after midnight...then increasing to 10 to 15 knots early in the morning. Rain likely in the evening...then rain after midnight. Waves 1 to 3 feet. .SATURDAY...Northeast winds 10 to 15 knots backing to the northwest early in the afternoon. Rain likely. Waves 2 to 4 feet. .SATURDAY NIGHT...Northwest winds 10 to 15 knots increasing to 15 to 20 knots in the late evening and overnight. Waves 2 to 4 feet building to 3 to 5 feet in the late evening and overnight. .SUNDAY...Northwest winds 15 to 20 knots decreasing to 10 to 15 knots late in the morning...then becoming northeast 5 to 10 knots late in the afternoon veering to the east late in the evening. Waves 3 to 5 feet subsiding to 1 to 3 feet late in the evening. .MONDAY...Southwest winds 10 to 15 knots becoming northwest 15 to 20 knots in the late morning and early afternoon...then increasing to 20 to 25 knots until early morning. Snow likely. Waves 1 to 3 feet building to 6 to 9 feet. Waves occasionally around 12 feet. .TUESDAY...Northwest winds 20 to 25 knots decreasing to 10 to 15 knots. Waves 6 to 9 feet subsiding to 3 to 5 feet in the late evening and early morning. Waves occasionally around 12 feet. $$ LHZ461-041530- MAFOR 0409/ HURON NORTH 12700 12800 13200 11216. A chance of snow this evening. Waves 2 feet or less. HURON SOUTH 11700 12800 12100 11106 12216. Waves 2 feet or less. $$ 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)