


Great Lakes Forecast
Issued by NWS
Issued by NWS
666 FZUS63 KDTX 221349 GLFLH Open Lake Forecast for Lake Huron National Weather Service Detroit/Pontiac MI 949 AM EDT Tue Apr 22 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, 30.10 inches, will move across the Great Lakes today. It will then hold nearly stationary over the eastern Great Lakes tonight through Wednesday night while strengthening to 30.30 inches. Low pressure is forecast to track across the Ohio Valley and eastern Great Lakes Friday into Friday night, brining a chance of rain to the region. High pressure will then expand across the region from the north this weekend. LHZ361-362-222200- Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt beyond 5 NM off shore- Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM off shore- 949 AM EDT Tue Apr 22 2025 .REST OF TODAY...West winds 10 to 20 knots. Waves 5 to 7 feet. Waves occasionally around 10 feet. .TONIGHT...North winds 5 to 10 knots early in the evening becoming light and variable...then becoming northeast 5 to 10 knots early in the morning. Waves 2 to 4 feet subsiding to 2 feet or less in the late evening and overnight. .WEDNESDAY...East winds 5 to 10 knots. Waves 1 to 3 feet. .WEDNESDAY NIGHT...East winds 5 to 10 knots. A chance of showers after midnight. Waves 1 to 3 feet. .THURSDAY...Southeast winds 5 to 10 knots backing to the north. A chance of showers in the morning. A chance of showers late in the evening. Waves 2 feet or less. .FRIDAY...Northeast winds 10 to 15 knots increasing to 15 to 20 knots until early morning. Showers likely. A chance of rain in the late evening and early morning. Waves 1 to 3 feet building to 3 to 5 feet. .SATURDAY...North winds 15 to 20 knots decreasing to 10 to 15 knots. Waves 3 to 5 feet. $$ LHZ363-462>464-222200- Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore- Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore- Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore- Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore- 949 AM EDT Tue Apr 22 2025 .REST OF TODAY...Southwest winds 10 to 15 knots becoming west 5 to 10 knots early in the afternoon...then veering to the north late in the afternoon. Waves 3 to 5 feet. .TONIGHT...Northeast winds 5 to 10 knots. Waves 1 to 3 feet. .WEDNESDAY...Northeast winds 5 to 10 knots. Waves 2 feet or less. .WEDNESDAY NIGHT...Northeast winds 5 to 10 knots veering to the southeast in the late evening and overnight. Waves 2 feet or less. .THURSDAY...South winds 5 to 10 knots backing to the northeast late in the afternoon. A chance of showers late in the evening. Waves 2 feet or less. .FRIDAY...Northeast winds 10 to 15 knots increasing to 15 to 20 knots until early morning. A chance of showers early in the morning...then showers likely until early evening. A chance of rain in the late evening and early morning. Waves 1 to 3 feet building to 4 to 6 feet. Waves occasionally around 8 feet. .SATURDAY...North winds 15 to 20 knots decreasing to 10 to 15 knots until early morning. Waves 4 to 6 feet. $$ LHZ461-222200- MAFOR 2215/ HURON NORTH 11720 11710 13800 13200. Waves 5 to 7 feet subsiding to 3 to 5 feet. Occasional wave height around 10 feet this afternoon. Waves 1 to 3 feet tonight and Wednesday morning. HURON SOUTH 11610 11700 11100 13200 11210 11200. Waves 2 to 4 feet this afternoon. Waves 2 feet or less tonight and Wednesday morning. $$ 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)