


Great Lakes Forecast
Issued by NWS
Issued by NWS
239 FZUS63 KDTX 131928 GLFLH Open Lake Forecast for Lake Huron National Weather Service Detroit/Pontiac MI 328 PM EDT Tue May 13 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...An extended period of light southeast winds continues through Wednesday. A large upper low pressure system lifting into the region will bring periods of showers and isolated thunderstorms during this period. A stronger low organizes over the Midwest on Thursday, sending a warm front across the Great Lakes Thursday night into Friday. A cold front follows on Saturday. LHZ361-362-140330- 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- 328 PM EDT Tue May 13 2025 .TONIGHT...East winds 5 to 10 knots. Waves 1 to 3 feet. .WEDNESDAY...East winds 5 to 10 knots increasing to 10 to 15 knots in the late morning and afternoon. Waves 1 to 3 feet. .WEDNESDAY NIGHT...East winds 5 to 10 knots. Waves 1 to 3 feet. .THURSDAY...East winds 5 to 10 knots. Waves 1 to 3 feet. .THURSDAY NIGHT...East winds 10 to 15 knots. A chance of showers and thunderstorms. Waves 2 to 4 feet. .FRIDAY...South winds 10 to 15 knots. A chance of showers. A chance of showers late in the evening. Waves 3 to 5 feet. .SATURDAY...South winds 10 to 15 knots veering to the west until early morning. A chance of showers. Waves 2 to 4 feet. .SUNDAY...Northwest winds 10 to 15 knots. Waves 2 to 4 feet. $$ LHZ363-462>464-140330- Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore- Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore- Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore- Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore- 328 PM EDT Tue May 13 2025 .TONIGHT...East winds 5 to 10 knots increasing to 10 to 15 knots in the late evening and early morning...then decreasing to 5 to 10 knots early in the morning. Waves 1 to 3 feet. .WEDNESDAY...East winds 5 to 10 knots increasing to 10 to 15 knots late in the morning...then decreasing to 5 to 10 knots in the afternoon. Waves 1 to 3 feet. .WEDNESDAY NIGHT...East winds 5 to 10 knots. Waves 2 feet or less. .THURSDAY...Southeast winds 5 to 10 knots. Waves 2 feet or less. .THURSDAY NIGHT...East winds 10 to 15 knots veering to the south after midnight. A chance of showers and thunderstorms in the evening...then showers and a chance of thunderstorms after midnight. Waves 1 to 3 feet building to 2 to 4 feet in the late evening and overnight. .FRIDAY...South winds 10 to 15 knots. Showers in the morning. A chance of showers late in the afternoon. Waves 3 to 5 feet. .SATURDAY...South winds 10 to 15 knots veering to the west until early morning. A chance of showers. Waves 2 to 4 feet. .SUNDAY...West winds 10 to 15 knots veering to the north until early morning. Waves 2 to 4 feet. $$ LHZ461-140330- MAFOR 1321/ HURON NORTH 12200 12300 14200. Waves 2 feet or less. HURON SOUTH 12200 15300. 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)