Great Lakes Forecast
Issued by NWS
Issued by NWS
117 FZUS63 KDTX 180135 GLFLH Open Lake Forecast for Lake Huron National Weather Service Detroit/Pontiac MI 935 PM EDT Sun May 17 2026 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 warm front lifts across Lake Huron this morning, with southerly flow expanding across all of the local waters. Strong to severe thunderstorms are possible this afternoon- evening and again Tuesday as a cold front sweeps across the region. High pressure, 30.50 inches, then builds in mid-week. LHZ361-180945- Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt beyond 5 NM off shore- 935 PM EDT Sun May 17 2026 .REST OF TONIGHT...East winds 15 to 20 knots decreasing to 10 to 15 knots early in the morning. Showers this evening...then scattered showers and thunderstorms after midnight. Waves 3 to 5 feet. .MONDAY...Southeast winds 10 to 15 knots becoming south 5 to 10 knots late in the afternoon. A chance of showers and thunderstorms in the afternoon. Waves 3 to 5 feet. .MONDAY NIGHT...South winds 5 to 10 knots backing to the southeast in the late evening and overnight. A chance of showers. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight. .TUESDAY...Southeast winds 10 to 15 knots becoming south 15 to 20 knots in the late morning and early afternoon...then veering to the southwest early in the afternoon. Showers. Waves 3 to 5 feet building to 5 to 7 feet early in the afternoon. Waves occasionally around 10 feet. .TUESDAY NIGHT...West winds 20 to 25 knots. Gusts to 30 knots in the late evening and overnight. Waves 6 to 9 feet. Waves occasionally around 12 feet. .WEDNESDAY...Northwest winds 20 to 25 knots with gusts to around 30 knots becoming north 5 to 10 knots. Waves 6 to 9 feet subsiding to 3 to 5 feet late in the afternoon. Waves occasionally around 12 feet. .THURSDAY...Light and variable winds becoming east 5 to 10 knots . Waves 2 feet or less. .FRIDAY...Southeast winds 5 to 10 knots becoming east 10 to 15 knots until early evening...then decreasing to 5 to 10 knots by midnight. Waves 1 to 3 feet. $$ LHZ362-363-180945- Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM off shore- Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore- 935 PM EDT Sun May 17 2026 .REST OF TONIGHT...East winds 15 to 20 knots decreasing to 10 to 15 knots after midnight. Showers and scattered thunderstorms this evening...then scattered showers and thunderstorms after midnight. Waves 3 to 5 feet. .MONDAY...South winds 15 to 20 knots. A chance of showers and thunderstorms in the afternoon. Waves 4 to 6 feet building to 5 to 7 feet late in the afternoon. Waves occasionally around 10 feet. .MONDAY NIGHT...South winds 15 to 20 knots decreasing to 10 to 15 knots in the late evening and overnight. A chance of showers and thunderstorms in the evening...then a chance of showers after midnight. Waves 4 to 6 feet. Waves occasionally around 8 feet. .TUESDAY...South winds 15 to 20 knots increasing to 20 to 25 knots in the late morning and afternoon. A chance of showers in the morning...then showers likely in the afternoon. Waves 4 to 6 feet building to 6 to 9 feet early in the afternoon. Waves occasionally around 12 feet. .TUESDAY NIGHT...Southwest winds 20 to 25 knots becoming northwest 15 to 20 knots with gusts to around 30 knots in the late evening and overnight. Waves 8 to 12 feet. Waves occasionally around 15 feet. .WEDNESDAY...Northwest winds 15 to 20 knots. Waves 6 to 9 feet subsiding to 3 to 5 feet late in the evening. Waves occasionally around 12 feet. .THURSDAY...North winds 5 to 10 knots early in the morning becoming light and variable...then becoming northeast 5 to 10 knots . Waves 1 to 3 feet. .FRIDAY...East winds 5 to 10 knots becoming northeast 10 to 15 knots early in the evening...then decreasing to 5 to 10 knots by midnight. Waves 2 feet or less. $$ LHZ462>464-180945- 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- 935 PM EDT Sun May 17 2026 .REST OF TONIGHT...East winds 10 to 15 knots veering to the southeast after midnight. Scattered showers and thunderstorms this evening...then scattered showers after midnight. Waves 1 to 3 feet building to 2 to 4 feet after midnight. .MONDAY...South winds 10 to 15 knots increasing to 15 to 20 knots in the late morning and afternoon. A chance of showers and thunderstorms in the afternoon. Waves 3 to 5 feet. .MONDAY NIGHT...South winds 15 to 20 knots decreasing to 10 to 15 knots in the late evening and overnight. Showers likely and a chance of thunderstorms in the evening...then a chance of showers and thunderstorms after midnight. Waves 3 to 5 feet. .TUESDAY...South winds 15 to 20 knots. A chance of showers in the morning...then showers and a chance of thunderstorms in the afternoon. Waves 3 to 5 feet. .TUESDAY NIGHT...Southwest winds 15 to 20 knots veering to the west by midnight...then becoming northwest 10 to 15 knots after midnight. A chance of showers and thunderstorms in the evening. Waves 4 to 6 feet. Waves occasionally around 8 feet. .WEDNESDAY...Northwest winds 10 to 15 knots. Waves 3 to 5 feet. .THURSDAY...Northeast winds 5 to 10 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet. .FRIDAY...East winds 5 to 10 knots backing to the northeast by midnight. Waves 2 feet or less. $$ LHZ461-180945- MAFOR 1803/ HURON NORTH 11226 11310 19319 11410 13420 11416 11410. Waves 3 to 5 feet. HURON SOUTH 11210 19216 14410 13416. Waves 2 to 4 feet overnight and Monday. Waves 3 to 5 feet subsiding to 2 to 4 feet Monday evening. $$ KDK 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)