FZUS63 KDTX 190710 GLFLH Open Lake Forecast for Lake Huron National Weather Service Detroit/Pontiac MI 310 AM EDT Tue May 19 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 cold front sweeps across the region this evening, veering winds from southwest to northwest. Strong to severe thunderstorms will be possible ahead of this cold front. High pressure, 30.50 inches, then builds in mid-week. LHZ361-191515- Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt beyond 5 NM off shore- 310 AM EDT Tue May 19 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON... .TODAY...Southeast winds 10 to 15 knots becoming south 15 to 20 knots in the late morning and early afternoon...then veering to the west late in the afternoon. A chance of showers in the morning...then showers likely in the afternoon. Waves 3 to 5 feet building to 4 to 6 feet late in the afternoon. Waves occasionally around 8 feet. .TONIGHT...Northwest winds 15 to 20 knots increasing to 20 to 25 knots early in the morning. Showers likely in the evening. Waves 6 to 9 feet. Waves occasionally around 12 feet. .WEDNESDAY...Northwest winds 20 to 25 knots with gusts to around 30 knots decreasing to 15 to 20 knots in the late morning and afternoon. Waves 5 to 7 feet. Waves occasionally around 10 feet. .WEDNESDAY NIGHT...Northwest winds 15 to 20 knots becoming north 5 to 10 knots. Waves 3 to 5 feet subsiding to 2 to 4 feet after midnight. .THURSDAY...Northeast winds 5 to 10 knots veering to the east late in the morning...then becoming light and variable late in the evening. Waves 2 feet or less. .FRIDAY...East winds 5 to 10 knots increasing to 15 to 20 knots. A chance of. Waves 2 feet or less building to 2 to 4 feet. .SATURDAY...East winds 20 to 25 knots with gusts to around 30 knots decreasing to 10 to 15 knots. A chance of showers early in the morning. Waves 5 to 7 feet. Waves occasionally around 10 feet. $$ LHZ362-363-191515- Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM off shore- Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore- 310 AM EDT Tue May 19 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON... .TODAY...South winds 10 to 15 knots increasing to 15 to 20 knots in the late morning and afternoon. A chance of showers in the afternoon. Waves 5 to 7 feet. Waves occasionally around 10 feet. .TONIGHT...Southwest winds 15 to 20 knots veering to the northwest in the late evening and overnight. A chance of showers in the evening. Waves 6 to 9 feet. Waves occasionally around 12 feet. .WEDNESDAY...Northwest winds 20 to 25 knots becoming north 15 to 20 knots in the late morning and afternoon. Waves 6 to 9 feet. Waves occasionally around 12 feet. .WEDNESDAY NIGHT...North winds 15 to 20 knots becoming northwest 10 to 15 knots after midnight. Waves 4 to 6 feet. Waves occasionally around 8 feet. .THURSDAY...Northeast winds 5 to 10 knots. Waves 2 to 4 feet subsiding to 2 feet or less. .FRIDAY...East winds 5 to 10 knots increasing to 15 to 20 knots. A chance of showers by midnight. Waves 1 to 3 feet building to 3 to 5 feet . .SATURDAY...East winds 15 to 20 knots becoming northeast 10 to 15 knots . A chance of showers until afternoon. Waves 4 to 6 feet. $$ LHZ462>464-191515- 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- 310 AM EDT Tue May 19 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON... .TODAY...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. .TONIGHT...Southwest winds 15 to 20 knots becoming west 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. .WEDNESDAY...North winds 10 to 15 knots. A chance of showers in the morning. Waves 4 to 6 feet. .WEDNESDAY NIGHT...North winds 10 to 15 knots. Waves 4 to 6 feet. Waves occasionally around 8 feet. .THURSDAY...Northeast winds 10 to 15 knots decreasing to 5 to 10 knots late in the evening. Waves 2 to 4 feet subsiding to 1 to 3 feet. .FRIDAY...East winds 10 to 15 knots increasing to 15 to 20 knots by midnight. A chance of showers early in the evening. Rain showers likely by midnight. Waves 1 to 3 feet building to 3 to 5 feet . .SATURDAY...East winds 15 to 20 knots becoming northeast 10 to 15 knots . Showers likely early in the morning. A chance of showers in the late morning and early afternoon. Waves 3 to 5 feet subsiding to 2 to 4 feet by midnight. $$ LHZ461-191515- MAFOR 1909/ HURON NORTH 11410 11420 11426 11520 11626 11720 12730. Waves 2 to 4 feet building to 3 to 5 feet...THEN building to 5 to 7 feet. Occasional wave height around 10 feet today. Waves 5 to 7 feet. Occasional wave height around 9 feet tonight. HURON SOUTH 12410 11420 12520 11610 12720. A chance of showers and thunderstorms this afternoon and evening. Waves 2 to 4 feet building to 3 to 5 feet today. Waves 3 to 5 feet tonight. $$ MR 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)