


Great Lakes Forecast
Issued by NWS
Issued by NWS
681 FZUS63 KDTX 011937 GLFLH Open Lake Forecast for Lake Huron National Weather Service Detroit/Pontiac MI 337 PM EDT Tue Jul 1 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...A ridge of high pressure extends into the Great Lakes from the Midwest through early Wednesday. A weak cold front passes through late Wednesday into Thursday, then high pressure builds directly across the region Thursday night. A warm front passes through on Saturday with warmer and unsettled conditions through the weekend. LHZ361-362-020400- 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- 337 PM EDT Tue Jul 1 2025 .TONIGHT...West winds 5 to 10 knots. Waves 1 to 3 feet. .WEDNESDAY...Southwest winds 5 to 10 knots backing to the southeast late in the afternoon. Waves 2 feet or less. .WEDNESDAY NIGHT...South winds 5 to 10 knots veering to the west in the late evening and overnight. Waves 2 feet or less. .THURSDAY...Northwest winds 5 to 10 knots. Waves 2 feet or less. .THURSDAY NIGHT...North winds 5 to 10 knots early in the evening becoming light and variable. Waves 2 feet or less. .FRIDAY...Light and variable winds becoming southeast 5 to 10 knots late in the morning...then becoming south 10 to 15 knots late in the evening. Waves 2 feet or less. .SATURDAY...South winds 10 to 15 knots. A chance of showers until early morning. Waves 3 to 5 feet. .SUNDAY...Southwest winds 10 to 15 knots becoming west 5 to 10 knots until early morning. A chance of showers. Waves 2 to 4 feet subsiding to 1 to 3 feet until early morning. $$ LHZ363-462>464-020400- Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore- Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore- Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore- Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore- 337 PM EDT Tue Jul 1 2025 .TONIGHT...Light and variable winds becoming southwest 5 to 10 knots after midnight. Waves 2 feet or less. .WEDNESDAY...Southwest winds 5 to 10 knots. A chance of showers and thunderstorms in the afternoon. Waves 2 feet or less. .WEDNESDAY NIGHT...Southeast winds 5 to 10 knots veering to the west after midnight. A chance of showers in the evening. Waves 2 feet or less. .THURSDAY...Northwest winds 5 to 10 knots. Waves 2 feet or less. .THURSDAY NIGHT...Light and variable winds. Waves 2 feet or less. .FRIDAY...Light and variable winds becoming southeast 5 to 10 knots late in the morning...then becoming south 10 to 15 knots late in the evening. Waves 2 feet or less. .SATURDAY...South winds 10 to 15 knots. Waves 2 to 4 feet. .SUNDAY...Southwest winds 10 to 15 knots decreasing to 5 to 10 knots in the late evening and early morning. A chance of showers. Waves 2 to 4 feet subsiding to 1 to 3 feet until early morning. $$ LHZ461-020400- MAFOR 0121/ HURON NORTH 11610 13600 12500 12600. Waves 2 feet or less. HURON SOUTH 11200 15500 11500. A chance of showers and thunderstorms Wednesday afternoon. Waves 2 feet or less. $$ TF 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)