FZUS63 KDTX 210226 GLFLH Open Lake Forecast for Lake Huron National Weather Service Detroit/Pontiac MI 1026 PM EDT Mon Apr 20 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...Gusty south wind precedes a weak disturbance that passes through the region tonight. This system brings a chance of showers and storms across the south and is followed by a weak area of high pressure on Wednesday. A warm front then slowly lifts into the area late Thursday into Friday as the parent low pressure stalls over the upper Midwest. LHZ361>363-211030- 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- Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore- 1026 PM EDT Mon Apr 20 2026 .REST OF TONIGHT...South winds 15 to 20 knots. Gusts to 30 knots early in the morning. Waves 5 to 7 feet. Waves occasionally around 10 feet. .TUESDAY...South winds 15 to 20 knots with gusts to around 30 knots decreasing to 10 to 15 knots early in the afternoon... then backing to the southeast late in the afternoon. Waves 6 to 9 feet. Waves occasionally around 12 feet. .TUESDAY NIGHT...North winds 5 to 10 knots. Waves 3 to 5 feet subsiding to 1 to 3 feet after midnight. .WEDNESDAY...North winds 5 to 10 knots until late afternoon becoming light and variable. Waves 2 feet or less. .WEDNESDAY NIGHT...Light and variable winds becoming southeast 5 to 10 knots after midnight. Waves 2 feet or less. .THURSDAY...Southeast winds 5 to 10 knots becoming east 15 to 20 knots. Waves 1 to 3 feet building to 5 to 7 feet. Waves occasionally around 10 feet. .FRIDAY...East winds 15 to 20 knots decreasing to 10 to 15 knots early in the evening...then increasing to 15 to 20 knots by midnight. A chance of showers in the late morning and early afternoon. Rain showers likely . Waves 5 to 7 feet. Waves occasionally around 10 feet. .SATURDAY...Northeast winds 15 to 20 knots becoming north 10 to 15 knots. A chance of showers early in the morning. Waves 3 to 5 feet. $$ LHZ462>464-211030- Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore- Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore- Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore- 1026 PM EDT Mon Apr 20 2026 .REST OF TONIGHT...South winds 10 to 15 knots increasing to 15 to 20 knots with gusts to around 30 knots after midnight. Waves 2 to 4 feet building to 3 to 5 feet after midnight. .TUESDAY...South winds 20 to 25 knots with gusts to around 30 knots decreasing to 10 to 15 knots. A chance of showers in the morning. Waves 5 to 7 feet. Waves occasionally around 10 feet. .TUESDAY NIGHT...Southeast winds 5 to 10 knots. Waves 2 to 4 feet subsiding to 2 feet or less in the late evening and overnight. .WEDNESDAY...North winds 5 to 10 knots. Waves 2 feet or less. .WEDNESDAY NIGHT...North winds 5 to 10 knots early in the evening becoming light and variable. Waves 2 feet or less. .THURSDAY...Southeast winds 5 to 10 knots increasing to 10 to 15 knots late in the afternoon. Waves 1 to 3 feet. .FRIDAY...Southeast winds 10 to 15 knots. Showers likely . Waves 2 to 4 feet. .SATURDAY...East winds 10 to 15 knots backing to the north in the late morning and early afternoon...then decreasing to 5 to 10 knots . A chance of showers until afternoon. Waves 2 to 4 feet. $$ LHZ461-211030- MAFOR 2103/ HURON NORTH 12420 12430 11420 11410 11500 11700. Waves 3 to 5 feet building to 5 to 7 feet. Occasional wave height around 10 feet overnight. Waves 5 to 7 feet. Occasional wave height around 10 feet Tuesday. Waves 2 to 4 feet Tuesday evening. HURON SOUTH 12420 11430 13420 11400 11100. Waves 3 to 5 feet overnight. Waves 4 to 6 feet Tuesday. Waves 2 to 4 feet. Occasional wave height around 8 feet Tuesday evening. $$ AA 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)