FZUS63 KDTX 190205 GLFLH Open Lake Forecast for Lake Huron National Weather Service Detroit/Pontiac MI 1005 PM EDT Sat Apr 18 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...Colder air filters into the region this weekend, maintaining gusty west to northwest winds. A cold front tracks through the region on Sunday, then high pressure settles in on Monday. Milder southerly flow early Tuesday precedes the next cold front set to pass through by late Tuesday. LHZ361>363-191015- 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- 1005 PM EDT Sat Apr 18 2026 .REST OF TONIGHT...West winds 10 to 15 knots becoming southwest 5 to 10 knots early in the morning. Waves 3 to 5 feet. .SUNDAY...Southwest winds 10 to 15 knots becoming west 15 to 20 knots early in the afternoon...then becoming northwest 20 to 25 knots with gusts to around 30 knots late in the afternoon. Waves 4 to 6 feet building to 6 to 9 feet late in the afternoon. Waves occasionally around 12 feet. .SUNDAY NIGHT...Northwest winds 20 to 25 knots with gusts to around 30 knots decreasing to 15 to 20 knots after midnight. Waves 8 to 12 feet. Waves occasionally around 15 feet. .MONDAY...Northwest winds 10 to 15 knots decreasing to 5 to 10 knots in the late morning and afternoon. Waves 4 to 6 feet subsiding to 2 to 4 feet early in the afternoon. Waves occasionally around 8 feet. .MONDAY NIGHT...Southeast winds 10 to 15 knots becoming south 15 to 20 knots in the late evening and overnight. Waves 1 to 3 feet building to 4 to 6 feet in the late evening and overnight. Waves occasionally around 8 feet. .TUESDAY...South winds 20 to 25 knots with gusts to around 30 knots decreasing to 15 to 20 knots late in the morning...then decreasing to 10 to 15 knots late in the afternoon veering to the northwest late in the evening. Waves 6 to 9 feet subsiding to 3 to 5 feet late in the evening. Waves occasionally around 12 feet. .WEDNESDAY...North winds 10 to 15 knots becoming northeast 5 to 10 knots in the late morning and early afternoon...then becoming light and variable early in the evening becoming east 5 to 10 knots by midnight. Waves 2 to 4 feet subsiding to 1 to 3 feet. .THURSDAY...Southeast winds 5 to 10 knots increasing to 15 to 20 knots. Waves 1 to 3 feet building to 5 to 7 feet. Waves occasionally around 10 feet. $$ LHZ462>464-191015- Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore- Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore- Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore- 1005 PM EDT Sat Apr 18 2026 .REST OF TONIGHT...West winds 10 to 15 knots decreasing to 5 to 10 knots early in the morning. Waves 1 to 3 feet. .SUNDAY...West winds 5 to 10 knots increasing to 10 to 15 knots in the late morning and early afternoon...then veering to the west 10 to 15 knots late in the afternoon. A chance of showers in the afternoon. Waves 1 to 3 feet building to 2 to 4 feet late in the afternoon. .SUNDAY NIGHT...Northwest winds 15 to 20 knots. Waves 6 to 9 feet. Waves occasionally around 12 feet. .MONDAY...Northwest winds 15 to 20 knots decreasing to 5 to 10 knots. Waves 4 to 6 feet. Waves occasionally around 8 feet. .MONDAY NIGHT...East winds 5 to 10 knots becoming south 10 to 15 knots by midnight...then increasing to 15 to 20 knots after midnight. Waves 1 to 3 feet building to 4 to 6 feet after midnight. Waves occasionally around 8 feet. .TUESDAY...South winds 20 to 25 knots with gusts to around 30 knots decreasing to 15 to 20 knots late in the morning...then decreasing to 10 to 15 knots late in the afternoon veering to the northwest late in the evening. Waves 6 to 9 feet subsiding to 2 to 4 feet. Waves occasionally around 12 feet. .WEDNESDAY...North winds 10 to 15 knots becoming light and variable. Waves 1 to 3 feet. .THURSDAY...Southeast winds 5 to 10 knots increasing to 10 to 15 knots . Waves 1 to 3 feet building to 2 to 4 feet by midnight. $$ LHZ461-191015- MAFOR 1903/ HURON NORTH 11710 12610 11620 11720 13730. Waves 2 to 4 feet overnight. Waves 1 to 3 feet building to 3 to 5 feet...THEN building to 5 to 7 feet. Occasional wave height around 10 feet Sunday. Waves 6 to 9 feet. Occasional wave height around 12 feet Sunday evening. HURON SOUTH 11600 12700 11510 11610 12820 11730. Waves 1 to 3 feet overnight. Waves 1 to 3 feet building to 3 to 5 feet Sunday. Waves 5 to 7 feet. Occasional wave height around 9 feet Sunday 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)