FZUS63 KDTX 190111 GLFLH Open Lake Forecast for Lake Huron National Weather Service Detroit/Pontiac MI 911 PM EDT Wed Mar 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...A weakening cold front and diffuse pressure pattern dominate the Great Lakes Thursday, followed by a compact clipper that tracks through on Friday. Weak high pressure this weekend before a strong cold front sinks across the region with gusty northeast wind on Sunday. LHZ361-362-190915- 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- 911 PM EDT Wed Mar 18 2026 .REST OF TONIGHT...South winds 15 to 20 knots becoming southwest 10 to 15 knots after midnight. Waves 5 to 7 feet. Waves occasionally around 10 feet. .THURSDAY...West winds 10 to 15 knots decreasing to 5 to 10 knots late in the morning...then becoming northwest 10 to 15 knots early in the afternoon decreasing to 5 to 10 knots late in the afternoon. Waves 3 to 5 feet subsiding to 2 to 4 feet in the late morning and afternoon. .THURSDAY NIGHT...West winds 5 to 10 knots backing to the south after midnight. A chance of snow after midnight. Waves 2 feet or less. .FRIDAY...South winds 10 to 15 knots veering to the southwest early in the afternoon. A chance of rain and snow in the morning. Waves 1 to 3 feet. .FRIDAY NIGHT...West winds 10 to 15 knots. Waves 1 to 3 feet building to 2 to 4 feet after midnight. .SATURDAY...West winds 10 to 15 knots becoming south 15 to 20 knots late in the afternoon...then becoming north 20 to 25 knots late in the evening. A chance of rain and snow late in the afternoon. Waves 3 to 5 feet. .SUNDAY...Northeast winds 20 to 25 knots. A chance of snow and rain early in the morning. Waves 6 to 9 feet. Waves occasionally around 12 feet. .MONDAY...North winds 15 to 20 knots decreasing to 10 to 15 knots until early evening...then veering to the east by midnight. Waves 6 to 9 feet subsiding to 2 to 4 feet. Waves occasionally around 12 feet. Wave heights are for ice free areas. $$ LHZ363-462>464-190915- Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore- Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore- Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore- Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore- 911 PM EDT Wed Mar 18 2026 .REST OF TONIGHT...South winds 15 to 20 knots decreasing to 10 to 15 knots after midnight. Waves 4 to 6 feet. Waves occasionally around 8 feet. .THURSDAY...Southwest winds 5 to 10 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and afternoon. .THURSDAY NIGHT...North winds 5 to 10 knots veering to the northeast by midnight...then veering to the south after midnight. Waves 2 feet or less. .FRIDAY...South winds 10 to 15 knots. A chance of rain. Waves 1 to 3 feet. .FRIDAY NIGHT...Northwest winds 5 to 10 knots becoming west 10 to 15 knots after midnight. Waves 1 to 3 feet. .SATURDAY...West winds 10 to 15 knots backing to the south late in the afternoon...then becoming west 15 to 20 knots late in the evening. A chance of rain and snow late in the evening. Waves 3 to 5 feet. .SUNDAY...North winds 20 to 25 knots. A chance of rain and snow early in the morning. Waves 6 to 9 feet building to 8 to 12 feet by midnight. Waves occasionally around 15 feet. .MONDAY...North winds 20 to 25 knots decreasing to 15 to 20 knots in the late morning and early afternoon...then decreasing to 10 to 15 knots early in the evening veering to the northeast by midnight. Waves 6 to 9 feet subsiding to 3 to 5 feet . Waves occasionally around 12 feet. $$ LHZ461-190915- MAFOR 1903/ HURON NORTH 11520 11510 11610 11700 12710 11700 11600. Waves 4 to 6 feet overnight. Waves 2 to 4 feet. Occasional wave height around 8 feet Thursday. Waves 2 feet or less Thursday evening. HURON SOUTH 11420 11510 12600 14700. Waves 3 to 5 feet overnight. Waves 1 to 3 feet Thursday. Waves 2 feet or less Thursday evening. $$ 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)