FZUS63 KDTX 190718 GLFLH Open Lake Forecast for Lake Huron National Weather Service Detroit/Pontiac MI 318 AM EDT Thu Mar 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 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. LHZ361-362-191530- 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- 318 AM EDT Thu Mar 19 2026 .TODAY...West winds 10 to 15 knots becoming northwest 5 to 10 knots late in the afternoon. Waves 3 to 5 feet subsiding to 1 to 3 feet in the afternoon. .TONIGHT...West winds 5 to 10 knots backing to the southeast by midnight...then becoming south 10 to 15 knots early in the morning. A chance of snow after midnight. Waves 1 to 3 feet. .FRIDAY...South winds 15 to 20 knots becoming southwest 10 to 15 knots in the late morning and early afternoon...then veering to the northwest early in the afternoon. A chance of rain in the morning. Waves 2 to 4 feet. .FRIDAY NIGHT...West winds 5 to 10 knots increasing to 10 to 15 knots in the late evening and overnight. Waves 2 to 4 feet. .SATURDAY...West winds 10 to 15 knots backing to the south late in the afternoon...then becoming east 15 to 20 knots late in the evening. A chance of rain and snow late in the afternoon. A chance of snow late in the evening. Waves 3 to 5 feet building to 5 to 7 feet late in the evening. Waves occasionally around 10 feet. .SUNDAY...Northeast winds 15 to 20 knots increasing to 20 to 25 knots. A chance of rain early in the morning. A chance of snow. Waves 8 to 12 feet. 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 becoming northwest 10 to 15 knots . Waves 6 to 9 feet subsiding to 3 to 5 feet . Waves occasionally around 12 feet. Wave heights are for ice free areas. $$ LHZ363-462>464-191530- Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore- Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore- Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore- Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore- 318 AM EDT Thu Mar 19 2026 .TODAY...Southwest winds 5 to 10 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and afternoon. .TONIGHT...North winds 5 to 10 knots veering to the east late in the evening...then veering to the southeast after midnight increasing to 10 to 15 knots early in the morning. A chance of rain and snow after midnight. Waves 2 feet or less. .FRIDAY...South winds 15 to 20 knots decreasing to 10 to 15 knots in the late morning and early afternoon...then becoming west 5 to 10 knots early in the afternoon. A chance of rain in the morning. Waves 1 to 3 feet building to 2 to 4 feet in the late morning and afternoon. .FRIDAY NIGHT...North winds 5 to 10 knots backing to the northwest after midnight. Waves 1 to 3 feet. .SATURDAY...West winds 10 to 15 knots backing to the east late in the afternoon. A chance of rain and snow late in the evening. Waves 2 to 4 feet building to 5 to 7 feet. Waves occasionally around 10 feet. .SUNDAY...Northeast winds 15 to 20 knots becoming north 20 to 25 knots . A chance of rain and snow. Waves 8 to 12 feet. Waves occasionally around 15 feet. .MONDAY...North winds 20 to 25 knots decreasing to 10 to 15 knots. Waves 6 to 9 feetsubsiding to 3 to 5 feet . Waves occasionally around 12 feet. $$ LHZ461-191530- MAFOR 1909/ HURON NORTH 11610 11700 12710 11700 11600 11400 11410. A chance of snow overnight. Waves 2 to 4 feet today. Waves 2 feet or less tonight. HURON SOUTH 11610 11600 13700 11300 11400 11410. Waves 1 to 3 feet. $$ 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)