FZUS63 KDTX 200140 GLFLH Open Lake Forecast for Lake Huron National Weather Service Detroit/Pontiac MI 940 PM EDT Tue May 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...High pressure, 30.50 inches, will start to build in over the Great Lakes this morning and will slow move east across the region through Friday morning. Northwest flow will veer to the northeast through the midweek period as high pressure settles over the area. LHZ361-200945- Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt beyond 5 NM off shore- 940 PM EDT Tue May 19 2026 .REST OF TONIGHT...Northwest winds 15 to 20 knots increasing to 20 to 25 knots early in the morning. Waves 5 to 7 feet. Waves occasionally around 10 feet. .WEDNESDAY...Northwest winds 20 to 25 knots with gusts to around 30 knots decreasing to 15 to 20 knots in the late morning and afternoon. Waves 4 to 6 feet. .WEDNESDAY NIGHT...Northwest winds 15 to 20 knots becoming north 5 to 10 knots. Waves 3 to 5 feet subsiding to 1 to 3 feet after midnight. Waves occasionally around 8 feet. .THURSDAY...Northeast winds 5 to 10 knots veering to the east in the late morning and afternoon. Waves 2 feet or less. .THURSDAY NIGHT...East winds 5 to 10 knots early in the evening becoming light and variable...then becoming east 5 to 10 knots after midnight. Waves 2 feet or less. .FRIDAY...East winds 5 to 10 knots increasing to 20 to 25 knots with gusts to around 30 knots. A chance of showers late in the evening. Waves 2 feet or less building to 6 to 9 feet. Waves occasionally around 12 feet. .SATURDAY...East winds to 30 knots with gusts to 35 knot gales decreasing to 15 to 20 knots. A chance of showers. Waves 6 to 9 feet. Waves occasionally around 11 feet. .SUNDAY...East winds 10 to 15 knots becoming southeast 5 to 10 knots in the late morning and early afternoon...then becoming north 10 to 15 knots early in the evening becoming west 5 to 10 knots by midnight. A chance of showers early in the morning. Waves 3 to 5 feet subsiding to 1 to 3 feet. $$ LHZ362-363-200945- Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM off shore- Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore- 940 PM EDT Tue May 19 2026 .REST OF TONIGHT...Northwest winds 15 to 20 knots. Waves 6 to 9 feet. Waves occasionally around 12 feet. .WEDNESDAY...Northwest winds 15 to 20 knots veering to the north late in the afternoon. Waves 6 to 9 feet. Waves occasionally around 12 feet. .WEDNESDAY NIGHT...North winds 15 to 20 knots decreasing to 10 to 15 knots in the late evening and overnight. Waves 3 to 5 feet. .THURSDAY...North winds 5 to 10 knots veering to the northeast in the late morning and afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and afternoon. .THURSDAY NIGHT...Northeast winds 5 to 10 knots. Waves 1 to 3 feet. .FRIDAY...East winds 10 to 15 knots increasing to 15 to 20 knots late in the afternoon. A chance of showers late in the afternoon. Waves 1 to 3 feet building to 4 to 6 feet late in the afternoon. Waves occasionally around 8 feet. .SATURDAY...East winds 20 to 25 knots with gusts to around 30 knots decreasing to 10 to 15 knots. Showers likely early in the morning...then a chance of showers . Waves 6 to 9 feet. Waves occasionally around 12 feet. .SUNDAY...Southeast winds 5 to 10 knots. A chance of showers early in the morning. Waves 3 to 5 feet subsiding to 1 to 3 feet. $$ LHZ462>464-200945- 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 toPort Huron beyond 5NM Off Shore- 940 PM EDT Tue May 19 2026 .REST OF TONIGHT...Northwest winds 10 to 15 knots. Waves 3 to 5 feet. .WEDNESDAY...North winds 10 to 15 knots. Waves 4 to 6 feet. Waves occasionally around 8 feet. .WEDNESDAY NIGHT...North winds 10 to 15 knots. Waves 3 to 5 feet. .THURSDAY...North winds 10 to 15 knots becoming northeast 5 to 10 knots in the late morning and afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and afternoon. .THURSDAY NIGHT...Northeast winds 10 to 15 knots becoming east 5 to 10 knots after midnight. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight. .FRIDAY...East winds 10 to 15 knots increasing to 15 to 20 knots late in the evening. A chance of showers late in the morning. Rain showers likely late in the evening. Waves 2 to 4 feet building to 4 to 6 feet late in the afternoon. Waves occasionally around 8 feet. .SATURDAY...East winds 15 to 20 knots decreasing to 10 to 15 knots . Showers likely early in the morning...then a chance of showers . Waves 4 to 6 feet. Waves occasionally around 8 feet. .SUNDAY...Southeast winds 5 to 10 knots becoming light and variable. A chance of showers until afternoon. Waves 2 feet or less. $$ LHZ461-200945- MAFOR 2003/ HURON NORTH 14730 14720. Waves 5 to 7 feet. Occasional wave height around 10 feet overnight and Wednesday. Waves 3 to 5 feet Wednesday evening. HURON SOUTH 11720 12710 12720 13820. Waves 4 to 6 feet. Occasional wave height around 8 feet overnight and Wednesday. Waves 3 to 5 feet Wednesday evening. $$ AM 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)