Great Lakes Forecast
Issued by NWS
Issued by NWS
313 FZUS63 KDTX 290756 GLFLH Open Lake Forecast for Lake Huron National Weather Service Detroit/Pontiac MI 356 AM EDT Tue Sep 29 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...Broad high pressure, 30.10 inches, drifts across the Great Lakes this morning. Calm winds organize out of the southwest ahead of a more unsettled pattern to close out of the work week. A strong cold front brings a pattern shift Friday into this weekend. LHZ361-291600- Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt beyond 5 NM off shore- 356 AM EDT Tue Sep 29 2026 .TODAY...Light and variable winds becoming east 5 to 10 knots late in the afternoon. Patchy dense fog in the morning. Waves 2 feet or less. .TONIGHT...Southeast winds 5 to 10 knots veering to the south after midnight. A chance of showers after midnight. Waves 1 to 3 feet. .WEDNESDAY...South winds 5 to 10 knots increasing to 10 to 15 knots in the late morning and early afternoon...then decreasing to 5 to 10 knots early in the afternoon. A chance of showers. Waves 1 to 3 feet. .WEDNESDAY NIGHT...South winds 5 to 10 knots. A chance of showers in the evening...then showers likely after midnight. Waves 1 to 3 feet. .THURSDAY...Southwest winds 5 to 10 knots becoming west 10 to 15 knots late in the morning...then veering to the northwest late in the afternoon decreasing to 5 to 10 knots late in the evening. Showers likely in the morning...then a chance of showers late in the morning. Waves 1 to 3 feet. .FRIDAY...Northwest winds 5 to 10 knots increasing to 10 to 15 knots . Waves 2 feet or less building to 2 to 4 feet . .SATURDAY...North winds 5 to 10 knots veering to the northeast in the late morning and early afternoon...then becoming light and variable early in the evening becoming southeast 5 to 10 knots by midnight. Waves 2 feet or less. $$ LHZ362-363-291600- Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM off shore- Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore- 356 AM EDT Tue Sep 29 2026 .TODAY...Light and variable winds becoming southeast 5 to 10 knots late in the afternoon. Waves 2 feet or less. .TONIGHT...Southeast winds 5 to 10 knots becoming south 10 to 15 knots by midnight...then veering to the southwest early in the morning. Waves 1 to 3 feet. .WEDNESDAY...South winds 10 to 15 knots increasing to 15 to 20 knots early in the afternoon. A chance of showers. Waves 1 to 3 feet building to 3 to 5 feet in the late morning and afternoon. .WEDNESDAY NIGHT...South winds 15 to 20 knots. A chance of showers in the evening...then showers after midnight. Waves 3 to 5 feet. .THURSDAY...Southwest winds 10 to 15 knots veering to the northwest late in the afternoon. Showers likely...then a chance of showers late in the afternoon. Waves 3 to 5 feet. .FRIDAY...Northwest winds 10 to 15 knots increasing to 15 to 20 knots early in the evening...then decreasing to 10 to 15 knots by midnight. A chance of showers early in the morning. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and early afternoon...then building to 3 to 5 feet . .SATURDAY...North winds 5 to 10 knots veering to the northeast in the late morning and early afternoon...then becoming light and variable early in the evening becoming east 5 to 10 knots by midnight. Waves 2 to 4 feet subsiding to 2 feet or less. $$ LHZ462>464-291600- 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- 356 AM EDT Tue Sep 29 2026 .TODAY...Light and variable winds becoming southeast 5 to 10 knots late in the afternoon. Patchy dense fog. Waves 2 feet or less. .TONIGHT...Southeast winds 5 to 10 knots becoming south 10 to 15 knots in the late evening and overnight. Waves 2 feet or less. .WEDNESDAY...South winds 10 to 15 knots. A chance of showers in the afternoon. Waves 1 to 3 feet. .WEDNESDAY NIGHT...South winds 10 to 15 knots. A chance of showers. Waves 2 to 4 feet. .THURSDAY...Southwest winds 10 to 15 knots becoming west 5 to 10 knots late in the afternoon...then becoming north 10 to 15 knots late in the evening. Showers likely in the morning... then showers late in the morning. Rain showers likely late in the evening. Waves 2 to 4 feet subsiding to 1 to 3 feet late in the afternoon...then building to 2 to 4 feet late in the evening. .FRIDAY...North winds 10 to 15 knots increasing to 15 to 20 knots by midnight. A chance of showers early in the morning. Waves 2 to 4 feet. .SATURDAY...North winds 10 to 15 knots becoming east 5 to 10 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet. $$ LHZ461-291600- MAFOR 2909/ HURON NORTH 12600 11500 12400 12410 11500. Waves 2 feet or less. HURON SOUTH 11700 11600 11500 11400 11300 11400 11410 11510. Waves 2 feet or less. $$ MV 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)