Great Lakes Forecast
Issued by NWS
Issued by NWS
331 FZUS63 KDTX 171950 GLFLH Open Lake Forecast for Lake Huron National Weather Service Detroit/Pontiac MI 350 PM EDT Thu Sep 17 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...Southern edge of northern Ontario high pressure, 30.30 inches, slides across the central Great Lakes through Thursday. A secondary cold front passes southward through the region Thursday night into early Friday before Plains low pressure arrives this weekend. LHZ361-180400- Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt beyond 5 NM off shore- 350 PM EDT Thu Sep 17 2026 .TONIGHT...Light and variable winds becoming northwest 5 to 10 knots late in the evening...then increasing to 10 to 15 knots after midnight. Waves 2 feet or less. .FRIDAY...Northeast winds 10 to 15 knots becoming light and variable. Waves 2 feet or less. .FRIDAY NIGHT...Light and variable winds becoming east 5 to 10 knots after midnight. Waves 2 feet or less. .SATURDAY...East winds 5 to 10 knots becoming southeast 10 to 15 knots in the late morning and early afternoon...then becoming east 5 to 10 knots early in the afternoon. Waves 2 feet or less. .SATURDAY NIGHT...East winds 5 to 10 knots early in the evening becoming light and variable...then becoming northeast 5 to 10 knots after midnight. Waves 2 feet or less. .SUNDAY...North winds 5 to 10 knots becoming northeast 15 to 20 knots with gusts to around 30 knots late in the evening. Waves 2 feet or less building to 3 to 5 feet late in the evening. .MONDAY...Northeast winds 15 to 20 knots becoming east 10 to 15 knots in the late morning and early afternoon...then becoming northeast 5 to 10 knots early in the evening becoming east 15 to 20 knots by midnight. Waves 3 to 5 feet subsiding to 1 to 3 feet early in the evening...then building to 2 to 4 feet by midnight. .TUESDAY...East winds 15 to 20 knots decreasing to 10 to 15 knots with gusts to around 30 knots . Waves 3 to 5 feet. $$ LHZ362-363-180400- Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM off shore- Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore- 350 PM EDT Thu Sep 17 2026 .TONIGHT...Light and variable winds becoming north 15 to 20 knots. Waves 2 feet or less. .FRIDAY...North winds 15 to 20 knots becoming northeast 5 to 10 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet late in the afternoon. .FRIDAY NIGHT...Northeast winds 5 to 10 knots veering to the east after midnight. Waves 2 feet or less. .SATURDAY...East winds 5 to 10 knots. A chance of showers in the morning. Waves 2 feet or less. .SATURDAY NIGHT...East winds 5 to 10 knots backing to the northeast after midnight. A chance of showers in the evening. Waves 2 feet or less. .SUNDAY...Northeast winds 10 to 15 knots increasing to 20 to 25 knots late in the evening. Waves 1 to 3 feet building to 5 to 7 feet. Waves occasionally around 10 feet. .MONDAY...Northeast winds 15 to 20 knots. Gusts to 30 knots early in the evening. Waves 4 to 6 feet. .TUESDAY...East winds 15 to 20 knots. Gusts to 30 knots. Waves 4 to 6 feet. $$ LHZ462>464-180400- 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- 350 PM EDT Thu Sep 17 2026 .TONIGHT...North winds 5 to 10 knots increasing to 10 to 15 knots after midnight. Waves 1 to 3 feet. .FRIDAY...North winds 15 to 20 knots decreasing to 10 to 15 knots in the late morning and afternoon. Waves 2 to 4 feet. .FRIDAY NIGHT...Northeast winds 10 to 15 knots veering to the east after midnight. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight. .SATURDAY...East winds 10 to 15 knots becoming southeast 5 to 10 knots in the late morning and afternoon. A chance of showers. Waves 2 feet or less. .SATURDAY NIGHT...East winds 10 to 15 knots decreasing to 5 to 10 knots after midnight. A chance of showers. Waves 1 to 3 feet. .SUNDAY...Northeast winds 10 to 15 knots increasing to 20 to 25 knots. Waves 1 to 3 feet building to 4 to 6 feet. Waves occasionally around 8 feet. .MONDAY...Northeast winds 15 to 20 knots. Waves 4 to 6 feet. Waves occasionally around 8 feet. .TUESDAY...Northeast winds 15 to 20 knots becoming east 20 to 25 knots by midnight. Waves 3 to 5 feet. $$ LHZ461-180400- MAFOR 1721/ HURON NORTH 12700 11710 12810 11110 11100 11800. Waves 1 to 3 feet. HURON SOUTH 13800 12810 13110. Waves 1 to 3 feet. $$ KDK 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)