FZUS63 KDTX 130806 AAA GLFLH Open Lake Forecast for Lake Huron...UPDATED National Weather Service Detroit/Pontiac MI 406 AM EDT Fri Mar 13 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 strong low pressure system, 29.10 inches, moves over northern lower Michigan and central Lake Huron this morning. This will bring widespread gales to the Great Lakes. A Gale Warning is in effect. The low quickly moves out tonight with high pressure, 30.20 inches, briefly building back in on Saturday. A second strong low pressure system, 28.80 inches, moves across southern Michigan and Lake Huron late Sunday into Monday. This brings additional potential for gust to gales. LHZ361-362-131615- 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- 406 AM EDT Fri Mar 13 2026 ...GALE WARNING IN EFFECT THROUGH LATE TONIGHT... .TODAY...East winds to 30 knots increasing to 35 knot gales late in the morning...then decreasing to 30 knots in the afternoon. Gusts to 45 knot gales. Snow. Snow may be heavy at times. Waves 8 to 12 feet building to 12 to 16 feet in the late morning and afternoon. Waves occasionally around 20 feet. .TONIGHT...North winds to 30 knots becoming northwest 20 to 25 knots early in the morning. Gusts to 40 knot gales. Snow likely in the evening. Waves 10 to 14 feet. Waves occasionally around 18 feet. .SATURDAY...Northwest winds 15 to 20 knots with gusts to around 30 knots decreasing to 5 to 10 knots. Waves 6 to 9 feet subsiding to 3 to 5 feet early in the afternoon. Waves occasionally around 12 feet. .SATURDAY NIGHT...North winds 5 to 10 knots veering to the east by midnight...then becoming southeast 10 to 15 knots after midnight. A chance of snow after midnight. Waves 1 to 3 feet. .SUNDAY...East winds 20 to 25 knots with gusts to around 30 knots becoming northeast at 35 knot gales with gusts to 45 knot gales. Snow. Rain late in the afternoon. Freezing rain late in the evening. Snow may be heavy at times. Waves 6 to 9 feet building to 14 to 18 feet. Waves occasionally around 23 feet. A gale warning may be needed. .MONDAY...North at 35 knot gales backing to the southwest early in the evening...then veering to the northwest by midnight. Gusts to 45 knot gales. Rain and snow early in the morning. Snow and rain likely in the late morning and early afternoon. A chance of snow . Waves 14 to 18 feet. Waves occasionally around 23 feet. .TUESDAY...Northwest at 35 knot gales with gusts to 40 knot gales decreasing to 15 to 20 knots. A chance of snow early in the morning. Waves 15 to 20 feet subsiding to 8 to 12 feet . Waves occasionally around 25 feet. $$ LHZ363-131615- Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore- 406 AM EDT Fri Mar 13 2026 ...GALE WARNING IN EFFECT THROUGH LATE TONIGHT... .TODAY...Southeast winds 20 to 25 knots increasing to 30 knots late in the morning...then becoming south 20 to 25 knots in the afternoon. Gusts to 45 knot gales decreasing to 35 knot gales late in the afternoon. Snow in the morning...then a chance of snow and rain in the afternoon. Snow may be heavy at times in the morning. Waves 8 to 12 feet. Waves occasionally around 15 feet. .TONIGHT...West winds to 30 knots veering to the northwest by midnight...then decreasing to 20 to 25 knots early in the morning. Gusts to 40 knot gales. A chance of snow. Waves 8 to 12 feet. Waves occasionally around 14 feet. .SATURDAY...Northwest winds 15 to 20 knots with gusts to around 30 knots decreasing to 5 to 10 knots. Waves 8 to 12 feet subsiding to 3 to 5 feet early in the afternoon. Waves occasionally around 15 feet. .SATURDAY NIGHT...North winds 5 to 10 knots veering to the southeast by midnight...then increasing to 10 to 15 knots after midnight. A chance of snow after midnight. Waves 1 to 3 feet building to 2 to 4 feet after midnight. .SUNDAY...East winds 15 to 20 knots increasing to 30 knots with gusts to 40 knot gales. Snow. Freezing rain late in the morning. Rain. Snow may be heavy at times in the morning. Waves 5 to 7 feet building to 10 to 14 feet. Waves occasionally around 18 feet. .MONDAY...Southeast winds to 30 knots with gusts to 45 knot gales becoming west at 35 knot gales with storm force gusts to 50 knots . Rain with snow likely early in the morning...then rain likely in the late morning and early afternoon. A chance of snow. Waves 14 to 18 feet. Waves occasionally around 23 feet. A gale warning may be needed. .TUESDAY...Northwest at 35 knot gales with gusts to 40 knot gales decreasing to 15 to 20 knots. A chance of snow early in the morning. Waves 15 to 20 feet subsiding to 6 to 9 feet. Waves occasionally around 25 feet. $$ LHZ462>464-131615- 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- 406 AM EDT Fri Mar 13 2026 ...GALE WARNING IN EFFECT THROUGH LATE TONIGHT... .TODAY...Southeast winds 20 to 25 knots increasing to 30 knots late in the morning...then becoming south 20 to 25 knots early in the afternoon veering to the southwest late in the afternoon. Gusts to 45 knot gales. Snow in the morning...then a chance of rain and snow in the afternoon. Snow may be heavy at times in the morning. Waves 8 to 12 feet. Waves occasionally around 15 feet. .TONIGHT...West winds to 30 knots increasing to 35 knot gales late in the evening...then becoming northwest to 30 knots after midnight. Gusts to 45 knot gales decreasing to 35 knot gales early in the morning. A chance of snow and rain in the evening... then a chance of snow after midnight. Waves 10 to 14 feet. Waves occasionally around 18 feet. .SATURDAY...Northwest winds 20 to 25 knots with gusts to around 30 knots decreasing to 5 to 10 knots. Waves 8 to 12 feet subsiding to 4 to 6 feet early in the afternoon. Waves occasionally around 15 feet. .SATURDAY NIGHT...North winds 5 to 10 knots veering to the east by midnight...then increasing to 10 to 15 knots after midnight. A chance of snow after midnight. Waves 2 to 4 feet subsiding to 1 to 3 feet by midnight...then building to 2 to 4 feet after midnight. .SUNDAY...East winds 20 to 25 knots with gusts to around 30 knots increasing to 30 knots with gusts to 40 knot gales late in the afternoon...then becoming southeast at 35 knot gales with gusts to 45 knot gales late in the evening. Snow with rain likely and freezing rain...then rain late in the afternoon. Waves 8 to 12 feet building to 10 to 14 feet late in the evening. Waves occasionally around 18 feet. A gale warning may be needed. .MONDAY...South winds to 30 knots becoming west at 35 knot gales . Gusts to 45 knot gales. Rain early in the morning...then rain likely in the late morning and early afternoon. A chance of snow. Waves 10 to 14 feet. Waves occasionally around 18 feet. .TUESDAY...West at 35 knot gales with gusts to 40 knot gales becoming northwest 15 to 20 knots. A chance of snow early in the morning. Waves 12 to 16 feet subsiding to 8 to 12 feet . Waves occasionally around 20 feet. $$ LHZ461-131615- MAFOR 1309/ HURON NORTH...Gale Warning in effect...11337 19357 11357 11257 11247 19257 11147 19157 11847 19857 11840 19850 11730 19750. Waves 1 to 3 feet building to 8 to 12 feet...THEN building to 10 to 14 feet. Occasional wave height around 18 feet today. Waves 10 to 14 feet subsiding to 6 to 9 feet. Occasional wave height around 18 feet tonight. HURON SOUTH...Gale Warning in effect...11337 19357 12347 19357 11527 19557 11637 19657 11747 19757 11740 19750 11730 19750. Waves 1 to 3 feet building to 5 to 7 feet...THEN building to 6 to 9 feet. Occasional wave height around 12 feet today. Waves 6 to 9 feet building to 10 to 14 feet. Occasional wave height around 18 feet tonight. $$ KGK 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)