


Great Lakes Forecast
Issued by NWS
Issued by NWS
216 FZUS63 KDTX 221948 GLFLH Open Lake Forecast for Lake Huron National Weather Service Detroit/Pontiac MI 348 PM EDT Thu May 22 2025 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...Low pressure, 29.60 inches, will continue to meander across Lake Erie and Lake Ontario through the day. This will maintain northwest flow across the Great Lakes. Low pressure will gradually weaken towards the end of the week, phasing with a second low pressure system across New England. LHZ361-230400- Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt beyond 5 NM off shore- 348 PM EDT Thu May 22 2025 .TONIGHT...Northwest winds 10 to 15 knots. Scattered showers. Waves 1 to 3 feet. .FRIDAY...Northwest winds 10 to 15 knots. Scattered showers in the morning...then numerous showers in the afternoon. Waves 1 to 3 feet. .FRIDAY NIGHT...Northwest winds 10 to 15 knots. Numerous showers in the evening. Waves 1 to 3 feet. .SATURDAY...Northwest winds 5 to 10 knots becoming west 10 to 15 knots early in the afternoon. Waves 1 to 3 feet. .SATURDAY NIGHT...Northwest winds 10 to 15 knots decreasing to 5 to 10 knots after midnight. Waves 1 to 3 feet. .SUNDAY...Northwest winds 5 to 10 knots. Waves 2 feet or less. .MONDAY...Northwest winds 5 to 10 knots early in the morning becoming light and variable. Waves 2 feet or less. .TUESDAY...Light and variable winds becoming northeast 5 to 10 knots in the late morning and early afternoon...then becoming light and variable early in the evening becoming northeast 5 to 10 knots in the late evening and early morning. Waves 2 feet or less. $$ LHZ362-363-230400- Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM off shore- Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore- 348 PM EDT Thu May 22 2025 .TONIGHT...Northwest winds 15 to 20 knots decreasing to 10 to 15 knots in the late evening and overnight. Scattered showers. Waves 3 to 5 feet. .FRIDAY...Northwest winds 10 to 15 knots. Scattered showers. Waves 3 to 5 feet. .FRIDAY NIGHT...Northwest winds 10 to 15 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .SATURDAY...Northwest winds 10 to 15 knots. Waves 1 to 3 feet. .SATURDAY NIGHT...Northwest winds 10 to 15 knots. Waves 1 to 3 feet. .SUNDAY...Northwest winds 5 to 10 knots. Waves 1 to 3 feet. .MONDAY...Northwest winds 5 to 10 knots. Waves 2 feet or less. .TUESDAY...Northeast winds 5 to 10 knots. Waves 2 feet or less. $$ LHZ462>464-230400- 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- 348 PM EDT Thu May 22 2025 .TONIGHT...Northwest winds 15 to 20 knots. Scattered showers in the evening. Patchy fog in the evening. Waves 4 to 6 feet. Waves occasionally around 8 feet. .FRIDAY...West winds 10 to 15 knots. Scattered showers. Waves 3 to 5 feet. .FRIDAY NIGHT...Northwest winds 10 to 15 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .SATURDAY...Northwest winds 10 to 15 knots decreasing to 5 to 10 knots in the late morning and afternoon. Waves 1 to 3 feet. .SATURDAY NIGHT...Northwest winds 5 to 10 knots. Waves 2 feet or less. .SUNDAY...Northwest winds 5 to 10 knots becoming light and variable. Waves 2 feet or less. .MONDAY...North winds 5 to 10 knots. Waves 2 feet or less. .TUESDAY...Northeast winds 5 to 10 knots increasing to 10 to 15 knots until early morning. Waves 1 to 3 feet. $$ LHZ461-230400- MAFOR 2221/ HURON NORTH 11810 19816 14710 19716 13716. Waves 1 to 3 feet. HURON SOUTH 12720 19726 15710 19716. Waves 3 to 5 feet subsiding to 2 to 4 feet tonight. Waves 2 to 4 feet Friday. $$ 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)