669 FZUS53 KGRB 151936 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 236 PM CDT Thu Oct 15 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-152200- Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- 236 PM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY EVENING... .THIS AFTERNOON...SE wind 10 to 15 kts. Waves 2 ft or less. Rain. .TONIGHT...E wind 5 to 10 kts becoming N 15 to 25 kts in the late evening and overnight. Waves 2 ft or less building to 2 to 4 ft after midnight. Rain. A Small Craft Advisory may be needed. .FRIDAY...N wind to 30 kts with gale force gusts to around 40 kts. Waves 5 to 8 ft. A chance of light rain in the morning. .FRIDAY NIGHT...NW wind 15 to 25 kts decreasing to 10 to 15 kts after midnight. Waves 4 to 7 ft. Mostly clear. $$ LMZ541>543-152200- Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 236 PM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY EVENING... .THIS AFTERNOON...SE wind 10 to 15 kts. Waves 2 to 4 ft. Rain. .TONIGHT...E wind 10 to 15 kts backing N, then backing NW 15 to 25 kts after midnight. Waves 2 to 4 ft. Rain. .FRIDAY...N wind to 30 kts increasing to gales to 35 kts in the late morning and afternoon. Gusts to 40 kts. Waves 4 to 7 ft building to 6 to 10 ft in the afternoon. Light rain likely in the morning. .FRIDAY NIGHT...N wind to 30 kts with gale force gusts to around 35 kts becoming NW 10 to 20 kts with gale force gusts to around 35 kts in the late evening and overnight. Waves 5 to 8 ft. Mostly clear. $$ See Lake Michigan Open Lake Forecast for Sunday through Tuesday.  658 FZUS53 KGRR 151936 NSHGRR Nearshore Marine Forecast National Weather Service Grand Rapids MI 336 PM EDT Thu Oct 15 2026 For waters within five nautical miles of shore on Lake Michigan LMZ849-160800- Pentwater to Manistee MI- 336 PM EDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM EDT THIS EVENING THROUGH FRIDAY MORNING... ...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH LATE FRIDAY NIGHT... .THROUGH EARLY EVENING...Southeast winds 10 to 15 knots. Rain showers. Waves around 1 foot. .TONIGHT...East winds 10 to 15 knots becoming north to 30 knots after midnight. Rain showers. A slight chance of waterspouts after midnight. Waves 1 foot or less building to 4 to 6 feet after midnight. .FRIDAY...North gales to 45 knots. Rain showers. A slight chance of waterspouts. Waves 8 to 12 feet building to 11 to 15 feet early in the afternoon. .FRIDAY NIGHT...North gales to 45 knots decreasing to 30 knots after midnight. Mostly cloudy with rain showers likely. Waves 11 to 15 feet subsiding to 7 to 10 feet after midnight. .SATURDAY...Northwest winds 10 to 20 knots backing west 15 to 25 knots in the late morning and afternoon. Sunny. Waves 3 to 6 feet. .SATURDAY NIGHT...Southwest winds to 30 knots. Clear. Waves 6 to 9 feet. .SUNDAY...Southwest gales to 35 knots. Sunny. Waves 8 to 12 feet. .MONDAY...Southwest winds 10 to 20 knots. Mostly sunny. Waves 3 to 6 feet. .TUESDAY...South winds 5 to 10 knots veering west early in the afternoon. Mostly sunny. Waves around 1 foot. $$ LMZ848-160800- Whitehall to Pentwater MI- 336 PM EDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM EDT THIS EVENING THROUGH FRIDAY MORNING... ...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH LATE FRIDAY NIGHT... .THROUGH EARLY EVENING...Southeast winds 15 to 20 knots. Rain showers. Waves 1 to 2 feet. .TONIGHT...East winds 10 to 20 knots becoming northwest gales to 35 knots after midnight. Rain showers and a slight chance of thunderstorms. A slight chance of waterspouts after midnight. Waves 1 to 3 feet building to 6 to 8 feet after midnight. .FRIDAY...Northwest gales to 40 knots veering north gales to 45 knots early in the afternoon. Rain showers likely. A slight chance of waterspouts. Waves 8 to 12 feet building to 11 to 15 feet early in the afternoon. .FRIDAY NIGHT...North storm force winds to 50 knots decreasing to 30 knots. Mostly cloudy with rain showers likely. Waves 11 to 15 feet subsiding to 7 to 10 feet after midnight. .SATURDAY...North winds 10 to 20 knots backing west 15 to 25 knots in the late morning and afternoon. Sunny. Waves 3 to 6 feet. .SATURDAY NIGHT...Southwest winds to 30 knots increasing to gales to 35 knots after midnight. Mostly clear. Waves 6 to 9 feet. .SUNDAY...Southwest gales to 35 knots. Sunny. Waves 8 to 12 feet. .MONDAY...Southwest winds 15 to 25 knots. Mostly sunny. Waves 3 to 6 feet. .TUESDAY...Southwest winds 5 to 10 knots. Mostly sunny. Waves around 1 foot. $$ LMZ847-160800- Grand Haven to Whitehall MI- 336 PM EDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM EDT THIS EVENING THROUGH FRIDAY MORNING... ...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH LATE FRIDAY NIGHT... .THROUGH EARLY EVENING...Southeast winds 15 to 20 knots. Rain showers. Waves 1 to 2 feet. .TONIGHT...Southeast winds 15 to 25 knots veering south in the late evening and early morning, then becoming west gales to 35 knots after midnight. Rain showers and a slight chance of thunderstorms in the evening, then a chance of rain showers and a slight chance of thunderstorms after midnight. A slight chance of waterspouts after midnight. Waves 1 to 2 feet building to 6 to 9 feet. .FRIDAY...Northwest gales to 40 knots veering north gales to 45 knots early in the afternoon. Rain showers. A slight chance of waterspouts. Waves 8 to 12 feet. .FRIDAY NIGHT...North gales to 45 knots decreasing to 15 to 25 knots after midnight. Partly cloudy with a chance of rain showers. Waves 8 to 12 feet subsiding to 5 to 7 feet after midnight. .SATURDAY...Northeast winds 5 to 15 knots backing west in the late morning and early afternoon, then backing southwest 15 to 25 knots early in the afternoon. Sunny. Waves 3 to 5 feet subsiding to 2 to 4 feet in the late morning and early afternoon, then building to 3 to 5 feet early in the afternoon. .SATURDAY NIGHT...Southwest winds to 30 knots increasing to gales to 35 knots after midnight. Mostly clear. Waves 6 to 9 feet. .SUNDAY...Southwest gales to 35 knots. Sunny. Waves 7 to 11 feet. .MONDAY...Southwest winds 15 to 25 knots. Mostly sunny. Waves 4 to 6 feet subsiding to 2 to 4 feet early in the afternoon. .TUESDAY...South winds 5 to 10 knots veering west early in the afternoon. Mostly sunny. Waves around 1 foot. $$ LMZ846-160800- Holland to Grand Haven MI- 336 PM EDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM EDT THIS EVENING THROUGH FRIDAY MORNING... ...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH LATE FRIDAY NIGHT... .THROUGH EARLY EVENING...Southeast winds 15 to 20 knots. Rain showers. Waves around 1 foot. .TONIGHT...Southeast winds 15 to 20 knots veering south to 30 knots in the late evening and early morning, then veering west gales to 35 knots after midnight. Rain showers and a slight chance of thunderstorms in the evening, then a chance of rain showers after midnight. A slight chance of waterspouts after midnight. Waves 1 to 2 feet building to 7 to 10 feet. .FRIDAY...Northwest gales to 40 knots veering north early in the afternoon. Rain showers. A slight chance of waterspouts. Waves 8 to 12 feet. .FRIDAY NIGHT...North gales to 40 knots decreasing to 15 to 25 knots after midnight. Partly cloudy with a chance of rain showers. Waves 7 to 11 feet subsiding to 5 to 7 feet after midnight. .SATURDAY...Northeast winds 5 to 15 knots veering south in the late morning and early afternoon, then veering southwest 15 to 20 knots early in the afternoon. Sunny. Waves 3 to 5 feet subsiding to 2 to 4 feet in the late morning and afternoon. .SATURDAY NIGHT...Southwest winds to 30 knots. Mostly clear. Waves 5 to 7 feet building to 6 to 8 feet after midnight. .SUNDAY...Southwest winds to 30 knots. Sunny. Waves 6 to 9 feet. .MONDAY...Southwest winds 10 to 20 knots. Mostly sunny. Waves 4 to 6 feet. .TUESDAY...South winds 5 to 10 knots veering west early in the afternoon. Mostly sunny. Waves 1 foot or less. $$ LMZ845-160800- South Haven to Holland MI- 336 PM EDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM EDT THIS EVENING THROUGH FRIDAY MORNING... ...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH LATE FRIDAY NIGHT... .THROUGH EARLY EVENING...Southeast winds 15 to 20 knots. Rain showers. Waves around 1 foot. .TONIGHT...Southeast winds 15 to 20 knots veering south to 30 knots in the late evening and early morning, then becoming west gales to 40 knots after midnight. Rain showers and a slight chance of thunderstorms in the evening, then a chance of rain showers after midnight. A slight chance of waterspouts after midnight. Waves around 1 foot building to 7 to 10 feet. .FRIDAY...Northwest gales to 40 knots veering north early in the afternoon. Mostly cloudy with a chance of rain showers. A slight chance of waterspouts. Waves 9 to 13 feet. .FRIDAY NIGHT...North gales to 40 knots decreasing to 15 to 25 knots after midnight. Partly cloudy with a chance of rain showers. Waves 9 to 13 feet subsiding to 6 to 9 feet after midnight. .SATURDAY...Northeast winds 10 to 20 knots veering southeast 5 to 10 knots in the late morning and early afternoon, then veering southwest early in the afternoon. Sunny. Waves4 to 6 feet subsiding to 2 to 4 feet. .SATURDAY NIGHT...Southwest winds to 30 knots. Clear. Waves 4 to 6 feet building to 5 to 7 feet after midnight. .SUNDAY...Southwest winds to 30 knots. Sunny. Waves 5 to 7 feet. .MONDAY...Southwest winds 10 to 20 knots. Mostly sunny. Waves 3 to 5 feet subsiding to 2 to 4 feet early in the afternoon. .TUESDAY...South winds 5 to 10 knots veering west early in the afternoon. Mostly sunny. Waves 1 foot or less. $$ LMZ844-160800- St Joseph to South Haven MI- 336 PM EDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM EDT THIS EVENING THROUGH FRIDAY MORNING... ...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH LATE FRIDAY NIGHT... .THROUGH EARLY EVENING...Southeast winds 15 to 20 knots. Rain showers. Waves around 1 foot. .TONIGHT...Southeast winds 15 to 20 knots veering southwest to 30 knots in the late evening and early morning, then becoming west gales to 40 knots after midnight. Rain showers and a slight chance of thunderstorms in the evening, then a chance of rain showers after midnight. A slight chance of waterspouts after midnight. Waves around 1 foot building to 7 to 10 feet. .FRIDAY...Northwest gales to 40 knots veering north early in the afternoon. Rain showers and a slight chance of thunderstorms. A slight chance of waterspouts. Waves 8 to 12 feet building to 13 to 17 feet early in the afternoon. .FRIDAY NIGHT...North gales to 40 knots decreasing to 30 knots after midnight. Partly cloudy with a chance of rain showers. Waves 14 to 18 feet subsiding to 9 to 13 feet after midnight. .SATURDAY...Northeast winds 10 to 20 knots veering southeast 5 to 10 knots in the late morning and early afternoon, then veering southwest early in the afternoon. Sunny. Waves 6 to 8 feet subsiding to 3 to 5 feet in the late morning and afternoon. .SATURDAY NIGHT...Southwest winds 15 to 25 knots. Clear. Waves 1 to 3 feet building to 3 to 5 feet in the late evening and overnight. .SUNDAY...Southwest winds 15 to 25 knots. Sunny. Waves 3 to 5 feet. .MONDAY...Southwest winds 5 to 15 knots. Sunny. Waves 1 to 3 feet. .TUESDAY...South winds 5 to 10 knots veering northwest early in the afternoon. Sunny. Waves less than 1 foot. $$  869 FZUS53 KIWX 151943 NSHIWX Nearshore Marine Forecast National Weather Service Northern Indiana 343 PM EDT Thu Oct 15 2026 For waters within five nautical miles of shore on Lake Michigan LMZ046-160215- Michigan City IN to New Buffalo MI- 343 PM EDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM EDT THIS EVENING THROUGH FRIDAY MORNING... ...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH LATE FRIDAY NIGHT... .TONIGHT...Southeast winds 10 to 15 knots becoming west and increasing to 30 knots after midnight. Showers with a slight chance of thunderstorms this evening, then a slight chance of showers after midnight. Waves 2 feet or less building to 5 to 8 feet. .FRIDAY...West winds to 30 knots becoming northwest and increasing to 35 knot gales in the afternoon. Gusts up to 40 knot gales. A slight chance of showers in the morning, then showers with a slight chance of thunderstorms in the afternoon. A slight chance of waterspouts in the afternoon. Waves 6 to 9 feet building to 11 to 15 feet. .FRIDAY NIGHT...North gales to 35 knots diminishing to 15 to 25 knots. Gusts up to 40 knot gales decreasing to 35 knot gales. A slight chance of waterspouts in the evening. Showers likely in the evening, then a chance of showers overnight. Waves 10 to 15 feet. .SATURDAY...Northeast winds 5 to 15 knots becoming southwest less than 10 knots. A slight chance of showers in the morning. Waves 5 to 9 feet subsiding to 2 to 3 feet. Winds and waves higher in and near thunderstorms. The water temperature at St. Joseph is 52 degrees and at Michigan City is 61 degrees. $$ LMZ043-160215- New Buffalo MI to St Joseph MI- 343 PM EDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM EDT THIS EVENING THROUGH FRIDAY MORNING... ...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH LATE FRIDAY NIGHT... .TONIGHT...Southeast winds 10 to 15 knots becoming west and increasing to 30 knots after midnight. Gusts up to 35 knot gales. Showers with a slight chance of thunderstorms this evening, then a slight chance of showers after midnight. Waves 2 feet or less building to 6 to 9 feet. .FRIDAY...Northwest winds to 30 knots becoming north and increasing to 35 knot gales in the afternoon. Gusts up to 40 knot gales. A chance of showers in the morning, then showers with a slight chance of thunderstorms in the afternoon. A slight chance of waterspouts in the afternoon. Waves 8 to 11 feet building to 12 to 16 feet. .FRIDAY NIGHT...North gales to 35 knots becoming northeast and diminishing to 15 to 20 knots overnight. Gusts up to 40 knot gales decreasing to 35 knot gales. A slight chance of waterspouts in the evening. Showers likely in the evening, then a chance of showers overnight. Waves 13 to 18 feet subsiding to 9 to 12 feet. .SATURDAY...Northeast winds 5 to 15 knots becoming southwest 10 knots or less. Sunny. Waves 6 to 9 feet subsiding to 2 to 3 feet. Winds and waves higher in and near thunderstorms. The water temperature at St. Joseph is 52 degrees and at Michigan City is 61 degrees. $$  869 FZUS53 KIWX 151943 NSHIWX Nearshore Marine Forecast National Weather Service Northern Indiana 343 PM EDT Thu Oct 15 2026 For waters within five nautical miles of shore on Lake Michigan LMZ046-160215- Michigan City IN to New Buffalo MI- 343 PM EDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM EDT THIS EVENING THROUGH FRIDAY MORNING... ...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH LATE FRIDAY NIGHT... .TONIGHT...Southeast winds 10 to 15 knots becoming west and increasing to 30 knots after midnight. Showers with a slight chance of thunderstorms this evening, then a slight chance of showers after midnight. Waves 2 feet or less building to 5 to 8 feet. .FRIDAY...West winds to 30 knots becoming northwest and increasing to 35 knot gales in the afternoon. Gusts up to 40 knot gales. A slight chance of showers in the morning, then showers with a slight chance of thunderstorms in the afternoon. A slight chance of waterspouts in the afternoon. Waves 6 to 9 feet building to 11 to 15 feet. .FRIDAY NIGHT...North gales to 35 knots diminishing to 15 to 25 knots. Gusts up to 40 knot gales decreasing to 35 knot gales. A slight chance of waterspouts in the evening. Showers likely in the evening, then a chance of showers overnight. Waves 10 to 15 feet. .SATURDAY...Northeast winds 5 to 15 knots becoming southwest less than 10 knots. A slight chance of showers in the morning. Waves 5 to 9 feet subsiding to 2 to 3 feet. Winds and waves higher in and near thunderstorms. The water temperature at St. Joseph is 52 degrees and at Michigan City is 61 degrees. $$ LMZ043-160215- New Buffalo MI to St Joseph MI- 343 PM EDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM EDT THIS EVENING THROUGH FRIDAY MORNING... ...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH LATE FRIDAY NIGHT... .TONIGHT...Southeast winds 10 to 15 knots becoming west and increasing to 30 knots after midnight. Gusts up to 35 knot gales. Showers with a slight chance of thunderstorms this evening, then a slight chance of showers after midnight. Waves 2 feet or less building to 6 to 9 feet. .FRIDAY...Northwest winds to 30 knots becoming north and increasing to 35 knot gales in the afternoon. Gusts up to 40 knot gales. A chance of showers in the morning, then showers with a slight chance of thunderstorms in the afternoon. A slight chance of waterspouts in the afternoon. Waves 8 to 11 feet building to 12 to 16 feet. .FRIDAY NIGHT...North gales to 35 knots becoming northeast and diminishing to 15 to 20 knots overnight. Gusts up to 40 knot gales decreasing to 35 knot gales. A slight chance of waterspouts in the evening. Showers likely in the evening, then a chance of showers overnight. Waves 13 to 18 feet subsiding to 9 to 12 feet. .SATURDAY...Northeast winds 5 to 15 knots becoming southwest 10 knots or less. Sunny. Waves 6 to 9 feet subsiding to 2 to 3 feet. Winds and waves higher in and near thunderstorms. The water temperature at St. Joseph is 52 degrees and at Michigan City is 61 degrees. $$  123 FZUS53 KDLH 151946 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 246 PM CDT Thu Oct 15 2026 For waters within five nautical miles of shore on Lake Superior. 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. LSZ140-160400- Grand Portage to Grand Marais MN- 246 PM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY AFTERNOON... .TONIGHT...North wind 10 to 15 knots with gusts to around 20 knots rising to up to 30 knots with gales to around 40 knots after midnight. Rain showers in the evening, then chance of rain showers after midnight. Waves 1 foot or less building to 3 to 5 feet after midnight. Waves occasionally to 7 feet. .FRIDAY...North wind up to 30 knots with gales to around 40 knots easing to 15 to 20 knots with gusts to around 30 knots late in the afternoon. Mostly sunny. Waves 4 to 6 feet subsiding to 2 to 4 feet late in the afternoon. Waves occasionally to 8 feet. .FRIDAY NIGHT...Northwest wind 10 to 15 knots with gusts to around 25 knots becoming west 15 to 20 knots with gusts to around 25 knots early in the morning. Partly cloudy. Waves 1 to 2 feet building to 1 to 3 feet early in the morning. .SATURDAY...Southwest wind up to 30 knots. Gusts up to 35 knots increasing to 40 knots in the afternoon. Sunny. Waves 4 to 6 feet building to 7 to 10 feet in the late morning and afternoon. Waves occasionally to 13 feet. A gale warning may be needed. $$ LSZ141-160400- Grand Marais to Taconite Harbor MN- 246 PM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY AFTERNOON... .TONIGHT...Northwest wind 5 to 10 knots becoming north 20 to 25 knots with gales to around 35 knots after midnight. Rain showers likely in the evening, then chance of rain showers after midnight. Slight chance of rain showers late in the night. Waves 1 to 2 feet building to 2 to 4 feet late in the night. .FRIDAY...North wind up to 30 knots with gales to around 35 knots becoming northwest 10 to 15 knots with gusts to around 25 knots late in the afternoon. Mostly sunny. Waves 3 to 5 feet subsiding to 1 to 2 feet late in the afternoon. .FRIDAY NIGHT...Northwest wind 10 to 15 knots with gusts to around 20 knots becoming west 15 to 20 knots with gusts to around 25 knots early in the morning. Partly cloudy. Waves 1 to 2 feet. .SATURDAY...Southwest wind 20 to 25 knots. Gusts up to 30 knots increasing to 35 knots in the late morning and afternoon. Sunny. Waves 2 to 4 feet building to 5 to 8 feet in the late morning and afternoon. Waves occasionally to 11 feet. A gale warning may be needed. $$ LSZ142-160400- Taconite Harbor to Silver Bay Harbor MN- 246 PM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY AFTERNOON... .TONIGHT...Northwest wind 5 knots becoming north 10 to 15 knots with gusts to around 25 knots after midnight, then rising to 20 to 25 knots with gales to around 35 knots late in the night. Rain showers likely in the evening, then chance of rain showers after midnight. Waves 1 foot or less building to 2 to 4 feet late in the night. .FRIDAY...North wind 20 to 25 knots with gales to around 40 knots easing to 10 to 15 knots with gusts to around 25 knots late in the afternoon. Mostly sunny. Waves 3 to 5 feet subsiding to 1 to 2 feet late in the afternoon. .FRIDAY NIGHT...Northwest wind 5 to 10 knots with gusts to around 20 knots becoming west 10 to 15 knots with gusts to around 25 knots after midnight. Partly cloudy. Waves 1 to 2 feet. .SATURDAY...Southwest wind 20 to 25 knots. Gusts up to 30 knots increasing to 35 knots in the late morning and afternoon. Sunny. Waves 2 to 4 feet building to 4 to 7 feet in the late morning andafternoon. Waves occasionally to 9 feet. A gale warning may be needed. $$ LSZ143-160400- Silver Bay Harbor to Two Harbors MN- 246 PM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY AFTERNOON... .TONIGHT...West wind 5 knots becoming northwest 10 to 15 knots with gusts to around 25 knots after midnight, then becoming north 20 to 25 knots with gales to around 35 knots late in the night. Rain showers early in the evening, then rain showers likely late in the evening. Chance of rain showers after midnight. Waves 1 foot or less building to 2 to 4 feet late in the night. .FRIDAY...North wind 20 to 25 knots with gales to around 40 knots easing to 10 to 15 knots with gusts to around 25 knots late in the afternoon. Partly sunny in the morning then clearing. Waves 3 to 5 feet subsiding to 1 to 2 feet late in the afternoon. .FRIDAY NIGHT...Northwest wind 5 to 10 knots with gusts to around 20 knots becoming southwest 10 to 15 knots with gusts to around 25 knots after midnight. Mostly clear. Waves 1 to 2 feet. .SATURDAY...Southwest wind 20 to 25 knots. Gusts up to 35 knots increasing to 40 knots in the late morning and early afternoon, then decreasing to 35 knots late in the afternoon. Sunny. Waves 4 to 6 feet. Waves occasionally to 8 feet. A gale warning may be needed. $$ LSZ144-160400- Two Harbors to Duluth MN- 246 PM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY AFTERNOON... .TONIGHT...West wind 5 to 10 knots becoming northwest 10 to 15 knots with gusts to around 20 knots after midnight, then becoming north 20 to 25 knots with gales to around 35 knots late in the night. Rain showers likely in the evening, then chance of rain showers after midnight. Waves 1 to 2 feet building to 2 to 4 feet late in the night. .FRIDAY...North wind up to 30 knots with gales to around 35 knots easing to 10 to 15 knots with gusts to around 20 knots late in the afternoon. Slight chance of rain showers in the morning. Waves 3 to 5 feet subsiding to 1 to 2 feet late in the afternoon. .FRIDAY NIGHT...Northwest wind 5 to 10 knots with gusts to around 20 knots becoming southwest 10 to 15 knots with gusts to around 25 knots early in the morning. Mostly clear. Waves 1 to 3 feet. .SATURDAY...Southwest wind 20 to 25 knots. Gusts up to 30 knots increasing to 35 knots in the late morning and afternoon. Sunny. Waves 3 to 5 feet. Waves occasionally to 7 feet. A gale warning may be needed. $$ LSZ145-160400- Duluth MN to Port Wing WI- 246 PM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY AFTERNOON... .TONIGHT...West wind 5 to 10 knots becoming north 20 to 25 knots with gales to around 35 knots after midnight. Rain showers early in the evening, then rain showers likely in the late evening and early morning. Chance of rain showers late in the night. Waves 1 to 2 feet building to 4 to 6 feet late in the night. Waves occasionally to 7 feet. .FRIDAY...North wind up to 30 knots with gales to around 40 knots easing to 10 to 15 knots with gusts to around 25 knots late in the afternoon. Slight chance of rain showers in the morning. Waves 5 to 8 feet subsiding to 2 to 4 feet late in the afternoon. Waves occasionally to 10 feet. .FRIDAY NIGHT...Northwest wind 10 to 15 knots with gusts to around 20 knots becoming southwest 15 to 20 knots with gusts to around 25 knots early in the morning. Mostly clear. Waves 1 to 3 feet. .SATURDAY...Southwest wind 20 to 25 knots. Gusts up to 30 knots increasing to 35 knots in the late morning and afternoon. Sunny. Waves 3 to 5 feet. A gale warning may be needed. $$ LSZ146-160400- Port Wing to Sand Island WI- 246 PM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY AFTERNOON... .TONIGHT...Northwest wind 5 to 10 knots rising to 10 to 15 knots with gusts to around 25 knots after midnight, then becoming north up to 30 knots with gales to around 40 knots late in the night. Rain showers early in the evening, then rain showers likely in the late evening and early morning. Chance of rain showers late in the night. Waves 1 to 2 feet building to 4 to 6 feet late in the night. Waves occasionally to 8 feet. .FRIDAY...North wind up to 30 knots with gales to around 40 knots easing to 5 to 15 knots with gusts to around 25 knots late in the afternoon. Slight chance of rain showers in the morning. Waves 6 to 9 feet subsiding to 3 to 5 feet late in the afternoon. Waves occasionally to 12 feet. .FRIDAY NIGHT...Northwest wind 10 to 15 knots with gusts to around 20 knots becoming southwest 15 to 20 knots with gusts to around 30 knots after midnight. Mostly clear. Waves 2 to 4 feet subsiding to 1 to 2 feet in the late evening and early morning, then building to 2 to 4 feet early in the morning. .SATURDAY...Southwest wind 20 to 25 knots. Gusts up to 35 knots increasing to 40 knots in the late morning and early afternoon, then decreasing to 35 knots late in the afternoon. Sunny. Waves 4 to 6 feet. Waves occasionally to 8 feet. A gale warning may be needed. $$ LSZ147-160400- Sand Island to Bayfield WI- 246 PM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY AFTERNOON... .TONIGHT...Northwest wind 5 to 10 knots rising to 15 to 20 knots with gusts to around 25 knots after midnight, then becoming north up to 30 knots with gales to around 40 knots late in the night. Rain showers early in the evening, then rain showers likely in the late evening and early morning. Chance of rain showers late in the night. Waves 1 to 2 feet building to 4 to 7 feet late in the night. Waves occasionally to 9 feet. .FRIDAY...North wind up to 30 knots with gales to around 40 knots easing to 15 to 20 knots with gusts to around 25 knots late in the afternoon. Slight chance of rain showers in the morning. Waves 7 to 10 feet subsiding to 4 to 6 feet late in the afternoon. Waves occasionally to 12 feet. .FRIDAY NIGHT...Northwest wind 10 to 15 knots with gusts to around 20 knots becoming southwest 15 to 20 knots with gusts to around 25 knots early in the morning. Mostly clear. Waves 2 to 4 feet subsiding to 1 to 2 feet in the late evening and early morning, then building to 1 to 3 feet early in the morning. .SATURDAY...Southwest wind 20 to 25 knots with gales to around 35 knots. Sunny. Waves 4 to 6 feet. Waves occasionally to 8 feet. A gale warning may be needed. $$ LSZ150-160400- Outer Apostle Islands Beyond 5 NM from Mainland- 246 PM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY AFTERNOON... .TONIGHT...Northwest wind 5 to 10 knots becoming north 15 to 20 knots with gusts to around 25 knots after midnight, then rising to up to 30 knots with gales to around 40 knots late in the night. Rain showers early in the evening, then rain showers likely in the late evening and early morning. Chance of rain showers late in the night. Waves 1 foot or less building to 4 to 7 feet. Waves occasionally to 10 feet. .FRIDAY...North wind up to 30 knots with gales to around 40 knots easing to 15 to 20 knots with gusts to around 30 knots late in the afternoon. Slight chance of rain showers in the morning. Waves 7 to 12 feet subsiding to 5 to 8 feet late in the afternoon. Waves occasionally to 15 feet. .FRIDAY NIGHT...Northwest wind 10 to 15 knots with gusts to around 25 knots becoming southwest 15 to 20 knots with gusts to around 30 knots early in the morning. Mostly clear. Waves 3 to 5 feet subsiding to 1 to 2 feet after midnight, then building to 2 to 4 feet early in the morning. Waves occasionally to 7 feet. A small craft advisory may be needed. .SATURDAY...Southwest wind up to 30 knots. Gusts up to 35 knots increasing to 40 knots in the late morning and early afternoon, then decreasing to 35 knots late in the afternoon. Sunny. Waves 5 to 8 feet. Waves occasionally to 10 feet. A gale warning may be needed. $$ LSZ121-160400- Chequamegon Bay-Bayfield to Oak Point WI- 246 PM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY AFTERNOON... .TONIGHT...Northwest wind 10 to 15 knots with gusts to around 20 knots becoming north 20 to 25 knots with gales to around 35 knots late in the night. Rain showers until early morning, then rain showers likely late in the night. Waves 1 to 2 feet. .FRIDAY...North wind 20 to 25 knots. Gales up to 40 knots decreasing to 25 knots. Chance of rain showers in the morning. Waves 1 to 3 feet subsiding to 1 to 2 feet late in the afternoon. .FRIDAY NIGHT...North wind 5 to 10 knots with gusts to around 20 knots becoming southwest with gusts to around 20 knots after midnight. Mostly clear. Waves 1 foot or less. .SATURDAY...Southwest wind 15 to 20 knots. Gusts up to 25 knots increasing to 30 knots in the late morning and afternoon. Sunny. Waves 1 to 2 feet. $$ LSZ148-160400- Oak Point to Saxon Harbor WI- 246 PM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY AFTERNOON... .TONIGHT...Northwest wind 10 to 15 knots with gusts to around 25 knots becoming north 20 to 25 knots with gales to around 40 knots late in the night. Rain showers until early morning, then rain showers likely late in the night. Waves 1 to 2 feet building to 4 to 6 feet late in the night. Waves occasionally to 8 feet. .FRIDAY...North wind up to 30 knots with gales to around 45 knots easing to 15 to 20 knots with gusts to around 30 knots late in the afternoon. Chance of rain showers in the morning. Waves 8 to 11 feet subsiding to 5 to 8 feet late in the afternoon. Waves occasionally to 14 feet. .FRIDAY NIGHT...Northwest wind 10 to 15 knots with gusts to around 25 knots becoming southwest with gusts to around 20 knots after midnight. Mostly clear. Waves 3 to 5 feet subsiding to 1 to 2 feet after midnight. Waves occasionally to 7 feet. A small craft advisory may be needed. .SATURDAY...Southwest wind 15 to 20 knots. Gusts up to 25 knots increasing to 35 knots. Sunny. Waves 1 to 3 feet. A gale warning may be needed. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH  207 FZUS53 KDTX 151949 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 349 PM EDT Thu Oct 15 2026 For waters within five nautical miles of shore Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. LHZ422-160400- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 349 PM EDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE FRIDAY NIGHT... .TONIGHT...Southeast winds 15 to 20 knots diminishing to 10 to 15 knots after midnight, then becoming southwest 15 to 20 knots early in the morning. Rain in the evening, then light rain likely after midnight. Waves 1 to 3 feet. .FRIDAY...Northwest winds 20 to 25 knots becoming north to 30 knots early in the afternoon. Mostly cloudy with a chance of light rain. Waves 1 to 3 feet building to 2 to 4 feet early in the afternoon. .FRIDAY NIGHT...North winds to 30 knots with gusts to 35 knot gales. Partly cloudy until early morning then clearing. Waves 3 to 5 feet. Waves occasionally around 7 feet. .SATURDAY...North winds 15 to 20 knots becoming northwest 10 to 15 knots in the late morning and early afternoon, then becoming southwest 15 to 20 knots early in the afternoon. Sunny. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-160400- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 349 PM EDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE FRIDAY NIGHT... .TONIGHT...Southeast winds 15 to 20 knots. Rain in the evening, then a chance of rain after midnight. Waves 1 to 3 feet. .FRIDAY...West winds 20 to 25 knots becoming northwest to 30 knots in the late morning and early afternoon, then becoming north gales to 35 knot gales early in the afternoon. Mostly cloudy. A slight chance of light rain early in the morning, then a chance of light rain in the late morning and afternoon. A slight chance of waterspouts in the late morning and afternoon. Waves 3 to 5 feet building to 6 to 9 feet early in the afternoon. Waves occasionally around 12 feet. .FRIDAY NIGHT...North winds to 35 knot gales diminishing to 30 knots after midnight. Partly cloudy. A chance of light rain early in the evening. Waves 8 to 12 feet. Waves occasionally around 15 feet. .SATURDAY...North winds 20 to 25 knots becoming northwest 10 to 15 knots in the late morning and early afternoon, then becoming southwest 20 to 25 knots early in the afternoon. Sunny. Waves 5 to 7 feet subsiding to 1 to 3 feet. Waves occasionally around 10 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-160400- Port Austin to Harbor Beach MI- 349 PM EDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE FRIDAY NIGHT... .TONIGHT...Southeast winds 15 to 20 knots becoming south 10 to 15 knots early in the morning. Rain. Waves 1 to 3 feet building to 3 to 5 feet in the late evening and overnight. Waves occasionally around 7 feet. .FRIDAY...West winds 20 to 25 knots becoming northwest to 30 knots in the late morning and early afternoon, then becoming north gales to 35 knot gales early in the afternoon. Light rain likely until late afternoon, then light rain early in the afternoon. Waves 3 to 5 feet building to 8 to 12 feet. Waves occasionally around 15 feet. .FRIDAY NIGHT...North winds to 35 knot gales with gusts to 40 knot gales diminishing to 30 knots after midnight. Mostly cloudy. A chance of light rain until early morning. Waves 10 to 14 feet. Waves occasionally around 18 feet. .SATURDAY...North winds 20 to 25 knots becoming northwest 10 to 15 knots in the late morning and early afternoon, then becoming west 15 to 20 knots earlyin the afternoon. Partly cloudy early in the morning then clearing. Waves 8 to 12 feet subsiding to 2 to 4 feet. Waves occasionally around 15 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-160400- Harbor Beach to Port Sanilac MI- 349 PM EDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE FRIDAY NIGHT... .TONIGHT...Southeast winds 15 to 20 knots veering to the southwest early in the morning. Rain. Waves 2 to 4 feet. .FRIDAY...West winds 20 to 25 knots becoming north to 30 knots with gusts to 35 knot gales early in the afternoon. A slight chance of light rain early in the morning, then light rain likely in the late morning and early afternoon. Light rain early in the afternoon. A slight chance of waterspouts early in the afternoon. Waves 3 to 5 feet building to 6 to 9 feet early in the afternoon. Waves occasionally around 12 feet. .FRIDAY NIGHT...North winds to 35 knot gales diminishing to 30 knots after midnight. Light rain early in the evening, then light rain likely in the late evening and early morning. Waves 10 to 14 feet. Waves occasionally around 18 feet. .SATURDAY...North winds 20 to 25 knots becoming northwest 15 to 20 knots in the late morning and early afternoon, then becoming west 10 to 15 knots early in the afternoon. Partly cloudy early in the morning then clearing. Waves 6 to 9 feet subsiding to 2 to 4 feet. Waves occasionally around 12 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-160400- Port Sanilac to Port Huron MI- 349 PM EDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE FRIDAY NIGHT... .TONIGHT...Southeast winds 15 to 20 knots veering to the southwest early in the morning. Light rain and a slight chance of thunderstorms. Waves 2 to 4 feet building to 3 to 5 feet in the late evening and overnight. Waves occasionally around 7 feet. .FRIDAY...West winds 20 to 25 knots becoming northwest to 30 knots early in the afternoon. Mostly cloudy. A chance of light rain until late afternoon, then light rain likely early in the afternoon. A slight chance of waterspouts early in the afternoon. Waves 2 to 4 feet building to 5 to 7 feet early in the afternoon. Waves occasionally around 10 feet. .FRIDAY NIGHT...North gales to 35 knot gales diminishing to 30 knots after midnight. Becoming partly cloudy after midnight. Light rain early in the evening, then a chance of light rain in the late evening and early morning. Waves 8 to 12 feet. Waves occasionally around 15 feet. .SATURDAY...Northwest winds 20 to 25 knots becoming west 10 to 15 knots. Partly cloudy early in the morning then clearing. Waves 6 to 9 feet subsiding to 2 to 4 feet. Waves occasionally around 12 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-160400- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 349 PM EDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EDT THIS EVENING THROUGH SATURDAY MORNING... .TONIGHT...Southeast winds 10 to 15 knots becoming southwest 20 to 25 knots with gusts to 30 knots after midnight. Light rain and a slight chance of thunderstorms in the evening, then light rain likely and a slight chance of thunderstorms after midnight. Waves 1 to 3 feet building to 3 to 5 feet after midnight. Waves occasionally around 7 feet. .FRIDAY...West winds 20 to 25 knots. Gusts to 30 knots until late afternoon. Mostly cloudy. A chance of light rain early in the morning, then a slight chance of light rain in the late morning and early afternoon. A chance of light rain early in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and afternoon. .FRIDAY NIGHT...North winds 20 to 25 knots with gusts to 30 knots. Mostly cloudy early in the evening becoming partly cloudy. A chance of light rain early in the evening. Waves 2 to 4 feet. .SATURDAY...North winds 20 to 25 knots becoming northwest 5 to 10 knots. Sunny. Waves 2 feet or less. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 64 degrees. $$ TF You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes  503 FZUS53 KLOT 151958 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 258 PM CDT Thu Oct 15 2026 For waters within five nautical miles of shore on Lake Michigan Waves are provided as a range of significant wave heights, which is the average of the highest 1/3 of the waves, along with the average height of the highest 10 percent of the waves which will occasionally be encountered. LMZ740>742-160315- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 258 PM CDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON... ...GALE WARNING IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE FRIDAY NIGHT... .LATE THIS AFTERNOON...Southeast winds 10 to 20 kt. Showers. Waves 3 to 5 ft. .TONIGHT...South winds 10 to 20 kt becoming west and increasing to 15 to 25 kt later this evening, then to increasing to 30 kt overnight. A few gale force gusts to 35 kt possible late. Showers in the evening. Waves 3 to 5 ft. .FRIDAY...Northwest winds to 30 kt becoming north and increasing to 40 kt gales in the afternoon. Slight chance of waterspouts in the afternoon. Showers likely in the afternoon. Waves 4 to 6 ft occasionally to 8 ft building to 8 to 12 ft occasionally to 16 ft. .FRIDAY NIGHT...North gales to 40 kt diminishing to 30 kt. Slight chance of waterspouts in the evening. Chance of showers in the evening. Waves 10 to 14 ft occasionally to 18 ft subsiding to 8 to 12 ft occasionally to 16 ft. .SATURDAY...Northwest winds 10 to 20 kt becoming southwest and diminishing to around 10 kt in the afternoon. Partly cloudy in the morning, then becoming sunny. Waves 5 to 8 ft occasionally to 10 ft subsiding to 2 to 4 ft. $$ LMZ743>745-160315- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 258 PM CDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON... ...GALE WARNING IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE FRIDAY NIGHT... .LATE THIS AFTERNOON...Southeast winds 10 to 20 kt. Showers. Waves 1 to 3 ft. .TONIGHT...South winds 10 to 20 kt becoming west and increasing to 30 kt overnight. A few gale force gusts to 35 kt possible late. Showers, mainly this evening. Waves 2 to 4 ft building to 5 to 8 ft occasionally to 10 ft. .FRIDAY...Northwest winds to 30 kt becoming north to 40 kt in the afternoon. Slight chance of waterspouts in the afternoon. Showers in the afternoon. Waves 6 to 9 ft occasionally to 12 ft building to 12 to 16 ft occasionally to 21 ft. .FRIDAY NIGHT...North gales to 40 kt diminishing to 30 kt. Slight chance of waterspouts in the evening. Showers in the evening, then chance of showers overnight. Waves 12 to 16 ft occasionally to 21 ft subsiding to 10 to 14 ft occasionally to 18 ft. .SATURDAY...Northeast winds 10 to 20 kt becoming southwest and diminishing to around 10 kt in the afternoon. Partly cloudy in the morning then clearing. Waves 6 to 9 ft occasionally to 12 ft subsiding to 3 to 5 ft. $$ KJB