358 FZUS53 KDLH 160400 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 1100 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. LSZ140-161000- Grand Portage to Grand Marais MN- 1100 PM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM 4 AM CDT FRIDAY THROUGH FRIDAY AFTERNOON... .REST OF TONIGHT...North wind 10 to 15 knots with gusts to around 20 knots rising to up to 30 knots with gales to around 35 knots after midnight. Rain showers likely late 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. Partly sunny in the morning then clearing. 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 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 building to 2 to 4 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. $$ LSZ141-161000- Grand Marais to Taconite Harbor MN- 1100 PM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM 4 AM CDT FRIDAY THROUGH FRIDAY AFTERNOON... .REST OF TONIGHT...North wind 5 to 10 knots rising to 20 to 25 knots with gales to around 35 knots after midnight. Chance of rain showers through the night. Waves 1 to 2 feet building to 2 to 4 feet toward daybreak. .FRIDAY...North wind up to 30 knots with gales to around 35 knots becoming northwest 10 to 15 knots with gusts to around 25 knots late in the afternoon. Slight chance of rain showers in the morning. Waves 3 to 5 feet subsiding to 1 to 2 feet late in the afternoon. .FRIDAY NIGHT...Northwest wind 10 to 15 knots with gusts to around 20 knots becoming west 15 to 20 knots with gusts to around 25 knots early in the morning. Partly cloudy. Waves 1 to 2 feet. .SATURDAY...Southwest wind 20 to 25 knots. Gusts up to 30 knots increasing to 35 knots in the late morning and afternoon. Sunny. Waves 2 to 4 feet building to 5 to 8 feet in the late morning and afternoon. Waves occasionally to 11 feet. A gale warning may be needed. $$ LSZ142-161000- Taconite Harbor to Silver Bay Harbor MN- 1100 PM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM 4 AM CDT FRIDAY THROUGH FRIDAY AFTERNOON... .REST OF TONIGHT...Northwest wind 5 knots becoming north 20 to 25 knots with gales to around 35 knots. Chance of rain showers. Waves 1 foot or less building to 2 to 4 feet toward daybreak. .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. 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 west 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 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 and afternoon. Waves occasionally to 9 feet. A gale warning may be needed. $$ LSZ143-161000- Silver Bay Harbor to Two Harbors MN- 1100 PM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM 4 AM CDT FRIDAY THROUGH FRIDAY AFTERNOON... .REST OF TONIGHT...Northwest wind 5 knots becoming north 20 to 25 knots with gales to around 35 knots. Chance of rain showers. Waves 1 foot or less building to 2 to 4 feet toward daybreak. .FRIDAY...North wind 20 to 25 knots with gales to around 40 knots easing to 10 to 15 knots with gusts to around 25 knots late in the afternoon. Slight chance of rain showers in the morning. Waves 3 to 5 feet subsiding to 1 to 2 feet late in the afternoon. .FRIDAY NIGHT...Northwest wind 5 to 10 knots with gusts to around 20 knots becoming southwest 10 to 15 knots with gusts to around 25 knots after midnight. Mostly clear. Waves 1 to 2 feet. .SATURDAY...Southwest wind 20 to 25 knots. Gusts up to 35 knots increasing to 40 knots in the late morning and early afternoon, then decreasing to 35 knots late in the afternoon. Sunny. Waves 4 to 6 feet. Waves occasionally to 8 feet. A gale warning may be needed. $$ LSZ144-161000- Two Harbors to Duluth MN- 1100 PM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM 4 AM CDT FRIDAY THROUGH FRIDAY AFTERNOON... .REST OF 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 toward daybreak. Chance of rain showers late in the evening, then rain showers likely after midnight. Chance of rain showers toward daybreak. Waves 1 to 2 feet building to 2 to 4 feet toward daybreak. .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. $$ LSZ145-161000- Duluth MN to Port Wing WI- 1100 PM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM 4 AM CDT FRIDAY THROUGH FRIDAY AFTERNOON... .REST OF TONIGHT...Northwest wind 5 to 10 knots becoming north 20 to 25 knots with gales to around 35 knots after midnight. Rain showers likely late in the evening, then chance of rain showers toward daybreak. Waves 1 to 2 feet building to 4 to 6 feet toward daybreak. Waves occasionally to 7 feet. .FRIDAY...North wind up to 30 knots with gales to around 40 knots easing to 10 to 15 knots with gusts to around 25 knots late in the afternoon. Chance of rain showers in the morning. Waves 5 to 8 feet subsiding to 2 to 4 feet late in the afternoon. Waves occasionally to 10 feet. .FRIDAY NIGHT...Northwest wind 10 to 15 knots with gusts to around 20 knots becoming southwest 15 to 20 knots with gusts to around 25 knots early in the morning. Mostly clear. Waves 1 to 3 feet. .SATURDAY...Southwest wind 20 to 25 knots. Gusts up to 30 knots increasing to 35 knots in the late morning and afternoon. Sunny. Waves 3 to 5 feet. A gale warning may be needed. $$ LSZ146-161000- Port Wing to Sand Island WI- 1100 PM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM 4 AM CDT FRIDAY THROUGH FRIDAY AFTERNOON... .REST OF TONIGHT...Northwest wind 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 toward daybreak. Rain showers likely late in the evening, then chance of rain showers toward daybreak. Waves 1 to 2 feet building to 4 to 6 feet toward daybreak. 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. 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. $$ LSZ147-161000- Sand Island to Bayfield WI- 1100 PM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM 4 AM CDT FRIDAY THROUGH FRIDAY AFTERNOON... .REST OF TONIGHT...Northwest wind 5 to 10 knots becoming north up to 30 knots with gales to around 35 knots. Rain showers likely late in the evening, then chance of rain showers toward daybreak. Waves 1 to 2 feet building to 4 to 7 feet toward daybreak. Waves occasionally to 9 feet. .FRIDAY...North wind up to 30 knots with gales to around 40 knots easing to 15 to 20 knots with gusts to around 25 knots late in the afternoon. Slight chance of rain showers in the morning. Waves 7 to 10 feet subsiding to 4 to 6 feet late in the afternoon. Waves occasionally to 12 feet. .FRIDAY NIGHT...Northwest wind 10 to 15 knots with gusts to around 20 knots becoming southwest 15 to 20 knots with gusts to around 25 knots early in the morning. Mostly clear. Waves 2 to 4 feet subsiding to 1 to 2 feet in the late evening and early morning, then building to 1 to 3 feet early in the morning. .SATURDAY...Southwest wind 20 to 25 knots with gales to around 35 knots. Sunny. Waves 4 to 6 feet. Waves occasionally to 8 feet. A gale warning may be needed. $$ LSZ150-161000- Outer Apostle Islands Beyond 5 NM from Mainland- 1100 PM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM 4 AM CDT FRIDAY THROUGH FRIDAY AFTERNOON... .REST OF TONIGHT...Northwest wind 10 knots with gusts to around 20 knots becoming north up to 30 knots with gales to around 35 knots. Rain showers likely late in the evening, then chance of rain showers toward daybreak. 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 25 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. $$ LSZ121-161000- Chequamegon Bay-Bayfield to Oak Point WI- 1100 PM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM 4 AM CDT FRIDAY THROUGH FRIDAY AFTERNOON... .REST OF TONIGHT...Northwest wind 10 to 15 knots with gusts to around 20 knots becoming north 20 to 25 knots with gales to around 35 knots toward daybreak. Rain showers likely. Waves 1 to 2 feet. .FRIDAY...North wind 20 to 25 knots. Gales up to 40 knots decreasing to 25 knots. Chance of rain showers in the morning. Waves 1 to 3 feet subsiding to 1 to 2 feet late in the afternoon. .FRIDAY NIGHT...North wind 5 to 10 knots with gusts to around 20 knots becoming southwest with gusts to around 20 knots after midnight. Mostly clear. Waves 1 foot or less. .SATURDAY...Southwest wind 15 to 20 knots. Gusts up to 25 knots increasing to 30 knots in the late morning and afternoon. Sunny. Waves 1 to 2 feet. $$ LSZ148-161000- Oak Point to Saxon Harbor WI- 1100 PM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM 4 AM CDT FRIDAY THROUGH FRIDAY AFTERNOON... .REST OF TONIGHT...Northwest wind 10 to 15 knots with gusts to around 25 knots becoming north 20 to 25 knots with gales to around 35 knots toward daybreak. Rain showers likely. Waves 1 to 2 feet building to 4 to 6 feet toward daybreak. Waves occasionally to 8 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. 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. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH  954 FZUS53 KMKX 160410 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 1110 PM CDT Thu Oct 15 2026 For waters within five nautical miles of shore on Lake Michigan LMZ643-161000- Sheboygan to Port Washington WI- 1110 PM CDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT FRIDAY... ...GALE WARNING IN EFFECT FROM 10 AM CDT FRIDAY THROUGH FRIDAY EVENING... .REST OF TONIGHT...Northwest wind 15 to 25 knots. Slight chance of waterspouts. chance of showers. Waves 3 to 4 feet. .FRIDAY...Northwest wind 15 to 25 knots rising to up to 30 knots with gusts to around 35 knots late in the morning, then becoming north gales to 35 knots with gusts to around 40 knots in the afternoon. Slight chance of waterspouts through the day. showers in the morning. Chance of showers in the afternoon. Waves 4 to 6 feet building to 8 to 10 feet. .FRIDAY NIGHT...North gales to 35 knots with gusts to around 40 knots easing to up to 30 knots late in the evening, then easing to 15 to 25 knots after midnight becoming northwest 10 to 15 knots early in the morning. Partly cloudy through around midnight then clearing. Waves 8 to 10 feet subsiding to 3 to 5 feet. .SATURDAY...Northwest wind 10 to 15 knots backing west late in the morning, then backing southwest 10 to 20 knots early in the afternoon becoming 15 to 20 knots late in the afternoon. Sunny. Waves 2 to 4 feet subsiding to 1 to 2 feet in the late morning and early afternoon, then building to 2 to 4 feet late in the afternoon. $$ LMZ644-161000- Port Washington to North Point Light WI- 1110 PM CDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT FRIDAY... ...GALE WARNING IN EFFECT FROM 10 AM CDT FRIDAY THROUGH FRIDAY EVENING... .REST OF TONIGHT...West wind 15 to 25 knots veering northwest early in the morning. Slight chance of waterspouts. slight chance of showers. Waves 3 to 4 feet. .FRIDAY...Northwest wind 15 to 25 knots rising to up to 30 knots with gusts to around 35 knots late in the morning, then becoming north gales to 35 knots with gusts to around 40 knots in the afternoon. Slight chance of waterspouts through the day. chance of showers in the morning. Rain showers in the afternoon. Waves 3 to 4 feet building to 8 to 10 feet. .FRIDAY NIGHT...North gales to 35 knots with gusts to around 40 knots easing to up to 30 knots with gusts to around 35 knots late in the evening, then easing to 15 to 25 knots after midnight becoming northwest 10 to 20 knots early in the morning. Partly cloudy through around midnight then becoming clear. Waves 8 to 10 feet subsiding to 4 to 6 feet. .SATURDAY...Northwest wind 10 to 15 knots becoming west 5 to 10 knots late in the morning, then becoming southwest 10 to 15 knots with gusts to around 20 knots early in the afternoon rising to 15 to 20 knots late in the afternoon. Sunny. Waves 3 to 4 feet subsiding to 1 to 3 feet in the afternoon. $$ LMZ645-161000- North Point Light to Wind Point WI- 1110 PM CDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT FRIDAY... ...GALE WARNING IN EFFECT FROM 10 AM CDT FRIDAY THROUGH FRIDAY EVENING... .REST OF TONIGHT...West wind 15 to 25 knots veering northwest early in the morning. Gusts up to 30 knots. Slight chance of showers. Waves 3 to 4 feet. .FRIDAY...Northwest wind 15 to 25 knots with gusts to around 30 knots rising to up to 30 knots late in the morning, then becoming north gales to 35 knots with gusts to around 40 knots in the afternoon. Slight chance of waterspouts through the day. chance of showers in the morning. Rain showers in the afternoon. Waves 3 to 4 feet building to 10 to 13 feet. .FRIDAY NIGHT...North gales to 35 knots with gusts to around 40 knots easing to up to 30 knots with gusts to around 35 knots late in the evening, then easing to 15 to 25 knots after midnight easing to 10 to 20 knots early in the morning. Partly cloudy. Waves 10 to 13 feet subsiding to 6 to 8 feet early in the morning. .SATURDAY...Northwest wind 10 to 15 knots becoming west 5 to 10 knots late in the morning, then becoming southwest 10 to 15 knots early in the afternoon rising to 15 to 20 knots late in the afternoon. Sunny. Waves 3 to 5 feet subsiding to 1 to 2 feet. $$ LMZ646-161000- Wind Point WI to Winthrop Harbor IL- 1110 PM CDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT FRIDAY... ...GALE WARNING IN EFFECT FROM 10 AM CDT FRIDAY THROUGH FRIDAY EVENING... .REST OF TONIGHT...West wind 15 to 25 knots. Gusts up to 30 knots. Slight chance of showers after midnight. Waves 3 to 4 feet. .FRIDAY...Northwest wind 15 to 25 knots with gusts to around 30 knots rising to up to 30 knots with gusts to around 35 knots early in the afternoon, then becoming north gales to 35 knots with gusts to around 40 knots late in the afternoon. Slight chance of waterspouts through the day. chance of showers in the morning. Rain showers in the afternoon. Waves 3 to 4 feet building to 9 to 11 feet. .FRIDAY NIGHT...North gales to 35 knots with gusts to around 40 knots easing to up to 30 knots with gusts to around 35 knots late in the evening, then easing to 15 to 25 knots after midnight becoming 15 to 20 knots early in the morning. Partly cloudy. Waves 9 to 11 feet subsiding to 5 to 7 feet early in the morning. .SATURDAY...Northwest wind 10 to 15 knots easing to 5 to 10 knots late in the morning, then becoming southwest 10 to 15 knots in the afternoon. Sunny. Waves 3 to 5 feet subsiding to 1 to 2 feet. $$ See Lake Michigan Open Waters Forecast for Sunday through Tuesday.  198 FZUS53 KGRB 160415 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 1115 PM CDT Thu Oct 15 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-161000- Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- 1115 PM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM 8 AM CDT FRIDAY THROUGH FRIDAY EVENING... .REST OF TONIGHT...N wind 15 to 25 kts. Waves 2 ft or less building to 3 to 5 ft after midnight. Rain showers. .FRIDAY...N wind to 30 kts increasing to gales to 35 kts mid-day, then decreasing to to 30 kts early in the afternoon. Waves 5 to 8 ft. Rain showers in the morning. .FRIDAY NIGHT...NW wind 15 to 25 kts decreasing to 5 to 10 kts after midnight. Waves 4 to 7 ft subsiding to 1 to 3 ft after midnight. Mostly clear. .SATURDAY...W wind 10 to 15 kts backing SW 15 to 25 kts in the late morning and afternoon. Waves 1 to 3 ft building to 3 to 5 ft in the afternoon. Sunny. A Small Craft Advisory may be needed. $$ LMZ542-543-161000- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 1115 PM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM 8 AM CDT FRIDAY THROUGH FRIDAY EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY EVENING THROUGH LATE FRIDAY NIGHT... .REST OF TONIGHT...NW wind 15 to 25 kts. Waves 1 to 3 ft building to 2 to 4 ft after midnight. Rain showers late in the evening, then a chance of showers after midnight. .FRIDAY...NW wind 15 to 25 kts becoming N gales to 35 kts in the late morning and afternoon. Gusts to 45 kts. Waves 4 to 7 ft building to 6 to 10 ft in the afternoon. A chance of showers. .FRIDAY NIGHT...N wind to 30 kts with gale force gusts to around 35 kts becoming NW 5 to 10 kts. Waves 5 to 8 ft. Mostly clear. .SATURDAY...W wind 10 to 15 kts backing SW 15 to 25 kts early in the afternoon. Waves 2 to 4 ft. Sunny. $$ LMZ541-161000- Rock Island Passage to Sturgeon Bay WI- 1115 PM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM 8 AM CDT FRIDAY THROUGH FRIDAY EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FRIDAY EVENING... .REST OF TONIGHT...N wind 10 to 15 kts increasing to 15 to 25 kts after midnight. Waves 2 ft or less building to 2 to 4 ft after midnight. Rain showers. .FRIDAY...N wind to 30 kts increasing to gales to 35 kts in the late morning and afternoon. Gusts to 40 kts. Waves 4 to 7 ft building to 5 to 8 ft in the afternoon. Rain showers in the morning. .FRIDAY NIGHT...N wind 15 to 25 kts with gale force gusts to around 35 kts backing NW 10 to 15 kts after midnight. Waves 4 to 7 ft subsiding to 1 to 3 ft after midnight. Mostly cloudy in the evening then clearing. .SATURDAY...W wind 10 to 15 kts backing SW 15 to 25 kts in the late morning and afternoon. Waves 1 to 3 ft building to 2 to 4 ft in the afternoon. Sunny. $$ See Lake Michigan Open Lake Forecast for Sunday through Tuesday.  339 FZUS53 KGRR 160421 NSHGRR Nearshore Marine Forecast National Weather Service Grand Rapids MI 1221 AM EDT Fri Oct 16 2026 For waters within five nautical miles of shore on Lake Michigan LMZ849-160800- Pentwater to Manistee MI- 1221 AM EDT Fri Oct 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... ...GALE WARNING IN EFFECT FROM 11 AM EDT THIS MORNING THROUGH LATE TONIGHT... .REST OF TONIGHT...Northeast winds 10 to 15 knots becoming north to 30 knots after midnight. Rain showers. A slight chance of waterspouts. Waves 1 foot or less building to 3 to 5 feet after midnight. .FRIDAY...North gales to 45 knots. Rain showers. A slight chance of waterspouts. Waves 6 to 9 feet building to 11 to 15 feet in the late morning and 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. $$ LMZ848-160800- Whitehall to Pentwater MI- 1221 AM EDT Fri Oct 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... ...GALE WARNING IN EFFECT FROM 11 AM EDT THIS MORNING THROUGH LATE TONIGHT... .REST OF TONIGHT...Northwest winds 15 to 20 knots increasing to gales to 35 knots after midnight. Cloudy with rain showers likely and a slight chance of thunderstorms. A slight chance of waterspouts. Waves 1 to 3 feet building to 5 to 7 feet after midnight. .FRIDAY...Northwest gales to 40 knots veering north gales to 45 knots early in the afternoon. Rain showers likely. A slight chance of waterspouts. Waves 8 to 12 feet building to 11 to 15 feet early in the afternoon. .FRIDAY NIGHT...North storm force winds to 50 knots decreasing to 30 knots. Mostly cloudy with rain showers likely. Waves 11 to 15 feet subsiding to 7 to 10 feet after midnight. .SATURDAY...North winds 10 to 20 knots backing west 15 to 25 knots in the late morning and afternoon. Sunny. Waves 3 to 6 feet. .SATURDAY NIGHT...Southwest winds to 30 knots increasing to gales to 35 knots after midnight. Mostly clear. Waves 6 to 9 feet. .SUNDAY...Southwest gales to 35 knots. Sunny. Waves 8 to 12 feet. .MONDAY...Southwest winds 15 to 25 knots. Mostly sunny. Waves 3 to 6 feet. .TUESDAY...Southwest winds 5 to 10 knots. Mostly sunny. Waves around 1 foot. $$ LMZ847-160800- Grand Haven to Whitehall MI- 1221 AM EDT Fri Oct 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... ...GALE WARNING IN EFFECT FROM 11 AM EDT THIS MORNING THROUGH LATE TONIGHT... .REST OF TONIGHT...West winds around 25 knots increasing to gales to 35 knots after midnight. Cloudy with a chance of rain showers and a slight chance of thunderstorms. A slight chance of waterspouts. Waves 2 to 4 feet building to 6 to 9 feet after midnight. .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 8 to 12 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. $$ LMZ846-160800- Holland to Grand Haven MI- 1221 AM EDT Fri Oct 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... ...GALE WARNING IN EFFECT FROM 11 AM EDT THIS MORNING THROUGH LATE TONIGHT... .REST OF TONIGHT...Southwest winds to 30 knots veering west after midnight. Cloudy with a chance of rain showers. A slight chance of waterspouts. Waves 2 to 4 feet building to 7 to 10 feet after midnight. .FRIDAY...Northwest gales to 40 knots veering north early in the afternoon. Rain showers. A slight chance of waterspouts. Waves 8 to 12 feet. .FRIDAY NIGHT...North gales to 40 knots decreasing to 15 to 25 knots after midnight. Partly cloudy with a chance of rain showers. Waves 7 to 11 feet subsiding to 5 to 7 feet after midnight. .SATURDAY...Northeast winds 5 to 15 knots veering south in the late morning and early afternoon, then veering southwest 15 to 20 knots early in the afternoon. Sunny. Waves 3 to 5 feet subsiding to 2 to 4 feet in the late morning and afternoon. .SATURDAY NIGHT...Southwest winds to 30 knots. Mostly clear. Waves 5 to 7 feet building to 6 to 8 feet after midnight. .SUNDAY...Southwest winds to 30 knots. Sunny. Waves 7 to 10 feet. .MONDAY...Southwest winds 10 to 20 knots. Mostly sunny. Waves 4 to 6 feet. .TUESDAY...South winds 5 to 10 knots veering west early in the afternoon. Mostly sunny. Waves 1 foot or less. $$ LMZ845-160800- South Haven to Holland MI- 1221 AM EDT Fri Oct 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... ...GALE WARNING IN EFFECT FROM 11 AM EDT THIS MORNING THROUGH LATE TONIGHT... .REST OF TONIGHT...West winds to 30 knots increasing to gales to 40 knots after midnight. Cloudy with a chance of rain showers. A slight chance of waterspouts. Waves 3 to 5 feet building to 7 to 10 feet after midnight. .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. Waves 4 to 6 feet subsiding to 2 to 4 feet early in the afternoon. .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 6 to 8 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. $$ LMZ844-160800- St Joseph to South Haven MI- 1221 AM EDT Fri Oct 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... ...GALE WARNING IN EFFECT FROM 11 AM EDT THIS MORNING THROUGH LATE TONIGHT... .REST OF TONIGHT...West winds to 30 knots increasing to gales to 40 knots after midnight. Cloudy with a chance of rain showers. A slight chance of waterspouts. Waves 3 to 5 feet building to 7 to 10 feet after midnight. .FRIDAY...Northwest gales to 40 knots veering north early in the afternoon. Rain showers and a slight chance of thunderstorms. A slight chance of waterspouts. Waves 8 to 12 feet building to 13 to 17 feet early in the afternoon. .FRIDAY NIGHT...North gales to 40 knots decreasing to 30 knots after midnight. Partly cloudy with a chance of rain showers. Waves 14 to 18 feet subsiding to 9 to 13 feet after midnight. .SATURDAY...Northeast winds 10 to 20 knots veering southeast 5 to 10 knots in the late morning and early afternoon, then veering southwest early in the afternoon. Sunny. Waves 6 to 8 feet subsiding to 3 to 5 feet in the late morning and afternoon. .SATURDAY NIGHT...Southwest winds 15 to 25 knots. Clear. Waves 1 to 3 feet building to 3 to 5 feet in the late evening and overnight. .SUNDAY...Southwest winds 15 to 25 knots. Sunny. Waves 3 to 5 feet. .MONDAY...Southwest winds 5 to 15 knots. Sunny. Waves 1 to 3 feet. .TUESDAY...South winds 5 to 10 knots veering northwest early in the afternoon. Sunny. Waves less than 1 foot. $$