678 FZUS53 KDLH 151708 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 1208 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. LSZ140-152200- Grand Portage to Grand Marais MN- 1208 PM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY AFTERNOON... .REST OF TODAY...Southeast wind 5 to 10 knots. Rain showers. Waves 1 to 2 feet. .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 to 2 feet building to 3 to 5 feet early in the morning. A gale warning may be needed. .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 1 to 3 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 southwest 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. $$ LSZ141-152200- Grand Marais to Taconite Harbor MN- 1208 PM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY AFTERNOON... .REST OF TODAY...Southeast wind 5 knots becoming southwest late. Rain showers. Waves 1 foot or less. .TONIGHT...Northwest wind 5 to 10 knots becoming north 20 to 25 knots with gales to around 35 knots after midnight. Rain showers likely in the evening, then chance of rain showers after midnight. Waves 1 foot or less building to 2 to 4 feet early in the morning. A gale warning may be needed. .FRIDAY...North wind up to 30 knots with gales to around 35 knots becoming northwest 10 to 15 knots with gusts to around 25 knots late in the afternoon. Mostly sunny. Waves 3 to 5 feet subsiding to 1 to 2 feet late in the afternoon. .FRIDAY NIGHT...Northwest wind 10 to 15 knots with gusts to around 20 knots becoming west with gusts to around 25 knots after midnight. Partly cloudy. Waves 1 to 2 feet. $$ LSZ142-152200- Taconite Harbor to Silver Bay Harbor MN- 1208 PM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY AFTERNOON... .REST OF TODAY...South wind 5 knots becoming southwest late. Rain showers. Waves 1 foot or less. .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 early in the morning. Rain showers likely in the evening, then chance of rain showers after midnight. Waves 1 foot or less building to 1 to 3 feet early in the morning. A gale warning may be needed. .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 southwest 10 to 15 knots with gusts to around 25 knots after midnight. Mostly clear. Waves 1 foot or less. $$ LSZ143-152200- Silver Bay Harbor to Two Harbors MN- 1208 PM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY AFTERNOON... .REST OF TODAY...West wind 5 knots becoming southwest late. Rain showers. Waves 1 foot or less. .TONIGHT...West wind 5 knots becoming northwest 10 to 15 knots with gusts to around 25 knots after midnight, then becoming north 20 to 25knots with gales to around 35 knots early in the morning. Rain showers in the evening, then chance of rain showers after midnight. Waves 1 foot or less building to 1 to 3 feet early in the morning. A gale warning may be needed. .FRIDAY...North wind 20 to 25 knots with gales to around 40 knots easing to 10 to 15 knots with gusts to around 25 knots late in the afternoon. Partly sunny in the morning then clearing. Waves 3 to 5 feet subsiding to 1 to 2 feet late in the afternoon. Waves occasionally to 7 feet. .FRIDAY NIGHT...Northwest wind 5 to 10 knots with gusts to around 20 knots becoming southwest 10 to 15 knots with gusts to around 25 knots after midnight. Mostly clear. Waves 1 to 2 feet. $$ LSZ144-152200- Two Harbors to Duluth MN- 1208 PM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY AFTERNOON... .REST OF TODAY...Southwest wind 5 knots. Rain showers. Waves 1 foot or less. .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 early in the morning. Rain showers likely in the evening, then chance of rain showers after midnight. Waves 1 to 2 feet building to 2 to 4 feet early in the morning. A gale warning may be needed. .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 after midnight. Mostly clear. Waves 1 to 2 feet. $$ LSZ145-152200- Duluth MN to Port Wing WI- 1208 PM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY AFTERNOON... .REST OF TODAY...West wind 5 knots. Rain showers. Waves 1 foot or less. .TONIGHT...West wind 5 to 10 knots becoming north 20 to 25 knots with gales to around 35 knots after midnight. Rain showers likely. Waves 1 to 3 feet building to 3 to 5 feet early in the morning. Waves occasionally to 7 feet. A gale warning may be needed. .FRIDAY...North wind up to 30 knots with gales to around 40 knots easing to 10 to 15 knots with gusts to around 25 knots late in the afternoon. Slight chance of rain showers in the morning. Waves 5 to 8 feet subsiding to 2 to 4 feet late in the afternoon. Waves occasionally to 10 feet. .FRIDAY NIGHT...Northwest wind 10 to 15 knots with gusts to around 20 knots becoming southwest with gusts to around 25 knots after midnight. Mostly clear. Waves 1 to 2 feet. $$ LSZ146-152200- Port Wing to Sand Island WI- 1208 PM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY AFTERNOON... .REST OF TODAY...West wind 5 knots. Rain showers. Waves 1 foot or less. .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 early in the morning. Rain showers in the evening, then rain showers likely after midnight. Waves 1 to 2 feet building to 3 to 5 feet early in the morning. Waves occasionally to 7 feet. A gale warning may be needed. .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 11 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 early in the morning. Mostly clear. Waves 1 to 3 feet. $$ LSZ147-152200-Sand Island to Bayfield WI- 1208 PM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY AFTERNOON... .REST OF TODAY...Southwest wind 5 knots becoming west late. Rain showers. Waves 1 foot or less. .TONIGHT...Northwest wind 5 to 10 knots rising to 15 to 20 knots with gusts to around 25 knots after midnight, then becoming north up to 30 knots with gales to around 40 knots early in the morning. Rain showers in the evening, then rain showers likely after midnight. Waves 1 to 2 feet building to 3 to 5 feet early in the morning. Waves occasionally to 7 feet. A gale warning may be needed. .FRIDAY...North wind up to 30 knots with gales to around 40 knots easing to 15 to 20 knots with gusts to around 25 knots late in the afternoon. Slight chance of rain showers in the morning. Waves 6 to 9 feet subsiding to 3 to 5 feet late in the afternoon. Waves occasionally to 12 feet. .FRIDAY NIGHT...Northwest wind 10 to 15 knots with gusts to around 20 knots becoming southwest with gusts to around 25 knots after midnight. Mostly clear. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late evening and overnight. $$ LSZ150-152200- Outer Apostle Islands Beyond 5 NM from Mainland- 1208 PM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY AFTERNOON... .REST OF TODAY...Southwest wind 5 knots becoming west late. Rain showers. Waves 1 foot or less. .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 early in the morning. Rain showers in the evening, then chance of rain showers after midnight. Waves 1 to 2 feet building to 3 to 5 feet early in the morning. Waves occasionally to 7 feet. A gale warning may be needed. .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 8 to 11 feet subsiding to 4 to 7 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 15 to 20 knots with gusts to around 25 knots early in the morning. Mostly clear. Waves 3 to 5 feet subsiding to 1 to 3 feet after midnight. A small craft advisory may be needed. $$ LSZ121-152200- Chequamegon Bay-Bayfield to Oak Point WI- 1208 PM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY AFTERNOON... .REST OF TODAY...West wind 5 knots. Rain showers. Waves 1 foot or less. .TONIGHT...Northwest wind 10 to 15 knots with gusts to around 20 knots becoming north 20 to 25 knots with gales to around 35 knots early in the morning. Rain showers. Waves 1 to 2 feet. A gale warning may be needed. .FRIDAY...North wind 20 to 25 knots. Gales up to 40 knots decreasing to 25 knots. Chance of rain showers in the morning. Waves 1 to 3 feet subsiding to 1 to 2 feet late in the afternoon. .FRIDAY NIGHT...North wind 5 to 10 knots with gusts to around 20 knots becoming southwest after midnight. Mostly clear. Waves 1 foot or less. $$ LSZ148-152200- Oak Point to Saxon Harbor WI- 1208 PM CDT Thu Oct 15 2026 ...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY AFTERNOON... .REST OF TODAY...Variable winds 10 knots or less becoming west 5 knots late. Rain showers. Waves 1 foot or less. .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 early in the morning. Rain showers. Waves 1 to 2 feet building to 3 to 5 feet early in the morning. A gale warning may be needed. .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 7 to 10 feet subsiding to 4 to 7 feet late in the afternoon. Waves occasionally to 13 feet. .FRIDAY NIGHT...Northwest wind 10 to 15 knots with gusts to around 25 knots becoming southwest 5 to 10 knots with gusts to around 20 knots after midnight. Mostly clear. Waves 3 to 5 feet subsiding to 1 to 2 feet after midnight. A small craft advisory may be needed. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH  335 FZUS53 KGRR 151716 NSHGRR Nearshore Marine Forecast National Weather Service Grand Rapids MI 116 PM EDT Thu Oct 15 2026 For waters within five nautical miles of shore on Lake Michigan LMZ849-160800- Pentwater to Manistee MI- 116 PM EDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM EDT THIS EVENING THROUGH FRIDAY MORNING... ...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH LATE FRIDAY NIGHT... .THROUGH EARLY EVENING...Southeast winds 10 to 15 knots. Rain showers. Waves around 1 foot. .TONIGHT...East winds 10 to 15 knots becoming north to 30 knots after midnight. Rain showers. A slight chance of waterspouts after midnight. Waves 1 foot or less building to 3 to 5 feet after midnight. .FRIDAY...North gales to 45 knots. Rain showers. A slight chance of waterspouts. Waves 7 to 10 feet building to 10 to 14 feet early in the afternoon. .FRIDAY NIGHT...North gales to 45 knots decreasing to 30 knots after midnight. Mostly cloudy with rain showers likely. Waves 10 to 14 feet subsiding to 6 to 9 feet after midnight. .SATURDAY...Northwest winds 10 to 20 knots backing west 15 to 25 knots in the late morning and afternoon. Sunny. Waves 3 to 6 feet. .SATURDAY NIGHT...Southwest winds to 30 knots. Clear. Waves 6 to 9 feet. .SUNDAY...Southwest gales to 35 knots. Sunny. Waves 8 to 12 feet. .MONDAY...Southwest winds 15 to 25 knots. Mostly sunny. Waves 4 to 6 feet. .TUESDAY...South winds 5 to 10 knots veering west early in the afternoon. Mostly sunny. Waves around 1 foot. $$ LMZ848-160800- Whitehall to Pentwater MI- 116 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 2 feet building to 4 to 6 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 7 to 11 feet building to 10 to 14 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 10 to 14 feet subsiding to 6 to 9 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 4 to 6 feet subsiding to 2 to 4 feet early in the afternoon. .TUESDAY...Southwest winds 5 to 10 knots. Mostly sunny. Waves around 1 foot. $$ LMZ847-160800- Grand Haven to Whitehall MI- 116 PM EDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM EDT THIS EVENING THROUGH FRIDAY MORNING... ...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH LATE FRIDAY NIGHT... .THROUGH EARLY EVENING...Southeast winds 15 to 20 knots. Rain showers. Waves 1 to 2 feet. .TONIGHT...Southeast winds 15 to 25 knots veering south in the late evening and early morning, then becoming west gales to 35 knots after midnight. Rain showers and a slight chance of thunderstorms in the evening, then a chance of rain showers and a slight chance of thunderstorms after midnight. A slight chance of waterspouts after midnight. Waves 1 to 3 feet building to 4 to 6 feet after midnight. .FRIDAY...Northwest gales to 40 knots veering north gales to 45 knots early in the afternoon. Rain showers. A slight chance of waterspouts. Waves 7 to 11 feet. .FRIDAY NIGHT...North gales to 45 knots decreasing to 15 to 25 knots after midnight. Partly cloudy with a chance of rain showers. Waves 7 to 11 feet subsiding to 5 to 7 feet after midnight. .SATURDAY...Northeast winds 5 to 15 knots backing west in the late morning and early afternoon, then backing southwest 15 to 25 knots early in the afternoon. Sunny. Waves 3 to 5 feet subsiding to 2 to 4 feet in the late morning and afternoon. .SATURDAY NIGHT...Southwest winds to 30 knots increasing to gales to 35 knots after midnight. Mostly clear. Waves 6 to 8 feet building to 6 to 9 feet after midnight. .SUNDAY...Southwest gales to 35 knots. Sunny. Waves 7 to 11 feet. .MONDAY...Southwest winds 15 to 25 knots. Mostly sunny. Waves 4 to 6 feet subsiding to 2 to 4 feet early in the afternoon. .TUESDAY...South winds 5 to 10 knots veering west early in the afternoon. Mostly sunny. Waves around 1 foot. $$ LMZ846-160800- Holland to Grand Haven MI- 116 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 5 to 7 feet. .FRIDAY...Northwest gales to 40 knots veering north early in the afternoon. Rain showers. A slight chance of waterspouts. Waves 7 to 10 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 10 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 4 to 6 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 subsiding to 2 to 4 feet early in the afternoon. .TUESDAY...South winds 5 to 10 knots veering west early in the afternoon. Sunny. Waves 1 foot or less. $$ LMZ845-160800- South Haven to Holland MI- 116 PM EDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM EDT THIS EVENING THROUGH FRIDAY MORNING... ...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH LATE FRIDAY NIGHT... .THROUGH EARLY EVENING...Southeast winds 15 to 20 knots. Rain showers. Waves around 1 foot. .TONIGHT...Southeast winds 15 to 20 knots veering south to 30 knots in the late evening and early morning, then becoming west gales to 40 knots after midnight. Rain showers and a slight chance of thunderstorms in the evening, then a chance of rain showers after midnight. A slight chance of waterspouts after midnight. Waves around 1 foot building to 6 to 8 feet. .FRIDAY...Northwest gales to 40 knots veering north early in the afternoon. Mostly cloudy with a chance of rain showers. A slight chance of waterspouts. Waves 7 to 11 feet. .FRIDAY NIGHT...North gales to 40 knots decreasing to 15 to 25 knots after midnight. Partly cloudy with a chance of rain showers. Waves 8 to 12 feet. .SATURDAY...Northeast winds 10 to 20 knots veering southeast 5 to 10 knots in the late morning and early afternoon, then veering southwest early in the afternoon. Sunny. Waves 4 to 6 feet subsiding to 2 to 4 feet early in the afternoon. .SATURDAY NIGHT...Southwest winds to 30 knots. Clear. Waves 2 to 4 feet building to 4 to 6 feet in the late evening and overnight. .SUNDAY...Southwest winds to 30 knots. Sunny. Waves 5 to 7 feet. .MONDAY...Southwest winds 10 to 20 knots. Mostly sunny. Waves 3 to 5 feet subsiding to 2 to 4 feet early in the afternoon. .TUESDAY...South winds 5 to 10 knots veering west early in the afternoon. Sunny. Waves 1 foot or less. $$ LMZ844-160800- St Joseph to South Haven MI- 116 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 6 to 9 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 7 to 10 feet building to 9 to 13 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 11 to 15 feet. .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 after midnight. .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. $$