Nearshore Marine Forecast
Issued by NWS Duluth, MN
Issued by NWS Duluth, MN
373 FZUS53 KDLH 240838 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 338 AM CDT Fri May 24 2024 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. LSZ140-141-241615- Grand Portage to Grand Marais MN- Grand Marais to Taconite Harbor MN- 338 AM CDT Fri May 24 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... ...GALE WARNING IN EFFECT FROM 10 AM CDT THIS MORNING THROUGH THIS EVENING... .TODAY...Northeast wind up to 30 knots with gales to around 40 knots. Chance of rain showers early in the afternoon. Rain showers likely and slight chance of thunderstorms late in the afternoon. Waves 2 to 4 feet building to 8 to 11 feet. Waves occasionally to 14 feet. .TONIGHT...Northeast wind up to 30 knots with gales to around 35 knots becoming east 15 to 20 knots with gusts to around 30 knots late in the evening, then becoming southwest 10 to 15 knots with gusts to around 25 knots after midnight. Rain showers in the evening. Slight chance of thunderstorms through the night. Chance of rain showers after midnight. Waves 7 to 10 feet subsiding to 4 to 6 feet after midnight. Waves occasionally to 14 feet. A gale warning may be needed. .SATURDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots increasing to 25 knots in the late morning and early afternoon, then decreasing to 20 knots late in the afternoon. Mostly sunny. Waves 4 to 6 feet. Waves occasionally to 7 feet. A small craft advisory may be needed. .SATURDAY NIGHT...Southwest wind 5 to 10 knots becoming south late in the evening, then becoming southwest after midnight becoming northwest early in the morning. Chance of rain showers in the evening. Slight chance of thunderstorms through the night. Slight chance of rain showers after midnight. Waves 1 to 3 feet. $$ LSZ142-143-241615- Taconite Harbor to Silver Bay Harbor MN- Silver Bay Harbor to Two Harbors MN- 338 AM CDT Fri May 24 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... ...GALE WARNING IN EFFECT FROM 10 AM CDT THIS MORNING THROUGH THIS EVENING... .TODAY...Northeast wind up to 30 knots. Gusts up to 30 knots increasing to 35 knots in the late morning and afternoon. Chance of rain showers and slight chance of thunderstorms early in the afternoon. Rain showers and chance of thunderstorms late in the afternoon. Waves 8 to 11 feet. Waves occasionally to 15 feet. .TONIGHT...Northeast wind 20 to 25 knots with gales to around 35 knots becoming southwest 10 to 15 knots with gusts to around 25 knots after midnight. Rain showers likely and chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Waves 8 to 11 feet subsiding to 4 to 6 feet. Waves occasionally to 15 feet. A gale warning may be needed. .SATURDAY...Southwest wind 10 to 15 knots. Gusts up to 25 knots decreasing to 20 knots in the late morning and afternoon. Mostly sunny. Waves 2 to 4 feet. .SATURDAY NIGHT...Southwest wind 5 to 10 knots becoming north early in the morning. Chance of thunderstorms in the evening. Chance of rain showers through the night. Slight chance of thunderstorms after midnight. Waves 1 to 2 feet. $$ LSZ145-241615- Duluth MN to Port Wing WI- 338 AM CDT Fri May 24 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...Northeast wind up to 30 knots. Chance of rain showers in the late morning and early afternoon. Chance of thunderstorms in the afternoon. Rain showers late in the afternoon. Waves 7 to 10 feet. Waves occasionally to 13 feet. .TONIGHT...Northeast wind 15 to 20 knots with gusts to around 25 knots becoming southwest 10 to 15 knots with gusts to around 25 knots in the late evening and overnight. Rain showers likely and chance of thunderstorms in the evening. Waves 7 to 10 feet subsiding to 3 to 5 feet. Waves occasionally to 13 feet. .SATURDAY...Southwest wind 10 to 15 knots with gusts to around 25 knots easing to 10 knots with gusts to around 20 knots late in the afternoon. Mostly sunny. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and afternoon. .SATURDAY NIGHT...Southwest wind 5 to 10 knots becoming east early in the morning. Chance of thunderstorms in the evening. Chance of rain showers through the night. Slight chance of thunderstorms after midnight. Waves 1 to 2 feet. $$ LSZ144-241615- Two Harbors to Duluth MN- 338 AM CDT Fri May 24 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... ...GALE WARNING IN EFFECT FROM 10 AM CDT THIS MORNING THROUGH THIS EVENING... .TODAY...Northeast wind up to 30 knots. Gusts up to 35 knots in the late morning and afternoon. Slight chance of rain showers in the morning, then rain showers and chance of thunderstorms in the afternoon. Waves 7 to 10 feet. Waves occasionally to 13 feet. .TONIGHT...Northeast wind 20 to 25 knots with gusts to around 30 knots becoming southwest 10 to 15 knots with gusts to around 25 knots in the late evening and overnight. Rain showers likely and chance of thunderstorms in the evening. Waves 7 to 10 feet subsiding to 3 to 5 feet. Waves occasionally to 13 feet. A small craft advisory may be needed. .SATURDAY...Southwest wind 10 to 15 knots easing to 10 knots late in the afternoon. Gusts up to 20 knots. Mostly sunny. Waves 1 to 3 feet. .SATURDAY NIGHT...Southwest wind 5 to 10 knots becoming northeast early in the morning. Chance of thunderstorms in the evening. Chance of rain showers through the night. Slight chance of thunderstorms after midnight. Waves 1 to 2 feet. $$ LSZ146-241615- Port Wing to Sand Island WI- 338 AM CDT Fri May 24 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON... .TODAY...Northeast wind 20 to 25 knots with gusts to around 30 knots. Slight chance of rain showers in the morning, then rain showers and chance of thunderstorms in the afternoon. Waves 6 to 9 feet. Waves occasionally to 12 feet. .TONIGHT...Northeast wind 15 to 20 knots with gusts to around 25 knots becoming southwest with gusts to around 30 knots in the late evening and overnight. Rain showers likely and chance of thunderstorms in the evening. Waves 6 to 9 feet subsiding to 3 to 5 feet. Waves occasionally to 12 feet. .SATURDAY...Southwest wind 15 to 20 knots with gusts to around 25 knots easing to 10 knots with gusts to around 20 knots late in the afternoon. Mostly sunny. Waves 3 to 5 feet subsiding to 1 to 3 feet in the afternoon. .SATURDAY NIGHT...Southwest wind 5 to 10 knots becoming south early in the morning. Chance of rain showers and slight chance of thunderstorms through the night. Waves 1 to 2 feet. $$ LSZ147-241615- Sand Island to Bayfield WI- 338 AM CDT Fri May 24 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON... .TODAY...East wind 20 to 25 knots with gusts to around 30 knots. Chance of rain showers and slight chance of thunderstorms early in the afternoon. Rain showers and chance of thunderstorms late in the afternoon. Waves 6 to 9 feet. Waves occasionally to 12 feet. .TONIGHT...East wind 15 to 20 knots with gusts to around 25 knots becoming southwest with gusts to around 25 knots in the late evening and overnight. Rain showers likely and chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Waves 6 to 9 feet subsiding to 3 to 5 feet. Waves occasionally to 11 feet. .SATURDAY...Southwest wind 15 to 20 knots with gusts to around 25 knots easing to 10 knots late in the afternoon. Mostly sunny. Waves 3 to 5 feet subsiding to 1 to 3 feet in the afternoon. .SATURDAY NIGHT...Southwest wind 5 to 10 knots. Chance of rain showers and slight chance of thunderstorms through the night. Waves 1 to 2 feet. $$ LSZ150-241615- Outer Apostle Islands Beyond 5 NM from Mainland- 338 AM CDT Fri May 24 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON... .TODAY...East wind up to 30 knots. Gusts up to 30 knots increasing to 35 knots in the afternoon. Chance of rain showers and slight chance of thunderstorms early in the afternoon. Rain showers and chance of thunderstorms late in the afternoon. Waves 5 to 8 feet building to 8 to 11 feet in the afternoon. Waves occasionally to 15 feet. .TONIGHT...East wind 20 to 25 knots with gusts to around 30 knots becoming south 15 to 20 knots late in the evening, then becoming southwest with gusts to around 30 knots after midnight. Rain showers likely and chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Waves 8 to 11 feet subsiding to 4 to 6 feet. Waves occasionally to 14 feet. .SATURDAY...Southwest wind 15 to 20 knots with gusts to around 25 knots easing to 10 knots late in the afternoon. Mostly sunny. Waves 4 to 6 feet subsiding to 1 to 2 feet. Waves occasionally to 7 feet. .SATURDAY NIGHT...Southwest wind 5 to 10 knots. Chance of rain showers and slight chance of thunderstorms through the night. Waves 1 to 2 feet. $$ LSZ121-241615- Chequamegon Bay-Bayfield to Oak Point WI- 338 AM CDT Fri May 24 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...Northeast wind 15 to 20 knots. Slight chance of rain showers in the morning, then rain showers and chance of thunderstorms in the afternoon. Waves 1 to 3 feet. .TONIGHT...East wind 10 to 15 knots becoming southwest with gusts to around 20 knots late in the evening, then rising to 10 to 15 knots with gusts to around 20 knots after midnight. Rain showers likely and chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Waves 1 to 3 feet. .SATURDAY...Southwest wind 10 to 15 knots easing to 5 to 10 knots in the afternoon. Gusts up to 20 knots. Mostly sunny. Waves 1 foot or less. .SATURDAY NIGHT...Southwest wind 5 to 10 knots. Chance of rain showers and slight chance of thunderstorms through the night. Waves 1 foot or less. $$ LSZ148-241615- Oak Point to Saxon Harbor WI- 338 AM CDT Fri May 24 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...East wind 20 to 25 knots. Chance of rain showers early in the afternoon. Chance of thunderstorms in the afternoon. Rain showers late in the afternoon. Waves 4 to 6 feet. Waves occasionally to 8 feet. .TONIGHT...Southeast wind 10 to 15 knots with gusts to around 20 knots becoming southwest with gusts to around 25 knots in the late evening and overnight. Rain showers likely and chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Waves 4 to 6 feet subsiding to 1 to 3 feet. Waves occasionally to 8 feet. .SATURDAY...Southwest wind 10 to 15 knots with gusts to around 25 knots easing to 5 to 10 knots with gusts to around 20 knots in the afternoon. Mostly sunny. Waves 1 to 2 feet. .SATURDAY NIGHT...Southwest wind 5 to 10 knots becoming south early in the morning. Chance of rain showers in the evening. Slight chance of thunderstorms through the night. Slight chance of rain showers after midnight. Waves 1 foot or less. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes Britt