Nearshore Marine Forecast
Issued by NWS Duluth, MN
Issued by NWS Duluth, MN
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876 FZUS53 KDLH 250259 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 959 PM 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. LSZ140-141-251015- Grand Portage to Grand Marais MN- Grand Marais to Taconite Harbor MN- 959 PM CDT Fri May 24 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON... .REST OF TONIGHT...East wind 15 to 20 knots with gusts to around 30 knots becoming southwest with gusts to around 25 knots toward daybreak. Chance of rain showers and slight chance of thunderstorms in the late evening and early morning. Waves 6 to 9 feet subsiding to 4 to 6 feet after midnight. Waves occasionally to 12 feet. .SATURDAY...Southwest wind 20 to 25 knots. Gusts up to 25 knots increasing to 30 knots late in the morning. Mostly sunny. Waves 4 to 7 feet. Waves occasionally to 9 feet. .SATURDAY NIGHT...South wind 10 to 15 knots with gusts to around 20 knots becoming northwest 5 knots after midnight. Slight chance of rain showers in the evening. Slight chance of thunderstorms through the night. Chance of rain showers after midnight. Waves 3 to 5 feet subsiding to 1 to 2 feet after midnight. A small craft advisory may be needed. .SUNDAY...Northeast wind 10 to 15 knots. Chance of rain showers through the day. Waves 1 to 2 feet. $$ LSZ142-143-251015- Taconite Harbor to Silver Bay Harbor MN- Silver Bay Harbor to Two Harbors MN- 959 PM CDT Fri May 24 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON... .REST OF TONIGHT...North wind 15 to 20 knots becoming southwest after midnight. Gusts up to 25 knots. Chance of thunderstorms and slight chance of rain showers late in the evening. Waves 7 to 10 feet subsiding to 4 to 7 feet after midnight. Waves occasionally to 13 feet. .SATURDAY...Southwest wind 15 to 20 knots. Gusts up to 25 knots until late afternoon. Mostly sunny. Waves 3 to 5 feet. Waves occasionally to 7 feet. .SATURDAY NIGHT...Southwest wind 10 to 15 knots becoming west 5 knots after midnight, then becoming north early in the morning. Chance of rain showers and slight chance of thunderstorms. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late evening and overnight. .SUNDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the afternoon. Chance of rain showers through the day. Waves 1 to 2 feet. $$ LSZ144-145-251015- Two Harbors to Duluth MN-Duluth MN to Port Wing WI- 959 PM CDT Fri May 24 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON... .REST OF TONIGHT...East wind 15 to 20 knots becoming southwest after midnight. Gusts up to 25 knots. Mostly cloudy. Waves 6 to 9 feet subsiding to 4 to 6 feet after midnight. Waves occasionally to 12 feet. .SATURDAY...Southwest wind 15 to 20 knots with gusts to around 25 knots. Slight chance of showers and thunderstorms in the afternoon. Waves 3 to 5 feet. .SATURDAY NIGHT...Southwest wind 10 to 15 knots with gusts to around 20 knots becoming west 5 knots after midnight, then 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 3 feet subsiding to 1 to 2 feet in the late evening and overnight. .SUNDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the afternoon. Chance of rain showers through the day. Waves 1 to 3 feet. $$ LSZ146-251015- Port Wing to Sand Island WI- 959 PM CDT Fri May 24 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON... .REST OF TONIGHT...Northwest wind 15 to 20 knots becoming southwest with gusts to around 30 knots after midnight. Chance of thunderstorms and slight chance of rain showers late in the evening. Waves 5 to 8 feet subsiding to 4 to 6 feet after midnight. Waves occasionally to 11 feet. .SATURDAY...Southwest wind 20 to 25 knots. Mostly sunny. Waves 4 to 6 feet. Waves occasionally to 7 feet. .SATURDAY NIGHT...Southwest wind 10 to 15 knots becoming northeast 5 knots early in the morning. Chance of rain showers and slight chance of thunderstorms. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late evening and overnight. .SUNDAY...Northeast wind 10 to 15 knots. Slight chance of thunderstorms in the morning. Chance of rain showers through the day. Waves 1 to 3 feet. $$ LSZ147-251015- Sand Island to Bayfield WI- 959 PM CDT Fri May 24 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON... .REST OF TONIGHT...Southeast wind 10 to 15 knots with gusts to around 20 knots becoming southwest 15 to 20 knots with gusts to around 25 knots after midnight. Chance of showers and thunderstorms late in the evening. Waves 4 to 7 feet subsiding to 3 to 5 feet after midnight. Waves occasionally to 9 feet. .SATURDAY...Southwest wind 20 to 25 knots. Sunny. Waves 3 to 5 feet. Waves occasionally to 7 feet. .SATURDAY NIGHT...Southwest wind 10 to 15 knots becoming northwest 5 knots early in the morning. Chance of rain showers and slight chance of thunderstorms. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late evening and overnight. .SUNDAY...Northeast wind 10 to 15 knots with gusts to around 20 knots. Chance of rain showers through the day. Waves 1 to 3 feet. $$ LSZ150-251015- Outer Apostle Islands Beyond 5 NM from Mainland- 959 PM CDT Fri May 24 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON... .REST OF TONIGHT...Southeast wind 15 to 20 knots becoming southwest with gusts to around 25 knots after midnight. Chance of showers and thunderstorms late in the evening. Waves 6 to 9 feet subsiding to 4 to 6 feet after midnight. Waves occasionally to 12 feet. .SATURDAY...Southwest wind 20 to 25 knots. Sunny. Waves 4 to 6 feet. Waves occasionally to 8 feet. .SATURDAY NIGHT...Southwest wind 10 to 15 knots easing to 5 knots early in the morning. Chance of rain showers and slight chance of thunderstorms. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late evening and overnight. .SUNDAY...East wind 10 to 15 knots becoming northeast with gusts to around 20 knots late in the afternoon. Chance of rain showers through the day. Waves 1 to 3 feet. $$ LSZ121-251015- Chequamegon Bay-Bayfield to Oak Point WI- 959 PM CDT Fri May 24 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT SATURDAY... .REST OF TONIGHT...West wind 10 to 15 knots with gusts to around 20 knots becoming southwest 15 to 20 knots with gusts to around 25 knots after midnight. Chance of showers and thunderstorms late in the evening. Waves 1 to 2 feet. .SATURDAY...Southwest wind 15 to 20 knots easing to 10 to 15 knots in the afternoon. Slight chance of showers and thunderstorms in the afternoon. Waves 1 to 2 feet. .SATURDAY NIGHT...Southwest wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Chance of rain showers and slight chance of thunderstorms. Waves 1 foot or less. .SUNDAY...Northeast wind 5 to 10 knots. Slight chance of showers and thunderstorms in the morning, then chance of rain showers in the afternoon. Waves 1 foot or less. $$ LSZ148-251015- Oak Point to Saxon Harbor WI- 959 PM CDT Fri May 24 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT SATURDAY... .REST OF TONIGHT...South wind 10 to 15 knots with gusts to around 20 knots becoming southwest 15 to 20 knots with gusts to around 25 knots after midnight. Chance of showers and thunderstorms late in the evening. Waves 3 to 5 feet. .SATURDAY...Southwest wind 15 to 20 knots. Gusts up to 25 knots early in the morning. Slight chance of showers and thunderstorms in the afternoon. Waves 1 to 3 feet. .SATURDAY NIGHT...Southwest wind 5 to 10 knots. Chance of rain showers and slight chance of thunderstorms. Waves 1 to 2 feet. .SUNDAY...East wind 5 to 10 knots becoming northeast in the afternoon. Chance of rain showers in the afternoon. Waves 1 to 2 feet. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes Unruh