Nearshore Marine Forecast
Issued by NWS Duluth, MN
Issued by NWS Duluth, MN
768 FZUS53 KDLH 182050 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 350 PM CDT Sat May 18 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. LSZ140-141-190415- Grand Portage to Grand Marais MN- Grand Marais to Taconite Harbor MN- 350 PM CDT Sat May 18 2024 ...SEVERE THUNDERSTORM WATCH 257 IN EFFECT UNTIL 10 PM CDT THIS EVENING... .TONIGHT...Southwest wind 10 to 15 knots with gusts to around 20 knots. Chance of showers and thunderstorms early in the evening. Waves 1 to 3 feet. .SUNDAY...Southwest wind 15 to 20 knots. Gusts up to 25 knots in the afternoon. Sunny. Waves 1 to 3 feet building to 2 to 4 feet in the late morning and afternoon. A small craft advisory may be needed. .SUNDAY NIGHT...Southwest wind 10 to 15 knots with gusts to around 20 knots becoming north 5 knots after midnight, then becoming east early in the morning. Slight chance of rain showers in the evening, then chance of rain showers after midnight. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .MONDAY...Northeast wind 5 to 10 knots. Chance of rain showers. Waves 1 to 2 feet. $$ LSZ142-143-190415- Taconite Harbor to Silver Bay Harbor MN- Silver Bay Harbor to Two Harbors MN- 350 PM CDT Sat May 18 2024 .TONIGHT...Southwest wind 10 to 15 knots. Gusts up to 20 knots in the evening. Mostly clear. Waves 1 to 3 feet. .SUNDAY...Southwest wind 10 to 15 knots. Mostly sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...South wind 5 to 10 knots becoming northeast after midnight. Slight chance of rain showers in the evening, then chance of rain showers after midnight. Waves 1 to 2 feet. .MONDAY...Northeast wind 5 to 10 knots. Chance of rain showers. Waves 1 to 2 feet. $$ LSZ144-145-190415- Two Harbors to Duluth MN-Duluth MN to Port Wing WI- 350 PM CDT Sat May 18 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... .TONIGHT...West wind 15 to 20 knots with gusts to around 25 knots becoming southwest 5 to 10 knots late in the night. Mostly clear. Waves 1 to 3 feet subsiding to 1 to 2 feet after midnight. .SUNDAY...Southwest wind 5 to 10 knots. Sunny in the morning then becoming partly sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...East wind 5 to 10 knots. Chance of rain showers in the evening, then rain showers likely after midnight. Waves 1 foot or less. .MONDAY...Northeast wind 10 to 15 knots. Rain showers likely in the morning, then chance of rain showers in the afternoon. Waves 1 to 2 feet. $$ LSZ146-190415- Port Wing to Sand Island WI- 350 PM CDT Sat May 18 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... .TONIGHT...Southwest wind 10 to 15 knots. Gusts up to 20 knots until early morning. Mostly clear. Waves 1 to 3 feet subsiding to 1 to 2 feet late in the night. .SUNDAY...Southwest wind 10 knots rising to 10 to 15 knots in the late morning and afternoon. Mostly sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...Southeast wind 5 to 10 knots becoming east early in the morning. Chance of rain showers in the evening, then rain showers likely after midnight. Waves 1 foot or less. .MONDAY...East wind 5 to 10 knots becoming northeast 10 to 15 knots in the afternoon. Rain showers likely in the morning, then chance of rain showers in the afternoon. Waves 1 to 2 feet. $$ LSZ147-190415- Sand Island to Bayfield WI- 350 PM CDT Sat May 18 2024 ...SEVERE THUNDERSTORM WATCH 257 IN EFFECT UNTIL 10 PM CDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... .TONIGHT...West wind 10 to 15 knots. Gusts up to 20 knots until early morning. Mostly clear. Waves 1 to 3 feet subsiding to 1 to 2 feet late in the night. .SUNDAY...Southwest wind 10 to 15 knots. Mostly sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...Southeast wind 5 to 10 knots becoming east early in the morning. Chance of rain showers in the evening, then rain showers likely after midnight. Waves 1 foot or less. .MONDAY...East wind 5 to 10 knots becoming northeast 10 to 15 knots in the afternoon. Rain showers likely in the morning, then chance of rain showers in the afternoon. Waves 1 to 2 feet. $$ LSZ150-190415- Outer Apostle Islands Beyond 5 NM from Mainland- 350 PM CDT Sat May 18 2024 ...SEVERE THUNDERSTORM WATCH 257 IN EFFECT UNTIL 10 PM CDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... .TONIGHT...West wind 10 to 15 knots with gusts to around 20 knots. Slight chance of showers and thunderstorms early in the evening. Waves 1 to 3 feet. .SUNDAY...Southwest wind 10 to 15 knots. Mostly sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...Southeast wind 5 to 10 knots. Chance of rain showers through the night. Waves 1 to 2 feet. .MONDAY...East wind 5 to 10 knots becoming northeast 10 to 15 knots in the afternoon. Chance of rain showers. Waves 1 to 2 feet. $$ LSZ121-190415- Chequamegon Bay-Bayfield to Oak Point WI- 350 PM CDT Sat May 18 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... ...SEVERE THUNDERSTORM WATCH 257 IN EFFECT UNTIL 10 PM CDT THIS EVENING... .TONIGHT...West wind 10 to 15 knots with gusts to around 20 knots becoming southwest 5 to 10 knots with gusts to around 20 knots in the late evening and overnight. Mostly clear. Waves 1 foot or less. .SUNDAY...Southwest wind 5 to 10 knots. Sunny in the morning then becoming partly sunny. Waves 1 foot or less. .SUNDAY NIGHT...Southeast wind 5 knots. Chance of rain showers in the evening, then rain showers likely after midnight. Waves 1 foot or less. .MONDAY...Southeast wind 5 to 10 knots becoming north in the afternoon. Rain showers likely in the morning. Slight chance of thunderstorms through the day. Chance of rain showers in the afternoon. Waves 1 foot or less. $$ LSZ148-190415- Oak Point to Saxon Harbor WI- 350 PM CDT Sat May 18 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... ...SEVERE THUNDERSTORM WATCH 257 IN EFFECT UNTIL 10 PM CDT THIS EVENING... .TONIGHT...Southwest wind 10 to 15 knots. Gusts up to 20 knots in the evening. Slight chance of showers and thunderstorms early in the evening. Waves 1 to 2 feet. .SUNDAY...Southwest wind 5 to 10 knots. Sunny in the morning then becoming partly sunny. Waves 1 foot or less. .SUNDAY NIGHT...Southeast wind 5 to 10 knots. Chance of rain showers in the evening, then rain showers likely after midnight. Waves 1 foot or less. .MONDAY...Southeast wind 5 to 10 knots becoming north in the afternoon. Rain showers likely in the morning. Slight chance of thunderstorms through the day. Chance of rain showers in the afternoon. Waves 1 foot or less. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes JDS