Nearshore Marine Forecast
Issued by NWS Duluth, MN
Issued by NWS Duluth, MN
332 FZUS53 KDLH 181503 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 1003 AM 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. LSZ140-141-182215- Grand Portage to Grand Marais MN- Grand Marais to Taconite Harbor MN- 1003 AM CDT Sat May 18 2024 .REST OF TODAY...East wind 5 to 10 knots becoming southeast late. Rain showers likely and slight chance of thunderstorms late in the morning, then chance of showers and thunderstorms in the afternoon. Waves 1 to 3 feet. .TONIGHT...Southwest wind 10 to 15 knots with gusts to around 20 knots. Mostly clear. 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. .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 1 to 3 feet subsiding to 1 to 2 feet in the late evening and overnight. $$ LSZ142-143-182215- Taconite Harbor to Silver Bay Harbor MN- Silver Bay Harbor to Two Harbors MN- 1003 AM CDT Sat May 18 2024 .REST OF TODAY...Northeast wind 10 to 15 knots becoming southwest with gusts to around 20 knots late. Slight chance of thunderstorms late in the morning. Chance of rain showers through the day. Chance of thunderstorms in the afternoon. Waves 1 to 3 feet. .TONIGHT...Southwest wind 10 to 15 knots. Gusts up to 20 knots in the evening. Mostly clear. Waves 1 to 3 feet. .SUNDAY...Southwest wind 10 to 15 knots. Mostly sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...South wind 5 to 10 knots becoming northeast after midnight. Slight chance of rain showers. Waves 1 to 2 feet. $$ LSZ144-145-182215- Two Harbors to Duluth MN-Duluth MN to Port Wing WI- 1003 AM CDT Sat May 18 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 10 PM CDT THIS EVENING... .REST OF TODAY...Northeast wind 10 to 15 knots with gusts to around 20 knots becoming west with gusts to around 25 knots late. Slight chance of showers and thunderstorms late in the morning. Chance of showers and thunderstorms in the afternoon. Waves 1 to 3 feet. .TONIGHT...West wind 15 to 20 knots with gusts to around 25 knots becoming southwest 5 to 10 knots early in the morning. Clear. Waves 2 to 4 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 and slight chance of thunderstorms after midnight. Waves 1 foot or less. $$ LSZ146-182215- Port Wing to Sand Island WI- 1003 AM CDT Sat May 18 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 10 PM CDT THIS EVENING... .REST OF TODAY...North wind 10 to 15 knots becoming west with gusts to around 20 knots late. Slight chance of thunderstorms late in the morning. Chance of rain showers through the day. Chance of thunderstorms in the afternoon. Waves 1 to 3 feet. .TONIGHT...Southwest wind 10 to 15 knots. Gusts up to 20 knots until early morning. Mostly clear. Waves 2 to 4 feet subsiding to 1 to 2 feet early in the morning. .SUNDAY...Southwest wind 10 knots rising to 10 to 15 knots in the late morning and afternoon. Sunny in the morning then becoming partly sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...Southeast wind 5 to 10 knots becoming east early in the morning. Slight chance of rain showers in the evening, then rain showers likely and slight chance of thunderstorms after midnight. Waves 1 foot or less. $$ LSZ147-182215- Sand Island to Bayfield WI- 1003 AM CDT Sat May 18 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 10 PM CDT THIS EVENING... .REST OF TODAY...East wind 5 to 10 knots becoming west with gusts to around 20 knots early in the afternoon, then rising to 10 to 15 knots with gusts to around 20 knots late. Slight chance of thunderstorms late in the morning. Chance of rain showers through the day. Chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .TONIGHT...West wind 10 to 15 knots. Gusts up to 20 knots until early morning. Mostly clear. 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 becoming east early in the morning. Slight chance of rain showers. Waves 1 foot or less. $$ LSZ150-182215- Outer Apostle Islands Beyond 5 NM from Mainland- 1003 AM CDT Sat May 18 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 10 PM CDT THIS EVENING... .REST OF TODAY...East wind 5 to 10 knots becoming southwest 10 to 15 knots with gusts to around 20 knots late. Slight chance of thunderstorms late in the morning. Chance of rain showers through the day. Chance of thunderstorms in the afternoon. Waves 1 to 3 feet. .TONIGHT...West wind 10 to 15 knots with gusts to around 20 knots. Mostly clear. Waves 2 to 4 feet subsiding to 1 to 3 feet early in the morning. .SUNDAY...Southwest wind 10 to 15 knots. Mostly sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...Southeast wind 5 to 10 knots. Slight chance of rain showers in the evening, then chance of rain showers after midnight. Waves 1 to 2 feet. $$ LSZ121-182215- Chequamegon Bay-Bayfield to Oak Point WI- 1003 AM CDT Sat May 18 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... .REST OF TODAY...South wind 5 to 10 knots with gusts to around 20 knots becoming southwest 10 to 15 knots with gusts to around 25 knots in the afternoon. Slight chance of thunderstorms late in the morning. Chance of rain showers through the day. Chance of thunderstorms in the afternoon. Waves 1 foot or less. .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. Slight chance of showers and thunderstorms in the evening. 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. Slight chance of rain showers in the evening, then rain showers likely and slight chance of thunderstorms after midnight. Waves 1 foot or less. $$ LSZ148-182215- Oak Point to Saxon Harbor WI- 1003 AM CDT Sat May 18 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... .REST OF TODAY...South wind 10 to 15 knots with gusts to around 25 knots becoming southwest with gusts to around 25 knots late. Slight chance of thunderstorms late in the morning. Chance of rain showers through the day. Chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .TONIGHT...Southwest wind 10 to 15 knots. Gusts up to 20 knots in the evening. Slight chance of showers and thunderstorms in the evening. Waves 1 to 2 feet. .SUNDAY...Southwest wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. .SUNDAY NIGHT...Southeast wind 5 to 10 knots. Slight chance of rain showers in the evening, then rain showers likely and slight chance of thunderstorms after midnight. Waves 1 foot or less. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes JDS