Nearshore Marine Forecast
Issued by NWS Duluth, MN
Issued by NWS Duluth, MN
500 FZUS53 KDLH 171500 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 1000 AM CDT Fri May 17 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. LSZ140-141-172200- Grand Portage to Grand Marais MN- Grand Marais to Taconite Harbor MN- 1000 AM CDT Fri May 17 2024 .REST OF TODAY...South wind 5 to 10 knots becoming east late. Slight chance of thunderstorms early in the afternoon. Chance of rain showers in the afternoon. Waves 1 foot or less. .TONIGHT...Northeast wind 10 to 15 knots. Chance of rain showers and slight chance of thunderstorms in the evening. Waves 1 to 2 feet. .SATURDAY...East wind 5 to 10 knots becoming southeast late in the afternoon. Patchy fog in the morning. Chance of rain showers and slight chance of thunderstorms through the day. Waves 1 to 3 feet. .SATURDAY NIGHT...West wind 5 to 10 knots. Mostly clear. Waves 1 to 3 feet. $$ LSZ142-143-172200- Taconite Harbor to Silver Bay Harbor MN- Silver Bay Harbor to Two Harbors MN- 1000 AM CDT Fri May 17 2024 .REST OF TODAY...East wind 5 to 10 knots becoming northeast 15 to 20 knots in the afternoon. Chance of rain showers through the day. Slight chance of thunderstorms in the afternoon. Waves 1 to 2 feet building to 1 to 3 feet late. .TONIGHT...Northeast wind 15 to 20 knots easing to 5 to 10 knots after midnight. Slight chance of thunderstorms in the evening. Chance of rain showers through the night. Chance of thunderstorms after midnight. Patchy fog after midnight. Waves 1 to 3 feet. .SATURDAY...Northeast wind 5 to 10 knots becoming southwest 10 to 15 knots with gusts to around 20 knots late in the afternoon. Patchy fog in the morning. Chance of rain showers and slight chance of thunderstorms through the day. Waves 1 to 2 feet. .SATURDAY NIGHT...West wind 10 to 15 knots. Gusts up to 20 knots early in the evening. Mostly clear. Waves 1 to 2 feet. $$ LSZ144-172200- Two Harbors to Duluth MN- 1000 AM CDT Fri May 17 2024 .REST OF TODAY...Northeast wind 15 to 20 knots. Patchy fog late in the morning. Chance of rain showers through the day. Slight chance of thunderstorms in the afternoon. Waves 1 to 2 feet building to 1 to 3 feet late. .TONIGHT...Northeast wind 15 to 20 knots easing to 5 to 10 knots after midnight. Slight chance of thunderstorms in the evening. Chance of rain showers through the night. Chance of thunderstorms after midnight. Patchy fog after midnight. Waves 1 to 3 feet subsiding to 1 to 2 feet early in the morning. .SATURDAY...East wind 10 to 15 knots becoming southeast with gusts to around 20 knots early in the afternoon, then becoming southwest with gusts to around 20 knots late in the afternoon. Patchy fog in the morning. Chance of thunderstorms in the morning. Chance of rain showers through the day. Slight chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .SATURDAY NIGHT...West wind 10 to 15 knots. Gusts up to 20 knots early in the evening. Clear. Waves 1 to 3 feet. $$ LSZ145-172200- Duluth MN to Port Wing WI- 1000 AM CDT Fri May 17 2024 .REST OF TODAY...Northeast wind 15 to 20 knots. Patchy fog late in the morning. Chance of rain showers through the day. Slight chance of thunderstorms early in the afternoon, then chance of thunderstorms late. Waves 1 to 2 feet building to 1 to 3 feet late. .TONIGHT...Northeast wind 15 to 20 knots easing to 5 to 10 knots after midnight. Patchy fog through the night. Chance of showers and thunderstorms in the evening. Slight chance of showers and thunderstorms after midnight. Waves 2 to 4 feet subsiding to 1 to 2 feet early in the morning. .SATURDAY...East wind 10 to 15 knots with gusts to around 20 knots becoming west with gusts to around 20 knots late in the afternoon. Patchy fog in the morning. Chance of rain showers and slight chance of thunderstorms through the day. Waves 1 to 3 feet. .SATURDAY NIGHT...West wind 15 to 20 knots becoming southwest 5 to 10 knots after midnight. Clear. Waves 1 to 3 feet. $$ LSZ146-172200- Port Wing to Sand Island WI- 1000 AM CDT Fri May 17 2024 .REST OF TODAY...Northeast wind 15 to 20 knots. Patchy fog late in the morning. Slight chance of rain showers late in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Waves 1 to 2 feet building to 1 to 3 feet late. .TONIGHT...Northeast wind 15 to 20 knots easing to 5 to 10 knots after midnight. Chance of rain showers and slight chance of thunderstorms in the evening. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight. .SATURDAY...East wind 5 to 10 knots becoming north early in the afternoon, then becoming west with gusts to around 20 knots late in the afternoon. Chance of rain showers and slight chance of thunderstorms. Waves 1 to 2 feet. .SATURDAY NIGHT...Southwest wind 10 to 15 knots. Gusts up to 20 knots in the evening. Mostly clear. Waves 1 to 3 feet. $$ LSZ147-172200- Sand Island to Bayfield WI- 1000 AM CDT Fri May 17 2024 .REST OF TODAY...East wind 10 to 15 knots becoming northeast late. Slight chance of rain showers late in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .TONIGHT...Northeast wind 10 to 15 knots. Chance of showers and thunderstorms in the evening. Waves 1 to 3 feet. .SATURDAY...Southeast wind 5 to 10 knots becoming southwest 10 to 15 knots with gusts to around 20 knots in the afternoon. Slight chance of rain showers in the morning. Slight chance of thunderstorms through the day. Chance of rain showers in the afternoon. Waves 1 to 2 feet. .SATURDAY NIGHT...Southwest wind 10 to 15 knots. Gusts up to 20 knots in the evening. Mostly clear. Waves 1 to 3 feet. $$ LSZ150-172200- Outer Apostle Islands Beyond 5 NM from Mainland- 1000 AM CDT Fri May 17 2024 .REST OF TODAY...Southeast wind 5 to 10 knots becoming east 10 to 15 knots in the afternoon. Slight chance of rain showers early in the afternoon. Chance of rain showers and slight chance of thunderstorms late. Waves 1 to 2 feet. .TONIGHT...East wind 10 to 15 knots. Chance of rain showers and slight chance of thunderstorms in the evening. Waves 1 to 3 feet. .SATURDAY...Southeast wind 5 to 10 knots becoming west 10 to 15 knots with gusts to around 20 knots late in the afternoon. Slight chance of rain showers in the morning. Slight chance of thunderstorms through the day. Chance of rain showers in the afternoon. Waves 1 to 3 feet. .SATURDAY NIGHT...West wind 10 to 15 knots with gusts to around 20 knots becoming southwest early in the morning. Mostly clear. Waves 1 to 3 feet. $$ LSZ121-172200- Chequamegon Bay-Bayfield to Oak Point WI- 1000 AM CDT Fri May 17 2024 .REST OF TODAY...East wind 5 to 10 knots becoming northeast late. Slight chance of thunderstorms early in the afternoon. Chance of rain showers in the afternoon. Chance of thunderstorms late. Waves 1 foot or less. .TONIGHT...Northeast wind 5 to 10 knots becoming southeast early in the morning. Chance of showers and thunderstorms in the evening. Waves 1 foot or less. .SATURDAY...South wind 10 to 15 knots with gusts to around 20 knots becoming southwest with gusts to around 25 knots in the afternoon. Slight chance of rain showers in the morning. Slight chance of thunderstorms through the day. Chance of rain showers in the afternoon. Waves 1 to 2 feet. .SATURDAY NIGHT...Southwest wind 10 to 15 knots. Gusts up to 20 knots early in the evening. Mostly clear. Waves 1 foot or less. $$ LSZ148-172200- Oak Point to Saxon Harbor WI- 1000 AM CDT Fri May 17 2024 .REST OF TODAY...East wind 5 to 10 knots. Slight chance of thunderstorms early in the afternoon. Chance of rain showers in the afternoon. Chance of thunderstorms late. Waves 1 to 2 feet. .TONIGHT...Northeast wind 5 to 10 knots becoming southeast early in the morning. Chance of showers and thunderstorms in the evening. Waves 1 to 2 feet. .SATURDAY...South wind 10 to 15 knots with gusts to around 20 knots becoming southwest with gusts to around 20 knots in the afternoon. Slight chance of rain showers in the morning. Slight chance of thunderstorms through the day. Chance of rain showers in the afternoon. Waves 1 to 2 feet. .SATURDAY NIGHT...West wind 10 to 15 knots with gusts to around 20 knots becoming southwest 5 to 10 knots in the late evening and overnight. Mostly clear. Waves 1 to 2 feet. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes JDS