FZUS53 KDLH 190651 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 150 AM CDT Fri Jun 19 2026 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. LSZ140-191600- Grand Portage to Grand Marais MN- 150 AM CDT Fri Jun 19 2026 .TODAY...Northwest wind 5 to 10 knots becoming southwest 10 to 15 knots with gusts to around 20 knots in the late morning and afternoon. Mostly sunny. Waves 1 to 2 feet. .TONIGHT...West wind 5 to 10 knots easing to 5 knots after midnight. Chance of rain showers in the evening. Slight chance of rain showers after midnight. Waves 1 to 2 feet. .SATURDAY...West wind 5 knots becoming southwest in the afternoon. Slight chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Waves 1 foot or less. .SATURDAY NIGHT...West wind 5 knots becoming northwest after midnight. Slight chance of rain showers in the evening. Waves 1 foot or less. $$ LSZ141-191600- Grand Marais to Taconite Harbor MN- 150 AM CDT Fri Jun 19 2026 .TODAY...West wind 5 knots becoming southwest in the late morning and afternoon. Slight chance of rain showers late in the afternoon. Waves 1 foot or less. .TONIGHT...Southwest wind 5 knots becoming northwest late in the evening, then becoming north after midnight becoming northwest early in the morning. Slight chance of rain showers. Waves 1 foot or less. .SATURDAY...West wind 5 knots. Slight chance of rain showers in the afternoon. Waves 1 foot or less. .SATURDAY NIGHT...West wind 5 knots early in the evening becoming variable 10 knots or less. Partly cloudy. Waves 1 foot or less. $$ LSZ142-191600- Taconite Harbor to Silver Bay Harbor MN- 150 AM CDT Fri Jun 19 2026 .TODAY...West wind 5 knots becoming southwest in the late morning and afternoon. Slight chance of rain showers early in the afternoon. Slight chance of thunderstorms in the afternoon. Chance of rain showers late in the afternoon. Waves 1 foot or less. .TONIGHT...West wind 5 knots early in the evening becoming variable 10 knots or less, then becoming north 5 knots after midnight becoming northwest. Chance of rain showers and slight chance of thunderstorms in the evening. Waves 1 foot or less. .SATURDAY...West wind 5 knots. Patchy fog in the morning. Waves 1 foot or less. .SATURDAY NIGHT...Northwest wind 5 knots early in the evening becoming variable 10 knots or less. Partly cloudy. Waves 1 foot or less. $$ LSZ143-191600- Silver Bay Harbor to Two Harbors MN- 150 AM CDT Fri Jun 19 2026 .TODAY...West wind 5 knots becoming south in the late morning and afternoon. Chance of rain showers and slight chance of thunderstorms in the afternoon. Waves 1 foot or less. .TONIGHT...Southwest wind 5 knots becoming northwest in the late evening and overnight. Chance of rain showers and slight chance of thunderstorms in the evening. Patchy fog after midnight. Waves 1 foot or less. .SATURDAY...West wind 5 knots. Patchy fog in the morning. Waves 1 foot or less. .SATURDAY NIGHT...Variable winds 10 knots or less. Partly cloudy. Waves 1 foot or less. $$ LSZ144-191600- Two Harbors to Duluth MN- 150 AM CDT Fri Jun 19 2026 .TODAY...Southwest wind 5 knots becoming south late in the afternoon. Chance of rain showers early in the afternoon. Chance of thunderstorms in the afternoon. Rain showers likely late in the afternoon. Waves 1 foot or less. .TONIGHT...Southwest wind 5 knots becoming west in the late evening and overnight. Chance of showers and thunderstorms in the evening. Patchy fog after midnight. Waves 1 foot or less. .SATURDAY...West wind 5 to 10 knots. Sunny. Waves 1 foot or less. .SATURDAY NIGHT...Northwest wind 5 knots. Partly cloudy. Waves 1 foot or less. $$ LSZ145-191600- Duluth MN to Port Wing WI- 150 AM CDT Fri Jun 19 2026 .TODAY...Southwest wind 5 knots becoming south late in the afternoon. Chance of rain showers early in the afternoon. Chance of thunderstorms in the afternoon. Rain showers likely late in the afternoon. Waves 1 foot or less. .TONIGHT...Southwest wind 5 knots becoming west in the late evening and overnight. Chance of showers and thunderstorms in the evening. Patchy fog after midnight. Waves 1 foot or less. .SATURDAY...West wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. .SATURDAY NIGHT...Northwest wind 5 knots. Partly cloudy. Waves 1 foot or less. $$ LSZ146-191600- Port Wing to Sand Island WI- 150 AM CDT Fri Jun 19 2026 .TODAY...Southwest wind 5 knots becoming south late in the afternoon. Chance of rain showers and slight chance of thunderstorms in the afternoon. Waves 1 foot or less. .TONIGHT...South wind 5 knots becoming west in the late evening and overnight. Chance of rain showers and slight chance of thunderstorms in the evening. Patchy fog after midnight. Waves 1 foot or less. .SATURDAY...West wind 5 knots. Mostly sunny. Waves 1 foot or less. .SATURDAY NIGHT...West wind 5 knots early in the evening becoming variable 10 knots or less. Partly cloudy. Waves 1 foot or less. $$ LSZ147-191600- Sand Island to Bayfield WI- 150 AM CDT Fri Jun 19 2026 .TODAY...West wind 5 knots becoming south in the afternoon. Slight chance of rain showers early in the afternoon. Chance of rain showers and slight chance of thunderstorms late in the afternoon. Waves 1 foot or less. .TONIGHT...Southwest wind 5 knots becoming west in the late evening and overnight. Chance of rain showers and slight chance of thunderstorms in the evening. Waves 1 foot or less. .SATURDAY...West wind 5 knots. Patchy fog in the morning. Waves 1 foot or less. .SATURDAY NIGHT...Variable winds 10 knots or less. Partly cloudy. Waves 1 foot or less. $$ LSZ150-191600- Outer Apostle Islands Beyond 5 NM from Mainland- 150 AM CDT Fri Jun 19 2026 .TODAY...West wind 5 knots becoming south in the afternoon. Slight chance of rain showers late in the afternoon. Waves 1 foot or less. .TONIGHT...Southwest wind 5 knots becoming west after midnight. Slight chance of showers and thunderstorms in the evening. Waves 1 foot or less. .SATURDAY...West wind 5 to 10 knots. Patchy fog in the morning. Waves 1 foot or less. .SATURDAY NIGHT...Southwest wind 5 knots early in the evening becoming variable 10 knots or less. Partly cloudy. Waves 1 foot or less. $$ LSZ121-191600- Chequamegon Bay-Bayfield to Oak Point WI- 150 AM CDT Fri Jun 19 2026 .TODAY...West wind 5 knots becoming southwest in the afternoon. Chance of rain showers in the afternoon. Slight chance of thunderstorms late in the afternoon. Waves 1 foot or less. .TONIGHT...West wind 5 knots. Chance of rain showers and slight chance of thunderstorms in the evening. Waves 1 foot or less. .SATURDAY...Northwest wind 5 knots. Mostly sunny. Waves 1 foot or less. .SATURDAY NIGHT...Northwest wind 5 knots early in the evening becoming variable 10 knots or less. Partly cloudy. Waves 1 foot or less. $$ LSZ148-191600- Oak Point to Saxon Harbor WI- 150 AM CDT Fri Jun 19 2026 .TODAY...Southwest wind 5 knots becoming south early in the afternoon, then becoming southwest late in the afternoon. Chance of rain showers in the afternoon. Slight chance of thunderstorms late in the afternoon. Waves 1 foot or less. .TONIGHT...Southwest wind 5 knots. Chance of rain showers and slight chance of thunderstorms in the evening. Waves 1 foot or less. .SATURDAY...Northwest wind 5 knots. Mostly sunny. Waves 1 foot or less. .SATURDAY NIGHT...West wind 5 knots early in the evening becoming variable 10 knots or less. Partly cloudy. Waves 1 foot or less. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH