FZUS53 KDLH 042238 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 538 PM CDT Thu Jun 4 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. LSZ140-050400- Grand Portage to Grand Marais MN- 538 PM CDT Thu Jun 4 2026 .TONIGHT...East wind 5 to 10 knots becoming southwest after midnight. Slight chance of showers and thunderstorms in the late evening and early morning. Waves 1 foot or less. .FRIDAY...Southwest wind 5 to 10 knots. Mostly cloudy. Waves 1 foot or less. .FRIDAY NIGHT...Southwest wind 5 to 10 knots becoming northwest in the late evening and overnight. Partly cloudy. Waves 1 foot or less. .SATURDAY...West wind 5 knots becoming south in the afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ141-050400- Grand Marais to Taconite Harbor MN- 538 PM CDT Thu Jun 4 2026 .TONIGHT...Northeast wind 5 to 10 knots early in the evening becoming variable 10 knots or less. Slight chance of rain showers in the evening. Slight chance of thunderstorms until early morning. Chance of rain showers after midnight. Waves 1 foot or less. .FRIDAY...Variable winds 10 knots or less becoming southwest 5 knots in the late morning and afternoon. Partly sunny. Waves 1 foot or less. .FRIDAY NIGHT...West wind 5 knots becoming northwest after midnight. Partly cloudy. Waves 1 foot or less. .SATURDAY...Northwest wind 5 knots becoming south in the afternoon. Sunny. Waves 1 foot or less. $$ LSZ142-050400- Taconite Harbor to Silver Bay Harbor MN- 538 PM CDT Thu Jun 4 2026 .TONIGHT...Northeast wind 5 knots early in the evening becoming variable 10 knots or less. Slight chance of rain showers early in the evening. Slight chance of thunderstorms until early morning. Chance of rain showers in the late evening and early morning. Waves 1 foot or less. .FRIDAY...Variable winds 10 knots or less becoming southwest 5 knots in the afternoon. Slight chance of showers and thunderstorms in the afternoon. Waves 1 foot or less. .FRIDAY NIGHT...Variable winds 10 knots or less becoming northwest 5 knots in the late evening and overnight. Partly cloudy. Waves 1 foot or less. .SATURDAY...Northwest wind 5 knots early in the morning becoming variable 10 knots or less, then becoming southeast 5 knots late in the afternoon. Sunny. Waves 1 foot or less. $$ LSZ143-050400- Silver Bay Harbor to Two Harbors MN- 538 PM CDT Thu Jun 4 2026 .TONIGHT...Northeast wind 5 to 10 knots in the evening becoming variable 10 knots or less. Chance of rain showers and slight chance of thunderstorms. Waves 1 foot or less. .FRIDAY...Variable winds 10 knots or less becoming southwest 5 knots in the late morning and afternoon. Slight chance of showers and thunderstorms in the afternoon. Waves 1 foot or less. .FRIDAY NIGHT...Northwest wind 5 knots. Slight chance of showers and thunderstorms in the evening. Waves 1 foot or less. .SATURDAY...Variable winds 10 knots or less becoming south 5 knots early in the afternoon, then becoming variable 10 knots or less late in the afternoon. Sunny. Waves 1 foot or less. $$ LSZ144-050400- Two Harbors to Duluth MN- 538 PM CDT Thu Jun 4 2026 .TONIGHT...East wind 5 to 10 knots becoming southwest after midnight. Slight chance of rain showers early in the evening. Slight chance of thunderstorms until early morning. Chance of rain showers in the late evening and overnight. Waves 1 foot or less. .FRIDAY...Southwest wind 5 knots. Chance of showers and thunderstorms in the afternoon. Waves 1 foot or less. .FRIDAY NIGHT...West wind 5 knots becoming northwest after midnight. Slight chance of showers and thunderstorms in the evening. Waves 1 foot or less. .SATURDAY...West wind 5 knots becoming southeast early in the afternoon, then becoming east late in the afternoon. Sunny. Waves 1 foot or less. $$ LSZ145-050400- Duluth MN to Port Wing WI- 538 PM CDT Thu Jun 4 2026 .TONIGHT...Southeast wind 5 to 10 knots becoming southwest after midnight. Chance of rain showers and slight chance of thunderstorms. Waves 1 foot or less. .FRIDAY...Southwest wind 5 knots. Slight chance of rain showers through the day. Chance of thunderstorms in the afternoon. Waves 1 foot or less. .FRIDAY NIGHT...West wind 5 knots. Slight chance of showers and thunderstorms in the evening. Waves 1 foot or less. .SATURDAY...West wind 5 knots becoming east in the afternoon. Sunny. Waves 1 foot or less. $$ LSZ146-050400- Port Wing to Sand Island WI- 538 PM CDT Thu Jun 4 2026 .TONIGHT...Northeast wind 5 knots becoming southwest after midnight. Chance of rain showers and slight chance of thunderstorms through the night. Waves 1 foot or less. .FRIDAY...Southwest wind 5 knots. Slight chance of showers and thunderstorms in the afternoon. Waves 1 foot or less. .FRIDAY NIGHT...Southwest wind 5 knots. Slight chance of showers and thunderstorms in the evening. Waves 1 foot or less. .SATURDAY...Variable winds 10 knots or less. Sunny. Waves 1 foot or less. $$ LSZ147-050400- Sand Island to Bayfield WI- 538 PM CDT Thu Jun 4 2026 .TONIGHT...Southeast wind 5 knots becoming southwest in the late evening and overnight. Slight chance of showers and thunderstorms early in the evening, then chance of showers and thunderstorms in the late evening and early morning. Slight chance of rain showers late in the night. Waves 1 foot or less. .FRIDAY...West wind 5 knots early in the morning becoming variable 10 knots or less, then becoming west 5 knots in the afternoon. Slight chance of showers and thunderstorms in the afternoon. Waves 1 foot or less. .FRIDAY NIGHT...West wind 5 knots. Slight chance of showers and thunderstorms in the evening. Waves 1 foot or less. .SATURDAY...Variable winds 10 knots or less becoming southeast 5 knots in the afternoon. Sunny. Waves 1 foot or less. $$ LSZ150-050400- Outer Apostle Islands Beyond 5 NM from Mainland- 538 PM CDT Thu Jun 4 2026 .TONIGHT...Southeast wind 5 to 10 knots becoming southwest late in the night. Slight chance of showers and thunderstorms early in the evening, then chance of showers and thunderstorms in the late evening and early morning. Slight chance of rain showers late in the night. Waves 1 foot or less. .FRIDAY...Southwest wind 5 knots. Slight chance of rain showers through the day. Slight chance of thunderstorms in the afternoon. Waves 1 foot or less. .FRIDAY NIGHT...West wind 5 knots. Slight chance of showers and thunderstorms in the evening. Waves 1 foot or less. .SATURDAY...West wind 5 knots becoming southeast in the afternoon. Sunny. Waves 1 foot or less. $$ LSZ121-050400- Chequamegon Bay-Bayfield to Oak Point WI- 538 PM CDT Thu Jun 4 2026 .TONIGHT...Southeast wind 5 to 10 knots becoming southwest in the late evening and overnight. Chance of thunderstorms in the evening. Chance of rain showers through the night. Slight chance of thunderstorms after midnight. Waves 1 foot or less. .FRIDAY...Southwest wind 5 knots. Slight chance of rain showers in the morning, then chance of showers and thunderstorms in the afternoon. Waves 1 foot or less. .FRIDAY NIGHT...West wind 5 knots. Slight chance of showers and thunderstorms in the evening. Waves 1 foot or less. .SATURDAY...Variable winds 10 knots or less becoming north 5 knots late in the morning, then becoming northeast in the afternoon. Sunny. Waves 1 foot or less. $$ LSZ148-050400- Oak Point to Saxon Harbor WI- 538 PM CDT Thu Jun 4 2026 .TONIGHT...Southeast wind 5 knots becoming southwest in the late evening and overnight. Chance of showers and thunderstorms until early morning, then slight chance of showers and thunderstorms late in the night. Waves 1 foot or less. .FRIDAY...Southwest wind 5 knots. Slight chance of showers and thunderstorms in the morning, then chance of showers and thunderstorms in the afternoon. Waves 1 foot or less. .FRIDAY NIGHT...West wind 5 knots. Slight chance of showers and thunderstorms in the evening. Waves 1 foot or less. .SATURDAY...Variable winds 10 knots or less becoming northeast 5 knots in the afternoon. Sunny. Waves 1 foot or less. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH