FZUS53 KDLH 232045 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 345 PM CDT Sat May 23 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. LSZ140-240400- Grand Portage to Grand Marais MN- 345 PM CDT Sat May 23 2026 .TONIGHT...East wind 10 to 15 knots easing to 5 knots after midnight, then becoming south late in the night. Rain showers likely early in the evening, then slight chance of rain showers in the late evening and early morning. Waves 1 to 2 feet. .SUNDAY...Southwest wind 10 to 15 knots with gusts to around 20 knots. Slight chance of showers and thunderstorms in the afternoon. Waves 1 to 2 feet. .SUNDAY NIGHT...Southwest wind 5 to 10 knots. Partly cloudy. Waves 1 to 2 feet. .MONDAY...Southeast wind 5 knots becoming south in the afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ141-240400- Grand Marais to Taconite Harbor MN- 345 PM CDT Sat May 23 2026 .TONIGHT...Southeast wind 5 to 10 knots becoming northeast after midnight, then becoming west late in the night. Slight chance of rain showers early in the evening. Waves 1 to 2 feet. .SUNDAY...Southwest wind 5 to 10 knots becoming south late in the afternoon. Slight chance of showers and thunderstorms in the afternoon. Waves 1 to 2 feet. .SUNDAY NIGHT...Southeast wind 5 knots early in the evening becoming variable 10 knots or less, then becoming northwest 5 knots early in the morning. Partly cloudy. Waves 1 foot or less. .MONDAY...East wind 5 knots becoming south late in the afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ142-240400- Taconite Harbor to Silver Bay Harbor MN- 345 PM CDT Sat May 23 2026 .TONIGHT...East wind 5 to 10 knots becoming west late in the evening, then becoming variable 10 knots or less after midnight becoming southwest 5 knots late in the night. Slight chance of rain showers early in the evening. Waves 1 to 2 feet. .SUNDAY...Southwest wind 5 knots becoming south late in the afternoon. Slight chance of showers and thunderstorms in the afternoon. Waves 1 foot or less. .SUNDAY NIGHT...East wind 5 knots early in the evening becoming variable 10 knots or less. Partly cloudy. Waves 1 foot or less. .MONDAY...Variable winds 10 knots or less becoming southeast 5 knots in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ143-240400- Silver Bay Harbor to Two Harbors MN- 345 PM CDT Sat May 23 2026 .TONIGHT...Northeast wind 10 to 15 knots becoming west 5 knots late in the evening, then becoming variable 10 knots or less after midnight becoming southwest 5 knots late in the night. Mostly cloudy. Waves 1 to 2 feet. .SUNDAY...Southwest wind 5 knots. Slight chance of showers and thunderstorms in the afternoon. Waves 1 foot or less. .SUNDAY NIGHT...East wind 5 knots becoming northeast late in the evening, then becoming variable 10 knots or less after midnight. Partly cloudy. Waves 1 foot or less. .MONDAY...Variable winds 10 knots or less becoming south 5 knots late in the morning, then becoming southeast in the afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ144-240400- Two Harbors to Duluth MN- 345 PM CDT Sat May 23 2026 .TONIGHT...East wind 10 to 15 knots becoming west 5 knots late in the evening, then becoming variable 10 knots or less after midnight becoming southwest 5 knots late in the night. Mostly cloudy. Waves 1 to 3 feet. .SUNDAY...Southwest wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. .SUNDAY NIGHT...West wind 5 knots. Mostly clear. Waves 1 foot or less. .MONDAY...Southwest wind 5 knots becoming south in the afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ145-240400- Duluth MN to Port Wing WI- 345 PM CDT Sat May 23 2026 .TONIGHT...East wind 10 to 15 knots becoming west 5 knots late in the evening, then becoming variable 10 knots or less after midnight becoming southwest 5 knots late in the night. Mostly cloudy. Waves 1 to 3 feet. .SUNDAY...Southwest wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. .SUNDAY NIGHT...Southwest wind 5 knots becoming south in the late evening and overnight. Mostly clear. Waves 1 foot or less. .MONDAY...South wind 5 knots becoming southeast late in the afternoon. Sunny. Waves 1 foot or less. $$ LSZ146-240400- Port Wing to Sand Island WI- 345 PM CDT Sat May 23 2026 .TONIGHT...Northeast wind 10 to 15 knots becoming west 5 knots in the late evening and overnight. Slight chance of rain showers early in the evening. Waves 1 to 2 feet. .SUNDAY...Southwest wind 5 knots. Mostly sunny. Waves 1 foot or less. .SUNDAY NIGHT...South wind 5 knots becoming southwest after midnight. Mostly clear. Waves 1 foot or less. .MONDAY...South wind 5 knots becoming west late in the morning, then becoming northeast in the afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ147-240400- Sand Island to Bayfield WI- 345 PM CDT Sat May 23 2026 .TONIGHT...Southeast wind 5 to 10 knots becoming west after midnight. Chance of rain showers early in the evening. Waves 1 to 2 feet. .SUNDAY...Southwest wind 5 knots becoming south in the afternoon. Mostly sunny. Waves 1 foot or less. .SUNDAY NIGHT...South wind 5 knots becoming southwest after midnight, then becoming south early in the morning. Mostly clear. Waves 1 foot or less. .MONDAY...Southeast wind 5 knots becoming southwest late in the morning, then becoming east in the afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ150-240400- Outer Apostle Islands Beyond 5 NM from Mainland- 345 PM CDT Sat May 23 2026 .TONIGHT...Southeast wind 5 to 10 knots becoming south late in the evening, then becoming west after midnight. Chance of rain showers early in the evening, then slight chance of rain showers late in the evening. Waves 1 to 2 feet. .SUNDAY...Southwest wind 5 knots becoming south in the afternoon. Mostly sunny. Waves 1 foot or less. .SUNDAY NIGHT...South wind 5 knots becoming southwest after midnight. Mostly clear. Waves 1 foot or less. .MONDAY...South wind 5 knots becoming east in the afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ121-240400- Chequamegon Bay-Bayfield to Oak Point WI- 345 PM CDT Sat May 23 2026 .TONIGHT...South wind 5 knots early in the evening becoming variable 10 knots or less, then becoming southwest 5 knots after midnight. Chance of rain showers early in the evening. Waves 1 foot or less. .SUNDAY...Southwest wind 5 knots. Mostly sunny. Waves 1 foot or less. .SUNDAY NIGHT...Southwest wind 5 knots. Mostly clear. Waves 1 foot or less. .MONDAY...South wind 5 knots. Mostly sunny. Waves 1 foot or less. $$ LSZ148-240400- Oak Point to Saxon Harbor WI- 345 PM CDT Sat May 23 2026 .TONIGHT...South wind 5 knots becoming west late in the evening, then becoming southwest after midnight. Chance of rain showers early in the evening, then slight chance of rain showers late in the evening. Waves 1 foot or less. .SUNDAY...Southwest wind 5 knots becoming south in the afternoon. Mostly sunny. Waves 1 foot or less. .SUNDAY NIGHT...Southwest wind 5 knots. Mostly clear. Waves 1 foot or less. .MONDAY...South wind 5 knots becoming southeast late in the afternoon. Mostly sunny. Waves 1 foot or less. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH