FZUS53 KDLH 231758 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 1257 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. LSZ140-232200- Grand Portage to Grand Marais MN- 1257 PM CDT Sat May 23 2026 .REST OF TODAY...East wind 15 to 20 knots. Rain showers early in the afternoon, then rain showers likely late. Waves 1 to 3 feet. .TONIGHT...East wind 10 to 15 knots easing to 5 knots after midnight, then becoming south early in the morning. Chance of rain showers in the evening. 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. $$ LSZ141-232200- Grand Marais to Taconite Harbor MN- 1257 PM CDT Sat May 23 2026 .REST OF TODAY...East wind 10 to 15 knots. Rain showers early in the afternoon, then chance of rain showers late. Waves 1 to 3 feet subsiding to 1 to 2 feet late. .TONIGHT...Southeast wind 5 to 10 knots becoming northeast after midnight, then becoming west early in the morning. Slight chance of rain showers in the evening. Waves 1 to 2 feet. .SUNDAY...Southwest wind 5 to 10 knots becoming south late in the afternoon. Slight chance of showers and thunderstorms in the afternoon. Waves 1 foot or less. .SUNDAY NIGHT...Southeast wind 5 knots early in the evening becoming variable 10 knots or less, then becoming northwest 5 knots early in the morning. Partly cloudy. Waves 1 foot or less. $$ LSZ142-232200- Taconite Harbor to Silver Bay Harbor MN- 1257 PM CDT Sat May 23 2026 .REST OF TODAY...East wind 10 to 15 knots. Rain showers likely early in the afternoon, then chance of rain showers late. Waves 1 to 3 feet. .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 early in the morning. Slight chance of rain showers 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. $$ LSZ143-232200- Silver Bay Harbor to Two Harbors MN- 1257 PM CDT Sat May 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... .REST OF TODAY...Northeast wind 10 to 15 knots with gusts to around 20 knots. Chance of rain showers early in the afternoon, then slight chance of rain showers late. Waves 1 to 3 feet. .TONIGHT...Northeast wind 10 to 15 knots becoming west 5 knots late in the evening, then becoming variable 10 knots or less after midnight becoming southwest 5 knots early in the morning. Mostly cloudy. Waves 1 to 2 feet. .SUNDAY...Southwest wind 5 knots. Slight chance of showers and thunderstorms in the afternoon. Waves 1 foot or less. .SUNDAY NIGHT...East wind 5 knots becoming northeast late in the evening, then becoming variable 10 knots or less after midnight. Partly cloudy. Waves 1 foot or less. $$ LSZ144-232200- Two Harbors to Duluth MN- 1257 PM CDT Sat May 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... .REST OF TODAY...East wind 10 to 15 knots with gusts to around 20 knots. Slight chance of rain showers. Waves 1 to 3 feet. .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 early in the morning. 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. $$ LSZ145-232200- Duluth MN to Port Wing WI- 1257 PM CDT Sat May 23 2026 .REST OF TODAY...Northeast wind 10 to 15 knots with gusts to around 20 knots. Slight chance of rain showers through the day. Waves 1 to 3 feet. .TONIGHT...East wind 10 to 15 knots becoming west 5 knots late in the evening, then becoming variable 10 knots or less after midnight becoming southwest 5 knots early in the morning. Mostly cloudy. Waves 1 to 3 feet. .SUNDAY...Southwest wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. .SUNDAY NIGHT...Southwest wind 5 knots becoming south in the late evening and overnight. Mostly clear. Waves 1 foot or less. $$ LSZ146-232200- Port Wing to Sand Island WI- 1257 PM CDT Sat May 23 2026 .REST OF TODAY...East wind 10 to 15 knots. Chance of rain showers early in the afternoon, then slight chance of rain showers late. Waves 1 to 3 feet. .TONIGHT...Northeast wind 10 to 15 knots becoming west 5 knots in the late evening and overnight. Slight chance of rain showers 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. $$ LSZ147-232200- Sand Island to Bayfield WI- 1257 PM CDT Sat May 23 2026 .REST OF TODAY...East wind 5 to 10 knots becoming southeast late. Rain showers likely early in the afternoon, then chance of rain showers late. Waves 1 to 2 feet. .TONIGHT...Southeast wind 5 to 10 knots becoming west after midnight. Chance of rain showers in the evening. Waves 1 to 2 feet. .SUNDAY...Southwest wind 5 knots becoming south in the afternoon. Mostly sunny. Waves 1 foot or less. .SUNDAY NIGHT...South wind 5 knots becoming southwest after midnight, then becoming south early in the morning. Mostly clear. Waves 1 foot or less. $$ LSZ150-232200- Outer Apostle Islands Beyond 5 NM from Mainland- 1257 PM CDT Sat May 23 2026 .REST OF TODAY...East wind 5 to 10 knots becoming southeast late. Rain showers likely early in the afternoon, then chance of rain showers late. Waves 1 to 3 feet. .TONIGHT...Southeast wind 5 to 10 knots becoming south late in the evening, then becoming west after midnight. Chance of rain showers 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. $$ LSZ121-232200- Chequamegon Bay-Bayfield to Oak Point WI- 1257 PM CDT Sat May 23 2026 .REST OF TODAY...Northeast wind 5 knots becoming south late. Rain showers likely early in the afternoon, then chance of rain showers late. Waves 1 foot or less. .TONIGHT...South wind 5 knots early in the evening becoming variable 10 knots or less, then becoming southwest 5 knots after midnight. Chance of rain showers in the evening. Waves 1 foot or less. .SUNDAY...Southwest wind 5 knots. Mostly sunny. Waves 1 foot or less. .SUNDAY NIGHT...Southwest wind 5 knots. Mostly clear. Waves 1 foot or less. $$ LSZ148-232200- Oak Point to Saxon Harbor WI- 1257 PM CDT Sat May 23 2026 .REST OF TODAY...North wind 5 knots becoming south late. Rain showers likely early in the afternoon, then chance of rain showers late. Waves 1 to 2 feet. .TONIGHT...South wind 5 knots becoming west late in the evening, then becoming southwest after midnight. Chance of rain showers 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. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH