FZUS53 KDLH 272137 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 437 PM CDT Wed May 27 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. LSZ140-280400- Grand Portage to Grand Marais MN- 437 PM CDT Wed May 27 2026 .TONIGHT...Northeast wind 10 to 15 knots becoming north 5 knots after midnight. Clear. Waves 1 to 2 feet. .THURSDAY...Northeast wind 5 knots becoming southeast in the late morning and afternoon. Sunny. Waves 1 foot or less. .THURSDAY NIGHT...Southwest wind 5 to 10 knots. Partly cloudy. Waves 1 foot or less. .FRIDAY...Southwest wind 10 to 15 knots. Slight chance of showers and thunderstorms in the afternoon. Waves 1 to 3 feet. $$ LSZ141-280400- Grand Marais to Taconite Harbor MN- 437 PM CDT Wed May 27 2026 .TONIGHT...Northeast wind 5 knots. Clear. Waves 1 to 2 feet. .THURSDAY...East wind 5 knots. Sunny. Waves 1 foot or less. .THURSDAY NIGHT...Variable winds 10 knots or less becoming west 5 knots after midnight. Mostly clear. Waves 1 foot or less. .FRIDAY...Southwest wind 5 to 10 knots. Sunny. Waves 1 foot or less. $$ LSZ142-280400- Taconite Harbor to Silver Bay Harbor MN- 437 PM CDT Wed May 27 2026 .TONIGHT...Northeast wind 5 knots. Clear. Waves 1 to 2 feet. .THURSDAY...Northeast wind 5 knots. Sunny. Waves 1 foot or less. .THURSDAY NIGHT...Variable winds 10 knots or less. Mostly clear. Waves 1 foot or less. .FRIDAY...Southwest wind 5 knots. Sunny. Waves 1 foot or less. $$ LSZ143-280400- Silver Bay Harbor to Two Harbors MN- 437 PM CDT Wed May 27 2026 .TONIGHT...Northeast wind 5 to 10 knots. Clear. Waves 1 to 3 feet. .THURSDAY...Northeast wind 5 to 10 knots. Sunny. Waves 1 foot or less. .THURSDAY NIGHT...Northeast wind 5 knots in the evening becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. .FRIDAY...Southwest wind 5 knots. Sunny. Waves 1 foot or less. $$ LSZ144-280400- Two Harbors to Duluth MN- 437 PM CDT Wed May 27 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... .TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the evening. Clear. Waves 1 to 3 feet. .THURSDAY...Northeast wind 5 to 10 knots. Sunny. Waves 1 foot or less. .THURSDAY NIGHT...Northeast wind 5 knots early in the evening becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. .FRIDAY...Southwest wind 5 knots becoming south late in the afternoon. Sunny. Waves 1 foot or less. $$ LSZ145-280400- Duluth MN to Port Wing WI- 437 PM CDT Wed May 27 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... .TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 25 knots. Clear. Waves 1 to 3 feet subsiding to 1 to 2 feet after midnight. .THURSDAY...Northeast wind 5 to 10 knots. Gusts up to 20 knots early in the afternoon. Sunny. Waves 1 to 2 feet. .THURSDAY NIGHT...Northeast wind 5 to 10 knots in the evening becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. .FRIDAY...Southwest wind 5 knots. Sunny. Waves 1 foot or less. $$ LSZ146-280400- Port Wing to Sand Island WI- 437 PM CDT Wed May 27 2026 .TONIGHT...Northeast wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Clear. Waves 1 to 3 feet. .THURSDAY...Northeast wind 5 to 10 knots. Sunny. Waves 1 foot or less. .THURSDAY NIGHT...Northeast wind 5 knots early in the evening becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. .FRIDAY...Southwest wind 5 knots. Sunny. Waves 1 foot or less. $$ LSZ147-280400- Sand Island to Bayfield WI- 437 PM CDT Wed May 27 2026 .TONIGHT...Northeast wind 5 to 10 knots. Clear. Waves 1 to 2 feet. .THURSDAY...Northeast wind 5 knots. Sunny. Waves 1 foot or less. .THURSDAY NIGHT...Variable winds 10 knots or less. Mostly clear. Waves 1 foot or less. .FRIDAY...Southwest wind 5 knots. Sunny. Waves 1 foot or less. $$ LSZ150-280400- Outer Apostle Islands Beyond 5 NM from Mainland- 437 PM CDT Wed May 27 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... .TONIGHT...Northeast wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Clear. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .THURSDAY...Northeast wind 5 to 10 knots. Sunny. Waves 1 foot or less. .THURSDAY NIGHT...Northeast wind 5 knots early in the evening becoming variable 10 knots or less, then becoming southwest 5 knots early in the morning. Mostly clear. Waves 1 foot or less. .FRIDAY...Southwest wind 5 knots. Sunny. Waves 1 foot or less. $$ LSZ121-280400- Chequamegon Bay-Bayfield to Oak Point WI- 437 PM CDT Wed May 27 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... .TONIGHT...Northeast wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Clear. Waves 1 to 2 feet. .THURSDAY...Northeast wind 5 to 10 knots. Sunny. Waves 1 foot or less. .THURSDAY NIGHT...Northeast wind 5 knots early in the evening becoming variable 10 knots or less, then becoming southwest 5 knots early in the morning. Mostly clear. Waves 1 foot or less. .FRIDAY...Southwest wind 5 knots becoming northwest late in the afternoon. Sunny. Waves 1 foot or less. $$ LSZ148-280400- Oak Point to Saxon Harbor WI- 437 PM CDT Wed May 27 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... .TONIGHT...Northeast wind 10 to 15 knots with gusts to around 20 knots becoming east 5 knots after midnight. Clear. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .THURSDAY...Northeast wind 5 to 10 knots. Sunny. Waves 1 foot or less. .THURSDAY NIGHT...Northeast wind 5 knots early in the evening becoming variable 10 knots or less, then becoming southwest 5 knots after midnight. Mostly clear. Waves 1 foot or less. .FRIDAY...Southwest wind 5 knots until late afternoon becoming variable 10 knots or less. Sunny. Waves 1 foot or less. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH