FZUS53 KDLH 012248 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 548 PM CDT Fri May 1 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. LSZ140-020400- Grand Portage to Grand Marais MN- 548 PM CDT Fri May 1 2026 .TONIGHT...West wind 5 to 10 knots easing to 5 knots after midnight. Partly cloudy. Waves 1 foot or less. .SATURDAY...West wind 5 knots becoming southwest in the late morning and afternoon. Mostly sunny. Waves 1 to 2 feet. .SATURDAY NIGHT...Southwest wind 5 to 10 knots. Chance of rain showers. Waves 1 to 2 feet. .SUNDAY...West wind 10 to 15 knots. Gusts up to 20 knots in the late morning and afternoon. Mostly sunny. Waves 1 to 2 feet. $$ LSZ141-020400- Grand Marais to Taconite Harbor MN- 548 PM CDT Fri May 1 2026 .TONIGHT...Southwest wind 5 knots becoming northwest late in the evening, then becoming variable 10 knots or less after midnight. Partly cloudy. Waves 1 foot or less. .SATURDAY...West wind 5 knots becoming southwest in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. .SATURDAY NIGHT...Southeast wind 5 knots becoming east late in the evening, then becoming variable 10 knots or less after midnight becoming west 5 knots early in the morning. Chance of rain showers. Waves 1 foot or less. .SUNDAY...West wind 10 to 15 knots with gusts to around 20 knots. Mostly sunny. Waves 1 foot or less. $$ LSZ142-020400- Taconite Harbor to Silver Bay Harbor MN- 548 PM CDT Fri May 1 2026 .TONIGHT...Southwest wind 5 knots early in the evening becoming variable 10 knots or less. Partly cloudy. Waves 1 foot or less. .SATURDAY...Variable winds 10 knots or less becoming southwest 5 knots in the late morning and early afternoon, then becoming south late in the afternoon. Mostly sunny. Waves 1 foot or less. .SATURDAY NIGHT...East wind 5 knots early in the evening becoming variable 10 knots or less, then becoming north 5 knots after midnight becoming west. Chance of rain showers through the night. Waves 1 foot or less. .SUNDAY...West wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. $$ LSZ143-020400- Silver Bay Harbor to Two Harbors MN- 548 PM CDT Fri May 1 2026 .TONIGHT...East wind 5 knots early in the evening becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. .SATURDAY...West wind 5 knots becoming south in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. .SATURDAY NIGHT...East wind 5 knots becoming northeast late in the evening, then becoming west after midnight. Chance of rain showers through the night. Waves 1 foot or less. .SUNDAY...West wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. $$ LSZ144-020400- Two Harbors to Duluth MN- 548 PM CDT Fri May 1 2026 .TONIGHT...Northeast wind 5 knots early in the evening becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. .SATURDAY...Southwest wind 5 knots becoming south in the afternoon. Mostly sunny. Waves 1 foot or less. .SATURDAY NIGHT...South wind 5 knots becoming west after midnight. Chance of rain showers through the night. Waves 1 foot or less. .SUNDAY...West wind 10 to 15 knots. Gusts up to 20 knots in the afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ145-020400- Duluth MN to Port Wing WI- 548 PM CDT Fri May 1 2026 .TONIGHT...Northeast wind 5 to 10 knots in the evening becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. .SATURDAY...Southwest wind 5 knots. Mostly sunny. Waves 1 foot or less. .SATURDAY NIGHT...Southwest wind 5 knots becoming west early in the morning. Chance of rain showers through the night. Waves 1 foot or less. .SUNDAY...West wind 10 to 15 knots. Gusts up to 20 knots in the afternoon. Mostly sunny. Waves 1 to 2 feet. $$ LSZ146-020400- Port Wing to Sand Island WI- 548 PM CDT Fri May 1 2026 .TONIGHT...East wind 5 knots early in the evening becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. .SATURDAY...Southwest wind 5 knots. Mostly sunny. Waves 1 foot or less. .SATURDAY NIGHT...South wind 5 knots becoming southwest after midnight. Chance of rain showers through the night. Waves 1 foot or less. .SUNDAY...West wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. $$ LSZ147-020400- Sand Island to Bayfield WI- 548 PM CDT Fri May 1 2026 .TONIGHT...Southeast wind 5 knots in the evening becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. .SATURDAY...Variable winds 10 knots or less becoming south 5 knots in the afternoon. Sunny. Waves 1 foot or less. .SATURDAY NIGHT...South wind 5 knots becoming southwest after midnight. Chance of rain showers. Waves 1 foot or less. .SUNDAY...West wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. $$ LSZ150-020400- Outer Apostle Islands Beyond 5 NM from Mainland- 548 PM CDT Fri May 1 2026 .TONIGHT...South wind 5 knots becoming southwest late in the night. Mostly clear. Waves 1 foot or less. .SATURDAY...Southwest wind 5 knots becoming south in the afternoon. Mostly sunny. Waves 1 foot or less. .SATURDAY NIGHT...South wind 5 knots becoming southwest after midnight. Chance of rain showers. Waves 1 foot or less. .SUNDAY...West wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. $$ LSZ121-020400- Chequamegon Bay-Bayfield to Oak Point WI- 548 PM CDT Fri May 1 2026 .TONIGHT...East wind 5 knots early in the evening becoming variable 10 knots or less, then becoming southwest 5 knots late in the night. Mostly clear. Waves 1 foot or less. .SATURDAY...Southwest wind 5 knots becoming southeast in the afternoon. Sunny. Waves 1 foot or less. .SATURDAY NIGHT...South wind 5 knots becoming southwest after midnight. Chance of rain showers. Waves 1 foot or less. .SUNDAY...West wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. $$ LSZ148-020400- Oak Point to Saxon Harbor WI- 548 PM CDT Fri May 1 2026 .TONIGHT...Southeast wind 5 knots becoming southwest after midnight. Mostly clear. Waves 1 foot or less. .SATURDAY...Southwest wind 5 knots becoming east in the afternoon. Sunny. Waves 1 foot or less. .SATURDAY NIGHT...Southeast wind 5 knots becoming southwest in the late evening and overnight. Chance of rain showers. Waves 1 foot or less. .SUNDAY...West wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH