FZUS53 KDLH 092156 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 456 PM CDT Thu Apr 9 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. LSZ140-100400- Grand Portage to Grand Marais MN- 456 PM CDT Thu Apr 9 2026 .TONIGHT...Northwest wind 5 to 10 knots. Mostly cloudy. Waves 1 to 2 feet. .FRIDAY...West wind 5 to 10 knots becoming southwest 10 to 15 knots in the afternoon. Mostly sunny. Waves 1 to 2 feet. .FRIDAY NIGHT...West wind 5 to 10 knots becoming northwest after midnight. Partly cloudy. Waves 1 to 2 feet. .SATURDAY...Northwest wind 5 knots becoming south in the late morning and early afternoon, then becoming southeast late in the afternoon. Mostly sunny. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ141-100400- Grand Marais to Taconite Harbor MN- 456 PM CDT Thu Apr 9 2026 .TONIGHT...Northwest wind 5 knots. Mostly cloudy. Waves 1 foot or less. .FRIDAY...West wind 5 knots becoming southwest in the afternoon. Mostly sunny. Waves 1 foot or less. .FRIDAY NIGHT...Southwest wind 5 knots becoming northwest in the late evening and early morning, then becoming variable 10 knots or less early in the morning. Partly cloudy. Waves 1 foot or less. .SATURDAY...Variable winds 10 knots or less becoming southeast 5 knots in the late morning and early afternoon, then becoming east late in the afternoon. Slight chance of rain showers and snow showers in the afternoon. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ142-100400- Taconite Harbor to Silver Bay Harbor MN- 456 PM CDT Thu Apr 9 2026 .TONIGHT...West wind 5 knots early in the evening becoming variable 10 knots or less, then becoming northwest 5 knots after midnight. Mostly cloudy. Waves 1 foot or less. .FRIDAY...West wind 5 knots becoming southwest in the afternoon. Mostly sunny. Waves 1 foot or less. .FRIDAY NIGHT...Southwest wind 5 knots becoming northwest in the late evening and early morning, then becoming variable 10 knots or less early in the morning. Mostly clear. Waves 1 foot or less. .SATURDAY...Variable winds 10 knots or less becoming east 5 knots in the afternoon. Slight chance of rain showers in the afternoon. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ143-100400- Silver Bay Harbor to Two Harbors MN- 456 PM CDT Thu Apr 9 2026 .TONIGHT...West wind 5 knots becoming northwest after midnight. Mostly cloudy. Waves 1 foot or less. .FRIDAY...West wind 5 knots becoming southwest in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. .FRIDAY NIGHT...Southwest wind 5 knots becoming northwest in the late evening and early morning, then becoming variable 10 knots or less early in the morning. Mostly clear. Waves 1 foot or less. .SATURDAY...Variable winds 10 knots or less becoming east 5 knots in the late morning and early afternoon, then rising to 5 to 10 knots late in the afternoon. Chance of rain showers in the afternoon. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ144-100400- Two Harbors to Duluth MN- 456 PM CDT Thu Apr 9 2026 .TONIGHT...Northwest wind 5 knots. Mostly cloudy. Waves 1 foot or less. .FRIDAY...West wind 5 knots becoming southwest in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. .FRIDAY NIGHT...Southwest wind 5 knots becoming northwest in the late evening and overnight. Mostly clear. Waves 1 foot or less. .SATURDAY...Variable winds 10 knots or less becoming east 5 to 10 knots in the late morning and afternoon. Chance of rain showers in the afternoon. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ145-100400- Duluth MN to Port Wing WI- 456 PM CDT Thu Apr 9 2026 .TONIGHT...West wind 5 knots. Mostly cloudy. Waves 1 foot or less. .FRIDAY...West wind 5 knots becoming southwest in the afternoon. Mostly sunny. Waves 1 foot or less. .FRIDAY NIGHT...Southwest wind 5 knots. Mostly clear. Waves 1 foot or less. .SATURDAY...South wind 5 knots becoming east late in the afternoon. Chance of rain showers in the afternoon. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ146-100400- Port Wing to Sand Island WI- 456 PM CDT Thu Apr 9 2026 .TONIGHT...West wind 5 knots becoming northwest in the late evening and overnight. Mostly cloudy. Waves 1 foot or less. .FRIDAY...West wind 5 knots becoming southwest late in the afternoon. Mostly sunny. Waves 1 foot or less. .FRIDAY NIGHT...Southwest wind 5 knots until early morning becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. .SATURDAY...Variable winds 10 knots or less becoming southeast 5 knots late in the morning, then becoming east in the afternoon. Chance of rain showers in the afternoon. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ147-100400- Sand Island to Bayfield WI- 456 PM CDT Thu Apr 9 2026 .TONIGHT...West wind 5 knots early in the evening becoming variable 10 knots or less, then becoming northwest 5 knots after midnight. Mostly cloudy. Waves 1 foot or less. .FRIDAY...West wind 5 knots becoming southwest late in the afternoon. Mostly sunny. Waves 1 foot or less. .FRIDAY NIGHT...Southwest wind 5 knots until early morning becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. .SATURDAY...Variable winds 10 knots or less becoming south 5 knots late in the morning, then becoming east in the afternoon. Chance of rain showers in the afternoon. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ150-100400- Outer Apostle Islands Beyond 5 NM from Mainland- 456 PM CDT Thu Apr 9 2026 .TONIGHT...West wind 5 knots becoming northwest after midnight. Mostly cloudy. Waves 1 foot or less. .FRIDAY...West wind 5 knots becoming southwest in the afternoon. Mostly sunny. Waves 1 foot or less. .FRIDAY NIGHT...Southwest wind 5 knots. Mostly clear. Waves 1 foot or less. .SATURDAY...Southwest wind 5 knots becoming east in the afternoon. Slight chance of rain showers in the afternoon. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ148-100400- Oak Point to Saxon Harbor WI- 456 PM CDT Thu Apr 9 2026 .TONIGHT...West wind 5 knots. Mostly cloudy. Waves 1 foot or less. .FRIDAY...West wind 5 knots becoming south late in the afternoon. Mostly sunny. Waves 1 foot or less. .FRIDAY NIGHT...Southwest wind 5 knots. Mostly clear. Waves 1 foot or less. .SATURDAY...South wind 5 knots becoming southeast in the afternoon. Chance of rain showers in the afternoon. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH