FZUS53 KDLH 221000 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 500 AM CDT Sat Aug 22 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. LSZ140-221600- Grand Portage to Grand Marais MN- 500 AM CDT Sat Aug 22 2026 .TODAY...Northwest wind 10 to 15 knots easing to 5 to 10 knots in the afternoon. Gusts up to 20 knots. Scattered sprinkles in the late morning and afternoon. Waves 1 to 2 feet. .TONIGHT...North wind 10 to 15 knots with gusts to around 20 knots. Partly cloudy. Waves 1 to 2 feet. .SUNDAY...North wind 10 to 15 knots with gusts to around 20 knots becoming northeast 5 knots early in the afternoon, then becoming southwest late in the afternoon. Mostly sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...Southwest wind 5 to 10 knots becoming northwest early in the morning. Partly cloudy. Waves 1 foot or less. $$ LSZ141-221600- Grand Marais to Taconite Harbor MN- 500 AM CDT Sat Aug 22 2026 .TODAY...Northwest wind 5 to 10 knots with gusts to around 20 knots. Scattered sprinkles in the late morning and afternoon. Waves 1 foot or less. .TONIGHT...North wind 5 to 10 knots. Partly cloudy. Waves 1 foot or less. .SUNDAY...North wind 5 to 10 knots becoming south in the afternoon. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Southwest wind 5 knots becoming northwest in the late evening and overnight. Mostly clear. Waves 1 foot or less. $$ LSZ142-221600- Taconite Harbor to Silver Bay Harbor MN- 500 AM CDT Sat Aug 22 2026 .TODAY...Northwest wind 5 to 10 knots with gusts to around 20 knots. Scattered sprinkles in the late morning and afternoon. Waves 1 foot or less. .TONIGHT...North wind 5 knots. Mostly clear. Waves 1 foot or less. .SUNDAY...North wind 5 knots becoming northeast late in the morning, then becoming south in the afternoon. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...South wind 5 knots early in the evening becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. $$ LSZ143-221600- Silver Bay Harbor to Two Harbors MN- 500 AM CDT Sat Aug 22 2026 .TODAY...Northwest wind 5 to 10 knots. Scattered sprinkles in the afternoon. Waves 1 foot or less. .TONIGHT...North wind 5 knots. Mostly clear. Waves 1 foot or less. .SUNDAY...North wind 5 knots becoming northeast late in the morning, then becoming southeast in the afternoon. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Variable winds 10 knots or less. Mostly clear. Waves 1 foot or less. $$ LSZ144-221600- Two Harbors to Duluth MN- 500 AM CDT Sat Aug 22 2026 .TODAY...Northwest wind 5 to 10 knots with gusts to around 20 knots. Sunny. Waves 1 foot or less. .TONIGHT...North wind 5 to 10 knots. Mostly clear. Waves 1 foot or less. .SUNDAY...North wind 5 knots becoming east in the afternoon. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northeast wind 5 knots in the evening becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. $$ LSZ145-221600- Duluth MN to Port Wing WI- 500 AM CDT Sat Aug 22 2026 .TODAY...Northwest wind 10 to 15 knots. Gusts up to 20 knots in the late morning and afternoon. Sunny. Waves 1 to 2 feet. .TONIGHT...North wind 5 to 10 knots. Mostly clear. Waves 1 foot or less. .SUNDAY...North wind 5 knots becoming east in the afternoon. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...East wind 5 knots becoming southeast after midnight, then becoming variable 10 knots or less early in the morning. Mostly clear. Waves 1 foot or less. $$ LSZ146-221600- Port Wing to Sand Island WI- 500 AM CDT Sat Aug 22 2026 .TODAY...Northwest wind 5 to 10 knots. Scattered sprinkles in the afternoon. Waves 1 foot or less. .TONIGHT...North wind 5 knots. Mostly clear. Waves 1 foot or less. .SUNDAY...North wind 5 knots becoming east early in the afternoon, then becoming variable 10 knots or less late in the afternoon. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Variable winds 10 knots or less. Mostly clear. Waves 1 foot or less. $$ LSZ147-221600- Sand Island to Bayfield WI- 500 AM CDT Sat Aug 22 2026 .TODAY...Northwest wind 5 to 10 knots. Gusts up to 20 knots in the late morning and early afternoon. Scattered sprinkles in the late morning and afternoon. Waves 1 foot or less. .TONIGHT...North wind 5 to 10 knots. Mostly clear. Waves 1 foot or less. .SUNDAY...North wind 5 to 10 knots becoming southeast late in the afternoon. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Southeast wind 5 knots early in the evening becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. $$ LSZ150-221600- Outer Apostle Islands Beyond 5 NM from Mainland- 500 AM CDT Sat Aug 22 2026 .TODAY...Northwest wind 5 to 10 knots. Gusts up to 20 knots until late afternoon. Scattered sprinkles in the late morning and afternoon. Waves 1 foot or less. .TONIGHT...North wind 5 to 10 knots. Mostly clear. Waves 1 foot or less. .SUNDAY...North wind 5 to 10 knots becoming southeast late in the afternoon. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...South wind 5 knots becoming west after midnight. Mostly clear. Waves 1 foot or less. $$ LSZ121-221600- Chequamegon Bay-Bayfield to Oak Point WI- 500 AM CDT Sat Aug 22 2026 .TODAY...Northwest wind 5 to 10 knots. Gusts up to 20 knots in the late morning and afternoon. Scattered sprinkles in the afternoon. Waves 1 foot or less. .TONIGHT...North wind 5 to 10 knots. Mostly clear. Waves 1 foot or less. .SUNDAY...North wind 5 knots becoming east late in the afternoon. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...East wind 5 knots early in the evening becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. $$ LSZ148-221600- Oak Point to Saxon Harbor WI- 500 AM CDT Sat Aug 22 2026 .TODAY...Northwest wind 5 to 10 knots. Gusts up to 20 knots in the late morning and early afternoon. Scattered sprinkles in the afternoon. Waves 1 foot or less. .TONIGHT...North wind 5 to 10 knots. Mostly clear. Waves 1 foot or less. .SUNDAY...North wind 5 to 10 knots becoming east late in the afternoon. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Southeast wind 5 knots becoming southwest after midnight. Mostly clear. Waves 1 foot or less. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH