FZUS53 KDLH 092128 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 427 PM CDT Sat May 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- 427 PM CDT Sat May 9 2026 .TONIGHT...Northwest wind 10 to 15 knots. Gusts up to 20 knots until early morning. Chance of sprinkles in the evening. Waves 1 foot or less. .SUNDAY...Northwest wind 5 to 10 knots. Partly sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northwest wind 5 to 10 knots. Partly cloudy. Waves 1 foot or less. .MONDAY...North wind 5 knots becoming south late in the morning, then rising to 10 to 15 knots in the afternoon. Sunny. Waves 1 to 2 feet. $$ LSZ141-100400- Grand Marais to Taconite Harbor MN- 427 PM CDT Sat May 9 2026 .TONIGHT...Northwest wind 5 to 10 knots. Gusts up to 20 knots until early morning. Chance of sprinkles in the evening. Waves 1 foot or less. .SUNDAY...Northwest wind 5 to 10 knots. Partly sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northwest wind 5 knots. Partly cloudy. Waves 1 foot or less. .MONDAY...North wind 5 knots becoming south in the late morning and afternoon. Sunny. Waves 1 foot or less. $$ LSZ142-100400- Taconite Harbor to Silver Bay Harbor MN- 427 PM CDT Sat May 9 2026 .TONIGHT...Northwest wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Mostly cloudy early in the evening then becoming partly cloudy. Waves 1 foot or less. .SUNDAY...Northwest wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. .SUNDAY NIGHT...North wind 5 knots. Mostly clear. Waves 1 foot or less. .MONDAY...Variable winds 10 knots or less becoming southeast 5 knots in the late morning and afternoon. Sunny. Waves 1 foot or less. $$ LSZ143-100400- Silver Bay Harbor to Two Harbors MN- 427 PM CDT Sat May 9 2026 .TONIGHT...Northwest wind 5 to 10 knots. Mostly cloudy early in the evening then becoming partly cloudy. Waves 1 foot or less. .SUNDAY...Northwest wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. .SUNDAY NIGHT...North wind 5 knots. Partly cloudy. Waves 1 foot or less. .MONDAY...Variable winds 10 knots or less becoming east 5 knots in the afternoon. Sunny. Waves 1 foot or less. $$ LSZ144-100400- Two Harbors to Duluth MN- 427 PM CDT Sat May 9 2026 .TONIGHT...Northwest wind 10 to 15 knots with gusts to around 20 knots easing to 5 to 10 knots after midnight. Mostly cloudy early in the evening then becoming partly cloudy. Waves 1 foot or less. .SUNDAY...Northwest wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. .SUNDAY NIGHT...North wind 5 knots. Partly cloudy. Waves 1 foot or less. .MONDAY...Variable winds 10 knots or less becoming east 5 to 10 knots in the late morning and afternoon. Sunny. Waves 1 foot or less. $$ LSZ145-100400- Duluth MN to Port Wing WI- 427 PM CDT Sat May 9 2026 .TONIGHT...Northwest wind 10 to 15 knots. Gusts up to 20 knots early in the evening. Mostly cloudy early in the evening then becoming partly cloudy. Waves 1 to 2 feet. .SUNDAY...Northwest wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northeast wind 5 knots. Partly cloudy. Waves 1 foot or less. .MONDAY...Variable winds 10 knots or less becoming northeast 5 to 10 knots in the late morning and afternoon. Sunny. Waves 1 foot or less. $$ LSZ146-100400- Port Wing to Sand Island WI- 427 PM CDT Sat May 9 2026 .TONIGHT...Northwest wind 5 to 10 knots. Mostly cloudy early in the evening then becoming partly cloudy. Waves 1 to 2 feet. .SUNDAY...West wind 5 to 10 knots easing to 5 knots late in the afternoon. Mostly sunny. Waves 1 foot or less. .SUNDAY NIGHT...North wind 5 knots. Partly cloudy. Waves 1 foot or less. .MONDAY...Variable winds 10 knots or less becoming east 5 knots in the afternoon. Sunny. Waves 1 foot or less. $$ LSZ147-100400- Sand Island to Bayfield WI- 427 PM CDT Sat May 9 2026 .TONIGHT...Northwest wind 5 to 10 knots. Mostly cloudy early in the evening then becoming partly cloudy. Waves 1 to 2 feet. .SUNDAY...Northwest wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. .SUNDAY NIGHT...North wind 5 knots. Partly cloudy. Waves 1 foot or less. .MONDAY...Variable winds 10 knots or less becoming east 5 to 10 knots in the afternoon. Sunny. Waves 1 foot or less. $$ LSZ150-100400- Outer Apostle Islands Beyond 5 NM from Mainland- 427 PM CDT Sat May 9 2026 .TONIGHT...Northwest wind 5 to 10 knots. Mostly cloudy early in the evening then becoming partly cloudy. Waves 1 to 2 feet. .SUNDAY...Northwest wind 5 to 10 knots becoming west late in the afternoon. Mostly sunny. Waves 1 foot or less. .SUNDAY NIGHT...West wind 5 to 10 knots becoming northwest after midnight. Partly cloudy. Waves 1 foot or less. .MONDAY...North wind 5 knots early in the morning becoming variable 10 knots or less, then becoming east 5 to 10 knots in the afternoon. Sunny. Waves 1 foot or less. $$ LSZ121-100400- Chequamegon Bay-Bayfield to Oak Point WI- 427 PM CDT Sat May 9 2026 .TONIGHT...Northwest wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Mostly cloudy early in the evening then becoming partly cloudy. Waves 1 foot or less. .SUNDAY...Northwest wind 5 to 10 knots becoming north late in the afternoon. Mostly sunny. Waves 1 foot or less. .SUNDAY NIGHT...North wind 5 knots becoming northwest after midnight. Mostly clear. Waves 1 foot or less. .MONDAY...Variable winds 10 knots or less becoming east 5 to 10 knots in the afternoon. Sunny. Waves 1 foot or less. $$ LSZ148-100400- Oak Point to Saxon Harbor WI- 427 PM CDT Sat May 9 2026 .TONIGHT...Northwest wind 5 to 10 knots. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 foot or less. .SUNDAY...Northwest wind 5 to 10 knots becoming north in the afternoon. Mostly sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northeast wind 5 knots becoming south late in the evening, then becoming west after midnight. Partly cloudy. Waves 1 foot or less. .MONDAY...Variable winds 10 knots or less becoming northeast 5 to 10 knots in the late morning and afternoon. Sunny. Waves 1 foot or less. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH