FZUS53 KDLH 100958 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 458 AM CDT Sun May 10 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. LSZ140-101600- Grand Portage to Grand Marais MN- 458 AM CDT Sun May 10 2026 .TODAY...Northwest wind 10 to 15 knots. Mostly sunny. Waves 1 foot or less. .TONIGHT...Northwest wind 5 to 10 knots becoming north in the late evening and overnight. Partly cloudy in the evening then clearing. Waves 1 foot or less. .MONDAY...Northwest wind 5 knots becoming south 10 to 15 knots in the late morning and afternoon. Sunny. Waves 1 to 2 feet. .MONDAY NIGHT...Southeast wind 5 to 10 knots becoming east 10 to 15 knots after midnight. Chance of rain showers and slight chance of snow showers after midnight. Waves 1 to 3 feet. $$ LSZ141-101600- Grand Marais to Taconite Harbor MN- 458 AM CDT Sun May 10 2026 .TODAY...Northwest wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. .TONIGHT...Northwest wind 5 knots becoming north in the late evening and overnight. Mostly clear. Waves 1 foot or less. .MONDAY...Variable winds 10 knots or less becoming south 5 knots in the late morning and afternoon. Sunny. Waves 1 foot or less. .MONDAY NIGHT...East wind 5 to 10 knots. Rain showers likely after midnight. Waves 1 to 2 feet. $$ LSZ142-101600- Taconite Harbor to Silver Bay Harbor MN- 458 AM CDT Sun May 10 2026 .TODAY...Northwest wind 5 knots. Mostly sunny. Waves 1 foot or less. .TONIGHT...Northwest wind 5 knots early in the evening becoming variable 10 knots or less. 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. .MONDAY NIGHT...Northeast wind 5 knots. Rain showers likely after midnight. Waves 1 foot or less. $$ LSZ143-101600- Silver Bay Harbor to Two Harbors MN- 458 AM CDT Sun May 10 2026 .TODAY...Northwest wind 5 knots. Mostly sunny. Waves 1 foot or less. .TONIGHT...Northwest wind 5 knots early in the evening becoming variable 10 knots or less. Partly cloudy. Waves 1 foot or less. .MONDAY...Variable winds 10 knots or less becoming east 5 knots in the afternoon. Sunny. Waves 1 foot or less. .MONDAY NIGHT...Northeast wind 5 to 10 knots. Rain showers likely after midnight. Waves 1 foot or less. $$ LSZ144-101600- Two Harbors to Duluth MN- 458 AM CDT Sun May 10 2026 .TODAY...Northwest wind 5 to 10 knots. Sunny in the morning then becoming partly sunny. Waves 1 foot or less. .TONIGHT...North wind 5 to 10 knots until early morning becoming variable 10 knots or less. 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. .MONDAY NIGHT...East wind 5 to 10 knots. Rain showers likely after midnight. Waves 1 foot or less. $$ LSZ145-101600- Duluth MN to Port Wing WI- 458 AM CDT Sun May 10 2026 .TODAY...Northwest wind 5 to 10 knots. Sunny in the morning then becoming partly sunny. Waves 1 foot or less. .TONIGHT...North wind 5 to 10 knots until early morning becoming variable 10 knots or less. Partly cloudy. Waves 1 foot or less. .MONDAY...Variable winds 10 knots or less becoming northeast 5 to 10 knots in the late morning and afternoon. Sunny. Waves 1 foot or less. .MONDAY NIGHT...East wind 5 to 10 knots. Rain showers likely after midnight. Waves 1 foot or less. $$ LSZ146-101600- Port Wing to Sand Island WI- 458 AM CDT Sun May 10 2026 .TODAY...West wind 5 to 10 knots easing to 5 knots late in the afternoon. Mostly sunny. Waves 1 foot or less. .TONIGHT...Variable winds 10 knots or less. 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. .MONDAY NIGHT...East wind 5 to 10 knots. Rain showers likely after midnight. Waves 1 foot or less. $$ LSZ147-101600- Sand Island to Bayfield WI- 458 AM CDT Sun May 10 2026 .TODAY...Northwest wind 5 knots. Mostly sunny. Waves 1 foot or less. .TONIGHT...Variable winds 10 knots or less. Partly cloudy. Waves 1 foot or less. .MONDAY...Variable winds 10 knots or less becoming east 5 to 10 knots in the afternoon. Sunny. Waves 1 foot or less. .MONDAY NIGHT...Southeast wind 5 to 10 knots. Rain showers likely after midnight. Waves 1 foot or less. $$ LSZ150-101600- Outer Apostle Islands Beyond 5 NM from Mainland- 458 AM CDT Sun May 10 2026 .TODAY...Northwest wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. .TONIGHT...Southwest wind 5 knots becoming northwest in the late evening and early morning, then becoming north early in the morning. Partly cloudy in the evening then clearing. 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. .MONDAY NIGHT...Southeast wind 5 to 10 knots rising to 10 to 15 knots early in the morning. Rain showers likely after midnight. Waves 1 to 2 feet. $$ LSZ121-101600- Chequamegon Bay-Bayfield to Oak Point WI- 458 AM CDT Sun May 10 2026 .TODAY...Northwest wind 5 to 10 knots becoming north late in the afternoon. Mostly sunny. Waves 1 foot or less. .TONIGHT...Northeast wind 5 knots early in the evening becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. .MONDAY...Variable winds 10 knots or less becoming east 5 to 10 knots in the late morning and afternoon. Sunny. Waves 1 foot or less. .MONDAY NIGHT...East wind 5 to 10 knots becoming south after midnight. Rain showers likely after midnight. Waves 1 foot or less. $$ LSZ148-101600- Oak Point to Saxon Harbor WI- 458 AM CDT Sun May 10 2026 .TODAY...Northwest wind 5 to 10 knots becoming north late in the afternoon. Mostly sunny. Waves 1 foot or less. .TONIGHT...East wind 5 knots early in the evening becoming variable 10 knots or less. Mostly clear. 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. .MONDAY NIGHT...East wind 5 to 10 knots becoming south 10 to 15 knots with gusts to around 25 knots after midnight. Rain showers likely after midnight. Waves 1 to 2 feet. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH