FZUS53 KDLH 310327 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 1027 PM CDT Sat May 30 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. LSZ140-311000- Grand Portage to Grand Marais MN- 1027 PM CDT Sat May 30 2026 .REST OF TONIGHT...Northeast wind 10 to 15 knots. Partly cloudy. Waves 1 to 3 feet. .SUNDAY...East wind 5 knots becoming southwest in the afternoon. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Southwest wind 5 knots becoming northeast early in the morning. Partly cloudy. Waves 1 foot or less. .MONDAY...Northeast wind 15 to 20 knots. Gusts up to 25 knots in the afternoon. Sunny. Waves 1 to 3 feet building to 2 to 4 feet in the afternoon. $$ LSZ141-311000- Grand Marais to Taconite Harbor MN- 1027 PM CDT Sat May 30 2026 .REST OF TONIGHT...Northeast wind 5 to 10 knots. Partly cloudy. Waves 1 to 3 feet. .SUNDAY...Northeast wind 5 knots early in the morning becoming east, then becoming southeast early in the afternoon becoming variable 10 knots or less. Sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...Variable winds 10 knots or less becoming north 5 knots early in the morning. Partly cloudy. Waves 1 foot or less. .MONDAY...East wind 10 to 15 knots. Gusts up to 25 knots. Mostly sunny. Waves 1 to 2 feet building to 2 to 4 feet in the afternoon. $$ LSZ142-311000- Taconite Harbor to Silver Bay Harbor MN- 1027 PM CDT Sat May 30 2026 .REST OF TONIGHT...Northeast wind 5 to 10 knots. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet toward daybreak. .SUNDAY...Variable winds 10 knots or less. Mostly sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...Variable winds 10 knots or less. Partly cloudy. Waves 1 foot or less. .MONDAY...Northeast wind 5 to 10 knots. Gusts up to 20 knots in the afternoon. Mostly sunny. Waves 1 to 3 feet. $$ LSZ143-311000- Silver Bay Harbor to Two Harbors MN- 1027 PM CDT Sat May 30 2026 .REST OF TONIGHT...Northeast wind 10 to 15 knots with gusts to around 20 knots easing to 5 knots toward daybreak. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet toward daybreak. .SUNDAY...Northeast wind 5 knots. Mostly sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...Northeast wind 5 knots. Partly cloudy. Waves 1 foot or less. .MONDAY...Northeast wind 10 to 15 knots with gusts to around 20 knots. Mostly sunny. Waves 1 to 3 feet. $$ LSZ144-311000- Two Harbors to Duluth MN- 1027 PM CDT Sat May 30 2026 .REST OF TONIGHT...Northeast wind 10 to 15 knots with gusts to around 20 knots easing to 5 knots toward daybreak. Partly cloudy then becoming mostly cloudy after midnight then becoming partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet toward daybreak. .SUNDAY...Northeast wind 5 knots. Mostly sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...Northeast wind 5 knots. Mostly cloudy. Waves 1 foot or less. .MONDAY...Northeast wind 10 to 15 knots. Gusts up to 25 knots. Mostly sunny. Waves 1 to 3 feet. $$ LSZ145-311000- Duluth MN to Port Wing WI- 1027 PM CDT Sat May 30 2026 .REST OF TONIGHT...Northeast wind 10 to 15 knots easing to 5 knots toward daybreak. Partly cloudy late in the evening then becoming mostly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet toward daybreak. .SUNDAY...Northeast wind 5 to 10 knots. Mostly sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...Northeast wind 5 knots becoming southeast early in the morning. Mostly cloudy. Waves 1 foot or less. .MONDAY...Northeast wind 5 knots rising to 15 to 20 knots with gusts to around 25 knots in the late morning and afternoon. Mostly sunny. Waves 1 to 3 feet. $$ LSZ146-311000- Port Wing to Sand Island WI- 1027 PM CDT Sat May 30 2026 .REST OF TONIGHT...Northeast wind 5 to 10 knots. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet toward daybreak. .SUNDAY...Northeast wind 5 knots. Mostly sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...East wind 5 knots becoming north after midnight, then becoming variable 10 knots or less early in the morning. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. .MONDAY...Northeast wind 10 to 15 knots with gusts to around 20 knots. Mostly sunny. Waves 1 to 2 feet building to 1 to 3 feet late in the afternoon. $$ LSZ147-311000- Sand Island to Bayfield WI- 1027 PM CDT Sat May 30 2026 .REST OF TONIGHT...Northeast wind 5 to 10 knots in the late evening and early morning becoming variable 10 knots or less. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet toward daybreak. .SUNDAY...Variable winds 10 knots or less becoming northeast 5 knots in the afternoon. Mostly sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...Variable winds 10 knots or less becoming north 5 knots early in the morning. Partly cloudy. Waves 1 foot or less. .MONDAY...Northeast wind 5 to 10 knots. Mostly sunny. Waves 1 to 2 feet building to 1 to 3 feet late in the afternoon. $$ LSZ150-311000- Outer Apostle Islands Beyond 5 NM from Mainland- 1027 PM CDT Sat May 30 2026 .REST OF TONIGHT...Northeast wind 10 to 15 knots with gusts to around 20 knots becoming east 5 to 10 knots after midnight, then becoming northeast toward daybreak. Partly cloudy. Waves 3 to 5 feet subsiding to 1 to 3 feet toward daybreak. .SUNDAY...Northeast wind 5 knots early in the morning becoming variable 10 knots or less, then becoming northeast 5 knots in the afternoon. Mostly sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...East wind 5 knots becoming north after midnight. Partly cloudy. Waves 1 foot or less. .MONDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the afternoon. Mostly sunny. Waves 1 to 2 feet building to 2 to 4 feet in the afternoon. A small craft advisory may be needed. $$ LSZ121-311000- Chequamegon Bay-Bayfield to Oak Point WI- 1027 PM CDT Sat May 30 2026 .REST OF TONIGHT...North wind 5 knots late in the evening becoming variable 10 knots or less. Partly cloudy. Waves 1 foot or less. .SUNDAY...Variable winds 10 knots or less becoming northeast 5 to 10 knots in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northeast wind 5 knots early in the evening becoming variable 10 knots or less. Partly cloudy. Waves 1 foot or less. .MONDAY...Northeast wind 5 to 10 knots. Sunny. Waves 1 foot or less. $$ LSZ148-311000- Oak Point to Saxon Harbor WI- 1027 PM CDT Sat May 30 2026 .REST OF TONIGHT...West wind 5 knots becoming southwest after midnight, then becoming north toward daybreak. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight. .SUNDAY...Variable winds 10 knots or less becoming northeast 5 knots in the late morning and afternoon. Mostly sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...Northeast wind 5 knots early in the evening becoming variable 10 knots or less. Partly cloudy. Waves 1 foot or less. .MONDAY...Northeast wind 5 to 10 knots. Mostly sunny. Waves 1 to 3 feet. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH