FZUS53 KDLH 202200 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 500 PM CDT Sat Jun 20 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. LSZ140-210400- Grand Portage to Grand Marais MN- 500 PM CDT Sat Jun 20 2026 .TONIGHT...Southwest wind 5 knots becoming north after midnight. Scattered showers and thunderstorms early in the evening, then isolated showers and thunderstorms late in the evening. Waves 1 foot or less. .SUNDAY...North wind 5 knots becoming southeast late in the morning, then becoming south in the afternoon. Mostly sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northwest wind 5 knots becoming north in the late evening and overnight. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. .MONDAY...North wind 5 knots becoming east late in the morning, then becoming southwest in the afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ141-210400- Grand Marais to Taconite Harbor MN- 500 PM CDT Sat Jun 20 2026 .TONIGHT...Northwest wind 5 knots becoming north after midnight. Scattered showers and thunderstorms early in the evening. Waves 1 foot or less. .SUNDAY...North wind 5 knots becoming southeast in the late morning and early afternoon, then becoming variable 10 knots or less late in the afternoon. Mostly sunny. Waves 1 foot or less. .SUNDAY NIGHT...Variable winds 10 knots or less becoming north 5 knots early in the morning. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. .MONDAY...North wind 5 knots becoming southeast late in the morning, then becoming south in the afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ142-210400- Taconite Harbor to Silver Bay Harbor MN- 500 PM CDT Sat Jun 20 2026 .TONIGHT...Northwest wind 5 knots early in the evening becoming variable 10 knots or less, then becoming north 5 knots after midnight becoming variable 10 knots or less. Isolated showers and thunderstorms early in the evening. Waves 1 foot or less. .SUNDAY...Variable winds 10 knots or less. Mostly sunny. Waves 1 foot or less. .SUNDAY NIGHT...Variable winds 10 knots or less. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. .MONDAY...Variable winds 10 knots or less. Mostly sunny. Waves 1 foot or less. $$ LSZ143-210400- Silver Bay Harbor to Two Harbors MN- 500 PM CDT Sat Jun 20 2026 .TONIGHT...Northwest wind 5 knots early in the evening becoming variable 10 knots or less, then becoming north 5 knots after midnight becoming variable 10 knots or less. Isolated showers and thunderstorms early in the evening. Waves 1 foot or less. .SUNDAY...Variable winds 10 knots or less becoming northeast 5 knots late in the afternoon. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northeast wind 5 knots until early morning becoming variable 10 knots or less. Partly cloudy. Waves 1 foot or less. .MONDAY...Variable winds 10 knots or less. Mostly sunny. Waves 1 foot or less. $$ LSZ144-210400- Two Harbors to Duluth MN- 500 PM CDT Sat Jun 20 2026 .TONIGHT...Northwest wind 5 knots. Isolated showers and thunderstorms early in the evening. Waves 1 foot or less. .SUNDAY...North wind 5 knots becoming east in the late morning and afternoon. 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 east 5 knots in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ145-210400- Duluth MN to Port Wing WI- 500 PM CDT Sat Jun 20 2026 .TONIGHT...Northwest wind 5 knots. Isolated showers and thunderstorms early in the evening. Waves 1 foot or less. .SUNDAY...North wind 5 knots becoming northeast in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northeast wind 5 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. .MONDAY...Northeast wind 5 knots. Mostly sunny. Waves 1 foot or less. $$ LSZ146-210400- Port Wing to Sand Island WI- 500 PM CDT Sat Jun 20 2026 .TONIGHT...West wind 5 knots early in the evening becoming variable 10 knots or less, then becoming northwest 5 knots after midnight becoming variable 10 knots or less. Isolated showers and thunderstorms early in the evening. Waves 1 foot or less. .SUNDAY...Variable winds 10 knots or less becoming northeast 5 knots late in the afternoon. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northeast wind 5 knots until early morning becoming variable 10 knots or less. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. .MONDAY...Variable winds 10 knots or less. Mostly sunny. Waves 1 foot or less. $$ LSZ147-210400- Sand Island to Bayfield WI- 500 PM CDT Sat Jun 20 2026 .TONIGHT...Variable winds 10 knots or less. Isolated showers and thunderstorms early in the evening. Patchy fog late in the night. Waves 1 foot or less. .SUNDAY...Variable winds 10 knots or less becoming east 5 knots in the afternoon. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Variable winds 10 knots or less. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. .MONDAY...Variable winds 10 knots or less becoming northeast 5 knots early in the afternoon, then becoming variable 10 knots or less late in the afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ150-210400- Outer Apostle Islands Beyond 5 NM from Mainland- 500 PM CDT Sat Jun 20 2026 .TONIGHT...Southwest wind 5 knots early in the evening becoming variable 10 knots or less, then becoming northwest 5 knots after midnight. Isolated showers and thunderstorms early in the evening. Patchy fog late in the night. Waves 1 foot or less. .SUNDAY...Variable winds 10 knots or less becoming east 5 knots in the afternoon. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northeast wind 5 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. .MONDAY...Variable winds 10 knots or less becoming northeast 5 knots in the late morning and early afternoon, then becoming east late in the afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ121-210400- Chequamegon Bay-Bayfield to Oak Point WI- 500 PM CDT Sat Jun 20 2026 .TONIGHT...West wind 5 knots early in the evening becoming variable 10 knots or less. Isolated showers and thunderstorms early in the evening. Patchy fog late in the night. Waves 1 foot or less. .SUNDAY...Variable winds 10 knots or less becoming northeast 5 knots in the late morning and afternoon. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northeast wind 5 knots in the evening becoming variable 10 knots or less. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. .MONDAY...Variable winds 10 knots or less becoming northeast 5 knots in the late morning and afternoon. Partly sunny in the morning then clearing. Waves 1 foot or less. $$ LSZ148-210400- Oak Point to Saxon Harbor WI- 500 PM CDT Sat Jun 20 2026 .TONIGHT...South wind 5 knots early in the evening becoming variable 10 knots or less. Isolated showers and thunderstorms early in the evening. Patchy fog late in the night. Waves 1 foot or less. .SUNDAY...Variable winds 10 knots or less becoming northeast 5 knots in the late morning and early afternoon, then becoming east late in the afternoon. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northeast wind 5 knots until early morning becoming variable 10 knots or less. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. .MONDAY...Variable winds 10 knots or less becoming northeast 5 knots in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH