FZUS53 KDLH 242127 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 427 PM CDT Tue Mar 24 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. LSZ140-250400- Grand Portage to Grand Marais MN- 427 PM CDT Tue Mar 24 2026 .TONIGHT...East wind 5 to 10 knots. Patchy fog late in the night. Chance of snow late in the night. Waves 1 foot or less. .WEDNESDAY...Northeast wind 5 to 10 knots. Patchy fog through the day. Chance of snow and light freezing rain in the morning. Slight chance of snow in the afternoon. Waves 1 foot or less. .WEDNESDAY NIGHT...Northeast wind 10 to 15 knots. Slight chance of light freezing rain and snow in the evening, then chance of light freezing rain after midnight. Patchy fog after midnight. Waves 1 foot or less. .THURSDAY...North wind 10 to 15 knots. Gusts up to 20 knots increasing to 25 knots early in the afternoon, then decreasing to 20 knots late in the afternoon. Chance of light freezing rain and slight chance of snow in the morning. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ141-250400- Grand Marais to Taconite Harbor MN- 427 PM CDT Tue Mar 24 2026 .TONIGHT...East wind 5 to 10 knots. Patchy fog late in the night. Chance of snow and light freezing rain late in the night. Waves 1 to 3 feet. .WEDNESDAY...East wind 5 to 10 knots. Patchy fog in the morning. Chance of snow and light freezing rain in the morning. Waves 1 to 3 feet. .WEDNESDAY NIGHT...East wind 5 to 10 knots. Patchy fog after midnight. Chance of light freezing rain, rain and slight chance of snow after midnight. Waves 1 foot or less. .THURSDAY...North wind 5 to 10 knots. Chance of light freezing rain and slight chance of rain in the morning. Slight chance of snow through the day. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ142-250400- Taconite Harbor to Silver Bay Harbor MN- 427 PM CDT Tue Mar 24 2026 .TONIGHT...East wind 5 to 10 knots. Patchy fog late in the night. Chance of light freezing rain and slight chance of snow late in the night. Waves 1 to 3 feet. .WEDNESDAY...Northeast wind 5 to 10 knots. Patchy fog in the morning. Chance of snow and light freezing rain in the morning. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late morning and afternoon. .WEDNESDAY NIGHT...Northeast wind 5 knots. Patchy fog after midnight. Chance of rain and light freezing rain after midnight. Waves 1 foot or less. .THURSDAY...Northwest wind 5 knots becoming north in the late morning and afternoon. Chance of rain and light freezing rain in the morning. Slight chance of snow through the day. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ143-250400- Silver Bay Harbor to Two Harbors MN- 427 PM CDT Tue Mar 24 2026 .TONIGHT...Northeast wind 5 to 10 knots. Patchy fog late in the night. Slight chance of rain, light freezing rain and snow late in the night. Waves 1 to 3 feet. .WEDNESDAY...Northeast wind 5 to 10 knots. Patchy fog in the morning. Slight chance of rain, snow and light freezing rain in the morning. Waves 1 to 3 feet. .WEDNESDAY NIGHT...Northeast wind 5 knots. Patchy fog after midnight. Chance of rain and light freezing rain after midnight. Waves 1 foot or less. .THURSDAY...Northwest wind 5 to 10 knots becoming north in the late morning and afternoon. Patchy fog in the morning. Chance of rain and light freezing rain in the morning. Slight chance of snow through the day. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ144-250400- Two Harbors to Duluth MN- 427 PM CDT Tue Mar 24 2026 .TONIGHT...Northeast wind 5 to 10 knots. Slight chance of rain late in the night. Waves 1 to 2 feet. .WEDNESDAY...Northeast wind 5 to 10 knots. Slight chance of rain, light freezing rain and snow in the morning. Waves 1 to 2 feet. .WEDNESDAY NIGHT...Northeast wind 5 to 10 knots. Patchy fog after midnight. Chance of rain after midnight. Waves 1 foot or less. .THURSDAY...Northwest wind 5 to 10 knots becoming north 10 to 15 knots in the afternoon. Patchy fog in the morning. Chance of rain in the morning. Chance of snow through the day. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ145-250400- Duluth MN to Port Wing WI- 427 PM CDT Tue Mar 24 2026 .TONIGHT...Northeast wind 5 to 10 knots. Slight chance of rain and light freezing rain late in the night. Waves 1 to 2 feet. .WEDNESDAY...Northeast wind 5 to 10 knots. Slight chance of rain, light freezing rain and snow in the morning. Waves 1 to 2 feet. .WEDNESDAY NIGHT...Northeast wind 5 to 10 knots. Patchy fog after midnight. Chance of rain after midnight. Waves 1 foot or less. .THURSDAY...West wind 5 to 10 knots becoming north 10 to 15 knots in the late morning and afternoon. Patchy fog in the morning. Chance of rain through the day. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ146-250400- Port Wing to Sand Island WI- 427 PM CDT Tue Mar 24 2026 .TONIGHT...East wind 5 to 10 knots. Patchy fog late in the night. Slight chance of rain, light freezing rain and snow late in the night. Waves 1 to 2 feet. .WEDNESDAY...Northeast wind 5 to 10 knots. Patchy fog in the morning. Slight chance of rain and snow in the morning. Waves 1 to 2 feet. .WEDNESDAY NIGHT...Northeast wind 5 to 10 knots. Patchy fog after midnight. Chance of rain after midnight. Waves 1 foot or less. .THURSDAY...West wind 5 to 10 knots becoming north in the late morning and afternoon. Patchy fog in the morning. Chance of rain and snow through the day. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ147-250400- Sand Island to Bayfield WI- 427 PM CDT Tue Mar 24 2026 .TONIGHT...East wind 5 to 10 knots. Patchy fog late in the night. Slight chance of light freezing rain and snow late in the night. Waves 1 to 2 feet. .WEDNESDAY...Northeast wind 5 knots becoming north in the afternoon. Patchy fog in the morning. Slight chance of rain, light freezing rain and snow in the morning. Waves 1 to 2 feet. .WEDNESDAY NIGHT...Northeast wind 5 knots becoming north early in the morning. Chance of rain after midnight. Waves 1 foot or less. .THURSDAY...Northwest wind 5 to 10 knots becoming north in the late morning and afternoon. Patchy fog in the morning. Chance of light freezing rain in the morning. Chance of rain and snow through the day. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ150-250400- Outer Apostle Islands Beyond 5 NM from Mainland- 427 PM CDT Tue Mar 24 2026 .TONIGHT...East wind 5 to 10 knots. Patchy fog late in the night. Slight chance of rain, light freezing rain and snow late in the night. Waves 1 to 2 feet building to 1 to 3 feet in the late evening and overnight. .WEDNESDAY...East wind 5 knots becoming northeast in the afternoon. Patchy fog in the morning. Slight chance of rain and snow in the morning. Waves 1 to 2 feet. .WEDNESDAY NIGHT...Northeast wind 5 to 10 knots becoming north early in the morning. Patchy fog after midnight. Chance of rain after midnight. Waves 1 foot or less. .THURSDAY...North wind 10 to 15 knots with gusts to around 20 knots. Patchy fog in the morning. Chance of light freezing rain in the morning. Chance of rain and snow through the day. Waves 1 to 2 feet building to 1 to 3 feet in the afternoon. Note...Wave height forecasts are for ice free areas. $$ LSZ148-250400- Oak Point to Saxon Harbor WI- 427 PM CDT Tue Mar 24 2026 .TONIGHT...East wind 5 to 10 knots. Slight chance of rain, light freezing rain and snow late in the night. Waves 1 to 3 feet. .WEDNESDAY...East wind 5 knots becoming northeast in the afternoon. Slight chance of rain and snow in the morning. Waves 1 to 2 feet. .WEDNESDAY NIGHT...East wind 5 to 10 knots becoming north after midnight. Chance of rain after midnight. Waves 1 to 2 feet. .THURSDAY...Northwest wind 5 to 10 knots becoming north 10 to 15 knots with gusts to around 20 knots in the late morning and afternoon. Patchy fog in the morning. Chance of light freezing rain in the morning. Chance of rain and snow through the day. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH