FZUS53 KDLH 191856 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 156 PM CDT Thu Mar 19 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. LSZ140-192200- Grand Portage to Grand Marais MN- 156 PM CDT Thu Mar 19 2026 .REST OF TODAY...Southeast wind 5 to 10 knots. Chance of snow late. Waves 1 foot or less. .TONIGHT...Southeast wind 5 to 10 knots becoming west early in the morning. Chance of snow and light freezing drizzle in the evening. Chance of light freezing rain through the night. Slight chance of light freezing drizzle after midnight. Patchy fog after midnight. Waves 1 foot or less. .FRIDAY...Northwest wind 5 to 10 knots becoming southwest in the afternoon. Patchy fog in the morning. Waves 1 foot or less. .FRIDAY NIGHT...West wind 5 to 10 knots becoming north early in the morning. Mostly cloudy. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ141-192200- Grand Marais to Taconite Harbor MN- 156 PM CDT Thu Mar 19 2026 .REST OF TODAY...Southeast wind 5 knots. Slight chance of light freezing drizzle and snow late. Waves 1 foot or less. .TONIGHT...East wind 5 knots becoming southwest after midnight. Chance of light freezing drizzle, snow and slight chance of drizzle in the evening. Slight chance of light freezing drizzle after midnight. Patchy fog after midnight. Waves 1 to 2 feet. .FRIDAY...West wind 5 knots. Mostly sunny. Waves 1 foot or less. .FRIDAY NIGHT...West wind 5 knots becoming northeast early in the morning. Mostly cloudy. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ142-192200- Taconite Harbor to Silver Bay Harbor MN- 156 PM CDT Thu Mar 19 2026 .REST OF TODAY...East wind 5 to 10 knots. Slight chance of drizzle and light freezing drizzle late. Waves 1 foot or less. .TONIGHT...East wind 5 knots becoming southwest in the late evening and early morning, then becoming southwest 5 knots early in the morning. Slight chance of drizzle, light freezing drizzle and snow in the evening. Patchy fog after midnight. Waves 1 foot or less. .FRIDAY...West wind 5 knots. Patchy fog in the morning. Waves 1 foot or less. .FRIDAY NIGHT...West wind 5 knots becoming northeast early in the morning. Mostly cloudy. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ143-192200- Silver Bay Harbor to Two Harbors MN- 156 PM CDT Thu Mar 19 2026 .REST OF TODAY...East wind 5 to 10 knots. Partly sunny. Waves 1 foot or less. .TONIGHT...East wind 5 knots becoming southwest in the late evening and overnight. Slight chance of light freezing drizzle in the evening. Waves 1 foot or less. .FRIDAY...West wind 5 knots. Patchy fog in the morning. Waves 1 foot or less. .FRIDAY NIGHT...West wind 5 knots becoming northwest after midnight, then becoming northeast early in the morning. Mostly cloudy. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ144-192200- Two Harbors to Duluth MN- 156 PM CDT Thu Mar 19 2026 .REST OF TODAY...East wind 5 to 10 knots. Partly sunny. Waves 1 foot or less. .TONIGHT...East wind 5 to 10 knots becoming southwest in the late evening and early morning, then becoming west early in the morning. Mostly cloudy. Waves 1 foot or less. .FRIDAY...West wind 5 to 10 knots. Patchy fog in the morning. Waves 1 foot or less. .FRIDAY NIGHT...West wind 5 knots becoming northeast early in the morning. Mostly cloudy. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ145-192200- Duluth MN to Port Wing WI- 156 PM CDT Thu Mar 19 2026 .REST OF TODAY...Northeast wind 5 to 10 knots. Partly sunny. Waves 1 foot or less. .TONIGHT...East wind 5 to 10 knots becoming southwest in the late evening and overnight. Mostly cloudy. Waves 1 foot or less. .FRIDAY...West wind 5 to 10 knots. Patchy fog in the morning. Waves 1 foot or less. .FRIDAY NIGHT...Southwest wind 5 knots becoming southeast early in the morning. Mostly cloudy. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ146-192200- Port Wing to Sand Island WI- 156 PM CDT Thu Mar 19 2026 .REST OF TODAY...East wind 5 to 10 knots. Slight chance of light freezing drizzle late. Waves 1 foot or less. .TONIGHT...Southeast wind 5 knots becoming southwest in the late evening and overnight. Slight chance of light freezing drizzle in the evening. Patchy fog after midnight. Waves 1 foot or less. .FRIDAY...West wind 5 knots. Patchy fog in the morning. Waves 1 foot or less. .FRIDAY NIGHT...Southwest wind 5 knots becoming southeast early in the morning. Mostly cloudy. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ147-192200- Sand Island to Bayfield WI- 156 PM CDT Thu Mar 19 2026 .REST OF TODAY...East wind 5 to 10 knots. Slight chance of drizzle and light freezing drizzle late. Waves 1 foot or less. .TONIGHT...Southeast wind 5 knots becoming southwest in the late evening and early morning, then becoming west early in the morning. Slight chance of drizzle and light freezing drizzle in the evening. Patchy fog through the night. Waves 1 foot or less. .FRIDAY...West wind 5 knots. Patchy fog in the morning. Waves 1 foot or less. .FRIDAY NIGHT...West wind 5 knots becoming south early in the morning. Mostly cloudy. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ150-192200- Outer Apostle Islands Beyond 5 NM from Mainland- 156 PM CDT Thu Mar 19 2026 .REST OF TODAY...East wind 5 to 10 knots. Slight chance of drizzle and light freezing drizzle late. Waves 1 foot or less. .TONIGHT...Southeast wind 5 knots becoming southwest in the late evening and early morning, then becoming west early in the morning. Slight chance of drizzle and light freezing drizzle in the evening. Patchy fog through the night. Waves 1 foot or less. .FRIDAY...West wind 5 to 10 knots. Patchy fog in the morning. Waves 1 foot or less. .FRIDAY NIGHT...West wind 5 knots becoming south early in the morning. Mostly cloudy. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ148-192200- Oak Point to Saxon Harbor WI- 156 PM CDT Thu Mar 19 2026 .REST OF TODAY...East wind 5 to 10 knots. Partly sunny. Waves 1 foot or less. .TONIGHT...Southeast wind 5 to 10 knots becoming southwest in the late evening and overnight. Patchy fog after midnight. Waves 1 foot or less. .FRIDAY...West wind 5 to 10 knots. Patchy fog in the morning. Waves 1 foot or less. .FRIDAY NIGHT...Southwest wind 5 knots becoming south early in the morning. Mostly cloudy. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH