FZUS53 KDLH 201627 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 1127 AM CDT Fri Mar 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. LSZ140-202200- Grand Portage to Grand Marais MN- 1127 AM CDT Fri Mar 20 2026 .REST OF TODAY...West wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. .TONIGHT...West wind 5 knots becoming east after midnight. Chance of snow and slight chance of light freezing rain after midnight. Waves 1 foot or less. .SATURDAY...East wind 10 to 15 knots. Gusts up to 20 knots late in the afternoon. Patchy fog through the day. Slight chance of rain in the morning. Chance of snow through the day. Chance of rain in the afternoon. Waves 1 foot or less. .SATURDAY NIGHT...Northeast wind 15 to 20 knots. Gusts up to 25 knots increasing to 30 knots early in the morning. Chance of rain and light sleet in the evening. Slight chance of snow and light freezing rain through the night. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ141-202200- Grand Marais to Taconite Harbor MN- 1127 AM CDT Fri Mar 20 2026 .REST OF TODAY...West wind 5 knots. Mostly sunny. Waves 1 foot or less. .TONIGHT...Northwest wind 5 knots becoming east early in the morning. Slight chance of rain after midnight. Waves 1 foot or less. .SATURDAY...East wind 5 to 10 knots. Patchy fog through the day. Chance of snow in the morning. Chance of rain through the day. Slight chance of snow in the afternoon. Waves 1 to 2 feet. .SATURDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to 25 knots. Chance of rain and slight chance of snow. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ142-202200- Taconite Harbor to Silver Bay Harbor MN- 1127 AM CDT Fri Mar 20 2026 .REST OF TODAY...West wind 5 knots. Mostly sunny. Waves 1 foot or less. .TONIGHT...Variable winds 10 knots or less becoming northeast 5 knots after midnight. Slight chance of rain after midnight. Waves 1 foot or less. .SATURDAY...Northeast wind 5 to 10 knots. Patchy fog through the day. Chance of snow and light freezing rain in the morning. Chance of rain through the day. Slight chance of snow in the afternoon. Waves 1 to 2 feet. .SATURDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots after midnight. Chance of rain and slight chance of snow through the night. Slight chance of light freezing rain after midnight. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ143-202200- Silver Bay Harbor to Two Harbors MN- 1127 AM CDT Fri Mar 20 2026 .REST OF TODAY...West wind 5 knots. Mostly sunny. Waves 1 foot or less. .TONIGHT...Variable winds 10 knots or less becoming northeast 5 knots after midnight. Slight chance of rain after midnight. Waves 1 foot or less. .SATURDAY...Northeast wind 5 to 10 knots. Chance of rain, light freezing rain and slight chance of snow in the morning, then slight chance of rain in the afternoon. Waves 1 to 2 feet. .SATURDAY NIGHT...Northeast wind 15 to 20 knots with gusts to around 25 knots. Slight chance of snow in the evening. Chance of rain through the night. Chance of snow and light freezing rain after midnight. Waves 1 to 2 feet building to 2 to 4 feet after midnight. Note...Wave height forecasts are for ice free areas. $$ LSZ144-202200- Two Harbors to Duluth MN- 1127 AM CDT Fri Mar 20 2026 .REST OF TODAY...West wind 5 knots becoming southwest late. Mostly sunny. Waves 1 foot or less. .TONIGHT...West wind 5 knots becoming north late in the evening, then becoming northeast after midnight. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. .SATURDAY...Northeast wind 5 to 10 knots. Slight chance of rain in the morning. Waves 1 foot or less. .SATURDAY NIGHT...Northeast wind 15 to 20 knots with gusts to around 25 knots. Chance of rain through the night. Chance of snow after midnight. Waves 1 to 2 feet building to 2 to 4 feet after midnight. Note...Wave height forecasts are for ice free areas. $$ LSZ145-202200- Duluth MN to Port Wing WI- 1127 AM CDT Fri Mar 20 2026 .REST OF TODAY...West wind 5 knots. Mostly sunny. Waves 1 foot or less. .TONIGHT...Northwest wind 5 knots becoming east in the late evening and overnight. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. .SATURDAY...Northeast wind 5 to 10 knots. Slight chance of rain in the morning. Waves 1 foot or less. .SATURDAY NIGHT...North wind 10 to 15 knots with gusts to around 20 knots becoming northeast 15 to 20 knots with gusts to around 25 knots after midnight. Chance of rain through the night. Chance of snow after midnight. Waves 1 to 3 feet building to 2 to 4 feet after midnight. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ146-202200- Port Wing to Sand Island WI- 1127 AM CDT Fri Mar 20 2026 .REST OF TODAY...West wind 5 knots. Mostly sunny. Waves 1 foot or less. .TONIGHT...Southwest wind 5 knots becoming northeast in the late evening and early morning, then becoming east early in the morning. Slight chance of rain after midnight. Waves 1 foot or less. .SATURDAY...East wind 5 knots becoming northeast late in the afternoon. Chance of rain in the morning, then slight chance of rain in the afternoon. Waves 1 foot or less. .SATURDAY NIGHT...Northeast wind 15 to 20 knots with gusts to around 25 knots. Slight chance of snow in the evening. Chance of rain through the night. Chance of snow and light freezing rain after midnight. Waves 1 to 3 feet building to 2 to 4 feet after midnight. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ147-202200- Sand Island to Bayfield WI- 1127 AM CDT Fri Mar 20 2026 .REST OF TODAY...Northwest wind 5 knots becoming west late. Mostly sunny. Waves 1 foot or less. .TONIGHT...Southwest wind 5 knots becoming east in the late evening and overnight. Slight chance of rain after midnight. Waves 1 foot or less. .SATURDAY...East wind 5 knots becoming northeast late in the afternoon. Chance of rain in the morning, then slight chance of rain in the afternoon. Waves 1 foot or less. .SATURDAY NIGHT...North wind 10 to 15 knots with gusts to around 20 knots becoming northeast with gusts to around 25 knots early in the morning. Chance of rain through the night. Chance of light freezing rain and snow after midnight. Waves 1 to 2 feet building to 2 to 4 feet in the late evening and overnight. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ150-202200- Outer Apostle Islands Beyond 5 NM from Mainland- 1127 AM CDT Fri Mar 20 2026 .REST OF TODAY...Northwest wind 5 knots becoming southwest late. Sunny. Waves 1 foot or less. .TONIGHT...Southwest wind 5 knots becoming east in the late evening and overnight. Slight chance of rain after midnight. Waves 1 foot or less. .SATURDAY...East wind 5 to 10 knots becoming northeast late in the afternoon. Chance of rain in the morning, then slight chance of rain in the afternoon. Waves 1 to 2 feet. .SATURDAY NIGHT...Northeast wind 15 to 20 knots. Gusts up to 25 knots. Slight chance of snow in the evening. Chance of rain through the night. Chance of snow and light freezing rain after midnight. Waves 4 to 6 feet. Waves occasionally to 8 feet. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ148-202200- Oak Point to Saxon Harbor WI- 1127 AM CDT Fri Mar 20 2026 .REST OF TODAY...Northwest wind 5 knots becoming north early in the afternoon, then becoming east late. Mostly sunny. Waves 1 foot or less. .TONIGHT...Southeast wind 5 knots. Slight chance of rain after midnight. Waves 1 foot or less. .SATURDAY...Southeast wind 5 knots becoming south early in the afternoon, then becoming west late in the afternoon. Chance of rain in the morning, then slight chance of rain in the afternoon. Waves 1 to 3 feet. .SATURDAY NIGHT...North wind 10 to 15 knots with gusts to around 20 knots becoming northeast 15 to 20 knots early in the morning. Chance of rain through the night. Chance of snow and light freezing rain after midnight. Waves 4 to 6 feet. Waves occasionally to 8 feet. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH