FZUS53 KDLH 292223 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 522 PM CDT Sun Mar 29 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. LSZ140-300400- Grand Portage to Grand Marais MN- 522 PM CDT Sun Mar 29 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY AFTERNOON THROUGH TUESDAY EVENING... .TONIGHT...Northeast wind 5 to 10 knots. Mostly cloudy then becoming partly cloudy late in the evening then becoming mostly cloudy. Waves 1 to 2 feet. .MONDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the afternoon. Slight chance of snow in the afternoon. Waves 1 to 2 feet building to 1 to 3 feet late in the afternoon. .MONDAY NIGHT...Northeast wind 15 to 20 knots with gusts to around 25 knots. Slight chance of snow in the evening, then chance of snow, light freezing rain and light sleet after midnight. Waves 3 to 5 feet. .TUESDAY...Northeast wind 15 to 20 knots. Gusts up to 25 knots until late afternoon. Light freezing rain likely and slight chance of light sleet in the morning. Chance of snow through the day. Waves 4 to 6 feet. Waves occasionally to 8 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ141-300400- Grand Marais to Taconite Harbor MN- 522 PM CDT Sun Mar 29 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY AFTERNOON THROUGH TUESDAY EVENING... .TONIGHT...Northeast wind 5 to 10 knots becoming north after midnight. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 2 feet. .MONDAY...Northeast wind 5 to 10 knots becoming east 15 to 20 knots in the afternoon. Slight chance of snow in the afternoon. Waves 1 to 3 feet building to 2 to 4 feet late in the afternoon. .MONDAY NIGHT...Northeast wind 15 to 20 knots with gusts to around 25 knots. Chance of light freezing rain, snow and light sleet after midnight. Waves 4 to 6 feet. Waves occasionally to 8 feet. .TUESDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots becoming north 5 to 10 knots late in the afternoon. Light freezing rain and light sleet likely in the morning. Snow likely through the day. Waves 4 to 6 feet. Waves occasionally to 7 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ142-300400- Taconite Harbor to Silver Bay Harbor MN- 522 PM CDT Sun Mar 29 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY AFTERNOON THROUGH TUESDAY EVENING... .TONIGHT...Northeast wind 5 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 2 feet. .MONDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots. Mostly cloudy. Waves 1 to 3 feet building to 2 to 4 feet late in the afternoon. .MONDAY NIGHT...Northeast wind 15 to 20 knots. Gusts up to 25 knots increasing to 30 knots in the late evening and early morning, then decreasing to 25 knots early in the morning. Chance of light freezing rain, snow and light sleet after midnight. Waves 4 to 7 feet. Waves occasionally to 9 feet. .TUESDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots becoming north 5 to 10 knots with gusts to around 20 knots in the afternoon. Snow likely and chance of light freezing rain in the morning, then chance of snow in the afternoon. Waves 4 to 6 feet. Waves occasionally to 8 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ143-300400- Silver Bay Harbor to Two Harbors MN- 522 PM CDT Sun Mar 29 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY AFTERNOON THROUGH TUESDAY EVENING... .TONIGHT...Northeast wind 5 to 10 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 2 feet. .MONDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots. Mostly cloudy. Waves 1 to 2 feet building to 3 to 5 feet in the afternoon. .MONDAY NIGHT...Northeast wind 15 to 20 knots. Gusts up to 30 knots decreasing to 25 knots early in the morning. Chance of rain, light freezing rain and slight chance of snow after midnight. Waves 4 to 7 feet. Waves occasionally to 9 feet. .TUESDAY...Northeast wind 10 to 15 knots with gusts to around 25 knots becoming north 5 to 10 knots late in the afternoon. Chance of rain, snow and light sleet in the morning. Chance of light freezing rain through the day. Slight chance of rain and snow in the afternoon. Waves 4 to 6 feet. Waves occasionally to 8 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ144-300400- Two Harbors to Duluth MN- 522 PM CDT Sun Mar 29 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY AFTERNOON THROUGH TUESDAY EVENING... .TONIGHT...Northeast wind 5 to 10 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 2 feet. .MONDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots. Mostly cloudy. Waves 1 to 2 feet building to 3 to 5 feet in the afternoon. Waves occasionally to 7 feet. .MONDAY NIGHT...Northeast wind 15 to 20 knots. Gusts up to 30 knots decreasing to 25 knots early in the morning. Chance of rain, light freezing rain and slight chance of snow after midnight. Waves 4 to 7 feet. Waves occasionally to 9 feet. .TUESDAY...Northeast wind 10 to 15 knots with gusts to around 25 knots becoming north with gusts to around 20 knots early in the afternoon, then easing to 10 knots with gusts to around 20 knots late in the afternoon. Chance of light freezing rain in the morning. Chance of rain and slight chance of snow through the day. Waves 4 to 6 feet. Waves occasionally to 7 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ145-300400- Duluth MN to Port Wing WI- 522 PM CDT Sun Mar 29 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY AFTERNOON THROUGH TUESDAY EVENING... .TONIGHT...Northeast wind 5 to 10 knots. Partly cloudy early in the evening then becoming mostly cloudy. Waves 1 to 2 feet. .MONDAY...Northeast wind 15 to 20 knots with gusts to around 30 knots. Mostly cloudy. Waves 1 to 3 feet building to 3 to 5 feet in the afternoon. Waves occasionally to 7 feet. .MONDAY NIGHT...Northeast wind 15 to 20 knots. Gusts up to 30 knots decreasing to 25 knots early in the morning. Chance of rain, light freezing rain and slight chance of snow after midnight. Waves 4 to 7 feet. Waves occasionally to 9 feet. .TUESDAY...Northeast wind 10 to 15 knots with gusts to around 25 knots becoming north with gusts to around 20 knots in the afternoon. Chance of rain and light freezing rain in the morning. Slight chance of snow through the day. Slight chance of rain in the afternoon. Waves 4 to 6 feet. Waves occasionally to 7 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ146-300400- Port Wing to Sand Island WI- 522 PM CDT Sun Mar 29 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY AFTERNOON THROUGH TUESDAY EVENING... .TONIGHT...Northeast wind 5 to 10 knots. Mostly cloudy then becoming partly cloudy late in the evening then becoming mostly cloudy. Waves 1 to 2 feet. .MONDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots. Mostly cloudy. Waves 1 to 2 feet building to 3 to 5 feet in the afternoon. .MONDAY NIGHT...Northeast wind 15 to 20 knots. Gusts up to 30 knots decreasing to 25 knots early in the morning. Chance of rain, light freezing rain and slight chance of snow after midnight. Waves 4 to 6 feet. Waves occasionally to 8 feet. .TUESDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots becoming north 10 knots late in the afternoon. Chance of rain in the morning. Chance of light freezing rain and snow through the day. Slight chance of rain in the afternoon. Waves 3 to 5 feet. Waves occasionally to 7 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ147-300400- Sand Island to Bayfield WI- 522 PM CDT Sun Mar 29 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY AFTERNOON THROUGH TUESDAY EVENING... .TONIGHT...Northeast wind 5 to 10 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 2 feet. .MONDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots. Mostly cloudy. Waves 1 to 2 feet building to 3 to 5 feet in the afternoon. .MONDAY NIGHT...Northeast wind 15 to 20 knots. Gusts up to 30 knots decreasing to 25 knots after midnight. Chance of rain and light freezing rain after midnight. Waves 4 to 6 feet. Waves occasionally to 8 feet. .TUESDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots becoming north 10 to 15 knots late in the afternoon. Snow likely and chance of rain in the morning. Light freezing rain likely through the day. Slight chance of snow in the afternoon. Waves 3 to 5 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ150-300400- Outer Apostle Islands Beyond 5 NM from Mainland- 522 PM CDT Sun Mar 29 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY AFTERNOON THROUGH TUESDAY EVENING... .TONIGHT...Northeast wind 5 to 10 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 2 feet. .MONDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots. Mostly cloudy. Waves 1 to 2 feet building to 3 to 5 feet in the afternoon. Waves occasionally to 7 feet. .MONDAY NIGHT...Northeast wind 20 to 25 knots with gusts to around 30 knots. Chance of rain and light freezing rain after midnight. Waves 4 to 7 feet. Waves occasionally to 10 feet. .TUESDAY...Northeast wind 20 to 25 knots becoming north 10 to 15 knots with gusts to around 20 knots late in the afternoon. Light freezing rain, snow likely and chance of rain in the morning, then slight chance of snow and light freezing rain in the afternoon. Waves 4 to 6 feet. Waves occasionally to 8 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ148-300400- Oak Point to Saxon Harbor WI- 522 PM CDT Sun Mar 29 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY AFTERNOON THROUGH TUESDAY EVENING... .TONIGHT...Northeast wind 5 to 10 knots. Partly cloudy early in the evening then becoming mostly cloudy. Waves 1 to 2 feet. .MONDAY...Northeast wind 15 to 20 knots with gusts to around 30 knots. Mostly cloudy. Waves 1 to 3 feet building to 3 to 5 feet in the afternoon. Waves occasionally to 7 feet. .MONDAY NIGHT...Northeast wind 20 to 25 knots. Gusts up to 30 knots decreasing to 25 knots after midnight. Chance of rain and light freezing rain after midnight. Waves 4 to 6 feet. Waves occasionally to 8 feet. .TUESDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots becoming north 10 to 15 knots with gusts to around 20 knots in the afternoon. Rain and light freezing rain likely in the morning, then slight chance of rain, light freezing rain and snow in the afternoon. Waves 4 to 6 feet. Waves occasionally to 8 feet. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH