FZUS53 KDLH 270223 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 923 PM CDT Sun Apr 26 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. LSZ140-271000- Grand Portage to Grand Marais MN- 923 PM CDT Sun Apr 26 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CDT MONDAY THROUGH LATE MONDAY NIGHT... ...GALE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY AFTERNOON... .REST OF TONIGHT...Northeast wind 15 to 20 knots. Patchy fog toward daybreak. Slight chance of rain toward daybreak. Waves 1 to 3 feet. .MONDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots. Chance of rain showers in the morning, then rain showers in the afternoon. Waves 3 to 5 feet. Waves occasionally to 7 feet. .MONDAY NIGHT...Northeast wind 15 to 20 knots with gusts to around 25 knots becoming north with gales to around 35 knots after midnight. Rain showers. Waves 4 to 6 feet. Waves occasionally to 7 feet. A gale warning may be needed. .TUESDAY...Northwest wind 20 to 25 knots. Gusts up to 35 knots decreasing to 25 knots. Rain showers likely in the morning. Waves 2 to 4 feet. A gale warning may be needed. $$ LSZ141-271000- Grand Marais to Taconite Harbor MN- 923 PM CDT Sun Apr 26 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CDT MONDAY THROUGH LATE MONDAY NIGHT... ...GALE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY AFTERNOON... .REST OF TONIGHT...East wind 15 to 20 knots with gusts to around 25 knots. Slight chance of rain after midnight. Waves 1 to 3 feet building to 2 to 4 feet toward daybreak. .MONDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots. Rain showers likely in the morning, then rain showers in the afternoon. Waves 3 to 5 feet. Waves occasionally to 7 feet. .MONDAY NIGHT...Northeast wind 10 to 15 knots with gusts to around 25 knots becoming northwest 15 to 20 knots with gales to around 35 knots early in the morning. Rain showers in the evening, then rain showers likely after midnight. Waves 3 to 5 feet. Waves occasionally to 7 feet. A gale warning may be needed. .TUESDAY...Northwest wind 15 to 20 knots. Gusts up to 35 knots decreasing to 20 knots. Rain showers likely in the morning. Waves 2 to 4 feet subsiding to 1 to 3 feet late in the afternoon. A gale warning may be needed. $$ LSZ142-271000- Taconite Harbor to Silver Bay Harbor MN- 923 PM CDT Sun Apr 26 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CDT MONDAY THROUGH LATE MONDAY NIGHT... ...GALE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY AFTERNOON... .REST OF TONIGHT...Northeast wind 15 to 20 knots with gusts to around 25 knots. Slight chance of rain after midnight. Chance of rain toward daybreak. Patchy fog toward daybreak. Waves 1 to 3 feet building to 3 to 5 feet toward daybreak. .MONDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots. Rain showers. Waves 4 to 6 feet. Waves occasionally to 7 feet. .MONDAY NIGHT...North wind 10 to 15 knots with gusts to around 25 knots becoming northwest 15 to 20 knots with gales to around 35 knots after midnight. Rain showers in the evening, then rain showers likely after midnight. Waves 3 to 5 feet. Waves occasionally to 7 feet. A gale warning may be needed. .TUESDAY...Northwest wind 15 to 20 knots. Gusts up to 35 knots decreasing to 20 knots. Rain showers likely in the morning. Waves 2 to 4 feet subsiding to 1 to 2 feet in the afternoon. A gale warning may be needed. $$ LSZ143-271000- Silver Bay Harbor to Two Harbors MN- 923 PM CDT Sun Apr 26 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CDT MONDAY THROUGH LATE MONDAY NIGHT... ...GALE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY AFTERNOON... .REST OF TONIGHT...Northeast wind 5 to 10 knots with gusts to around 20 knots rising to 15 to 20 knots with gusts to around 25 knots after midnight. Patchy fog through the night. Slight chance of rain in the late evening and early morning. Chance of rain toward daybreak. Waves 1 to 2 feet building to 3 to 5 feet after midnight. .MONDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots. Patchy fog in the morning. Rain showers through the day. Waves 4 to 6 feet. Waves occasionally to 7 feet. .MONDAY NIGHT...Northeast wind 10 to 15 knots with gusts to around 20 knots becoming northwest with gusts to around 30 knots early in the morning. Rain showers. Waves 3 to 5 feet. Waves occasionally to 7 feet. .TUESDAY...Northwest wind 15 to 20 knots with gusts to around 30 knots easing to 5 to 10 knots late in the afternoon. Rain showers likely in the morning. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late morning and afternoon. $$ LSZ144-271000- Two Harbors to Duluth MN- 923 PM CDT Sun Apr 26 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CDT MONDAY THROUGH LATE MONDAY NIGHT... ...GALE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY AFTERNOON... .REST OF TONIGHT...Northeast wind 15 to 20 knots. Gusts up to 25 knots toward daybreak. Patchy fog through the night. Slight chance of rain late in the evening. Chance of rain after midnight. Waves 1 to 2 feet building to 3 to 5 feet after midnight. .MONDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots. Patchy fog in the morning. Rain showers through the day. Waves 3 to 5 feet. Waves occasionally to 7 feet. .MONDAY NIGHT...Northeast wind 10 to 15 knots with gusts to around 20 knots becoming northwest 20 to 25 knots with gales to around 35 knots in the late evening and overnight. Rain showers likely. Waves 3 to 5 feet. A gale warning may be needed. .TUESDAY...Northwest wind 20 to 25 knots with gales to around 35 knots easing to 10 to 15 knots with gusts to around 20 knots late in the afternoon. Mostly sunny. Waves 2 to 4 feet subsiding to 1 to 2 feet in the afternoon. A gale warning may be needed. $$ LSZ145-271000- Duluth MN to Port Wing WI- 923 PM CDT Sun Apr 26 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CDT MONDAY THROUGH TUESDAY AFTERNOON... .REST OF TONIGHT...Northeast wind 15 to 20 knots. Gusts up to 25 knots toward daybreak. Slight chance of rain late in the evening. Chance of rain after midnight. Patchy fog after midnight. Areas of dense fog toward daybreak. Waves 1 to 3 feet building to 3 to 5 feet after midnight. .MONDAY...Northeast wind 15 to 20 knots. Gusts up to 25 knots in the morning. Areas of dense fog in the morning. Rain showers through the day. Slight chance of thunderstorms in the afternoon. Waves 3 to 5 feet. Waves occasionally to 7 feet. .MONDAY NIGHT...Northeast wind 10 to 15 knots with gusts to around 20 knots becoming northwest 20 to 25 knots with gusts to around 30 knots in the late evening and overnight. Slight chance of thunderstorms in the evening. Rain showers likely through the night. Waves 3 to 5 feet. Waves occasionally to 7 feet. .TUESDAY...Northwest wind 20 to 25 knots with gusts to around 30 knots easing to 10 to 15 knots with gusts to around 20 knots late in the afternoon. Mostly sunny. Waves 3 to 5 feet subsiding to 1 to 2 feet. Waves occasionally to 7 feet. $$ LSZ146-271000- Port Wing to Sand Island WI- 923 PM CDT Sun Apr 26 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CDT MONDAY THROUGH TUESDAY AFTERNOON... .REST OF TONIGHT...Northeast wind 15 to 20 knots. Patchy fog through the night. Slight chance of rain after midnight. Chance of rain toward daybreak. Waves 1 to 2 feet building to 2 to 4 feet after midnight. .MONDAY...Northeast wind 15 to 20 knots. Rain showers through the day. Slight chance of thunderstorms in the afternoon. Waves 3 to 5 feet. .MONDAY NIGHT...Northeast wind 10 to 15 knots with gusts to around 20 knots becoming northwest 15 to 20 knots with gusts to around 25 knots after midnight. Slight chance of thunderstorms in the evening. Rain showers through the night. Waves 2 to 4 feet. .TUESDAY...West wind 15 to 20 knots with gusts to around 25 knots easing to 10 knots. Rain showers likely in the morning. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. $$ LSZ147-271000- Sand Island to Bayfield WI- 923 PM CDT Sun Apr 26 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CDT MONDAY THROUGH TUESDAY AFTERNOON... .REST OF TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots toward daybreak. Patchy fog through the night. Chance of rain toward daybreak. Waves 1 to 2 feet building to 2 to 4 feet after midnight. .MONDAY...East wind 10 to 15 knots with gusts to around 20 knots. Rain showers through the day. Slight chance of thunderstorms in the afternoon. Waves 2 to 4 feet. .MONDAY NIGHT...East wind 5 to 10 knots becoming northwest 10 to 15 knots with gusts to around 25 knots after midnight. Slight chance of thunderstorms in the evening. Rain showers likely through the night. Waves 2 to 4 feet. .TUESDAY...West wind 10 to 15 knots. Gusts up to 25 knots. Rain showers likely in the morning. Waves 2 to 4 feet subsiding to 1 to 2 feet late in the afternoon. $$ LSZ150-271000- Outer Apostle Islands Beyond 5 NM from Mainland- 923 PM CDT Sun Apr 26 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CDT MONDAY THROUGH TUESDAY AFTERNOON... .REST OF TONIGHT...Northeast wind 15 to 20 knots. Patchy fog through the night. Slight chance of rain toward daybreak. Waves 1 to 3 feet building to 3 to 5 feet after midnight. Waves occasionally to 7 feet. .MONDAY...East wind 15 to 20 knots. Chance of rain showers in the morning, then rain showers and slight chance of thunderstorms in the afternoon. Waves 3 to 5 feet. Waves occasionally to 7 feet. .MONDAY NIGHT...East wind 10 to 15 knots with gusts to around 20 knots becoming northwest 15 to 20 knots with gusts to around 25 knots after midnight. Rain showers and slight chance of thunderstorms in the evening, then rain showers likely after midnight. Waves 3 to 5 feet. Waves occasionally to 7 feet. .TUESDAY...West wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots in the afternoon. Rain showers likely in the morning. Waves 3 to 5 feet. Waves occasionally to 7 feet. $$ LSZ121-271000- Chequamegon Bay-Bayfield to Oak Point WI- 923 PM CDT Sun Apr 26 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY AFTERNOON... .REST OF TONIGHT...Northeast wind 10 to 15 knots. Patchy fog through the night. Chance of rain toward daybreak. Waves 1 to 2 feet. .MONDAY...East wind 10 to 15 knots. Gusts up to 20 knots late in the morning then 20 knots late in the afternoon. Rain showers through the day. Slight chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .MONDAY NIGHT...Northeast wind 5 to 10 knots becoming northwest 10 to 15 knots with gusts to around 25 knots early in the morning. Slight chance of thunderstorms in the evening. Rain showers likely through the night. Waves 1 to 2 feet. .TUESDAY...West wind 15 to 20 knots with gusts to around 25 knots becoming northwest 5 to 10 knots with gusts to around 20 knots late in the afternoon. Rain showers likely in the morning. Waves 1 to 2 feet. $$ LSZ148-271000- Oak Point to Saxon Harbor WI- 923 PM CDT Sun Apr 26 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY AFTERNOON... .REST OF TONIGHT...Northeast wind 10 to 15 knots. Patchy fog through the night. Chance of rain toward daybreak. Waves 1 to 2 feet building to 2 to 4 feet after midnight. .MONDAY...East wind 10 to 15 knots. Gusts up to 20 knots late in the morning then 20 knots late in the afternoon. Chance of rain showers in the morning, then rain showers and slight chance of thunderstorms in the afternoon. Waves 2 to 4 feet. .MONDAY NIGHT...East wind 5 to 10 knots becoming north late in the evening, then becoming northwest 15 to 20 knots with gusts to around 25 knots after midnight. Slight chance of thunderstorms in the evening. Rain showers through the night. Waves 2 to 4 feet subsiding to 1 to 2 feet after midnight, then building to 1 to 3 feet early in the morning. .TUESDAY...West wind 15 to 20 knots with gusts to around 25 knots becoming northwest 5 to 10 knots with gusts to around 20 knots late in the afternoon. Rain showers likely in the morning. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH