Nearshore Marine Forecast
Issued by NWS Duluth, MN
Issued by NWS Duluth, MN
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514 FZUS53 KDLH 271948 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 248 PM CDT Sat Apr 27 2024 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. LSZ140-141-280415- Grand Portage to Grand Marais MN- Grand Marais to Taconite Harbor MN- 248 PM CDT Sat Apr 27 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY AFTERNOON... ...GALE WARNING IN EFFECT FROM SUNDAY AFTERNOON THROUGH MONDAY AFTERNOON... .TONIGHT...Northwest wind 5 to 10 knots becoming north 10 to 15 knots after midnight. Gusts up to 20 knots. Slight chance of rain early in the evening. Waves 1 to 2 feet. .SUNDAY...Northeast wind 20 to 25 knots. Gusts up to 30 knots. Chance of rain in the afternoon. Waves 2 to 4 feet building to 4 to 7 feet in the afternoon. Waves occasionally to 9 feet. .SUNDAY NIGHT...Northeast wind up to 30 knots. Gusts up to 35 knots increasing to 40 knots in the late evening and overnight. Rain likely in the evening, then rain after midnight. Waves 5 to 8 feet building to 8 to 13 feet. Waves occasionally to 17 feet. .MONDAY...Northeast gales to 35 knots with gales to around 45 knots easing to up to 30 knots with gales to around 45 knots in the afternoon. Rain. Waves 8 to 13 feet subsiding to 8 to 11 feet late in the afternoon. Waves occasionally to 17 feet. $$ LSZ142-143-280415- Taconite Harbor to Silver Bay Harbor MN- Silver Bay Harbor to Two Harbors MN- 248 PM CDT Sat Apr 27 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY AFTERNOON... ...GALE WARNING IN EFFECT FROM SUNDAY AFTERNOON THROUGH MONDAY AFTERNOON... .TONIGHT...Northwest wind 5 to 10 knots with gusts to around 20 knots becoming north 10 to 15 knots with gusts to around 20 knots after midnight. Mostly cloudy. Waves 1 to 2 feet. .SUNDAY...Northeast wind up to 30 knots. Gusts up to 35 knots. Chance of rain in the afternoon. Waves 2 to 4 feet building to 7 to 10 feet in the late morning and afternoon. Waves occasionally to 13 feet. A gale warning may be needed. .SUNDAY NIGHT...Northeast wind up to 30 knots. Gales up to 40 knots increasing to 45 knots early in the morning. Rain. Waves 9 to 14 feet. Waves occasionally to 18 feet. .MONDAY...Northeast gales to 35 knots with gales to around 45 knots easing to 20 to 25 knots with gales to around 35 knots late in the afternoon. Rain. Waves 9 to 14 feet subsiding to 7 to 12 feet late in the afternoon. Waves occasionally to 18 feet. $$ LSZ144-145-280415- Two Harbors to Duluth MN-Duluth MN to Port Wing WI- 248 PM CDT Sat Apr 27 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY MORNING... ...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY MORNING... .TONIGHT...Northwest wind 5 to 10 knots becoming north after midnight, then becoming northeast 15 to 20 knots late in the night. Mostly cloudy. Waves 1 to 3 feet. .SUNDAY...Northeast wind up to 30 knots. Gusts up to 30 knots increasing to 40 knots. Chance of rain in the afternoon. Waves 3 to 5 feet building to 8 to 11 feet in the late morning and afternoon. Waves occasionally to 14 feet. .SUNDAY NIGHT...Northeast wind up to 30 knots with gales to around 40 knots rising to gales to 35 knots with gales to around 45 knots in the late evening and early morning, then easing to up to 30 knots with gales to around 40 knots early in the morning. Rain. Waves 7 to 12 feet. Waves occasionally to 16 feet. .MONDAY...Northeast gales to 35 knots with gales to around 40 knots easing to up to 30 knots with gales to around 40 knots in the late morning and afternoon. Rain in the morning, then rain likely in the afternoon. Waves 8 to 13 feet subsiding to 8 to 11 feet late in the afternoon. Waves occasionally to 17 feet. $$ LSZ146-280415- Port Wing to Sand Island WI- 248 PM CDT Sat Apr 27 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY AFTERNOON... ...GALE WARNING IN EFFECT FROM SUNDAY AFTERNOON THROUGH MONDAY AFTERNOON... .TONIGHT...Northwest wind 5 to 10 knots becoming northeast 10 to 15 knots with gusts to around 20 knots after midnight. Mostly cloudy. Waves 1 to 3 feet. .SUNDAY...Northeast wind up to 30 knots with gales to around 35 knots. Chance of rain in the afternoon. Waves 2 to 4 feet building to 7 to 10 feet in the late morning and afternoon. Waves occasionally to 13 feet. A gale warning may be needed. .SUNDAY NIGHT...East wind up to 30 knots. Gusts up to 35 knots increasing to 40 knots in the late evening and early morning, then decreasing to 35 knots early in the morning. Rain likely in the evening, then rain after midnight. Waves 8 to 11 feet. Waves occasionally to 14 feet. .MONDAY...Northeast wind up to 30 knots. Gusts up to 35 knots decreasing to 30 knots late in the afternoon. Rain in the morning, then rain likely in the afternoon. Waves 7 to 12 feet. Waves occasionally to 15 feet. $$ LSZ147-280415- Sand Island to Bayfield WI- 248 PM CDT Sat Apr 27 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY AFTERNOON... ...GALE WARNING IN EFFECT FROM SUNDAY AFTERNOON THROUGH MONDAY AFTERNOON... .TONIGHT...Northwest wind 5 to 10 knots becoming northeast 10 to 15 knots with gusts to around 20 knots after midnight. Mostly cloudy. Waves 1 to 2 feet. .SUNDAY...Northeast wind up to 30 knots with gales to around 35 knots. Chance of rain in the afternoon. Waves 5 to 8 feet. Waves occasionally to 11 feet. A gale warning may be needed. .SUNDAY NIGHT...East wind up to 30 knots. Gusts up to 35 knots increasing to 40 knots after midnight, then decreasing to 35 knots early in the morning. Rain likely in the evening, then rain after midnight. Waves 7 to 10 feet. Waves occasionally to 14 feet. .MONDAY...Northeast wind up to 30 knots with gales to around 35 knots easing to 15 to 20 knots with gusts to around 30 knots late in the afternoon. Rain in the morning, then rain likely in the afternoon. Waves 8 to 11 feet. Waves occasionally to 15 feet. $$ LSZ121-280415- Chequamegon Bay-Bayfield to Oak Point WI- 248 PM CDT Sat Apr 27 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH MONDAY AFTERNOON... .TONIGHT...Northwest wind 5 to 10 knots becoming north after midnight, then becoming northeast 15 to 20 knots late in the night. Mostly cloudy. Waves 1 to 2 feet. .SUNDAY...Northeast wind 20 to 25 knots. Gusts up to 30 knots in the afternoon. Rain likely in the afternoon. Waves 1 to 3 feet building to 2 to 4 feet in the late morning and afternoon. .SUNDAY NIGHT...Northeast wind 20 to 25 knots with gusts to around 30 knots. Rain. Waves 2 to 4 feet. .MONDAY...Northeast wind 20 to 25 knots with gusts to around 30 knots easing to 10 to 15 knots with gusts to around 25 knots in the late morning and afternoon. Rain. Waves 1 to 3 feet. $$ LSZ148-280415- Oak Point to Saxon Harbor WI- 248 PM CDT Sat Apr 27 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH MONDAY AFTERNOON... .TONIGHT...Northwest wind 5 to 10 knots becoming north after midnight, then becoming northeast 15 to 20 knots late in the night. Mostly cloudy. Waves 1 to 2 feet building to 2 to 4 feet late in the night. .SUNDAY...Northeast wind 20 to 25 knots. Gusts up to 30 knots in the afternoon. Rain likely in the afternoon. Waves 5 to 8 feet building to 7 to 12 feet in the afternoon. Waves occasionally to 15 feet. .SUNDAY NIGHT...Northeast wind 20 to 25 knots with gusts to around 30 knots. Rain. Waves 8 to 11 feet subsiding to 6 to 9 feet after midnight. Waves occasionally to 15 feet. .MONDAY...Northeast wind 20 to 25 knots with gusts to around 30 knots easing to 10 to 15 knots with gusts to around 25 knots in the afternoon. Rain. Waves 6 to 9 feet subsiding to 4 to 6 feet late in the afternoon. Waves occasionally to 11 feet. $$ LSZ150-280415- Outer Apostle Islands Beyond 5 NM from Mainland- 248 PM CDT Sat Apr 27 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY AFTERNOON... ...GALE WARNING IN EFFECT FROM SUNDAY AFTERNOON THROUGH MONDAY AFTERNOON... .TONIGHT...West wind 10 to 15 knots becoming northeast 15 to 20 knots after midnight. Mostly cloudy. Waves 1 to 3 feet. .SUNDAY...Northeast wind up to 30 knots with gales to around 35 knots. Chance of rain in the afternoon. Waves 7 to 10 feet. Waves occasionally to 13 feet. A gale warning may be needed. .SUNDAY NIGHT...East wind up to 30 knots. Gusts up to 35 knots increasing to 40 knots after midnight. Rain likely in the evening, then rain after midnight. Waves 8 to 13 feet. Waves occasionally to 17 feet. .MONDAY...Northeast wind up to 30 knots with gales to around 35 knots. Rain. Waves 9 to 14 feet. Waves occasionally to 18 feet. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes JDS