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National Weather Service Marine Forecast FZUS53 KDLH
FZUS53 KDLH 102037
NSHDLH
Nearshore Marine Forecast
National Weather Service Duluth MN
337 PM CDT Mon Mar 10 2025
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.
LSZ140-141-110415
Grand Portage to Grand Marais MN
Grand Marais to Taconite Harbor MN
337 PM CDT Mon Mar 10 2025
GALE WARNING IN EFFECT FROM 10 PM CDT THIS EVENING THROUGH LATE TONIGHT
TONIGHT
West wind 10 to 15 knots with gusts to around 25 knots
becoming northwest 20 to 25 knots with gales to around 35 knots
in the late evening and overnight. Slight chance of rain in the
evening. Slight chance of light freezing rain late in the
evening. Slight chance of snow in the late evening and early
morning. Waves 1 to 3 feet building to 2 to 4 feet in the late
evening and overnight.
TUESDAY
Northwest wind 15 to 20 knots with gusts to around
30 knots becoming west 5 to 10 knots with gusts to around
20 knots in the afternoon. Sunny. Waves 1 to 3 feet subsiding to
1 to 2 feet in the late morning and afternoon.
TUESDAY NIGHT
Southwest wind 5 to 10 knots becoming southeast
early in the morning. Slight chance of snow after midnight. Waves
1 to 2 feet.
WEDNESDAY
Southeast wind 5 to 10 knots with gusts to around
20 knots becoming south in the afternoon. Slight chance of snow
through the day. Waves 1 to 2 feet.
Note...Wave height forecasts are for ice free areas.
LSZ143-110415
Silver Bay Harbor to Two Harbors MN
337 PM CDT Mon Mar 10 2025
SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
GALE WARNING IN EFFECT FROM 10 PM CDT THIS EVENING THROUGH LATE TONIGHT
TONIGHT
West wind 10 to 15 knots with gusts to around 20 knots
becoming northwest 15 to 20 knots with gales to around 35 knots
in the late evening and overnight. Slight chance of rain early in
the evening, then chance of rain late in the evening. Slight
chance of snow in the late evening and early morning. Waves 1 to 3
feet.
TUESDAY
Northwest wind 10 to 15 knots with gusts to around
20 knots becoming southwest 5 to 10 knots in the afternoon.
Sunny. Waves 1 to 2 feet.
TUESDAY NIGHT
Southwest wind 5 knots becoming east early in
the morning. Slight chance of snow after midnight. Waves 1 foot
or less.
WEDNESDAY
East wind 5 knots. Partly sunny. Waves 1 foot or
less.
Note...Wave height forecasts are for ice free areas.
LSZ142-110415
Taconite Harbor to Silver Bay Harbor MN
337 PM CDT Mon Mar 10 2025
GALE WARNING IN EFFECT FROM 10 PM CDT THIS EVENING THROUGH LATE TONIGHT
TONIGHT
West wind 5 to 10 knots with gusts to around 25 knots
becoming northwest 15 to 20 knots with gales to around 35 knots
in the late evening and overnight. Slight chance of rain early in
the evening, then chance of rain and snow late in the evening.
Slight chance of snow after midnight. Waves 1 to 2 feet.
TUESDAY
Northwest wind 10 to 15 knots with gusts to around
25 knots becoming southwest 5 to 10 knots in the afternoon.
Sunny. Waves 1 to 2 feet.
TUESDAY NIGHT
South wind 5 knots becoming east early in the
morning. Slight chance of snow after midnight. Waves 1 foot or
less.
WEDNESDAY
East wind 5 knots. Slight chance of snow in the
morning. Waves 1 foot or less.
Note...Wave height forecasts are for ice free areas.
LSZ145-110415
Duluth MN to Port Wing WI
337 PM CDT Mon Mar 10 2025
SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING
TONIGHT
West 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. Chance of rain late in the
evening. Slight chance of snow after midnight. Waves 1 to 3 feet
building to 3 to 5 feet after midnight.
TUESDAY
Northwest wind 15 to 20 knots with gusts to around
25 knots easing to 5 to 10 knots with gusts to around 20 knots
late in the morning, then becoming west early in the afternoon
becoming southwest late in the afternoon. Sunny. Waves 1 to
3 feet subsiding to 1 to 2 feet in the late morning and
afternoon.
TUESDAY NIGHT
Southeast wind 5 knots becoming east after
midnight. Slight chance of snow after midnight. Waves 1 foot or
less.
WEDNESDAY
East wind 5 to 10 knots becoming southeast late in
the morning, then becoming west early in the afternoon becoming
north late in the afternoon. Mostly cloudy. Waves 1 foot or less.
Note...Wave height forecasts are for ice free areas.
LSZ144-110415
Two Harbors to Duluth MN
337 PM CDT Mon Mar 10 2025
SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
GALE WARNING IN EFFECT FROM 10 PM CDT THIS EVENING THROUGH LATE TONIGHT
TONIGHT
West 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. Slight chance of rain early in
the evening, then chance of rain late in the evening. Waves 1 to 3
feet building to 2 to 4 feet after midnight.
TUESDAY
Northwest wind 15 to 20 knots with gusts to around
25 knots easing to 5 to 10 knots with gusts to around 20 knots
late in the morning, then becoming west early in the afternoon
becoming southwest late in the afternoon. Sunny. Waves 1 to
2 feet.
TUESDAY NIGHT
South wind 5 knots becoming east in the late
evening and overnight. Slight chance of snow after midnight.
Waves 1 foot or less.
WEDNESDAY
East wind 5 to 10 knots becoming southeast early in
the afternoon, then becoming northeast late in the afternoon.
Partly sunny. Waves 1 foot or less.
Note...Wave height forecasts are for ice free areas.
LSZ146-110415
Port Wing to Sand Island WI
337 PM CDT Mon Mar 10 2025
SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING
TONIGHT
West wind 10 to 15 knots with gusts to around 20 knots
becoming northwest 15 to 20 knots with gusts to around 25 knots
in the late evening and overnight. Chance of rain late in the
evening. Slight chance of snow after midnight. Waves 3 to 5 feet.
TUESDAY
Northwest wind 10 to 15 knots with gusts to around
20 knots easing to 10 knots late in the morning, then becoming
west in the afternoon. Sunny. Waves 2 to 4 feet subsiding to 1 to
2 feet in the late morning and afternoon.
TUESDAY NIGHT
South wind 5 knots becoming southeast in the
late evening and overnight. Slight chance of snow after midnight.
Waves 1 foot or less.
WEDNESDAY
Southeast wind 5 to 10 knots becoming northwest
early in the afternoon, then becoming north late in the
afternoon. Mostly cloudy. Waves 1 foot or less.
Note...Wave height forecasts are for ice free areas.
LSZ147-110415
Sand Island to Bayfield WI
337 PM CDT Mon Mar 10 2025
SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING
TONIGHT
West wind 10 to 15 knots with gusts to around 20 knots
becoming northwest 15 to 20 knots with gusts to around 30 knots
in the late evening and overnight. Slight chance of rain early in
the evening, then chance of rain late in the evening. Slight
chance of snow after midnight. Waves 3 to 5 feet. Waves
occasionally to 7 feet.
TUESDAY
Northwest wind 10 to 15 knots with gusts to around
20 knots becoming southwest 5 to 10 knots late in the afternoon.
Sunny. Waves 2 to 4 feet subsiding to 1 to 2 feet in the late
morning and afternoon.
TUESDAY NIGHT
Southeast wind 5 knots. Slight chance of snow
after midnight. Waves 1 foot or less.
WEDNESDAY
Southeast wind 5 to 10 knots becoming south early in
the afternoon, then becoming north late in the afternoon. Mostly
cloudy. Waves 1 foot or less.
Note...Wave height forecasts are for ice free areas.
LSZ150-110415
Outer Apostle Islands Beyond 5 NM from Mainland
337 PM CDT Mon Mar 10 2025
GALE WARNING IN EFFECT FROM 10 PM CDT THIS EVENING THROUGH LATE TONIGHT
TONIGHT
West 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. Chance of rain and snow in the
late evening and early morning. Waves 4 to 6 feet. Waves
occasionally to 8 feet.
TUESDAY
Northwest wind 15 to 20 knots with gusts to around
25 knots becoming west 5 to 10 knots with gusts to around
20 knots early in the afternoon, then becoming southwest late in
the afternoon. Sunny. Waves 4 to 6 feet subsiding to 1 to 2 feet
in the afternoon. Waves occasionally to 7 feet. A small craft
advisory may be needed.
TUESDAY NIGHT
South wind 5 knots becoming southeast after
midnight. Slight chance of snow after midnight. Waves 1 foot or
less.
WEDNESDAY
Southeast wind 5 to 10 knots becoming northeast late
in the afternoon. Mostly cloudy. Waves 1 foot or less.
Note...Wave height forecasts are for ice free areas.
LSZ121-110415
Chequamegon Bay-Bayfield to Oak Point WI
337 PM CDT Mon Mar 10 2025
SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING
TONIGHT
West wind 10 knots with gusts to around 20 knots
becoming northwest 15 to 20 knots with gusts to around 25 knots
in the late evening and overnight. Chance of rain in the late
evening and early morning. Chance of snow after midnight. Waves
1 to 2 feet.
TUESDAY
North wind 10 to 15 knots with gusts to around
20 knots becoming northwest 5 to 10 knots in the late morning and
early afternoon, then becoming southwest late in the afternoon.
Sunny. Waves 1 foot or less.
TUESDAY NIGHT
Southeast wind 5 knots. Slight chance of snow
after midnight. Waves 1 foot or less.
WEDNESDAY
Southeast wind 5 knots becoming south late in the
morning, then becoming southwest early in the afternoon becoming
northwest late in the afternoon. Partly sunny. Waves 1 foot or
less.
Note...Wave height forecasts are for ice free areas.
LSZ148-110415
Oak Point to Saxon Harbor WI
337 PM CDT Mon Mar 10 2025
SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING
TONIGHT
Southwest wind 10 to 15 knots with gusts to around
20 knots becoming northwest 15 to 20 knots with gusts to around
25 knots in the late evening and overnight. Chance of rain in the
late evening and early morning. Chance of snow after midnight.
Waves 1 to 2 feet building to 3 to 5 feet after midnight.
TUESDAY
Northwest wind 15 to 20 knots with gusts to around
25 knots easing to 5 to 10 knots early in the afternoon, then
becoming southwest late in the afternoon. Sunny. Waves 2 to
4 feet subsiding to 1 to 3 feet in the late morning and
afternoon.
TUESDAY NIGHT
Southeast wind 5 knots. Slight chance of snow
after midnight. Waves 1 foot or less.
WEDNESDAY
Southeast wind 5 to 10 knots becoming southwest
early in the afternoon, then becoming northwest late in the
afternoon. Partly sunny. Waves 1 foot or less.
Note...Wave height forecasts are for ice free areas.
Graphical marine forecasts are available online at: weather.gov/greatlakes
JDS
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