National Weather Service Marine Forecast FZUS53 KDLH
FZUS53 KDLH 132304
NSHDLH
Nearshore Marine Forecast
National Weather Service Duluth MN
504 PM CST Tue Jan 13 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.
LSZ140-140500
Grand Portage to Grand Marais MN
504 PM CST Tue Jan 13 2026
SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING
GALE WARNING IN EFFECT THROUGH WEDNESDAY MORNING
TONIGHT
North wind up to 30 knots with gales to around
40 knots. Chance of flurries early in the evening. Waves 4 to
6 feet. Waves occasionally to 7 feet.
WEDNESDAY
North wind 20 to 25 knots with gales to around
35 knots easing to 15 to 20 knots with gusts to around 25 knots
in the afternoon. Sunny. Waves 2 to 4 feet subsiding to 1 to
2 feet in the afternoon.
WEDNESDAY NIGHT
North wind 15 to 20 knots with gusts to around
25 knots becoming northwest 5 to 10 knots after midnight. Mostly
clear. Waves 1 to 2 feet.
THURSDAY
West wind 5 to 10 knots becoming southwest 20 to
25 knots with gales to around 35 knots in the late morning and
afternoon. Slight chance of snow in the morning, then snow likely
in the afternoon. Freezing spray in the afternoon. Waves 1 to
3 feet building to 4 to 7 feet in the afternoon. Waves
occasionally to 9 feet. A gale warning may be needed.
Note...Wave height forecasts are for ice free areas.
LSZ141-140500
Grand Marais to Taconite Harbor MN
504 PM CST Tue Jan 13 2026
SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING
GALE WARNING IN EFFECT THROUGH WEDNESDAY MORNING
TONIGHT
North wind 20 to 25 knots. Gales up to 40 knots
decreasing to 35 knots after midnight. Chance of flurries early
in the evening. Waves 2 to 4 feet.
WEDNESDAY
North wind 15 to 20 knots. Gusts up to 30 knots
decreasing to 25 knots late in the morning, then decreasing to
20 knots early in the afternoon increasing to 25 knots late in
the afternoon. Sunny. Waves 1 to 2 feet.
WEDNESDAY NIGHT
North wind 10 to 15 knots with gusts to around
25 knots becoming northwest 5 knots early in the morning. Mostly
clear. Waves 1 to 2 feet.
THURSDAY
Southwest wind 15 to 20 knots with gusts to around
30 knots. Chance of snow in the morning, then snow in the
afternoon. Waves 1 to 2 feet building to 2 to 4 feet in the
afternoon. A small craft advisory may be needed.
Note...Wave height forecasts are for ice free areas.
LSZ142-140500
Taconite Harbor to Silver Bay Harbor MN
504 PM CST Tue Jan 13 2026
SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING
GALE WARNING IN EFFECT THROUGH WEDNESDAY MORNING
TONIGHT
North wind 15 to 20 knots with gales to around
35 knots. Slight chance of snow early in the evening. Waves 1 to
3 feet.
WEDNESDAY
North wind 15 to 20 knots. Gusts up to 30 knots
decreasing to 20 knots. Sunny. Waves 1 to 2 feet.
WEDNESDAY NIGHT
North wind 10 to 15 knots with gusts to around
20 knots becoming northwest 5 knots after midnight. Mostly clear.
Waves 1 foot or less.
THURSDAY
Southwest wind 5 knots rising to 10 to 15 knots with
gusts to around 20 knots in the late morning and afternoon.
Chance of snow in the morning, then snow in the afternoon. Waves
1 to 3 feet.
Note...Wave height forecasts are for ice free areas.
LSZ143-140500
Silver Bay Harbor to Two Harbors MN
504 PM CST Tue Jan 13 2026
SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING
GALE WARNING IN EFFECT THROUGH WEDNESDAY MORNING
TONIGHT
North wind 15 to 20 knots. Gusts up to 35 knots
decreasing to 30 knots late in the night. Chance of snow early in
the evening. Waves 1 to 3 feet.
WEDNESDAY
North wind 10 to 15 knots. Gusts up to 25 knots
decreasing to 20 knots in the late morning and afternoon. Sunny.
Waves 1 to 2 feet.
WEDNESDAY NIGHT
North wind 10 to 15 knots with gusts to around
20 knots becoming northwest 5 knots after midnight, then becoming
west early in the morning. Mostly clear. Waves 1 foot or less.
THURSDAY
Southwest wind 15 to 20 knots with gusts to around
25 knots. Chance of snow in the morning, then snow in the
afternoon. Waves 1 to 2 feet building to 2 to 4 feet in the
afternoon.
Note...Wave height forecasts are for ice free areas.
LSZ144-140500
Two Harbors to Duluth MN
504 PM CST Tue Jan 13 2026
SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING
GALE WARNING IN EFFECT THROUGH WEDNESDAY MORNING
TONIGHT
North wind 20 to 25 knots with gusts to around
30 knots. Chance of flurries early in the evening. Waves 1 to
3 feet.
WEDNESDAY
North wind 10 to 15 knots. Gusts up to 25 knots
decreasing to 20 knots in the late morning and afternoon. Sunny.
Waves 1 to 2 feet.
WEDNESDAY NIGHT
Northwest wind 10 to 15 knots with gusts to
around 20 knots easing to 5 knots after midnight, then becoming
west early in the morning. Mostly clear. Waves 1 foot or less.
THURSDAY
Southwest wind 15 to 20 knots with gusts to around
25 knots. Chance of snow in the morning, then snow in the
afternoon. Waves 1 to 2 feet building to 1 to 3 feet in the
afternoon.
Note...Wave height forecasts are for ice free areas.
LSZ145-140500
Duluth MN to Port Wing WI
504 PM CST Tue Jan 13 2026
SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING
GALE WARNING IN EFFECT THROUGH WEDNESDAY MORNING
HEAVY FREEZING SPRAY WARNING IN EFFECT FROM MIDNIGHT CST TONIGHT THROUGH WEDNESDAY MORNING
TONIGHT
North wind 20 to 25 knots. Gusts up to 30 knots
decreasing to 25 knots late in the night. Slight chance of snow
early in the evening. Heavy freezing spray in the late evening
and early morning. Waves 4 to 6 feet. Waves occasionally to
7 feet.
WEDNESDAY
Northwest wind 15 to 20 knots. Gusts up to 25 knots
decreasing to 20 knots late in the morning, then then 20 knots
late in the afternoon. Sunny. Waves 2 to 4 feet subsiding to 1 to
3 feet in the late morning and afternoon. A small craft advisory
may be needed.
WEDNESDAY NIGHT
North wind 10 to 15 knots with gusts to around
20 knots becoming northwest 5 knots after midnight, then becoming
southwest early in the morning. Partly cloudy. Waves 1 to 2 feet.
THURSDAY
Southwest wind 15 to 20 knots with gusts to around
25 knots. Chance of snow in the morning, then snow in the
afternoon. Waves 1 to 3 feet.
Note...Wave height forecasts are for ice free areas.
LSZ146-140500
Port Wing to Sand Island WI
504 PM CST Tue Jan 13 2026
SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING
GALE WARNING IN EFFECT THROUGH WEDNESDAY MORNING
HEAVY FREEZING SPRAY WARNING IN EFFECT FROM MIDNIGHT CST TONIGHT THROUGH WEDNESDAY MORNING
TONIGHT
North wind 20 to 25 knots. Gusts up to 35 knots
decreasing to 30 knots in the late evening and overnight. Chance
of snow early in the evening. Heavy freezing spray in the late
evening and overnight. Waves 4 to 7 feet. Waves occasionally to
9 feet.
WEDNESDAY
North wind 15 to 20 knots. Gusts up to 25 knots
decreasing to 20 knots in the late morning and afternoon. Mostly
sunny. Waves 4 to 6 feet subsiding to 1 to 3 feet in the
afternoon. Waves occasionally to 7 feet. A small craft advisory
may be needed.
WEDNESDAY NIGHT
Northwest wind 10 to 15 knots with gusts to
around 20 knots becoming west 5 knots early in the morning.
Partly cloudy in the evening then becoming mostly cloudy. Waves
1 to 3 feet.
THURSDAY
Southwest wind 15 to 20 knots with gusts to around
25 knots. Chance of snow in the morning, then snow in the
afternoon. Waves 1 to 3 feet.
Note...Wave height forecasts are for ice free areas.
LSZ147-140500
Sand Island to Bayfield WI
504 PM CST Tue Jan 13 2026
SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING
GALE WARNING IN EFFECT THROUGH WEDNESDAY MORNING
HEAVY FREEZING SPRAY WARNING IN EFFECT FROM MIDNIGHT CST TONIGHT THROUGH WEDNESDAY MORNING
TONIGHT
North wind 20 to 25 knots. Gusts up to 35 knots
decreasing to 30 knots after midnight. Chance of snow early in
the evening. Heavy freezing spray in the late evening and
overnight. Waves 5 to 8 feet. Waves occasionally to 10 feet.
WEDNESDAY
North wind 15 to 20 knots with gusts to around
25 knots becoming northwest 10 to 15 knots with gusts to around
20 knots in the late morning and afternoon. Heavy freezing spray
in the morning. Waves 4 to 6 feet subsiding to 2 to 4 feet in the
afternoon. Waves occasionally to 8 feet. A small craft advisory
may be needed.
WEDNESDAY NIGHT
North wind 10 to 15 knots with gusts to around
20 knots becoming west 5 knots early in the morning. Mostly
cloudy. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late
evening and overnight.
THURSDAY
Southwest wind 10 to 15 knots. Gusts up to 20 knots
in the late morning and afternoon. Slight chance of snow in the
morning, then snow in the afternoon. Waves 1 to 2 feet.
Note...Wave height forecasts are for ice free areas.
LSZ150-140500
Outer Apostle Islands Beyond 5 NM from Mainland
504 PM CST Tue Jan 13 2026
SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING
GALE WARNING IN EFFECT THROUGH WEDNESDAY MORNING
HEAVY FREEZING SPRAY WARNING IN EFFECT FROM MIDNIGHT CST TONIGHT THROUGH WEDNESDAY MORNING
TONIGHT
North wind up to 30 knots. Gusts up to 35 knots
decreasing to 30 knots after midnight. Chance of rain and slight
chance of snow early in the evening. Chance of flurries late in
the night. Heavy freezing spray in the late evening and
overnight. Waves 6 to 9 feet. Waves occasionally to 12 feet.
WEDNESDAY
North wind 20 to 25 knots easing to 10 to 15 knots
with gusts to around 20 knots in the afternoon. Heavy freezing
spray in the morning. Waves 5 to 8 feet subsiding to 3 to 5 feet
in the afternoon. Waves occasionally to 10 feet. A small craft
advisory may be needed.
WEDNESDAY NIGHT
North wind 10 to 15 knots with gusts to around
20 knots becoming west 5 to 10 knots early in the morning. Mostly
cloudy. Waves 2 to 4 feet subsiding to 1 to 2 feet after
midnight.
THURSDAY
Southwest wind 15 to 20 knots with gusts to around
25 knots. Slight chance of snow in the morning, then snow likely
in the afternoon. Waves 1 to 2 feet building to 1 to 3 feet in
the afternoon.
Note...Wave height forecasts are for ice free areas.
LSZ121-140500
Chequamegon Bay-Bayfield to Oak Point WI
504 PM CST Tue Jan 13 2026
SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING
GALE WARNING IN EFFECT THROUGH WEDNESDAY MORNING
TONIGHT
North wind 15 to 20 knots. Gusts up to 30 knots
decreasing to 25 knots late in the night. Chance of flurries
through the night. Waves 1 to 2 feet.
WEDNESDAY
North wind 15 to 20 knots with gusts to around
25 knots becoming northwest 10 knots late in the afternoon.
Partly sunny. Waves 1 to 2 feet.
WEDNESDAY NIGHT
Northwest wind 5 to 10 knots becoming west
early in the morning. Mostly cloudy. Waves 1 foot or less.
THURSDAY
Southwest wind 10 to 15 knots. Gusts up to 20 knots
in the late morning and afternoon. Slight chance of snow in the
morning, then snow likely in the afternoon. Waves 1 foot or less.
Note...Wave height forecasts are for ice free areas.
LSZ148-140500
Oak Point to Saxon Harbor WI
504 PM CST Tue Jan 13 2026
SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING
GALE WARNING IN EFFECT THROUGH WEDNESDAY MORNING
HEAVY FREEZING SPRAY WARNING IN EFFECT FROM MIDNIGHT CST TONIGHT THROUGH WEDNESDAY MORNING
TONIGHT
North wind 20 to 25 knots with gusts to around
30 knots. Slight chance of rain early in the evening. Chance of
flurries through the night. Heavy freezing spray in the late
evening and overnight. Waves 4 to 7 feet. Waves occasionally to
9 feet.
WEDNESDAY
North wind 15 to 20 knots. Gusts up to 25 knots
decreasing to 20 knots in the afternoon. Heavy freezing spray in
the morning. Waves 4 to 7 feet subsiding to 3 to 5 feet in the
afternoon. Waves occasionally to 9 feet. A small craft advisory
may be needed.
WEDNESDAY NIGHT
Northwest wind 10 to 15 knots with gusts to
around 20 knots becoming west 5 to 10 knots early in the morning.
Mostly cloudy. Waves 1 to 3 feet.
THURSDAY
Southwest wind 15 to 20 knots with gusts to around
25 knots. Slight chance of snow in the morning, then snow likely
in the afternoon. Waves 1 to 2 feet.
Note...Wave height forecasts are for ice free areas.
Graphical marine forecasts are available online at: weather.gov/greatlakes
WFO DLH
NDBC on Facebook
NOAA on LinkedIn
NDBC on Twitter