National Weather Service Marine Forecast FZUS53 KDLH
FZUS53 KDLH 222317
NSHDLH
Nearshore Marine Forecast
National Weather Service Duluth MN
517 PM CST Thu Jan 22 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.
LSZ140-230500
Grand Portage to Grand Marais MN
517 PM CST Thu Jan 22 2026
SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON
TONIGHT
Northwest wind 20 to 25 knots. Gusts up to 35 knots
decreasing to 30 knots late in the night. Scattered flurries.
Waves 2 to 4 feet subsiding to 1 to 3 feet late in the night.
FRIDAY
Northwest 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. Scattered snow showers in the morning, then
scattered flurries in the afternoon. Waves 1 to 3 feet.
FRIDAY NIGHT
Northwest wind 10 to 15 knots. Gusts up to
25 knots. Partly cloudy. Waves 1 to 2 feet.
SATURDAY
Northwest wind 5 to 10 knots becoming west in the
afternoon. Partly sunny. Waves 1 foot or less.
Note...Wave height forecasts are for ice free areas.
LSZ141-230500
Grand Marais to Taconite Harbor MN
517 PM CST Thu Jan 22 2026
SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON
TONIGHT
Northwest wind 20 to 25 knots. Gusts up to 30 knots
increasing to 35 knots in the late evening and early morning,
then decreasing to 30 knots late in the night. Scattered
flurries. Waves 2 to 4 feet subsiding to 1 to 3 feet late in the
night.
FRIDAY
Northwest wind 15 to 20 knots. Gusts up to 30 knots
decreasing to 20 knots. Scattered snow showers in the morning,
then scattered flurries in the afternoon. Waves 1 to 2 feet.
FRIDAY NIGHT
Northwest wind 10 to 15 knots with gusts to
around 20 knots easing to 5 to 10 knots with gusts to around
20 knots after midnight. Partly cloudy. Waves 1 to 2 feet.
SATURDAY
Northwest wind 5 to 10 knots becoming west in the
afternoon. Partly sunny. Waves 1 foot or less.
Note...Wave height forecasts are for ice free areas.
LSZ142-230500
Taconite Harbor to Silver Bay Harbor MN
517 PM CST Thu Jan 22 2026
SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON
TONIGHT
Northwest wind 15 to 20 knots with gusts to around
30 knots. Scattered flurries through the night. Waves 1 to 3 feet
subsiding to 1 to 2 feet after midnight.
FRIDAY
Northwest wind 15 to 20 knots. Gusts up to 25 knots
decreasing to 20 knots in the afternoon. Scattered snow showers
in the morning, then scattered flurries in the afternoon. Waves
1 to 2 feet.
FRIDAY NIGHT
Northwest wind 10 to 15 knots. Gusts up to
20 knots in the evening. Partly cloudy. Waves 1 foot or less.
SATURDAY
West wind 5 to 10 knots becoming southwest in the
afternoon. Partly sunny. Waves 1 foot or less.
Note...Wave height forecasts are for ice free areas.
LSZ143-230500
Silver Bay Harbor to Two Harbors MN
517 PM CST Thu Jan 22 2026
SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON
TONIGHT
Northwest wind 20 to 25 knots. Gusts up to 30 knots
decreasing to 25 knots after midnight. Scattered flurries through
the night. Waves 1 to 3 feet subsiding to 1 to 2 feet after
midnight.
FRIDAY
Northwest wind 15 to 20 knots. Gusts up to 25 knots.
Scattered snow showers in the morning, then scattered flurries in
the afternoon. Waves 1 to 2 feet.
FRIDAY NIGHT
Northwest wind 10 to 15 knots. Gusts up to
20 knots early in the evening. Partly cloudy. Waves 1 foot or
less.
SATURDAY
West wind 5 to 10 knots becoming southwest in the
afternoon. Partly sunny. Waves 1 foot or less.
Note...Wave height forecasts are for ice free areas.
LSZ144-230500
Two Harbors to Duluth MN
517 PM CST Thu Jan 22 2026
SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON
TONIGHT
Northwest wind 20 to 25 knots with gusts to around
30 knots easing to 10 to 15 knots with gusts to around 25 knots
late in the night. Scattered flurries through the night. Waves
1 to 3 feet subsiding to 1 to 2 feet after midnight.
FRIDAY
West wind 10 to 15 knots. Gusts up to 20 knots in the
morning. Scattered flurries. Waves 1 to 2 feet.
FRIDAY NIGHT
West wind 10 to 15 knots. Partly cloudy. Waves
1 foot or less.
SATURDAY
West wind 5 to 10 knots becoming southwest late in
the afternoon. Partly sunny. Waves 1 foot or less.
Note...Wave height forecasts are for ice free areas.
LSZ145-230500
Duluth MN to Port Wing WI
517 PM CST Thu Jan 22 2026
HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL 4 AM CST FRIDAY
SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON
TONIGHT
Northwest wind 20 to 25 knots. Scattered flurries in
the evening. Scattered snow showers after midnight. Waves 3 to
5 feet. Waves occasionally to 7 feet.
FRIDAY
West wind 15 to 20 knots. Scattered snow showers in the
morning. Scattered flurries in the afternoon. Waves 1 to 3 feet.
FRIDAY NIGHT
West wind 10 to 15 knots. Partly cloudy. Waves
1 to 2 feet.
SATURDAY
Southwest wind 5 to 10 knots. Partly sunny. Waves
1 foot or less.
Note...Wave height forecasts are for ice free areas.
LSZ146-230500
Port Wing to Sand Island WI
517 PM CST Thu Jan 22 2026
HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL 4 AM CST FRIDAY
SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON
TONIGHT
Northwest wind 20 to 25 knots. Gusts up to 30 knots
early in the evening. Heavy freezing spray until early morning.
Isolated snow showers early in the evening. Scattered snow
showers in the late evening and overnight. Waves 4 to 6 feet.
Waves occasionally to 8 feet.
FRIDAY
Northwest wind 15 to 20 knots with gusts to around
25 knots becoming west 10 to 15 knots with gusts to around
20 knots in the afternoon. Scattered snow showers. Waves 2 to
4 feet subsiding to 1 to 3 feet in the afternoon.
FRIDAY NIGHT
West wind 10 to 15 knots easing to 10 knots early
in the morning. Scattered flurries in the evening. Waves 1 to
2 feet.
SATURDAY
Southwest wind 5 to 10 knots. Mostly cloudy. Waves
1 foot or less.
Note...Wave height forecasts are for ice free areas.
LSZ147-230500
Sand Island to Bayfield WI
517 PM CST Thu Jan 22 2026
HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL 4 AM CST FRIDAY
SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON
TONIGHT
Northwest wind 20 to 25 knots. Heavy freezing spray.
Scattered snow showers. Waves 4 to 7 feet. Waves occasionally to
9 feet.
FRIDAY
Northwest wind 15 to 20 knots. Gusts up to 25 knots
early in the morning. Scattered snow showers. Waves 3 to 5 feet
subsiding to 1 to 3 feet late in the afternoon.
FRIDAY NIGHT
West wind 10 to 15 knots. Gusts up to 20 knots
early in the evening. Scattered flurries in the evening. Waves
1 to 2 feet.
SATURDAY
Southwest wind 5 to 10 knots. Partly sunny. Waves
1 foot or less.
Note...Wave height forecasts are for ice free areas.
LSZ150-230500
Outer Apostle Islands Beyond 5 NM from Mainland
517 PM CST Thu Jan 22 2026
HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH FRIDAY MORNING
SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON
TONIGHT
Northwest wind up to 30 knots. Heavy freezing spray
through the night. Scattered snow showers until early morning.
Numerous snow showers late in the night. Waves 6 to 9 feet. Waves
occasionally to 12 feet.
FRIDAY
Northwest wind 20 to 25 knots. Numerous snow showers in
the morning, then scattered snow showers in the afternoon. Waves
4 to 6 feet subsiding to 2 to 4 feet late in the afternoon. Waves
occasionally to 8 feet.
FRIDAY NIGHT
West wind 15 to 20 knots. Isolated snow showers
in the evening. Waves 1 to 3 feet subsiding to 1 to 2 feet in the
late evening and overnight.
SATURDAY
Southwest wind 10 to 15 knots. Partly sunny. Waves
1 foot or less.
Note...Wave height forecasts are for ice free areas.
LSZ148-230500
Oak Point to Saxon Harbor WI
517 PM CST Thu Jan 22 2026
SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON
TONIGHT
Northwest wind 20 to 25 knots. Scattered snow showers.
Waves 1 foot or less.
FRIDAY
West wind 15 to 20 knots with gusts to around 25 knots
easing to 10 to 15 knots with gusts to around 20 knots in the
late morning and afternoon. Scattered snow showers. Waves 1 foot
or less.
FRIDAY NIGHT
Southwest wind 10 to 15 knots easing to 5 to
10 knots after midnight. Mostly cloudy in the evening then
becoming partly cloudy. Waves 1 foot or less.
SATURDAY
Southwest wind 5 to 10 knots. 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
WFO DLH



