476
FZUS53 KDLH 092008
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
308 PM CDT Sun Mar 9 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.

LSZ140-141-100415-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
308 PM CDT Sun Mar 9 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON...
...GALE WATCH IN EFFECT FROM MONDAY EVENING THROUGH LATE MONDAY
NIGHT...

.TONIGHT...West wind 10 to 15 knots with gusts to around 20 knots
easing to 5 knots after midnight. Partly cloudy in the evening
then becoming mostly cloudy. Waves 2 to 4 feet subsiding to 1 to
3 feet in the late evening and overnight.
.MONDAY...Southeast wind 5 to 10 knots becoming southwest 10 to
15 knots with gusts to around 20 knots in the afternoon. Partly
sunny. Waves 1 to 2 feet.
.MONDAY NIGHT...West wind 10 to 15 knots with gusts to around
20 knots becoming northwest 20 to 25 knots with gales to around
40 knots in the late evening and overnight. Chance of rain in the
evening. Waves 1 to 3 feet building to 2 to 4 feet after
midnight. A gale warning may be needed.
.TUESDAY...Northwest wind 15 to 20 knots with gusts to around
30 knots becoming west 10 to 15 knots late in the afternoon.
Sunny. Waves 1 to 3 feet.

Note...Wave height forecasts are for ice free areas.

$$

LSZ142-143-100415-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
308 PM CDT Sun Mar 9 2025

...GALE WATCH IN EFFECT FROM MONDAY EVENING THROUGH LATE MONDAY
NIGHT...

.TONIGHT...West wind 5 to 10 knots. Partly cloudy. Waves 1 to
2 feet.
.MONDAY...South wind 5 to 10 knots becoming southwest 10 to
15 knots with gusts to around 20 knots late in the afternoon.
Mostly sunny. Waves 1 to 2 feet.
.MONDAY NIGHT...West wind 10 to 15 knots with gusts to around
20 knots becoming northwest 15 to 20 knots with gales to around
40 knots in the late evening and overnight. Chance of rain in the
evening. Waves 1 to 3 feet. A gale warning may be needed.
.TUESDAY...Northwest wind 10 to 15 knots with gusts to around
25 knots becoming west 5 to 10 knots late in the afternoon.
Sunny. Waves 1 to 2 feet.

Note...Wave height forecasts are for ice free areas.

$$

LSZ144-145-100415-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
308 PM CDT Sun Mar 9 2025

.TONIGHT...West wind 5 to 10 knots becoming southwest late in the
night. Partly cloudy. Waves 1 to 2 feet.
.MONDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots in
the afternoon. Partly sunny. Waves 1 to 2 feet.
.MONDAY NIGHT...Southwest 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 in the evening. Waves 1 to 2 feet building to 2 to 4 feet
in the late evening and overnight. A gale warning may be needed.
.TUESDAY...Northwest wind 15 to 20 knots with gusts to around
25 knots becoming west 5 to 10 knots in the afternoon. Sunny.
Waves 1 to 3 feet subsiding to 1 to 2 feet in the late morning
and afternoon.

Note...Wave height forecasts are for ice free areas.

$$

LSZ146-100415-
Port Wing to Sand Island WI-
308 PM CDT Sun Mar 9 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON...

.TONIGHT...West wind 5 to 10 knots becoming southwest after
midnight. Partly cloudy. Waves 1 to 2 feet.
.MONDAY...Southwest wind 10 to 15 knots with gusts to around
20 knots. Partly sunny. Waves 1 to 2 feet.
.MONDAY NIGHT...Southwest wind 10 to 15 knots with gusts to
around 20 knots becoming northwest 15 to 20 knots with gusts to
around 25 knots early in the morning. Slight chance of rain in
the evening. Waves 1 to 3 feet building to 2 to 4 feet after
midnight. A small craft advisory may be needed.
.TUESDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots becoming west 5 to 10 knots late in the afternoon.
Sunny. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late
morning and afternoon.

Note...Wave height forecasts are for ice free areas.

$$

LSZ147-100415-
Sand Island to Bayfield WI-
308 PM CDT Sun Mar 9 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON...

.TONIGHT...West wind 5 to 10 knots becoming south late in the
night. Partly cloudy. Waves 1 to 2 feet.
.MONDAY...Southwest wind 5 to 10 knots with gusts to around
20 knots rising to 10 to 15 knots with gusts to around 20 knots
late in the afternoon. Mostly sunny. Waves 1 to 2 feet.
.MONDAY NIGHT...West wind 15 to 20 knots with gusts to around
25 knots becoming northwest with gusts to around 30 knots after
midnight. Slight chance of rain in the evening. Waves 1 to 3 feet
building to 2 to 4 feet after midnight. A small craft advisory
may be needed.
.TUESDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots becoming west 5 to 10 knots late in the afternoon.
Sunny. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late
morning and afternoon.

Note...Wave height forecasts are for ice free areas.

$$

LSZ150-100415-
Outer Apostle Islands Beyond 5 NM from Mainland-
308 PM CDT Sun Mar 9 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON...
...GALE WATCH IN EFFECT FROM MONDAY EVENING THROUGH LATE MONDAY
NIGHT...

.TONIGHT...West wind 5 to 10 knots becoming south late in the
night. Partly cloudy. Waves 1 to 3 feet.
.MONDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots in
the afternoon. Partly sunny. Waves 1 to 2 feet.
.MONDAY NIGHT...West wind 15 to 20 knots with gusts to around
25 knots becoming northwest 20 to 25 knots with gusts to around
30 knots after midnight. Slight chance of rain in the evening.
Waves 1 to 3 feet building to 4 to 6 feet. Waves occasionally to
8 feet. A small craft advisory may be needed.
.TUESDAY...Northwest wind 15 to 20 knots with gusts to around
25 knots becoming west 5 to 10 knots in the afternoon. Sunny.
Waves 3 to 5 feet subsiding to 1 to 3 feet in the afternoon.
Waves occasionally to 7 feet. A small craft advisory may be
needed.

Note...Wave height forecasts are for ice free areas.

$$

LSZ121-100415-
Chequamegon Bay-Bayfield to Oak Point WI-
308 PM CDT Sun Mar 9 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON...

.TONIGHT...West wind 5 to 10 knots becoming southwest late in the
night. Partly cloudy. Waves 1 foot or less.
.MONDAY...Southwest wind 10 to 15 knots with gusts to around
25 knots. Mostly sunny. Waves 1 foot or less.
.MONDAY NIGHT...Southwest wind 10 to 15 knots with gusts to
around 25 knots becoming northwest 15 to 20 knots with gusts to
around 25 knots after midnight. Mostly cloudy. Waves 1 to 2 feet.
.TUESDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots becoming west 5 knots late in the afternoon. Sunny.
Waves 1 to 2 feet.

Note...Wave height forecasts are for ice free areas.

$$

LSZ148-100415-
Oak Point to Saxon Harbor WI-
308 PM CDT Sun Mar 9 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON...

.TONIGHT...Southwest wind 5 to 10 knots becoming south late in
the night. Partly cloudy. Waves 1 foot or less.
.MONDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots in
the afternoon. Mostly sunny. Waves 1 to 2 feet.
.MONDAY NIGHT...Southwest wind 15 to 20 knots with gusts to
around 25 knots becoming northwest with gusts to around 25 knots
after midnight. Mostly cloudy. Waves 1 to 2 feet building to 2 to
4 feet after midnight.
.TUESDAY...Northwest wind 15 to 20 knots becoming west 5 to
10 knots in the afternoon. Sunny. Waves 1 to 3 feet subsiding to
1 to 2 feet in the late morning and afternoon.

Note...Wave height forecasts are for ice free areas.

$$

Graphical marine forecasts are available online at:
weather.gov/greatlakes

JDS