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FZUS53 KDLH 161919
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
219 PM CDT Sun Mar 16 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.

LSZ140-141-170415-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
219 PM CDT Sun Mar 16 2025

.TONIGHT...Northwest wind 5 to 10 knots becoming west after
midnight, then becoming southeast late in the night. Chance of
flurries late in the night. Waves 1 foot or less.
.MONDAY...Southeast wind 10 to 15 knots with gusts to around
20 knots becoming east with gusts to around 20 knots late in the
afternoon. Chance of snow. Waves 1 to 3 feet.
.MONDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to
20 knots in the late evening and early morning. Slight chance of
snow in the evening. Waves 1 to 3 feet.
.TUESDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots in
the late morning and afternoon. Slight chance of snow in the
afternoon. Waves 1 to 3 feet.

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

$$

LSZ142-143-170415-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
219 PM CDT Sun Mar 16 2025

.TONIGHT...West wind 5 to 10 knots becoming southeast after
midnight. Chance of flurries in the late evening and overnight.
Waves 1 foot or less.
.MONDAY...East wind 10 to 15 knots becoming northeast with gusts
to around 25 knots in the afternoon. Chance of snow. Waves 1 to
3 feet.
.MONDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to
20 knots early in the evening. Mostly cloudy in the evening then
becoming partly cloudy. Waves 1 to 3 feet.
.TUESDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots in
the late morning and afternoon. Slight chance of snow in the
afternoon. Waves 1 to 3 feet.

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

$$

LSZ144-145-170415-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
219 PM CDT Sun Mar 16 2025

.TONIGHT...West wind 5 to 10 knots becoming southeast after
midnight. Chance of flurries late in the evening. Chance of
flurries late in the night. Waves 1 foot or less.
.MONDAY...East wind 10 to 15 knots becoming northeast with gusts
to around 25 knots late in the afternoon. Slight chance of snow
through the day. Chance of sprinkles in the afternoon. Waves 1 to
2 feet building to 1 to 3 feet late in the afternoon.
.MONDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to
20 knots early in the evening. Mostly cloudy. Waves 1 to 3 feet.
.TUESDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots in
the afternoon. Chance of snow in the afternoon. Waves 1 to 3 feet
building to 2 to 4 feet in the afternoon.

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

$$

LSZ146-170415-
Port Wing to Sand Island WI-
219 PM CDT Sun Mar 16 2025

.TONIGHT...West wind 5 to 10 knots becoming south after midnight.
Chance of flurries in the late evening and overnight. Waves
1 foot or less.
.MONDAY...Southeast wind 5 to 10 knots becoming northeast 10 to
15 knots with gusts to around 20 knots in the afternoon. Slight
chance of snow through the day. Chance of sprinkles in the
afternoon. Waves 1 to 3 feet.
.MONDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to
20 knots early in the evening. Mostly cloudy. Waves 1 to 3 feet.
.TUESDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots
late in the afternoon. Slight chance of snow in the afternoon.
Waves 1 to 3 feet.

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

$$

LSZ147-170415-
Sand Island to Bayfield WI-
219 PM CDT Sun Mar 16 2025

.TONIGHT...West wind 5 to 10 knots becoming south after midnight.
Mostly clear early in the evening then becoming mostly cloudy.
Waves 1 foot or less.
.MONDAY...Southeast wind 5 to 10 knots becoming northeast 10 to
15 knots with gusts to around 20 knots late in the afternoon.
Slight chance of snow. Waves 1 to 2 feet.
.MONDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to
20 knots early in the evening. Mostly cloudy. Waves 1 to 3 feet.
.TUESDAY...Northeast wind 5 to 10 knots. Gusts up to 20 knots in
the afternoon. Slight chance of snow in the afternoon. Waves 1 to
3 feet.

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

$$

LSZ150-170415-
Outer Apostle Islands Beyond 5 NM from Mainland-
219 PM CDT Sun Mar 16 2025

.TONIGHT...West wind 10 to 15 knots becoming south 5 to 10 knots
after midnight. Partly cloudy in the evening then becoming mostly
cloudy. Waves 1 to 2 feet.
.MONDAY...Southeast wind 10 to 15 knots becoming northeast with
gusts to around 20 knots late in the afternoon. Chance of
flurries in the morning, then slight chance of snow in the
afternoon. Waves 1 to 3 feet.
.MONDAY NIGHT...Northeast wind 15 to 20 knots with gusts to
around 25 knots easing to 5 to 10 knots early in the morning.
Mostly cloudy. Waves 1 to 3 feet.
.TUESDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots in
the afternoon. Slight chance of snow in the afternoon. Waves 2 to
4 feet.

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

$$

LSZ121-170415-
Chequamegon Bay-Bayfield to Oak Point WI-
219 PM CDT Sun Mar 16 2025

.TONIGHT...West wind 5 to 10 knots becoming south after midnight.
Partly cloudy in the evening then becoming mostly cloudy. Waves
1 foot or less.
.MONDAY...South wind 5 to 10 knots with gusts to around 20 knots
becoming northeast 10 to 15 knots late in the afternoon. Chance
of flurries in the morning, then chance of sprinkles and slight
chance of snow in the afternoon. Waves 1 foot or less.
.MONDAY NIGHT...Northeast wind 15 to 20 knots becoming north 5 to
10 knots after midnight. Mostly cloudy. Waves 1 foot or less.
.TUESDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots
late in the afternoon. Slight chance of snow in the afternoon.
Waves 1 to 2 feet.

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

$$

LSZ148-170415-
Oak Point to Saxon Harbor WI-
219 PM CDT Sun Mar 16 2025

.TONIGHT...West wind 5 to 10 knots becoming south after midnight.
Partly cloudy in the evening then becoming mostly cloudy. Waves
1 foot or less.
.MONDAY...South wind 5 to 10 knots with gusts to around 20 knots
becoming northeast 10 to 15 knots late in the afternoon. Chance
of flurries in the morning. Chance of sprinkles through the day.
Slight chance of snow in the afternoon. Waves 1 to 2 feet.
.MONDAY NIGHT...Northeast wind 15 to 20 knots becoming north 5 to
10 knots after midnight. Mostly cloudy. Waves 1 to 3 feet.
.TUESDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots
late in the afternoon. Slight chance of rain and snow in the
afternoon. Waves 1 to 3 feet building to 2 to 4 feet late in the
afternoon.

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

$$

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

Wolfe