Nearshore Marine Forecast
Issued by NWS Duluth, MN

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FZUS53 KDLH 170756
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
256 AM CDT Sun Mar 17 2024

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.

LSZ140-141-171615-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
256 AM CDT Sun Mar 17 2024

...GALE WARNING IN EFFECT UNTIL NOON CDT TODAY...

.TODAY...North wind 20 to 25 knots. Gusts up to 35 knots
decreasing to 30 knots in the afternoon. Chance of snow showers
early in the morning, then slight chance of snow showers late in
the morning. Chance of flurries in the afternoon. Waves 2 to
4 feet.
.TONIGHT...North wind 20 to 25 knots. Gusts up to 30 knots
decreasing to 25 knots after midnight. Chance of flurries in the
evening. Waves 2 to 4 feet subsiding to 1 to 3 feet early in the
morning. A small craft advisory may be needed.
.MONDAY...Northwest wind 10 to 15 knots with gusts to around
25 knots becoming west with gusts to around 20 knots in the
afternoon. Mostly sunny. Waves 1 to 2 feet.
.MONDAY NIGHT...Southwest wind 10 to 15 knots. Gusts up to
20 knots until early morning. Chance of snow showers through the
night. Waves 1 to 3 feet.

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

$$

LSZ142-171615-
Taconite Harbor to Silver Bay Harbor MN-
256 AM CDT Sun Mar 17 2024

...GALE WARNING IN EFFECT UNTIL NOON CDT TODAY...

.TODAY...Northwest wind 15 to 20 knots. Gusts up to 35 knots
decreasing to 30 knots in the afternoon. Chance of snow showers
early in the morning, then slight chance of snow showers late in
the morning. Chance of flurries in the afternoon. Waves 1 to
3 feet.
.TONIGHT...North wind 15 to 20 knots. Gusts up to 30 knots
decreasing to 25 knots after midnight. Chance of flurries in the
evening. Waves 1 to 3 feet.
.MONDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots becoming west with gusts to around 25 knots in the
afternoon. Partly sunny. Waves 1 to 3 feet.
.MONDAY NIGHT...Southwest wind 10 to 15 knots. Gusts up to
20 knots early in the evening. Chance of snow showers. Waves 1 to
3 feet.

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

$$

LSZ143-171615-
Silver Bay Harbor to Two Harbors MN-
256 AM CDT Sun Mar 17 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TODAY...Northwest wind 15 to 20 knots. Gusts up to 30 knots
decreasing to 25 knots in the afternoon. Chance of snow showers.
Waves 1 to 3 feet.
.TONIGHT...North wind 15 to 20 knots. Gusts up to 25 knots
decreasing to 20 knots after midnight. Mostly cloudy. Waves 1 to
3 feet.
.MONDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots becoming west with gusts to around 25 knots in the
afternoon. Mostly sunny. Waves 1 to 3 feet.
.MONDAY NIGHT...Southwest wind 15 to 20 knots becoming west 5 to
10 knots early in the morning. Slight chance of snow showers.
Waves 1 to 3 feet subsiding to 1 to 2 feet early in the morning.

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

$$

LSZ144-145-171615-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
256 AM CDT Sun Mar 17 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TODAY...Northwest wind 15 to 20 knots with gusts to around
25 knots. Chance of snow showers. Waves 2 to 4 feet.
.TONIGHT...North wind 15 to 20 knots. Gusts up to 30 knots
decreasing to 20 knots. Slight chance of snow showers in the
evening. Waves 2 to 4 feet subsiding to 1 to 3 feet early in the
morning.
.MONDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots becoming west 15 to 20 knots with gusts to around
25 knots in the afternoon. Partly sunny. Waves 1 to 3 feet.
.MONDAY NIGHT...Southwest wind 15 to 20 knots. Slight chance of
snow showers in the evening. Waves 2 to 4 feet subsiding to 1 to
2 feet early in the morning.

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

$$

LSZ146-171615-
Port Wing to Sand Island WI-
256 AM CDT Sun Mar 17 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TODAY...Northwest wind 15 to 20 knots. Gusts up to 30 knots
decreasing to 25 knots in the late morning and afternoon.
Freezing spray in the morning. Chance of snow showers in the
morning, then slight chance of snow showers early in the
afternoon. Chance of snow showers late in the afternoon. Waves
3 to 5 feet.
.TONIGHT...North wind 15 to 20 knots. Gusts up to 25 knots
decreasing to 20 knots early in the morning. Slight chance of
snow showers in the evening. Waves 3 to 5 feet.
.MONDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots becoming west with gusts to around 25 knots in the
afternoon. Partly sunny. Waves 1 to 3 feet subsiding to 1 to
2 feet in the late morning and early afternoon, then building to
1 to 3 feet late in the afternoon.
.MONDAY NIGHT...Southwest wind 15 to 20 knots. Chance of snow
showers. Waves 2 to 4 feet subsiding to 1 to 3 feet after
midnight.

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

$$

LSZ147-171615-
Sand Island to Bayfield WI-
256 AM CDT Sun Mar 17 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TODAY...Northwest wind 20 to 25 knots. Gusts up to 30 knots
decreasing to 25 knots in the afternoon. Freezing spray until
late afternoon. Chance of snow showers through the day. Waves
3 to 5 feet. Waves occasionally to 7 feet.
.TONIGHT...North wind 15 to 20 knots. Gusts up to 25 knots
decreasing to 20 knots early in the morning. Chance of snow
showers in the evening, then slight chance of snow showers after
midnight. Waves 3 to 5 feet. Waves occasionally to 7 feet.
.MONDAY...Northwest wind 10 to 15 knots becoming west in the
afternoon. Gusts up to 20 knots. Partly sunny. Waves 1 to 3 feet.
.MONDAY NIGHT...Southwest wind 10 to 15 knots with gusts to
around 20 knots easing to 10 knots early in the morning. Chance
of snow showers. Waves 1 to 3 feet.

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

$$

LSZ121-171615-
Chequamegon Bay-Bayfield to Oak Point WI-
256 AM CDT Sun Mar 17 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TODAY...Northwest wind 15 to 20 knots with gusts to around
25 knots easing to 5 to 15 knots with gusts to around 20 knots
late in the afternoon. Snow showers likely early in the morning,
then chance of snow showers in the late morning and afternoon.
Waves 1 to 2 feet.
.TONIGHT...North wind 15 to 20 knots. Chance of snow showers in
the evening, then slight chance of snow showers after midnight.
Waves 1 to 2 feet.
.MONDAY...Northwest wind 5 to 10 knots becoming west late in the
afternoon. Partly sunny. Waves 1 foot or less.
.MONDAY NIGHT...Southwest wind 10 to 15 knots easing to 5 to
10 knots after midnight. Chance of snow showers. Waves 1 foot or
less.

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

$$

LSZ148-171615-
Oak Point to Saxon Harbor WI-
256 AM CDT Sun Mar 17 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TODAY...Northwest wind 20 to 25 knots. Gusts up to 30 knots
decreasing to 25 knots in the afternoon. Freezing spray in the
morning. Snow showers likely in the morning, then chance of snow
showers in the afternoon. Waves 3 to 5 feet. Waves occasionally
to 7 feet.
.TONIGHT...North wind 15 to 20 knots. Gusts up to 25 knots
decreasing to 20 knots early in the morning. Chance of snow
showers. Waves 3 to 5 feet.
.MONDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots becoming west 5 to 10 knots late in the afternoon.
Slight chance of snow showers in the morning. Waves 2 to 4 feet
subsiding to 1 to 2 feet in the afternoon.
.MONDAY NIGHT...Southwest wind 10 to 15 knots. Chance of snow
showers. Waves 1 foot or less.

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

$$

LSZ150-171615-
Outer Apostle Islands Beyond 5 NM from Mainland-
256 AM CDT Sun Mar 17 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TODAY...Northwest wind 20 to 25 knots. Gusts up to 30 knots
decreasing to 25 knots late in the afternoon. Freezing spray
until late afternoon. Chance of snow showers through the day.
Waves 4 to 7 feet. Waves occasionally to 9 feet.
.TONIGHT...North wind 15 to 20 knots. Gusts up to 30 knots.
Chance of snow showers in the evening, then slight chance of snow
showers after midnight. Waves 4 to 6 feet. Waves occasionally to
8 feet.
.MONDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots becoming west with gusts to around 25 knots in the
afternoon. Mostly cloudy. Waves 2 to 4 feet subsiding to 1 to
3 feet in the afternoon.
.MONDAY NIGHT...Southwest wind 10 to 15 knots. Gusts up to
20 knots until early morning. Chance of snow showers through the
night. Waves 2 to 4 feet subsiding to 1 to 2 feet early in the
morning.

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

$$

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

Rothstein


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