Nearshore Marine Forecast
Issued by NWS Duluth, MN

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FZUS53 KDLH 230850
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
350 AM CDT Tue Apr 23 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.

LSZ141-231615-
Grand Marais to Taconite Harbor MN-
350 AM CDT Tue Apr 23 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON CDT TODAY THROUGH
THIS EVENING...

.TODAY...West wind 5 to 10 knots becoming northeast 10 to
15 knots with gusts to around 25 knots in the late morning and
afternoon. Isolated rain showers early in the morning, then
scattered rain showers in the late morning and early afternoon.
Scattered snow showers early in the afternoon. Waves 1 to 3 feet.
.TONIGHT...Northeast wind 5 to 10 knots. Mostly clear. Waves 1 to
2 feet.
.WEDNESDAY...East wind 5 to 10 knots becoming southeast in the
late morning and afternoon. Sunny. Waves 1 to 2 feet.
.WEDNESDAY NIGHT...Southeast wind 5 to 10 knots becoming
northeast after midnight. Mostly clear. Waves 1 foot or less.

$$

LSZ140-231615-
Grand Portage to Grand Marais MN-
350 AM CDT Tue Apr 23 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM CDT THIS MORNING
THROUGH THIS EVENING...

.TODAY...Northwest wind 10 to 15 knots with gusts to around
20 knots becoming northeast 20 to 25 knots with gusts to around
30 knots in the late morning and afternoon. Scattered rain
showers in the morning. Scattered snow showers through the day.
Isolated rain showers in the afternoon. Waves 1 to 2 feet
building to 3 to 5 feet in the late morning and afternoon.
.TONIGHT...Northeast wind 15 to 20 knots. Gusts up to 25 knots.
Clear. Waves 2 to 4 feet subsiding to 1 to 3 feet early in the
morning.
.WEDNESDAY...Northeast wind 5 to 10 knots becoming south in the
afternoon. Sunny. Waves 1 to 2 feet.
.WEDNESDAY NIGHT...South wind 5 to 10 knots becoming southwest
early in the morning. Mostly clear. Waves 1 foot or less.

$$

LSZ142-143-231615-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
350 AM CDT Tue Apr 23 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON CDT TODAY THROUGH
THIS EVENING...

.TODAY...West wind 5 to 10 knots becoming northeast 15 to
20 knots with gusts to around 25 knots in the late morning and
afternoon. Isolated rain showers early in the morning, then
scattered rain showers in the late morning and early afternoon.
Isolated rain showers late in the afternoon. Waves 1 foot or less
building to 3 to 5 feet in the afternoon.
.TONIGHT...East wind 10 to 15 knots. Mostly clear. Waves 2 to
4 feet subsiding to 1 to 3 feet after midnight.
.WEDNESDAY...East wind 10 to 15 knots. Gusts up to 20 knots in
the afternoon. Sunny. Waves 1 to 3 feet.
.WEDNESDAY NIGHT...East wind 10 to 15 knots with gusts to around
20 knots becoming northeast 5 to 10 knots after midnight. Mostly
clear. Waves 1 to 3 feet.

$$

LSZ144-145-231615-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
350 AM CDT Tue Apr 23 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON CDT TODAY THROUGH
THIS EVENING...

.TODAY...West wind 5 to 10 knots becoming northwest 10 to
15 knots late in the morning, then becoming northeast 20 to
25 knots with gusts to around 30 knots in the afternoon.
Scattered rain showers in the morning. Isolated thunderstorms
through the day. Numerous rain showers and isolated snow showers
in the afternoon. Waves 1 foot or less building to 3 to 5 feet in
the afternoon.
.TONIGHT...East wind 10 to 15 knots. Partly cloudy. Waves 2 to
4 feet subsiding to 1 to 3 feet after midnight.
.WEDNESDAY...East wind 10 to 15 knots. Gusts up to 20 knots in
the afternoon. Sunny. Waves 1 to 3 feet.
.WEDNESDAY NIGHT...East wind 10 to 15 knots. Gusts up to 20 knots
early in the evening. Mostly clear. Waves 1 to 3 feet.

$$

LSZ146-231615-
Port Wing to Sand Island WI-
350 AM CDT Tue Apr 23 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON CDT TODAY THROUGH
THIS EVENING...

.TODAY...Southwest wind 10 knots becoming northwest late in the
morning, then becoming northeast 20 to 25 knots with gusts to
around 30 knots in the afternoon. Scattered rain showers in the
morning. Numerous rain showers and scattered snow showers in the
afternoon. Waves 1 foot or less building to 4 to 6 feet in the
afternoon. Waves occasionally to 7 feet.
.TONIGHT...East wind 10 to 15 knots. Gusts up to 20 knots after
midnight. Mostly clear. Waves 2 to 4 feet.
.WEDNESDAY...East wind 10 to 15 knots. Gusts up to 20 knots in
the afternoon. Sunny. Waves 1 to 3 feet.
.WEDNESDAY NIGHT...East wind 10 to 15 knots with gusts to around
20 knots easing to 5 knots after midnight. Mostly clear. Waves
1 to 2 feet.

$$

LSZ147-231615-
Sand Island to Bayfield WI-
350 AM CDT Tue Apr 23 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON CDT TODAY THROUGH
THIS EVENING...

.TODAY...West wind 5 to 10 knots becoming north 10 to 15 knots
late in the morning, then becoming northeast 20 to 25 knots with
gusts to around 30 knots in the afternoon. Isolated rain showers
early in the morning, then scattered rain showers in the late
morning and afternoon. Scattered snow showers in the afternoon.
Waves 1 foot or less building to 4 to 6 feet in the afternoon.
Waves occasionally to 7 feet.
.TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots
early in the evening then 20 knots after midnight. Partly cloudy
in the evening then becoming clear. Waves 2 to 4 feet.
.WEDNESDAY...East wind 5 to 10 knots. Sunny. Waves 1 to 3 feet.
.WEDNESDAY NIGHT...East wind 5 to 10 knots. Mostly clear. Waves
1 to 2 feet.

$$

LSZ121-231615-
Chequamegon Bay-Bayfield to Oak Point WI-
350 AM CDT Tue Apr 23 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON CDT TODAY THROUGH
THIS EVENING...

.TODAY...West wind 5 to 10 knots becoming north 10 to 15 knots
late in the morning, then becoming northeast 15 to 20 knots with
gusts to around 25 knots in the afternoon. Isolated rain showers
early in the morning, then scattered rain showers in the late
morning and afternoon. Scattered snow showers late in the
afternoon. Waves 1 to 3 feet.
.TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots
early in the evening. Partly cloudy in the evening then clearing.
Waves 1 to 2 feet.
.WEDNESDAY...East wind 5 to 10 knots. Sunny. Waves 1 to 2 feet.
.WEDNESDAY NIGHT...East wind 5 to 10 knots becoming south after
midnight. Mostly clear. Waves 1 foot or less.

$$

LSZ148-231615-
Oak Point to Saxon Harbor WI-
350 AM CDT Tue Apr 23 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON CDT TODAY THROUGH
WEDNESDAY MORNING...

.TODAY...Southwest wind 10 knots becoming northwest late in the
morning, then becoming northeast 20 to 25 knots with gusts to
around 30 knots in the afternoon. Isolated rain showers early in
the morning, then scattered rain showers in the late morning and
afternoon. Scattered snow showers late in the afternoon. Waves
1 foot or less building to 6 to 9 feet in the afternoon. Waves
occasionally to 12 feet.
.TONIGHT...Northeast wind 15 to 20 knots. Partly cloudy in the
evening then becoming clear. Waves 5 to 8 feet subsiding to 4 to
6 feet early in the morning. Waves occasionally to 11 feet.
.WEDNESDAY...East wind 5 to 10 knots. Sunny. Waves 3 to 5 feet
subsiding to 1 to 3 feet late in the afternoon.
.WEDNESDAY NIGHT...East wind 5 to 10 knots becoming south after
midnight. Mostly clear. Waves 1 to 2 feet.

$$

LSZ150-231615-
Outer Apostle Islands Beyond 5 NM from Mainland-
350 AM CDT Tue Apr 23 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM CDT THIS MORNING
THROUGH WEDNESDAY MORNING...

.TODAY...West wind 10 knots becoming north 15 to 20 knots with
gusts to around 25 knots late in the morning, then becoming
northeast 20 to 25 knots with gusts to around 30 knots in the
afternoon. Scattered rain showers through the day. Scattered snow
showers in the afternoon. Waves 1 to 2 feet building to 5 to
8 feet in the afternoon. Waves occasionally to 10 feet.
.TONIGHT...Northeast wind 15 to 20 knots. Gusts up to 25 knots in
the evening. Mostly clear. Waves 4 to 7 feet. Waves occasionally
to 9 feet.
.WEDNESDAY...East wind 5 to 10 knots. Sunny. Waves 3 to 5 feet
subsiding to 1 to 3 feet late in the afternoon.
.WEDNESDAY NIGHT...East wind 5 to 10 knots becoming southeast
early in the morning. Mostly clear. Waves 1 to 2 feet.

$$

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

Unruh


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