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National Weather Service Marine Forecast FZUS53 KDLH

FZUS53 KDLH 192014
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
314 PM CDT Tue Oct 19 2021

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.

LSZ140-141-200430-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
314 PM CDT Tue Oct 19 2021

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

TONIGHT
Northwest wind 10 to 15 knots becoming north 15 to
20 knots with gusts to around 30 knots in the late evening and
overnight. Mostly clear early in the evening then becoming mostly
cloudy. Waves 1 to 2 feet building to 2 to 4 feet in the late
evening and overnight.

WEDNESDAY
Northeast wind 15 to 20 knots. Gusts up to 25 knots.
Mostly cloudy. Waves 2 to 4 feet.

WEDNESDAY NIGHT
North wind 10 to 15 knots. Gusts up to
20 knots in the late evening and overnight. Mostly cloudy in the
evening then becoming partly cloudy. Waves 1 to 3 feet.

THURSDAY
North wind 10 to 15 knots. Mostly sunny. Waves 1 to
2 feet.



LSZ143-200430-
Silver Bay Harbor to Two Harbors MN-
314 PM CDT Tue Oct 19 2021

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

TONIGHT
Northwest wind 5 to 10 knots becoming northeast 15 to
20 knots with gusts to around 25 knots in the late evening and
overnight. Partly cloudy early in the evening then becoming
mostly cloudy. Waves 1 to 3 feet building to 2 to 4 feet late in
the night.

WEDNESDAY
Northeast wind 15 to 20 knots with gusts to around
25 knots. Chance of rain showers in the afternoon. Waves 4 to
6 feet. Waves occasionally to 8 feet.

WEDNESDAY NIGHT
Northeast wind 15 to 20 knots becoming north
10 to 15 knots early in the morning. Chance of rain showers
through the night. Waves 3 to 5 feet. Waves occasionally to
7 feet.

THURSDAY
North wind 5 to 10 knots. Mostly sunny. Waves 1 to
3 feet.



LSZ142-200430-
Taconite Harbor to Silver Bay Harbor MN-
314 PM CDT Tue Oct 19 2021

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

TONIGHT
Northwest wind 5 to 10 knots becoming northeast 15 to
20 knots in the late evening and overnight. Partly cloudy early
in the evening then becoming mostly cloudy. Waves 1 to 3 feet.

WEDNESDAY
Northeast wind 10 to 15 knots with gusts to around
20 knots. Mostly cloudy. Waves 2 to 4 feet.

WEDNESDAY NIGHT
Northeast wind 10 to 15 knots becoming north
early in the morning. Slight chance of rain showers through the
night. Waves 2 to 4 feet subsiding to 1 to 3 feet early in the
morning. A small craft advisory may be needed.

THURSDAY
North wind 5 to 10 knots. Mostly sunny. Waves 1 to
2 feet.



LSZ144-145-200430-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
314 PM CDT Tue Oct 19 2021

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

TONIGHT
West wind 5 to 10 knots becoming northeast 15 to
20 knots with gusts to around 30 knots in the late evening and
early morning, then becoming northeast 15 to 20 knots with gusts
to around 25 knots late in the night. Partly cloudy early in the
evening then becoming mostly cloudy. Waves 1 foot or less
building to 3 to 5 feet after midnight. Waves occasionally to
7 feet.

WEDNESDAY
Northeast wind 20 to 25 knots with gusts to around
30 knots. Chance of rain showers in the afternoon. Waves 4 to
7 feet. Waves occasionally to 8 feet.

WEDNESDAY NIGHT
Northeast wind 15 to 20 knots. Gusts up to
25 knots early in the evening. Chance of rain showers through the
night. Waves 4 to 6 feet. Waves occasionally to 8 feet.

THURSDAY
North wind 10 to 15 knots becoming northwest 5 to
10 knots late in the afternoon. Mostly sunny. Waves 2 to 4 feet
subsiding to 1 to 3 feet in the late morning and afternoon.



LSZ146-147-200430-
Port Wing to Sand Island WI-Sand Island to Bayfield WI-
314 PM CDT Tue Oct 19 2021

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

TONIGHT
West wind 5 to 10 knots becoming north 10 to 15 knots
with gusts to around 20 knots late in the evening, then becoming
northeast 15 to 20 knots with gusts to around 30 knots after
midnight. Partly cloudy early in the evening then becoming mostly
cloudy. Waves 1 to 2 feet building to 3 to 5 feet after midnight.
Waves occasionally to 7 feet.

WEDNESDAY
Northeast wind 20 to 25 knots. Gusts up to 30 knots
until late afternoon. Chance of rain showers in the afternoon.
Waves 4 to 6 feet. Waves occasionally to 8 feet.

WEDNESDAY NIGHT
Northeast wind 15 to 20 knots. Gusts up to
25 knots early in the evening. Chance of rain showers through the
night. Waves 4 to 6 feet. Waves occasionally to 7 feet.

THURSDAY
North wind 10 to 15 knots with gusts to around
20 knots becoming northwest 5 to 10 knots late in the afternoon.
Mostly sunny. Waves 2 to 4 feet subsiding to 1 to 2 feet in the
afternoon.



LSZ150-200430-
Outer Apostle Islands Beyond 5 NM from Mainland-
314 PM CDT Tue Oct 19 2021

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

TONIGHT
West wind 5 to 10 knots becoming north 20 to 25 knots
late in the evening, then becoming northeast with local gusts to
around 35 knots after midnight. Partly cloudy early in the
evening then becoming mostly cloudy. Waves 1 to 3 feet building to
4 to 7 feet after midnight. Waves occasionally to 9 feet.

WEDNESDAY
Northeast wind 20 to 25 knots easing to 10 to
20 knots early in the afternoon, then rising to 20 to 25 knots
late in the afternoon. Chance of rain showers in the afternoon.
Waves 5 to 8 feet. Waves occasionally to 10 feet.

WEDNESDAY NIGHT
Northeast wind 15 to 20 knots. Gusts up to
25 knots early in the evening. Chance of rain showers through the
night. Waves 4 to 7 feet. Waves occasionally to 9 feet.

THURSDAY
North wind 15 to 20 knots becoming northwest 10 knots
late in the afternoon. Mostly sunny. Waves 4 to 6 feet subsiding
to 1 to 3 feet. Waves occasionally to 7 feet. A small craft
advisory may be needed.



LSZ121-200430-
Chequamegon Bay-Bayfield to Oak Point WI-
314 PM CDT Tue Oct 19 2021

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

TONIGHT
West wind 5 knots becoming northwest 10 to 15 knots
late in the evening, then becoming northeast 15 to 20 knots with
gusts to around 30 knots after midnight. Partly cloudy early in
the evening then becoming mostly cloudy. Waves 1 to 3 feet.

WEDNESDAY
Northeast wind 15 to 20 knots. Gusts up to 25 knots
increasing to 30 knots late in the morning, then decreasing to
25 knots in the afternoon. Chance of rain showers in the
afternoon. Waves 1 to 3 feet.

WEDNESDAY NIGHT
Northeast wind 15 to 20 knots with gusts to
around 25 knots easing to 10 to 15 knots with gusts to around
20 knots after midnight. Chance of rain showers in the evening,
then slight chance of rain showers after midnight. Waves 1 to
3 feet.

THURSDAY
North wind 10 to 15 knots easing to 5 to 10 knots in
the late morning and afternoon. Mostly sunny. Waves 1 to 2 feet.



LSZ148-200430-
Oak Point to Saxon Harbor WI-
314 PM CDT Tue Oct 19 2021

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

TONIGHT
West wind 5 knots becoming northwest 15 to 20 knots
late in the evening, then becoming northeast 20 to 25 knots with
local gusts to around 35 knots after midnight. Partly cloudy
early in the evening then becoming mostly cloudy. Waves 1 foot or
less building to 4 to 7 feet after midnight. Waves occasionally to
9 feet.

WEDNESDAY
Northeast wind 20 to 25 knots with gusts to around
30 knots. Chance of rain showers in the afternoon. Waves 5 to
8 feet. Waves occasionally to 10 feet.

WEDNESDAY NIGHT
Northeast wind 15 to 20 knots. Gusts up to
25 knots early in the evening. Chance of rain showers in the
evening, then slight chance of rain showers after midnight. Waves
4 to 7 feet. Waves occasionally to 9 feet.

THURSDAY
North wind 10 to 15 knots with gusts to around
20 knots easing to 5 to 10 knots in the afternoon. Mostly sunny.
Waves 3 to 5 feet subsiding to 1 to 3 feet late in the afternoon.
Waves occasionally to 7 feet. A small craft advisory may be
needed.



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

Wolfe