774
FZUS53 KDLH 160648
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
148 AM CDT Sat May 16 2026

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.

LSZ140-161600-
Grand Portage to Grand Marais MN-
148 AM CDT Sat May 16 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS
MORNING...

.TODAY...West wind 10 to 15 knots. Gusts up to 20 knots
increasing to 25 knots in the late morning and early afternoon,
then decreasing to 20 knots late in the afternoon. Sunny. Waves
1 to 3 feet.
.TONIGHT...Northwest wind 10 to 15 knots with gusts to around
20 knots becoming south 5 to 10 knots after midnight. Mostly
clear. Waves 1 to 2 feet.
.SUNDAY...East wind up to 30 knots with gales to around 35 knots.
Chance of rain showers in the afternoon. Waves 1 to 2 feet
building to 5 to 8 feet. Waves occasionally to 10 feet. A gale
warning may be needed.
.SUNDAY NIGHT...East wind up to 30 knots with gales to around
35 knots becoming south 20 to 25 knots early in the morning. Rain
showers and chance of thunderstorms. Waves 5 to 8 feet. Waves
occasionally to 10 feet. A gale warning may be needed.

$$

LSZ141-161600-
Grand Marais to Taconite Harbor MN-
148 AM CDT Sat May 16 2026

.TODAY...West wind 10 to 15 knots with gusts to around 20 knots.
Sunny. Waves 1 to 2 feet.
.TONIGHT...West wind 5 to 10 knots with gusts to around 20 knots
becoming southeast early in the morning. Mostly clear. Waves
1 foot or less.
.SUNDAY...East wind up to 30 knots with gales to around 35 knots.
Rain showers likely in the afternoon. Waves 1 to 2 feet building
to 6 to 9 feet. Waves occasionally to 12 feet. A gale warning may
be needed.
.SUNDAY NIGHT...East wind up to 30 knots with gales to around
35 knots becoming south 15 to 20 knots with gusts to around
25 knots early in the morning. Rain showers and chance of
thunderstorms. Waves 6 to 9 feet subsiding to 4 to 6 feet early
in the morning. Waves occasionally to 12 feet. A gale warning may
be needed.

$$

LSZ142-161600-
Taconite Harbor to Silver Bay Harbor MN-
148 AM CDT Sat May 16 2026

.TODAY...West wind 10 to 15 knots with gusts to around 20 knots.
Sunny. Waves 1 foot or less.
.TONIGHT...West wind 5 to 10 knots becoming southeast early in
the morning. Mostly clear. Waves 1 foot or less.
.SUNDAY...East wind up to 30 knots with gales to around 35 knots.
Rain showers likely in the afternoon. Waves 1 to 2 feet building
to 7 to 10 feet. Waves occasionally to 13 feet. A gale warning
may be needed.
.SUNDAY NIGHT...East wind 20 to 25 knots with gales to around
35 knots becoming southwest 15 to 20 knots early in the morning.
Rain showers and chance of thunderstorms. Waves 7 to 10 feet
subsiding to 4 to 7 feet early in the morning. Waves occasionally
to 14 feet. A gale warning may be needed.

$$

LSZ143-161600-
Silver Bay Harbor to Two Harbors MN-
148 AM CDT Sat May 16 2026

.TODAY...West wind 10 to 15 knots. Gusts up to 20 knots in the
late morning and afternoon. Sunny. Waves 1 foot or less.
.TONIGHT...West wind 5 to 10 knots becoming east 10 to 15 knots
with gusts to around 20 knots early in the morning. Mostly clear.
Waves 1 to 2 feet.
.SUNDAY...Northeast wind up to 30 knots with gales to around
35 knots. Rain showers likely in the afternoon. Waves 3 to 5 feet
building to 7 to 10 feet. Waves occasionally to 13 feet. A gale
warning may be needed.
.SUNDAY NIGHT...Northeast wind up to 30 knots with gales to
around 35 knots becoming southwest 15 to 20 knots with gusts to
around 25 knots early in the morning. Rain showers and chance of
thunderstorms. Waves 7 to 10 feet subsiding to 4 to 7 feet early
in the morning. Waves occasionally to 14 feet. A gale warning may
be needed.

$$

LSZ144-161600-
Two Harbors to Duluth MN-
148 AM CDT Sat May 16 2026

.TODAY...West wind 10 to 15 knots with gusts to around 20 knots.
Sunny. Waves 1 to 2 feet.
.TONIGHT...Northwest wind 10 to 15 knots becoming east 15 to
20 knots after midnight. Mostly clear. Waves 1 to 3 feet.
.SUNDAY...Northeast wind up to 30 knots. Gusts up to 30 knots
increasing to 35 knots in the afternoon. Slight chance of rain
showers in the morning, then rain showers likely in the
afternoon. Waves 7 to 10 feet. Waves occasionally to 12 feet. A
gale warning may be needed.
.SUNDAY NIGHT...Northeast wind up to 30 knots with gales to
around 35 knots becoming south 15 to 20 knots early in the
morning. Rain showers and chance of thunderstorms. Waves 7 to
10 feet subsiding to 4 to 7 feet early in the morning. Waves
occasionally to 14 feet. A gale warning may be needed.

$$

LSZ145-161600-
Duluth MN to Port Wing WI-
148 AM CDT Sat May 16 2026

.TODAY...West wind 10 to 15 knots. Gusts up to 20 knots late in
the morning increasing to 25 knots, then decreasing to 20 knots
late in the afternoon. Sunny. Waves 1 to 2 feet.
.TONIGHT...Northwest wind 10 to 15 knots becoming east 5 to
10 knots after midnight, then rising to 15 to 20 knots early in
the morning. Clear in the evening then becoming partly cloudy.
Waves 1 to 2 feet building to 1 to 3 feet early in the morning.
.SUNDAY...Northeast wind up to 30 knots. Gusts up to 30 knots
increasing to 35 knots in the afternoon. Slight chance of rain
showers in the morning, then rain showers likely in the
afternoon. Waves 6 to 9 feet. Waves occasionally to 12 feet. A
gale warning may be needed.
.SUNDAY NIGHT...Northeast wind up to 30 knots with gales to
around 35 knots becoming south 15 to 20 knots early in the
morning. Rain showers and chance of thunderstorms. Waves 7 to
10 feet subsiding to 4 to 6 feet early in the morning. Waves
occasionally to 14 feet. A gale warning may be needed.

$$

LSZ146-161600-
Port Wing to Sand Island WI-
148 AM CDT Sat May 16 2026

.TODAY...West wind 10 to 15 knots with gusts to around 20 knots.
Sunny. Waves 1 to 2 feet.
.TONIGHT...West wind 5 to 10 knots becoming southeast 10 to
15 knots with gusts to around 20 knots after midnight. Mostly
clear. Waves 1 to 2 feet.
.SUNDAY...East wind 20 to 25 knots. Gusts up to 30 knots. Rain
showers likely in the afternoon. Waves 1 to 3 feet building to
6 to 9 feet. Waves occasionally to 11 feet. A small craft
advisory may be needed.
.SUNDAY NIGHT...East wind 20 to 25 knots with gusts to around
30 knots becoming southwest 15 to 20 knots early in the morning.
Rain showers and chance of thunderstorms. Waves 7 to 10 feet
subsiding to 5 to 8 feet after midnight. Waves occasionally to
13 feet. A small craft advisory may be needed.

$$

LSZ147-161600-
Sand Island to Bayfield WI-
148 AM CDT Sat May 16 2026

.TODAY...West wind 10 to 15 knots with gusts to around 20 knots.
Sunny. Waves 1 to 2 feet.
.TONIGHT...West wind 5 to 10 knots becoming southeast after
midnight, then becoming east 10 to 15 knots with gusts to around
20 knots early in the morning. Mostly clear. Waves 1 to 2 feet.
.SUNDAY...East wind 20 to 25 knots with gales to around 35 knots.
Rain showers likely in the afternoon. Waves 1 to 2 feet building
to 6 to 9 feet. Waves occasionally to 11 feet. A gale warning may
be needed.
.SUNDAY NIGHT...East wind 20 to 25 knots with gusts to around
30 knots becoming southwest 10 to 15 knots with gusts to around
20 knots early in the morning. Rain showers and chance of
thunderstorms. Waves 6 to 9 feet subsiding to 4 to 7 feet after
midnight. Waves occasionally to 12 feet. A small craft advisory
may be needed.

$$

LSZ150-161600-
Outer Apostle Islands Beyond 5 NM from Mainland-
148 AM CDT Sat May 16 2026

.TODAY...West wind 10 to 15 knots with gusts to around 20 knots.
Sunny. Waves 1 to 2 feet.
.TONIGHT...Northwest wind 5 to 10 knots becoming east 10 to
15 knots with gusts to around 20 knots after midnight. Mostly
clear. Waves 1 to 2 feet.
.SUNDAY...East wind 15 to 20 knots with gusts to around 25 knots
becoming northeast up to 30 knots with gales to around 35 knots
in the afternoon. Rain showers likely in the afternoon. Waves
1 to 3 feet building to 7 to 10 feet. Waves occasionally to
13 feet. A gale warning may be needed.
.SUNDAY NIGHT...East wind up to 30 knots with gales to around
35 knots becoming south 15 to 20 knots early in the morning. Rain
showers and chance of thunderstorms. Waves 8 to 11 feet subsiding
to 5 to 8 feet after midnight. Waves occasionally to 14 feet. A
gale warning may be needed.

$$

LSZ121-161600-
Chequamegon Bay-Bayfield to Oak Point WI-
148 AM CDT Sat May 16 2026

.TODAY...West wind 10 knots rising to 10 to 15 knots with gusts
to around 20 knots in the late morning and afternoon. Sunny.
Waves 1 foot or less.
.TONIGHT...Northwest wind 5 to 10 knots becoming west in the late
evening and early morning, then becoming southeast early in the
morning. Mostly clear. Waves 1 foot or less.
.SUNDAY...East wind 15 to 20 knots. Gusts up to 25 knots. Slight
chance of rain showers in the morning, then chance of rain
showers in the afternoon. Waves 1 to 3 feet.
.SUNDAY NIGHT...East wind 15 to 20 knots with gusts to around
25 knots becoming southwest 10 to 15 knots early in the morning.
Rain showers and chance of thunderstorms. Waves 1 to 3 feet
subsiding to 1 to 2 feet after midnight.

$$

LSZ148-161600-
Oak Point to Saxon Harbor WI-
148 AM CDT Sat May 16 2026

.TODAY...West wind 10 knots rising to 10 to 15 knots with gusts
to around 20 knots in the late morning and afternoon. Sunny.
Waves 1 to 2 feet.
.TONIGHT...Northwest wind 5 to 10 knots becoming southwest in the
late evening and early morning, then becoming southeast 10 to
15 knots early in the morning. Mostly clear. Waves 1 foot or
less.
.SUNDAY...East wind 20 to 25 knots with gusts to around 30 knots.
Slight chance of rain showers in the morning, then chance of rain
showers in the afternoon. Waves 1 to 2 feet building to 4 to
7 feet. Waves occasionally to 9 feet. A small craft advisory may
be needed.
.SUNDAY NIGHT...East wind 20 to 25 knots with gusts to around
30 knots becoming southeast 10 to 15 knots with gusts to around
20 knots after midnight, then becoming south early in the
morning. Rain showers and chance of thunderstorms. Waves 4 to
7 feet subsiding to 2 to 4 feet early in the morning. Waves
occasionally to 9 feet. A small craft advisory may be needed.

$$

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

WFO DLH