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FZUS53 KDLH 161102
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
602 AM CDT Sun Aug 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-
602 AM CDT Sun Aug 16 2026

.TODAY...West wind 5 to 10 knots with gusts to around 20 knots
becoming northwest with gusts to around 20 knots in the
afternoon. Mostly sunny. Waves 1 foot or less.
.TONIGHT...Northwest wind 5 to 10 knots. Mostly clear. Waves
1 foot or less.
.MONDAY...West wind 5 to 10 knots becoming southwest late in the
morning, then rising to 15 to 20 knots with gusts to around
25 knots in the afternoon. Partly sunny. Waves 1 to 3 feet
building to 2 to 4 feet late in the afternoon.
.MONDAY NIGHT...Southwest wind 10 to 15 knots with gusts to
around 25 knots becoming west 5 to 10 knots early in the morning.
Slight chance of rain showers through the night. Waves 2 to
4 feet subsiding to 1 to 3 feet in the late evening and
overnight.

$$

LSZ141-161600-
Grand Marais to Taconite Harbor MN-
602 AM CDT Sun Aug 16 2026

.TODAY...Northwest wind 5 to 10 knots. Gusts up to 20 knots in
the late morning and early afternoon. Chance of sprinkles late in
the morning. Waves 1 to 2 feet.
.TONIGHT...Northwest wind 5 to 10 knots. Mostly clear. Waves
1 foot or less.
.MONDAY...Northwest wind 5 knots becoming southwest 10 to
15 knots with gusts to around 20 knots in the late morning and
afternoon. Patchy fog in the morning. Waves 1 to 2 feet.
.MONDAY NIGHT...Southwest wind 5 to 10 knots with gusts to around
20 knots becoming west after midnight. Slight chance of rain
showers through the night. Waves 1 to 2 feet.

$$

LSZ142-161600-
Taconite Harbor to Silver Bay Harbor MN-
602 AM CDT Sun Aug 16 2026

.TODAY...West wind 5 to 10 knots with gusts to around 20 knots
becoming northwest with gusts to around 20 knots in the
afternoon. Mostly sunny. Waves 1 to 2 feet.
.TONIGHT...Northwest wind 5 knots. Mostly clear. Waves 1 foot or
less.
.MONDAY...West wind 5 knots becoming southwest with gusts to
around 20 knots in the late morning and afternoon. Patchy fog in
the morning. Waves 1 foot or less.
.MONDAY NIGHT...Southwest wind 5 knots becoming west after
midnight. Slight chance of thunderstorms in the evening. Slight
chance of rain showers through the night. Waves 1 foot or less.

$$

LSZ143-161600-
Silver Bay Harbor to Two Harbors MN-
602 AM CDT Sun Aug 16 2026

.TODAY...West wind 5 to 10 knots becoming northwest in the
afternoon. Mostly sunny. Waves 1 to 2 feet.
.TONIGHT...Northwest wind 5 knots. Patchy fog after midnight.
Waves 1 foot or less.
.MONDAY...West wind 5 knots becoming southwest with gusts to
around 20 knots in the afternoon. Patchy fog in the morning.
Waves 1 foot or less.
.MONDAY NIGHT...West wind 5 to 10 knots easing to 5 knots early
in the morning. Slight chance of thunderstorms in the evening.
Chance of rain showers through the night. Waves 1 foot or less.

$$

LSZ144-161600-
Two Harbors to Duluth MN-
602 AM CDT Sun Aug 16 2026

.TODAY...Northwest wind 5 to 10 knots. Gusts up to 20 knots late
in the morning. Partly sunny. Waves 1 to 2 feet.
.TONIGHT...Northwest wind 5 to 10 knots. Mostly clear. Waves
1 foot or less.
.MONDAY...Southwest wind 5 to 10 knots. Patchy fog in the
morning. Waves 1 foot or less.
.MONDAY NIGHT...West wind 5 to 10 knots. Slight chance of
thunderstorms in the evening. Chance of rain showers through the
night. Waves 1 foot or less.

$$

LSZ145-161600-
Duluth MN to Port Wing WI-
602 AM CDT Sun Aug 16 2026

.TODAY...West wind 10 to 15 knots. Gusts up to 20 knots in the
late morning and early afternoon. Partly sunny. Waves 1 to
2 feet.
.TONIGHT...West wind 5 to 10 knots becoming southwest early in
the morning. Mostly clear. Waves 1 foot or less.
.MONDAY...Southwest wind 5 to 10 knots. Mostly sunny. Waves
1 foot or less.
.MONDAY NIGHT...West wind 5 to 10 knots. Chance of rain showers
and slight chance of thunderstorms through the night. Waves
1 foot or less.

$$

LSZ146-161600-
Port Wing to Sand Island WI-
602 AM CDT Sun Aug 16 2026

.TODAY...West wind 10 to 15 knots. Partly sunny. Waves 1 to
2 feet.
.TONIGHT...West wind 5 to 10 knots. Mostly clear. Waves 1 foot or
less.
.MONDAY...Southwest wind 5 to 10 knots. Gusts up to 20 knots in
the afternoon. Mostly sunny. Waves 1 foot or less.
.MONDAY NIGHT...Southwest wind 5 to 10 knots. Chance of showers
and slight chance of thunderstorms through the night. Waves
1 foot or less.

$$

LSZ147-161600-
Sand Island to Bayfield WI-
602 AM CDT Sun Aug 16 2026

.TODAY...West wind 10 to 15 knots easing to 5 to 10 knots with
gusts to around 20 knots in the late morning and afternoon.
Mostly sunny. Waves 1 foot or less.
.TONIGHT...West wind 5 to 10 knots. Mostly clear. Waves 1 foot or
less.
.MONDAY...West wind 5 to 10 knots becoming southwest late in the
afternoon. Mostly sunny. Waves 1 foot or less.
.MONDAY NIGHT...Southwest wind 5 knots becoming west after
midnight. Chance of showers and slight chance of thunderstorms
through the night. Waves 1 foot or less.

$$

LSZ150-161600-
Outer Apostle Islands Beyond 5 NM from Mainland-
602 AM CDT Sun Aug 16 2026

.TODAY...West wind 10 to 15 knots. Gusts up to 20 knots until
late afternoon. Mostly sunny. Waves 1 to 2 feet.
.TONIGHT...West wind 5 to 10 knots. Mostly clear. Waves 1 foot or
less.
.MONDAY...West wind 5 to 10 knots becoming south late in the
afternoon. Mostly sunny. Waves 1 foot or less.
.MONDAY NIGHT...Southwest wind 5 to 10 knots becoming west after
midnight. Chance of showers and slight chance of thunderstorms
through the night. Waves 1 foot or less.

$$

LSZ121-161600-
Chequamegon Bay-Bayfield to Oak Point WI-
602 AM CDT Sun Aug 16 2026

.TODAY...West wind 5 to 10 knots with gusts to around 20 knots
becoming northwest with gusts to around 20 knots in the
afternoon. Mostly sunny. Waves 1 foot or less.
.TONIGHT...Northwest wind 5 knots becoming west early in the
morning. Mostly clear. Waves 1 foot or less.
.MONDAY...West wind 5 to 10 knots. Patchy fog in the morning.
Waves 1 foot or less.
.MONDAY NIGHT...Southwest wind 5 knots becoming west early in the
morning. Chance of showers and slight chance of thunderstorms
through the night. Waves 1 foot or less.

$$

LSZ148-161600-
Oak Point to Saxon Harbor WI-
602 AM CDT Sun Aug 16 2026

.TODAY...West wind 5 to 10 knots with gusts to around 20 knots
becoming northwest with gusts to around 20 knots in the
afternoon. Chance of sprinkles early in the morning. Waves 1 foot
or less.
.TONIGHT...West wind 5 knots. Mostly clear. Waves 1 foot or less.
.MONDAY...Southwest wind 5 knots. Mostly sunny. Waves 1 foot or
less.
.MONDAY NIGHT...Southwest wind 5 knots becoming west after
midnight. Chance of showers and slight chance of thunderstorms
through the night. Waves 1 foot or less.

$$

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

WFO DLH