493
FZUS53 KDLH 020713
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
213 AM CDT Thu Oct 2 2025

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.

LSZ140-021615-
Grand Portage to Grand Marais MN-
213 AM CDT Thu Oct 2 2025

.TODAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots
until late afternoon. Chance of rain showers in the afternoon.
Slight chance of thunderstorms late in the afternoon. Waves 1 to
3 feet.
.TONIGHT...Southwest wind 5 to 10 knots. Chance of showers and
thunderstorms in the evening, then slight chance of showers and
thunderstorms after midnight. Patchy fog after midnight. Waves
1 to 2 feet.
.FRIDAY...Northwest wind 5 knots becoming east in the afternoon.
Mostly sunny. Waves 1 foot or less.
.FRIDAY NIGHT...East wind 5 to 10 knots becoming southeast early
in the morning. Mostly cloudy. Waves 1 to 2 feet.

$$

LSZ141-021615-
Grand Marais to Taconite Harbor MN-
213 AM CDT Thu Oct 2 2025

.TODAY...Southeast wind 5 knots becoming south in the afternoon.
Slight chance of rain showers early in the afternoon. Chance of
rain showers and slight chance of thunderstorms late in the
afternoon. Waves 1 to 2 feet.
.TONIGHT...South wind 5 knots becoming west in the late evening
and overnight. Chance of showers and thunderstorms in the
evening, then slight chance of showers and thunderstorms after
midnight. Patchy fog after midnight. Waves 1 foot or less.
.FRIDAY...North wind 5 knots becoming east in the afternoon.
Mostly sunny. Waves 1 foot or less.
.FRIDAY NIGHT...East wind 5 knots. Mostly cloudy. Waves 1 foot or
less.

$$

LSZ142-021615-
Taconite Harbor to Silver Bay Harbor MN-
213 AM CDT Thu Oct 2 2025

.TODAY...South wind 5 knots. Slight chance of rain showers early
in the afternoon. Chance of rain showers and slight chance of
thunderstorms late in the afternoon. Waves 1 foot or less.
.TONIGHT...East wind 5 knots becoming west in the late evening
and overnight. Chance of showers and thunderstorms in the
evening, then slight chance of showers and thunderstorms after
midnight. Patchy fog after midnight. Waves 1 foot or less.
.FRIDAY...North wind 5 knots becoming east in the late morning
and afternoon. Mostly sunny. Waves 1 foot or less.
.FRIDAY NIGHT...Northeast wind 5 knots. Mostly cloudy. Waves
1 foot or less.

$$

LSZ143-021615-
Silver Bay Harbor to Two Harbors MN-
213 AM CDT Thu Oct 2 2025

.TODAY...South wind 5 knots. Slight chance of rain showers early
in the afternoon. Chance of rain showers and slight chance of
thunderstorms late in the afternoon. Waves 1 foot or less.
.TONIGHT...East wind 5 knots becoming northwest late in the
evening, then becoming southwest after midnight becoming west
early in the morning. Chance of showers and thunderstorms in the
evening, then slight chance of showers and thunderstorms after
midnight. Patchy fog after midnight. Waves 1 foot or less.
.FRIDAY...North wind 5 knots becoming northeast in the late
morning and afternoon. Partly sunny. Waves 1 foot or less.
.FRIDAY NIGHT...Northeast wind 5 to 10 knots. Mostly cloudy.
Waves 1 foot or less.

$$

LSZ144-021615-
Two Harbors to Duluth MN-
213 AM CDT Thu Oct 2 2025

.TODAY...South wind 5 to 10 knots. Slight chance of rain showers
early in the afternoon. Chance of rain showers and slight chance
of thunderstorms late in the afternoon. Waves 1 foot or less.
.TONIGHT...Southeast wind 5 knots becoming northeast late in the
evening, then becoming south after midnight becoming northwest
early in the morning. Chance of showers and thunderstorms in the
evening, then slight chance of showers and thunderstorms after
midnight. Patchy fog after midnight. Waves 1 foot or less.
.FRIDAY...Northeast wind 5 knots becoming east in the afternoon.
Partly sunny. Waves 1 foot or less.
.FRIDAY NIGHT...East wind 5 to 10 knots becoming southeast early
in the morning. Partly cloudy in the evening then becoming mostly
cloudy. Waves 1 foot or less.

$$

LSZ145-021615-
Duluth MN to Port Wing WI-
213 AM CDT Thu Oct 2 2025

.TODAY...South wind 5 to 10 knots. Slight chance of rain showers
in the afternoon. Slight chance of thunderstorms late in the
afternoon. Waves 1 foot or less.
.TONIGHT...South wind 5 to 10 knots becoming northeast late in
the evening, then becoming southeast after midnight becoming
southwest early in the morning. Chance of showers and
thunderstorms in the evening, then slight chance of showers and
thunderstorms after midnight. Patchy fog after midnight. Waves
1 foot or less.
.FRIDAY...Southeast wind 5 knots becoming northeast in the late
morning and afternoon. Patchy fog in the morning. Waves 1 foot or
less.
.FRIDAY NIGHT...East wind 5 to 10 knots becoming southeast early
in the morning. Mostly cloudy. Waves 1 foot or less.

$$

LSZ146-021615-
Port Wing to Sand Island WI-
213 AM CDT Thu Oct 2 2025

.TODAY...South wind 5 knots. Slight chance of rain showers early
in the afternoon. Chance of rain showers and slight chance of
thunderstorms late in the afternoon. Waves 1 foot or less.
.TONIGHT...South wind 5 knots becoming west late in the evening,
then becoming south after midnight. Chance of showers and
thunderstorms in the evening, then slight chance of showers and
thunderstorms after midnight. Patchy fog after midnight. Waves
1 foot or less.
.FRIDAY...South wind 5 knots becoming northeast in the late
morning and afternoon. Partly sunny. Waves 1 foot or less.
.FRIDAY NIGHT...East wind 5 to 10 knots becoming southeast early
in the morning. Mostly cloudy. Waves 1 foot or less.

$$

LSZ147-021615-
Sand Island to Bayfield WI-
213 AM CDT Thu Oct 2 2025

.TODAY...South wind 5 to 10 knots. Gusts up to 20 knots late in
the morning. Slight chance of showers early in the afternoon.
Chance of showers and slight chance of thunderstorms late in the
afternoon. Waves 1 foot or less.
.TONIGHT...Southwest wind 5 to 10 knots. Chance of showers and
thunderstorms in the evening, then slight chance of showers and
thunderstorms after midnight. Waves 1 foot or less.
.FRIDAY...Southwest wind 5 knots becoming east in the late
morning and afternoon. Mostly sunny. Waves 1 foot or less.
.FRIDAY NIGHT...East wind 5 knots becoming southeast after
midnight. Partly cloudy in the evening then becoming mostly
cloudy. Waves 1 foot or less.

$$

LSZ150-021615-
Outer Apostle Islands Beyond 5 NM from Mainland-
213 AM CDT Thu Oct 2 2025

.TODAY...South wind 10 to 15 knots. Gusts up to 20 knots early in
the morning. Slight chance of showers early in the afternoon.
Chance of showers and slight chance of thunderstorms late in the
afternoon. Waves 1 to 2 feet.
.TONIGHT...Southwest wind 5 to 10 knots. Chance of showers and
thunderstorms in the evening, then slight chance of showers and
thunderstorms after midnight. Waves 1 to 2 feet.
.FRIDAY...Southwest wind 5 knots becoming south late in the
morning, then becoming northeast in the afternoon. Patchy fog in
the morning. Waves 1 foot or less.
.FRIDAY NIGHT...East wind 5 to 10 knots becoming south after
midnight. Mostly cloudy. Waves 1 foot or less.

$$

LSZ121-021615-
Chequamegon Bay-Bayfield to Oak Point WI-
213 AM CDT Thu Oct 2 2025

.TODAY...South wind 5 to 10 knots. Gusts up to 20 knots late in
the morning. Slight chance of showers in the afternoon. Slight
chance of thunderstorms late in the afternoon. Waves 1 foot or
less.
.TONIGHT...Southwest wind 5 to 10 knots. Chance of showers and
thunderstorms through the night. Waves 1 foot or less.
.FRIDAY...Southwest wind 5 knots becoming east in the afternoon.
Mostly sunny. Waves 1 foot or less.
.FRIDAY NIGHT...East wind 5 knots becoming south after midnight.
Partly cloudy. Waves 1 foot or less.

$$

LSZ148-021615-
Oak Point to Saxon Harbor WI-
213 AM CDT Thu Oct 2 2025

.TODAY...South wind 10 to 15 knots with gusts to around 20 knots
becoming southwest 5 to 10 knots with gusts to around 20 knots in
the late morning and afternoon. Slight chance of showers in the
afternoon. Slight chance of thunderstorms late in the afternoon.
Waves 1 foot or less.
.TONIGHT...Southwest wind 5 to 10 knots. Gusts up to 20 knots
late in the evening. Chance of showers and thunderstorms through
the night. Waves 1 foot or less.
.FRIDAY...Southwest wind 5 knots becoming northeast in the
afternoon. Mostly sunny. Waves 1 foot or less.
.FRIDAY NIGHT...East wind 5 to 10 knots becoming south with gusts
to around 20 knots early in the morning. Partly cloudy. Waves
1 foot or less.

$$

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

Wolfe