724
FZUS53 KDLH 181848
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
1247 PM CST Tue Nov 18 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.

LSZ140-182300-
Grand Portage to Grand Marais MN-
1247 PM CST Tue Nov 18 2025

.REST OF TODAY...Southeast wind 5 knots becoming southwest late.
Sunny. Waves 1 foot or less.
.TONIGHT...West wind 5 to 10 knots. Partly cloudy. Waves 1 foot
or less.
.WEDNESDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots
in the afternoon. Chance of rain in the afternoon. Waves 1 to
3 feet.
.WEDNESDAY NIGHT...Southwest wind 10 to 15 knots with gusts to
around 25 knots. Chance of rain in the evening, then rain likely
after midnight. Waves 1 to 3 feet.

$$

LSZ141-182300-
Grand Marais to Taconite Harbor MN-
1247 PM CST Tue Nov 18 2025

.REST OF TODAY...South wind 5 knots. Sunny. Waves 1 foot or less.
.TONIGHT...West wind 5 knots. Partly cloudy. Waves 1 foot or
less.
.WEDNESDAY...Southwest wind 5 to 10 knots. Chance of rain in the
afternoon. Waves 1 foot or less.
.WEDNESDAY NIGHT...Southwest wind 5 to 10 knots with gusts to
around 20 knots. Chance of rain in the evening, then rain likely
after midnight. Waves 1 to 2 feet.

$$

LSZ142-182300-
Taconite Harbor to Silver Bay Harbor MN-
1247 PM CST Tue Nov 18 2025

.REST OF TODAY...Southeast wind 5 knots. Sunny. Waves 1 foot or
less.
.TONIGHT...Southwest wind 5 knots. Mostly clear. Waves 1 foot or
less.
.WEDNESDAY...Southwest wind 5 to 10 knots. Chance of rain in the
afternoon. Waves 1 foot or less.
.WEDNESDAY NIGHT...Southwest wind 5 to 10 knots. Gusts up to
20 knots in the late evening and early morning. Chance of rain in
the evening, then rain likely after midnight. Waves 1 foot or
less.

$$

LSZ143-182300-
Silver Bay Harbor to Two Harbors MN-
1247 PM CST Tue Nov 18 2025

.REST OF TODAY...East wind 5 knots. Sunny. Waves 1 foot or less.
.TONIGHT...Southeast wind 5 knots becoming southwest in the late
evening and overnight. Partly cloudy. Waves 1 foot or less.
.WEDNESDAY...Southwest wind 5 to 10 knots. Slight chance of rain
in the afternoon. Waves 1 foot or less.
.WEDNESDAY NIGHT...Southwest wind 5 to 10 knots. Gusts up to
20 knots in the late evening and early morning. Chance of rain in
the evening, then rain likely after midnight. Waves 1 foot or
less.

$$

LSZ144-182300-
Two Harbors to Duluth MN-
1247 PM CST Tue Nov 18 2025

.REST OF TODAY...East wind 5 knots. Sunny. Waves 1 foot or less.
.TONIGHT...East wind 5 knots becoming southwest in the late
evening and early morning, then becoming southwest 5 knots early
in the morning. Partly cloudy. Waves 1 foot or less.
.WEDNESDAY...Southwest wind 5 to 10 knots. Mostly cloudy. Waves
1 foot or less.
.WEDNESDAY NIGHT...Southwest wind 5 to 10 knots. Chance of rain.
Waves 1 foot or less.

$$

LSZ145-182300-
Duluth MN to Port Wing WI-
1247 PM CST Tue Nov 18 2025

.REST OF TODAY...Northeast wind 5 to 10 knots. Sunny. Waves
1 foot or less.
.TONIGHT...East wind 5 knots becoming southwest early in the
morning. Mostly clear. Waves 1 foot or less.
.WEDNESDAY...Southwest wind 5 to 10 knots. Mostly cloudy. Waves
1 foot or less.
.WEDNESDAY NIGHT...Southwest wind 5 to 10 knots. Gusts up to
20 knots after midnight. Chance of rain. Waves 1 foot or less.

$$

LSZ146-182300-
Port Wing to Sand Island WI-
1247 PM CST Tue Nov 18 2025

.REST OF TODAY...East wind 5 knots. Sunny. Waves 1 foot or less.
.TONIGHT...Southeast wind 5 knots becoming southwest in the late
evening and overnight. Mostly clear. Waves 1 foot or less.
.WEDNESDAY...Southwest wind 5 to 10 knots. Mostly cloudy. Waves
1 foot or less.
.WEDNESDAY NIGHT...Southwest wind 5 to 10 knots. Gusts up to
20 knots in the late evening and overnight. Chance of rain in the
evening, then rain likely after midnight. Waves 1 foot or less.

$$

LSZ147-182300-
Sand Island to Bayfield WI-
1247 PM CST Tue Nov 18 2025

.REST OF TODAY...North wind 5 knots becoming east late. Sunny.
Waves 1 foot or less.
.TONIGHT...Southeast wind 5 knots becoming southwest in the late
evening and overnight. Mostly clear. Waves 1 foot or less.
.WEDNESDAY...Southwest wind 5 to 10 knots. Mostly cloudy. Waves
1 foot or less.
.WEDNESDAY NIGHT...Southwest wind 5 to 10 knots with gusts to
around 20 knots. Chance of rain in the evening, then rain likely
after midnight. Waves 1 foot or less.

$$

LSZ150-182300-
Outer Apostle Islands Beyond 5 NM from Mainland-
1247 PM CST Tue Nov 18 2025

.REST OF TODAY...Northwest wind 5 knots becoming northeast late.
Sunny. Waves 1 foot or less.
.TONIGHT...Southeast wind 5 knots becoming southwest in the late
evening and overnight. Mostly clear. Waves 1 foot or less.
.WEDNESDAY...Southwest wind 10 to 15 knots. Mostly cloudy. Waves
1 foot or less.
.WEDNESDAY NIGHT...Southwest wind 10 to 15 knots with gusts to
around 20 knots. Chance of rain in the evening, then rain likely
after midnight. Waves 1 to 2 feet.

$$

LSZ121-182300-
Chequamegon Bay-Bayfield to Oak Point WI-
1247 PM CST Tue Nov 18 2025

.REST OF TODAY...North wind 5 knots becoming northeast late.
Sunny. Waves 1 foot or less.
.TONIGHT...Southeast wind 5 knots becoming southwest in the late
evening and overnight. Mostly clear. Waves 1 foot or less.
.WEDNESDAY...Southwest wind 5 to 10 knots. Mostly cloudy. Waves
1 foot or less.
.WEDNESDAY NIGHT...Southwest wind 5 to 10 knots. Chance of rain
in the evening, then rain likely after midnight. Waves 1 foot or
less.

$$

LSZ148-182300-
Oak Point to Saxon Harbor WI-
1247 PM CST Tue Nov 18 2025

.REST OF TODAY...North wind 5 knots becoming northeast late.
Sunny. Waves 1 to 2 feet.
.TONIGHT...East wind 5 knots becoming southwest in the late
evening and overnight. Mostly clear. Waves 1 foot or less.
.WEDNESDAY...Southwest wind 5 to 10 knots. Partly sunny. Waves
1 foot or less.
.WEDNESDAY NIGHT...Southwest wind 5 to 10 knots. Gusts up to
20 knots in the late evening and overnight. Chance of rain in the
evening, then rain likely after midnight. Waves 1 foot or less.

$$

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

WFO DLH