999
FZUS53 KDLH 132049
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
349 PM CDT Sun Jul 13 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.

LSZ140-141-140415-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
349 PM CDT Sun Jul 13 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM CDT THIS EVENING...

.TONIGHT...Southwest wind 15 to 20 knots with gusts to around
25 knots becoming west 5 to 10 knots after midnight. Slight
chance of showers and thunderstorms early in the evening. Areas
of smoke. Waves 3 to 5 feet subsiding to 1 to 2 feet. Waves
occasionally to 7 feet.
.MONDAY...Southwest wind 5 to 10 knots. Areas of smoke. Waves
1 to 2 feet.
.MONDAY NIGHT...North wind 5 to 10 knots becoming east in the
late evening and overnight. Areas of smoke through the night.
Slight chance of showers and thunderstorms in the evening. Chance
of showers and thunderstorms after midnight. Waves 1 foot or
less.
.TUESDAY...East wind 5 to 10 knots becoming south late in the
morning, then becoming west early in the afternoon becoming
northwest late in the afternoon. Areas of smoke in the morning.
Chance of rain showers in the morning. Chance of thunderstorms
through the day. Rain showers in the afternoon. Waves 1 foot or
less.

$$

LSZ142-143-140415-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
349 PM CDT Sun Jul 13 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM CDT THIS EVENING...

.TONIGHT...Southwest wind 10 to 15 knots with gusts to around
25 knots becoming west 5 knots late in the night. Slight chance
of showers and thunderstorms early in the evening. Areas of smoke
after midnight. Waves 1 to 3 feet.
.MONDAY...Southwest wind 5 knots becoming south in the afternoon.
Areas of smoke. Waves 1 foot or less.
.MONDAY NIGHT...Northeast wind 5 knots. Areas of smoke through
the night. Slight chance of showers and thunderstorms in the
evening. Chance of showers and thunderstorms after midnight.
Waves 1 foot or less.
.TUESDAY...Northeast wind 5 knots becoming north late in the
morning, then becoming south early in the afternoon becoming
north late in the afternoon. Areas of smoke in the morning.
Chance of showers and thunderstorms through the day. Waves 1 foot
or less.

$$

LSZ144-145-140415-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
349 PM CDT Sun Jul 13 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM CDT THIS EVENING...

.TONIGHT...Southwest wind 10 to 15 knots with gusts to around
25 knots becoming west 5 knots late in the night. Slight chance
of showers and thunderstorms in the evening. Areas of smoke after
midnight. Waves 1 to 3 feet.
.MONDAY...Southwest wind 5 knots becoming south in the afternoon.
Areas of smoke. Waves 1 foot or less.
.MONDAY NIGHT...Southeast wind 5 knots becoming east in the late
evening and overnight. Areas of smoke through the night. Slight
chance of showers and thunderstorms in the evening. Chance of
showers and thunderstorms after midnight. Waves 1 foot or less.
.TUESDAY...East wind 5 to 10 knots becoming west late in the
morning, then becoming north in the afternoon. Chance of showers
in the morning. Chance of thunderstorms through the day. Showers
likely in the afternoon. Waves 1 foot or less.

$$

LSZ146-140415-
Port Wing to Sand Island WI-
349 PM CDT Sun Jul 13 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM CDT THIS EVENING...

.TONIGHT...Southwest wind 10 to 15 knots with gusts to around
25 knots easing to 5 knots late in the night. Slight chance of
showers and thunderstorms in the evening. Areas of smoke late in
the night. Waves 1 to 3 feet.
.MONDAY...Southwest wind 5 knots becoming south late in the
afternoon. Areas of smoke. Waves 1 foot or less.
.MONDAY NIGHT...East wind 5 knots. Areas of smoke through the
night. Slight chance of showers and thunderstorms in the evening.
Chance of showers and thunderstorms after midnight. Waves 1 foot
or less.
.TUESDAY...East wind 5 knots becoming north late in the morning,
then becoming northeast in the afternoon. Chance of showers in
the morning. Chance of thunderstorms through the day. Showers
likely in the afternoon. Waves 1 foot or less.

$$

LSZ147-140415-
Sand Island to Bayfield WI-
349 PM CDT Sun Jul 13 2025

.TONIGHT...Southwest wind 5 to 10 knots. Gusts up to 20 knots in
the evening. Slight chance of showers and thunderstorms in the
evening. Areas of smoke late in the night. Waves 1 to 2 feet.
.MONDAY...West wind 5 knots becoming southeast late in the
afternoon. Areas of smoke. Waves 1 foot or less.
.MONDAY NIGHT...Southeast wind 5 knots. Areas of smoke through
the night. Slight chance of showers in the evening. Chance of
showers and thunderstorms after midnight. Waves 1 foot or less.
.TUESDAY...South wind 5 knots becoming northwest in the late
morning and afternoon. Chance of showers in the morning. Chance
of thunderstorms through the day. Showers likely in the
afternoon. Waves 1 foot or less.

$$

LSZ150-140415-
Outer Apostle Islands Beyond 5 NM from Mainland-
349 PM CDT Sun Jul 13 2025

.TONIGHT...Southwest wind 10 to 15 knots with gusts to around
20 knots becoming west 5 to 10 knots late in the night. Slight
chance of showers and thunderstorms in the evening. Areas of
smoke. Waves 1 to 2 feet.
.MONDAY...West wind 5 knots becoming south in the afternoon.
Areas of smoke. Waves 1 foot or less.
.MONDAY NIGHT...Southeast wind 5 knots. Areas of smoke through
the night. Slight chance of showers in the evening. Chance of
showers and thunderstorms after midnight. Waves 1 foot or less.
.TUESDAY...South wind 5 to 10 knots becoming northwest in the
late morning and afternoon. Chance of showers in the morning.
Chance of thunderstorms through the day. Showers likely in the
afternoon. Waves 1 foot or less.

$$

LSZ121-140415-
Chequamegon Bay-Bayfield to Oak Point WI-
349 PM CDT Sun Jul 13 2025

.TONIGHT...Southwest wind 10 to 15 knots with gusts to around
20 knots easing to 5 to 10 knots in the late evening and
overnight. Slight chance of showers and thunderstorms in the
evening. Areas of smoke. Waves 1 foot or less.
.MONDAY...Southwest wind 5 knots becoming southeast in the
afternoon. Areas of smoke. Waves 1 foot or less.
.MONDAY NIGHT...Southeast wind 5 knots becoming south early in
the morning. Areas of smoke through the night. Slight chance of
showers and thunderstorms after midnight. Waves 1 foot or less.
.TUESDAY...Southwest wind 5 to 10 knots becoming northwest late
in the afternoon. Chance of showers and slight chance of
thunderstorms in the morning, then showers likely and chance of
thunderstorms in the afternoon. Waves 1 foot or less.

$$

LSZ148-140415-
Oak Point to Saxon Harbor WI-
349 PM CDT Sun Jul 13 2025

.TONIGHT...Southwest wind 10 to 15 knots with gusts to around
20 knots easing to 5 to 10 knots in the late evening and
overnight. Slight chance of showers and thunderstorms in the
evening. Areas of smoke. Waves 1 to 2 feet.
.MONDAY...Southwest wind 5 knots becoming southeast in the
afternoon. Areas of smoke. Waves 1 foot or less.
.MONDAY NIGHT...Southeast wind 5 knots becoming south after
midnight. Areas of smoke through the night. Slight chance of
showers and thunderstorms after midnight. Waves 1 foot or less.
.TUESDAY...Southwest wind 5 to 10 knots becoming northwest late
in the afternoon. Slight chance of showers and thunderstorms in
the morning, then showers likely and chance of thunderstorms in
the afternoon. Waves 1 foot or less.

$$

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

HA