744
FZUS53 KDLH 170805
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
305 AM CDT Fri May 17 2024

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.

LSZ140-141-171615-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
305 AM CDT Fri May 17 2024

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING...

.TODAY...Southwest wind 5 knots becoming east late in the
afternoon. Patchy dense fog in the morning. Chance of rain
showers in the afternoon. Waves 1 foot or less.
.TONIGHT...Northeast wind 10 to 15 knots. Chance of rain showers
and slight chance of thunderstorms in the evening. Waves 1 to
2 feet.
.SATURDAY...East wind 5 to 10 knots becoming southeast late in
the afternoon. Patchy fog in the morning. Chance of rain showers
and slight chance of thunderstorms through the day. Waves 1 to
3 feet.
.SATURDAY NIGHT...West wind 10 to 15 knots. Gusts up to 20 knots
in the evening. Mostly clear. Waves 1 to 3 feet.

$$

LSZ142-143-171615-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
305 AM CDT Fri May 17 2024

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING...

.TODAY...Southwest wind 5 knots becoming east late in the
morning, then becoming northeast 15 to 20 knots in the afternoon.
Patchy dense fog in the morning. Slight chance of rain showers
early in the morning. Chance of rain showers in the late morning
and afternoon. Slight chance of thunderstorms in the afternoon.
Waves 1 to 2 feet building to 1 to 3 feet late in the afternoon.
.TONIGHT...Northeast wind 15 to 20 knots easing to 5 to 10 knots
early in the morning. Slight chance of thunderstorms in the
evening. Chance of rain showers through the night. Chance of
thunderstorms after midnight. Patchy fog after midnight. Waves
1 to 3 feet.
.SATURDAY...Northeast wind 10 to 15 knots with gusts to around
20 knots becoming southwest with gusts to around 20 knots late in
the afternoon. Patchy fog in the morning. Chance of rain showers
and slight chance of thunderstorms through the day. Waves 1 to
3 feet.
.SATURDAY NIGHT...West wind 10 to 15 knots. Gusts up to 20 knots
in the evening. Mostly clear. Waves 1 to 3 feet.

$$

LSZ144-171615-
Two Harbors to Duluth MN-
305 AM CDT Fri May 17 2024

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING...

.TODAY...Southeast wind 5 knots becoming northeast 15 to 20 knots
in the late morning and afternoon. Patchy dense fog in the
morning. Chance of rain showers through the day. Slight chance of
thunderstorms in the afternoon. Waves 1 to 2 feet building to
1 to 3 feet late in the afternoon.
.TONIGHT...Northeast wind 15 to 20 knots easing to 5 to 10 knots
early in the morning. Slight chance of thunderstorms in the
evening. Chance of rain showers through the night. Chance of
thunderstorms after midnight. Patchy fog after midnight. Waves
2 to 4 feet subsiding to 1 to 3 feet early in the morning.
.SATURDAY...East wind 10 to 15 knots with gusts to around
20 knots becoming south with gusts to around 25 knots early in
the afternoon, then becoming southwest with gusts to around
25 knots late in the afternoon. Patchy fog in the morning. Chance
of thunderstorms in the morning. Chance of rain showers through
the day. Slight chance of thunderstorms in the afternoon. Waves
1 to 3 feet.
.SATURDAY NIGHT...West wind 15 to 20 knots with gusts to around
25 knots becoming southwest 5 to 10 knots after midnight. Clear.
Waves 1 to 3 feet.

$$

LSZ145-171615-
Duluth MN to Port Wing WI-
305 AM CDT Fri May 17 2024

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING...

.TODAY...East wind 5 knots becoming northeast 10 to 15 knots with
gusts to around 20 knots in the late morning and afternoon.
Patchy dense fog in the morning. Chance of rain showers through
the day. Slight chance of thunderstorms early in the afternoon,
then chance of thunderstorms late in the afternoon. Waves 1 to
2 feet building to 1 to 3 feet late in the afternoon.
.TONIGHT...Northeast wind 15 to 20 knots easing to 5 to 10 knots
early in the morning. Patchy fog through the night. Chance of
showers and thunderstorms in the evening. Slight chance of
showers and thunderstorms after midnight. Waves 2 to 4 feet
subsiding to 1 to 3 feet early in the morning.
.SATURDAY...East wind 10 to 15 knots with gusts to around
20 knots becoming south with gusts to around 25 knots early in
the afternoon, then becoming southwest with gusts to around
25 knots late in the afternoon. Patchy fog in the morning. Chance
of rain showers and slight chance of thunderstorms through the
day. Waves 1 to 3 feet.
.SATURDAY NIGHT...Southwest wind 15 to 20 knots easing to 5 to
10 knots early in the morning. Clear. Waves 1 to 3 feet subsiding
to 1 to 2 feet after midnight.

$$

LSZ146-171615-
Port Wing to Sand Island WI-
305 AM CDT Fri May 17 2024

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING...

.TODAY...South wind 5 knots becoming northeast 10 to 15 knots
with gusts to around 20 knots in the late morning and afternoon.
Patchy dense fog in the morning. Slight chance of rain showers
late in the morning. Chance of rain showers and slight chance of
thunderstorms in the afternoon. Waves 1 to 2 feet building to
1 to 3 feet late in the afternoon.
.TONIGHT...Northeast wind 15 to 20 knots easing to 5 to 10 knots
early in the morning. Chance of rain showers and slight chance of
thunderstorms in the evening. Waves 1 to 3 feet.
.SATURDAY...East wind 5 to 10 knots becoming west 10 to 15 knots
with gusts to around 20 knots in the afternoon. Chance of rain
showers and slight chance of thunderstorms. Waves 1 to 3 feet.
.SATURDAY NIGHT...Southwest wind 10 to 15 knots easing to
10 knots early in the morning. Gusts up to 20 knots in the
evening. Mostly clear. Waves 1 to 3 feet.

$$

LSZ147-171615-
Sand Island to Bayfield WI-
305 AM CDT Fri May 17 2024

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING...

.TODAY...Southwest wind 5 knots becoming east 10 to 15 knots in
the late morning and afternoon. Patchy dense fog in the morning.
Slight chance of rain showers late in the morning. Chance of rain
showers and slight chance of thunderstorms in the afternoon.
Waves 1 to 2 feet.
.TONIGHT...Northeast wind 10 to 15 knots. Chance of showers and
thunderstorms in the evening. Waves 1 to 2 feet.
.SATURDAY...Southeast wind 5 to 10 knots becoming southwest 10 to
15 knots with gusts to around 20 knots in the afternoon. Slight
chance of rain showers in the morning. Slight chance of
thunderstorms through the day. Chance of rain showers in the
afternoon. Waves 1 to 2 feet.
.SATURDAY NIGHT...Southwest wind 10 to 15 knots. Gusts up to
20 knots in the evening. Mostly clear. Waves 1 to 3 feet.

$$

LSZ150-171615-
Outer Apostle Islands Beyond 5 NM from Mainland-
305 AM CDT Fri May 17 2024

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING...

.TODAY...Southwest wind 5 knots becoming east 10 to 15 knots in
the late morning and afternoon. Patchy dense fog in the morning.
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...East wind 10 to 15 knots. Chance of rain showers and
slight chance of thunderstorms in the evening. Waves 1 to 3 feet.
.SATURDAY...Southeast wind 10 to 15 knots with gusts to around
20 knots becoming southwest with gusts to around 20 knots late in
the afternoon. Slight chance of rain showers in the morning.
Slight chance of thunderstorms through the day. Chance of rain
showers in the afternoon. Waves 1 to 3 feet.
.SATURDAY NIGHT...West wind 10 to 15 knots with gusts to around
20 knots becoming southwest early in the morning. Mostly clear.
Waves 1 to 3 feet.

$$

LSZ121-171615-
Chequamegon Bay-Bayfield to Oak Point WI-
305 AM CDT Fri May 17 2024

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING...

.TODAY...Variable winds 10 knots or less becoming southeast
5 knots late in the morning, then becoming northeast 10 to
15 knots in the afternoon. Slight chance of thunderstorms early
in the afternoon. Chance of rain showers in the afternoon. Chance
of thunderstorms late in the afternoon. Waves 1 to 2 feet.
.TONIGHT...Northeast wind 5 to 10 knots becoming southeast early
in the morning. Chance of showers and thunderstorms in the
evening. Waves 1 to 2 feet.
.SATURDAY...South wind 10 to 15 knots with gusts to around
25 knots becoming southwest with gusts to around 25 knots late in
the afternoon. Slight chance of rain showers in the morning.
Slight chance of thunderstorms through the day. Chance of rain
showers in the afternoon. Waves 1 to 2 feet.
.SATURDAY NIGHT...West wind 10 to 15 knots. Gusts up to 20 knots
early in the evening. Mostly clear. Waves 1 foot or less.

$$

LSZ148-171615-
Oak Point to Saxon Harbor WI-
305 AM CDT Fri May 17 2024

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING...

.TODAY...South wind 5 knots becoming east 10 to 15 knots in the
late morning and afternoon. Slight chance of thunderstorms early
in the afternoon. Chance of rain showers in the afternoon. Chance
of thunderstorms late in the afternoon. Waves 1 to 2 feet.
.TONIGHT...Northeast wind 5 to 10 knots becoming south early in
the morning. Chance of showers and thunderstorms in the evening.
Waves 1 to 2 feet.
.SATURDAY...South wind 10 to 15 knots with gusts to around
20 knots becoming southwest with gusts to around 20 knots late in
the afternoon. Slight chance of rain showers in the morning.
Slight chance of thunderstorms through the day. Chance of rain
showers in the afternoon. Waves 1 to 2 feet.
.SATURDAY NIGHT...Southwest wind 10 to 15 knots. Gusts up to
20 knots early in the evening. Mostly clear. Waves 1 to 2 feet.

$$

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

NLy