825
FZUS53 KDLH 192211
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
511 PM CDT Thu Sep 19 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.

LSZ140-141-200415-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
511 PM CDT Thu Sep 19 2024

...TORNADO WATCH 678 IN EFFECT UNTIL 11 PM CDT THIS EVENING...

.TONIGHT...East wind 10 to 15 knots becoming south with gusts to
around 20 knots in the late evening and overnight. Showers likely
in the evening. Chance of thunderstorms through the night. Chance
of showers after midnight. Waves 1 to 2 feet building to 1 to
3 feet in the late evening and overnight.
.FRIDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots in
the late morning and afternoon. Mostly sunny. Waves 1 to 3 feet.
.FRIDAY NIGHT...West wind 10 to 15 knots with gusts to around
20 knots becoming northwest 5 knots after midnight. Mostly clear.
Waves 1 to 3 feet.
.SATURDAY...North wind 5 knots becoming southeast in the late
morning and early afternoon, then becoming south late in the
afternoon. Slight chance of rain showers in the afternoon. Waves
1 foot or less.

$$

LSZ142-143-200415-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
511 PM CDT Thu Sep 19 2024

...TORNADO WATCH 678 IN EFFECT UNTIL 11 PM CDT THIS EVENING...

.TONIGHT...Northeast wind 10 to 15 knots becoming southwest 5 to
10 knots in the late evening and overnight. Showers and
thunderstorms likely early in the evening, then chance of showers
and thunderstorms in the late evening and early morning. Waves
1 to 2 feet.
.FRIDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots in
the late morning and afternoon. Mostly sunny. Waves 1 to 2 feet.
.FRIDAY NIGHT...West wind 5 to 10 knots. Mostly clear. Waves 1 to
2 feet.
.SATURDAY...North wind 5 knots becoming southeast in the late
morning and early afternoon, then becoming southwest late in the
afternoon. Slight chance of rain showers in the afternoon. Waves
1 foot or less.

$$

LSZ144-145-200415-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
511 PM CDT Thu Sep 19 2024

...TORNADO WATCH 678 IN EFFECT UNTIL 11 PM CDT THIS EVENING...

.TONIGHT...Southeast wind 10 to 15 knots with gusts to around
20 knots becoming southwest in the late evening and overnight.
Showers with thunderstorms likely early in the evening, then
chance of showers and slight chance of thunderstorms late in the
evening. Waves 1 to 2 feet.
.FRIDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots in
the late morning and afternoon. Sunny. Waves 1 to 2 feet.
.FRIDAY NIGHT...Southwest wind 5 to 10 knots. Mostly clear. Waves
1 to 2 feet.
.SATURDAY...Southeast wind 5 to 10 knots becoming west late in
the afternoon. Slight chance of rain showers through the day.
Slight chance of thunderstorms in the afternoon. Waves 1 foot or
less.

$$

LSZ146-200415-
Port Wing to Sand Island WI-
511 PM CDT Thu Sep 19 2024

...TORNADO WATCH 678 IN EFFECT UNTIL 11 PM CDT THIS EVENING...

.TONIGHT...South wind 5 to 10 knots becoming southwest late in
the night. Showers and thunderstorms likely in the evening, then
slight chance of showers and thunderstorms after midnight. Waves
1 foot or less.
.FRIDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots in
the late morning and afternoon. Sunny. Waves 1 to 3 feet.
.FRIDAY NIGHT...Southwest wind 5 to 10 knots. Mostly clear. Waves
1 to 2 feet.
.SATURDAY...South wind 5 to 10 knots becoming west late in the
afternoon. Slight chance of showers and thunderstorms in the
afternoon. Waves 1 foot or less.

$$

LSZ147-200415-
Sand Island to Bayfield WI-
511 PM CDT Thu Sep 19 2024

...TORNADO WATCH 678 IN EFFECT UNTIL 11 PM CDT THIS EVENING...

.TONIGHT...South wind 5 to 10 knots becoming southwest late in
the night. Showers likely in the evening. Chance of thunderstorms
through the night. Chance of showers after midnight. Waves 1 foot
or less.
.FRIDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots in
the late morning and afternoon. Sunny. Waves 1 to 3 feet.
.FRIDAY NIGHT...Southwest wind 5 to 10 knots. Clear. Waves 1 to
2 feet.
.SATURDAY...South wind 5 to 10 knots becoming southwest late in
the afternoon. Slight chance of rain showers in the afternoon.
Waves 1 foot or less.

$$

LSZ150-200415-
Outer Apostle Islands Beyond 5 NM from Mainland-
511 PM CDT Thu Sep 19 2024

...TORNADO WATCH 678 IN EFFECT UNTIL 11 PM CDT THIS EVENING...

.TONIGHT...South wind 10 to 15 knots becoming southwest 5 to
10 knots after midnight. Gusts up to 20 knots. Showers likely in
the evening. Chance of thunderstorms through the night. Chance of
showers after midnight. Waves 1 to 2 feet.
.FRIDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots in
the late morning and afternoon. Sunny. Waves 1 to 2 feet building
to 1 to 3 feet in the late morning and afternoon.
.FRIDAY NIGHT...Southwest wind 5 to 10 knots. Clear. Waves 1 to
3 feet.
.SATURDAY...South wind 5 knots becoming southeast early in the
afternoon, then becoming southwest late in the afternoon. Slight
chance of showers in the afternoon. Waves 1 foot or less.

$$

LSZ121-200415-
Chequamegon Bay-Bayfield to Oak Point WI-
511 PM CDT Thu Sep 19 2024

...TORNADO WATCH 678 IN EFFECT UNTIL 11 PM CDT THIS EVENING...

.TONIGHT...South wind 10 to 15 knots with gusts to around
20 knots becoming southwest 5 to 10 knots late in the night.
Showers likely in the evening. Chance of thunderstorms through
the night. Chance of showers after midnight. Waves 1 foot or
less.
.FRIDAY...Southwest wind 5 to 10 knots. Sunny. Waves 1 foot or
less.
.FRIDAY NIGHT...Southwest wind 5 to 10 knots. Clear. Waves 1 foot
or less.
.SATURDAY...South wind 5 to 10 knots. Slight chance of showers
and thunderstorms in the afternoon. Waves 1 foot or less.

$$

LSZ148-200415-
Oak Point to Saxon Harbor WI-
511 PM CDT Thu Sep 19 2024

...TORNADO WATCH 678 IN EFFECT UNTIL 11 PM CDT THIS EVENING...

.TONIGHT...South wind 10 to 15 knots with gusts to around
20 knots becoming southwest 5 to 10 knots after midnight. Chance
of showers and thunderstorms until early morning. Waves 1 foot or
less.
.FRIDAY...Southwest wind 5 to 10 knots becoming west late in the
afternoon. Sunny. Waves 1 foot or less.
.FRIDAY NIGHT...Southwest wind 5 to 10 knots. Clear. Waves 1 foot
or less.
.SATURDAY...South wind 5 to 10 knots. Slight chance of showers
and thunderstorms in the afternoon. Waves 1 foot or less.

$$

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

JJM