909 

FZUS53 KMKX 161210
NSHMKX

Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
710 AM CDT Thu Apr 16 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ643-161600-
Sheboygan to Port Washington WI-
710 AM CDT Thu Apr 16 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT FRIDAY...

.TODAY...North wind 5 to 10 knots rising to 10 to 15 knots late
in the morning, then easing to 5 to 10 knots early in the
afternoon veering northeast late in the afternoon. Rain showers
in the morning. Slight chance of thunderstorms in the morning.
Chance of showers late in the morning. areas of dense fog in the
morning. Patchy dense fog in the afternoon. Waves around 1 foot.
.TONIGHT...Northeast wind 5 to 10 knots becoming south late in
the evening, then rising to 5 to 10 knots after midnight becoming
south 5 to 10 knots early in the morning. Patchy dense fog
through around midnight, then areas of dense fog after midnight.
Waves around 1 foot.
.FRIDAY...South wind 10 to 15 knots with gusts to around 20 knots
rising to 15 to 20 knots with gusts to around 25 knots in the
afternoon. Areas of dense fog in the morning. Waves 1 to 2 feet
building to 4 to 6 feet.
.FRIDAY NIGHT...South wind 15 to 25 knots veering west early in
the morning. Thunderstorms through around midnight. Rain showers
through the night. Chance of thunderstorms after midnight. Waves
5 to 7 feet building to 6 to 8 feet late in the evening, then
subsiding to 5 to 7 feet after midnight subsiding to 4 to 6 feet
early in the morning.

$$
LMZ644-161600-
Port Washington to North Point Light WI-
710 AM CDT Thu Apr 16 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT FRIDAY...

.TODAY...Northeast wind 5 to 10 knots backing north late in the
morning, then becoming north 5 to 10 knots in the afternoon. Rain
showers in the morning. Slight chance of thunderstorms in the
morning. Chance of showers late in the morning. patchy dense fog
through the day. Waves around 1 foot.
.TONIGHT...Northeast wind 5 to 10 knots becoming southeast late
in the evening, then becoming south after midnight becoming south
5 to 10 knots early in the morning. Areas of dense fog. Waves
around 1 foot.
.FRIDAY...South wind 10 to 15 knots becoming southeast 15 to
20 knots in the afternoon. Areas of dense fog in the morning.
Waves 1 to 2 feet building to 3 to 5 feet in the afternoon.
.FRIDAY NIGHT...South wind 15 to 25 knots veering southwest after
midnight, then becoming west 10 to 20 knots early in the morning.
Thunderstorms through around midnight. Rain showers through the
night. Chance of thunderstorms after midnight. Waves 4 to 6 feet
subsiding to 3 to 5 feet early in the morning.

$$
LMZ645-161600-
North Point Light to Wind Point WI-
710 AM CDT Thu Apr 16 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT FRIDAY...

.TODAY...South wind 5 to 10 knots veering north late in the
morning, then rising to 10 to 15 knots early in the afternoon
easing to 5 to 10 knots late in the afternoon. Chance of
thunderstorms in the morning. Chance of showers in the morning.
Slight chance of thunderstorms late in the morning. patchy dense
fog through the day. Waves around 1 foot.
.TONIGHT...Northeast wind 5 to 10 knots veering south after
midnight. Patchy dense fog through around midnight, then areas of
dense fog after midnight. Waves around 1 foot.
.FRIDAY...South wind 10 to 15 knots becoming southeast 15 to
20 knots in the afternoon. Areas of dense fog in the morning.
Waves 1 to 2 feet building to 3 to 4 feet in the afternoon.
.FRIDAY NIGHT...South wind 15 to 20 knots becoming 10 to 20 knots
late in the evening, then veering southwest 15 to 20 knots after
midnight veering west early in the morning. Thunderstorms through
around midnight. Rain showers through the night. Chance of
thunderstorms after midnight. Waves 3 to 5 feet subsiding to 3 to
4 feet early in the morning.

$$
LMZ646-161600-
Wind Point WI to Winthrop Harbor IL-
710 AM CDT Thu Apr 16 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT FRIDAY...

.TODAY...South wind 5 to 10 knots veering northwest late in the
morning, then veering north early in the afternoon becoming north
5 to 10 knots late in the afternoon. Chance of showers in the
morning. Slight chance of thunderstorms until late afternoon.
Slight chance of showers early in the afternoon. patchy dense fog
through the day. Waves around 1 foot.
.TONIGHT...Northeast wind 5 to 10 knots veering south early in
the morning. Patchy dense fog through around midnight, then areas
of dense fog after midnight. Waves around 1 foot.
.FRIDAY...South wind 5 to 10 knots rising to 10 to 15 knots late
in the morning, then backing southeast with gusts to around
20 knots early in the afternoon rising to 15 to 20 knots late in
the afternoon. Areas of dense fog in the morning. Waves 1 to
2 feet building to 2 to 4 feet late in the afternoon.
.FRIDAY NIGHT...South wind 15 to 20 knots veering southwest early
in the morning. Thunderstorms through around midnight. Rain
showers through the night. Chance of thunderstorms after
midnight. Waves 3 to 4 feet building to 3 to 5 feet late in the
evening, then subsiding to 3 to 4 feet after midnight.

$$
See Lake Michigan Open Waters Forecast for Saturday through Monday.






284 

FZUS53 KDLH 161243
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
743 AM CDT Thu Apr 16 2026

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.

LSZ140-161600-
Grand Portage to Grand Marais MN-
743 AM CDT Thu Apr 16 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING...

.TODAY...Southwest wind 5 knots becoming southeast late in the
afternoon. Areas of dense freezing fog in the morning. Areas of
dense fog through the day. Waves 1 foot or less.
.TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots in
the late evening and early morning. Patchy dense fog in the
evening, then widespread dense fog after midnight. Slight chance
of rain after midnight. Waves 1 to 2 feet.
.FRIDAY...Northeast wind 10 to 15 knots. Areas of dense fog in
the morning. Patchy fog in the afternoon. Rain and chance of
thunderstorms in the afternoon. Waves 1 to 3 feet.
.FRIDAY NIGHT...Northwest wind 15 to 20 knots. Gusts up to
20 knots increasing to 30 knots. Rain and chance of thunderstorms
in the evening, then rain likely after midnight. Waves 1 to
3 feet.

Note...Wave height forecasts are for ice free areas.

$$

LSZ141-161600-
Grand Marais to Taconite Harbor MN-
743 AM CDT Thu Apr 16 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING...

.TODAY...Southwest wind 5 knots becoming east late in the
afternoon. Areas of dense fog in the morning, then patchy dense
fog in the afternoon. Waves 1 foot or less.
.TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots in
the late evening and early morning. Patchy dense fog in the
evening, then widespread dense fog after midnight. Slight chance
of rain after midnight. Waves 1 to 2 feet.
.FRIDAY...Northeast wind 10 to 15 knots becoming north 5 to
10 knots late in the afternoon. Widespread dense fog in the
morning, then patchy fog in the afternoon. Rain and chance of
thunderstorms in the afternoon. Waves 1 to 2 feet.
.FRIDAY NIGHT...Northwest wind 15 to 20 knots. Gusts up to
20 knots increasing to 30 knots in the late evening and
overnight. Rain and chance of thunderstorms in the evening. Waves
1 to 2 feet.

Note...Wave height forecasts are for ice free areas.

$$

LSZ142-161600-
Taconite Harbor to Silver Bay Harbor MN-
743 AM CDT Thu Apr 16 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING...

.TODAY...South wind 5 knots becoming east late in the afternoon.
Areas of dense freezing fog early in the morning. Areas of dense
fog in the morning, then patchy dense fog in the afternoon. Waves
1 foot or less.
.TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots
late in the evening. Patchy dense fog in the evening, then
widespread dense fog after midnight. Waves 1 to 2 feet.
.FRIDAY...Northeast wind 10 to 15 knots. Areas of dense fog in
the morning. Patchy fog in the afternoon. Rain and chance of
thunderstorms in the afternoon. Waves 1 to 2 feet.
.FRIDAY NIGHT...Northwest wind 15 to 20 knots. Gusts up to
25 knots increasing to 30 knots in the late evening and early
morning, then decreasing to 25 knots early in the morning. Rain
and chance of thunderstorms in the evening. Waves 1 to 2 feet.

Note...Wave height forecasts are for ice free areas.

$$

LSZ143-161600-
Silver Bay Harbor to Two Harbors MN-
743 AM CDT Thu Apr 16 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING...

.TODAY...South wind 5 knots becoming east in the late morning and
afternoon. Areas of dense fog early in the morning. Areas of
dense freezing fog in the morning. Patchy dense fog in the late
morning and afternoon. Waves 1 foot or less.
.TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots
until early morning. Patchy fog in the evening, then widespread
dense fog after midnight. Waves 1 to 2 feet.
.FRIDAY...Northeast wind 10 to 15 knots. Areas of dense fog in
the morning. Patchy fog in the afternoon. Rain and chance of
thunderstorms in the afternoon. Waves 1 to 2 feet.
.FRIDAY NIGHT...Northwest wind 15 to 20 knots. Gusts up to
25 knots. Rain and chance of thunderstorms in the evening. Chance
of snow through the night. Waves 1 to 2 feet.

Note...Wave height forecasts are for ice free areas.

$$

LSZ144-161600-
Two Harbors to Duluth MN-
743 AM CDT Thu Apr 16 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING...

.TODAY...Variable winds 10 knots or less becoming east 5 to
10 knots in the late morning and afternoon. Areas of dense fog
early in the morning. Areas of dense freezing fog in the morning.
Patchy dense fog in the late morning and afternoon. Waves 1 foot
or less.
.TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots
until early morning. Patchy fog in the evening. Areas of dense
fog after midnight. Waves 1 to 2 feet.
.FRIDAY...Northeast wind 10 to 15 knots becoming north with gusts
to around 20 knots late in the afternoon. Areas of dense fog in
the morning, then patchy fog in the afternoon. Slight chance of
rain in the morning, then rain and chance of thunderstorms in the
afternoon. Waves 1 to 2 feet.
.FRIDAY NIGHT...Northwest wind 15 to 20 knots. Gusts up to
25 knots increasing to 30 knots after midnight, then decreasing
to 25 knots early in the morning. Rain and chance of
thunderstorms in the evening. Chance of snow through the night.
Waves 1 to 3 feet.

Note...Wave height forecasts are for ice free areas.

$$

LSZ145-161600-
Duluth MN to Port Wing WI-
743 AM CDT Thu Apr 16 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING...

.TODAY...Variable winds 10 knots or less becoming northeast 5 to
10 knots in the late morning and afternoon. Areas of dense fog
early in the morning. Areas of dense freezing fog in the morning.
Patchy dense fog in the late morning and afternoon. Waves 1 foot
or less.
.TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots in
the evening. Patchy fog in the evening. Areas of dense fog after
midnight. Waves 1 to 2 feet.
.FRIDAY...Northeast wind 10 to 15 knots with gusts to around
20 knots becoming northwest with gusts to around 20 knots late in
the afternoon. Slight chance of rain in the morning, then rain
and chance of thunderstorms in the afternoon. Patchy fog in the
afternoon. Waves 1 to 2 feet.
.FRIDAY NIGHT...West wind 15 to 20 knots with gusts to around
25 knots. Rain and chance of thunderstorms in the evening. Chance
of snow through the night. Waves 2 to 4 feet. A small craft
advisory may be needed.

Note...Wave height forecasts are for ice free areas.

$$

LSZ146-161600-
Port Wing to Sand Island WI-
743 AM CDT Thu Apr 16 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING...

.TODAY...Variable winds 10 knots or less becoming northeast 5 to
10 knots in the late morning and afternoon. Areas of dense fog
and dense freezing fog early in the morning, then patchy dense
fog in the late morning and afternoon. Waves 1 foot or less.
.TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots in
the evening. Patchy dense fog. Waves 1 to 2 feet.
.FRIDAY...Northeast wind 5 to 10 knots becoming northwest late in
the afternoon. Patchy fog in the afternoon. Rain and chance of
thunderstorms in the afternoon. Waves 1 to 2 feet.
.FRIDAY NIGHT...West wind 15 to 20 knots. Gusts up to 25 knots.
Rain and chance of thunderstorms in the evening. Waves 1 to
3 feet building to 2 to 4 feet after midnight. A small craft
advisory may be needed.

Note...Wave height forecasts are for ice free areas.

$$

LSZ147-161600-
Sand Island to Bayfield WI-
743 AM CDT Thu Apr 16 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING...

.TODAY...Variable winds 10 knots or less becoming southeast
5 knots late in the morning, then becoming east in the afternoon.
Areas of dense fog and dense freezing fog early in the morning,
then patchy dense fog in the late morning and afternoon. Waves
1 foot or less.
.TONIGHT...East wind 5 to 10 knots. Patchy dense fog after
midnight. Waves 1 to 2 feet.
.FRIDAY...Southeast wind 5 to 10 knots becoming northeast early
in the afternoon, then becoming west late in the afternoon. Rain
and chance of thunderstorms in the afternoon. Waves 1 to 2 feet.
.FRIDAY NIGHT...West wind 15 to 20 knots. Gusts up to 25 knots.
Rain and chance of thunderstorms in the evening. Waves 1 to
3 feet building to 2 to 4 feet after midnight.

Note...Wave height forecasts are for ice free areas.

$$

LSZ150-161600-
Outer Apostle Islands Beyond 5 NM from Mainland-
743 AM CDT Thu Apr 16 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING...

.TODAY...Southwest wind 5 knots becoming southeast late in the
morning, then becoming east early in the afternoon rising to
10 to 15 knots late in the afternoon. Areas of dense freezing fog
early in the morning. Patchy dense fog through the day. Waves
1 foot or less.
.TONIGHT...East wind 10 to 15 knots. Patchy dense fog in the
evening. Widespread dense fog after midnight. Waves 1 to 2 feet.
.FRIDAY...Southeast wind 5 to 10 knots becoming northeast 10 to
15 knots early in the afternoon, then becoming west 5 to 10 knots
late in the afternoon. Areas of dense fog in the morning. Rain
and chance of thunderstorms in the afternoon. Waves 1 to 2 feet.
.FRIDAY NIGHT...West wind 15 to 20 knots. Gusts up to 25 knots.
Rain and chance of thunderstorms in the evening. Waves 1 to
3 feet building to 2 to 4 feet in the late evening and overnight.

Note...Wave height forecasts are for ice free areas.

$$

LSZ148-161600-
Oak Point to Saxon Harbor WI-
743 AM CDT Thu Apr 16 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING...

.TODAY...Variable winds 10 knots or less becoming east 5 to
10 knots in the late morning and afternoon. Areas of dense
freezing fog early in the morning. Patchy dense fog through the
day. Waves 1 foot or less.
.TONIGHT...Northeast wind 5 to 10 knots becoming south 10 to
15 knots with gusts to around 25 knots early in the morning.
Patchy dense fog in the evening. Areas of dense fog after
midnight. Waves 1 foot or less.
.FRIDAY...South wind 10 to 15 knots becoming southeast early in
the afternoon, then becoming southwest late in the afternoon.
Gusts up to 20 knots. Rain and chance of thunderstorms in the
afternoon. Waves 1 to 2 feet.
.FRIDAY NIGHT...West wind 15 to 20 knots. Gusts up to 25 knots
early in the morning. Chance of thunderstorms in the evening.
Rain through the night. Waves 1 to 3 feet.

Note...Wave height forecasts are for ice free areas.

$$

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

WFO DLH