410 

FZUS53 KDLH 160400
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
1100 PM CDT Wed Apr 15 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.

LSZ140-161000-
Grand Portage to Grand Marais MN-
1100 PM CDT Wed Apr 15 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY...

.REST OF TONIGHT...Northeast wind 5 knots becoming west after
midnight. Patchy dense fog late in the evening, then areas of
dense fog after midnight. Waves 1 foot or less.
.THURSDAY...Southwest wind 5 knots becoming south late in the
afternoon. Areas of dense fog in the morning. Waves 1 foot or
less.
.THURSDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to
20 knots after midnight. Slight chance of rain after midnight.
Waves 1 to 2 feet.
.FRIDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots in
the morning then 20 knots late in the afternoon. Rain likely and
slight chance of thunderstorms in the afternoon. Waves 1 to
3 feet.

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

$$

LSZ141-161000-
Grand Marais to Taconite Harbor MN-
1100 PM CDT Wed Apr 15 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY...

.REST OF TONIGHT...Variable winds 10 knots or less. Areas of
dense fog. Waves 1 foot or less.
.THURSDAY...Variable winds 10 knots or less becoming south
5 knots in the late morning and early afternoon, then becoming
east late in the afternoon. Areas of dense fog in the morning.
Waves 1 foot or less.
.THURSDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to
20 knots after midnight. Patchy fog in the evening. Slight chance
of rain after midnight. Waves 1 to 2 feet.
.FRIDAY...Northeast wind 10 to 15 knots with gusts to around
20 knots becoming north late in the afternoon. Rain likely and
chance of thunderstorms in the afternoon. Waves 1 to 2 feet.

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

$$

LSZ142-161000-
Taconite Harbor to Silver Bay Harbor MN-
1100 PM CDT Wed Apr 15 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY...

.REST OF TONIGHT...Variable winds 10 knots or less. Patchy dense
fog late in the evening, then areas of dense fog after midnight.
Widespread dense fog toward daybreak. Waves 1 foot or less.
.THURSDAY...Variable winds 10 knots or less becoming east 5 to
10 knots in the late morning and afternoon. Patchy dense fog in
the morning. Waves 1 foot or less.
.THURSDAY NIGHT...Northeast wind 10 to 15 knots. Patchy fog in
the evening. Waves 1 to 2 feet.
.FRIDAY...Northeast wind 10 to 15 knots. Rain likely and chance
of thunderstorms in the afternoon. Waves 1 to 2 feet.

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

$$

LSZ143-161000-
Silver Bay Harbor to Two Harbors MN-
1100 PM CDT Wed Apr 15 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY...

.REST OF TONIGHT...Northeast wind 5 knots late in the evening
becoming variable 10 knots or less. Patchy dense fog late in the
evening, then areas of dense fog after midnight. Widespread dense
fog toward daybreak. Waves 1 foot or less.
.THURSDAY...Variable winds 10 knots or less becoming northeast
10 to 15 knots. Areas of dense fog in the morning. Waves 1 foot
or less.
.THURSDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to
20 knots in the evening then 20 knots early in the morning.
Patchy fog in the evening. Waves 1 to 2 feet.
.FRIDAY...Northeast wind 10 to 15 knots. Rain and chance of
thunderstorms in the afternoon. Waves 1 to 2 feet.

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

$$

LSZ144-161000-
Two Harbors to Duluth MN-
1100 PM CDT Wed Apr 15 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY...

.REST OF TONIGHT...Northeast wind 5 knots late in the evening
becoming variable 10 knots or less. Patchy dense fog late in the
evening, then widespread dense fog after midnight. Waves 1 foot
or less.
.THURSDAY...Variable winds 10 knots or less becoming northeast
10 to 15 knots. Widespread dense fog in the morning. Waves 1 to
2 feet.
.THURSDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to
20 knots in the evening. Patchy fog in the evening. Waves 1 to
2 feet.
.FRIDAY...Northeast wind 10 to 15 knots becoming north 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. Waves 1 to 2 feet.

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

$$

LSZ145-161000-
Duluth MN to Port Wing WI-
1100 PM CDT Wed Apr 15 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY...

.REST OF TONIGHT...Northeast wind 5 knots late in the evening
becoming variable 10 knots or less. Patchy dense fog late in the
evening, then areas of dense fog after midnight. Widespread dense
fog toward daybreak. Waves 1 foot or less.
.THURSDAY...Northeast wind 10 to 15 knots. Widespread dense fog
in the morning. Waves 1 to 2 feet.
.THURSDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to
20 knots in the evening. Patchy fog in the evening. Waves 1 to
2 feet.
.FRIDAY...Northeast wind 5 to 10 knots becoming north 10 to
15 knots 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. Waves 1 to 3 feet.

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

$$

LSZ146-161000-
Port Wing to Sand Island WI-
1100 PM CDT Wed Apr 15 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY...

.REST OF TONIGHT...Northeast wind 5 knots late in the evening
becoming variable 10 knots or less. Patchy dense fog late in the
evening, then areas of dense fog after midnight. Waves 1 foot or
less.
.THURSDAY...Variable winds 10 knots or less becoming northeast
10 to 15 knots. Areas of dense fog in the morning. Waves 1 to
2 feet.
.THURSDAY NIGHT...Northeast wind 10 to 15 knots. Partly cloudy in
the evening then becoming mostly cloudy. Waves 1 to 2 feet.
.FRIDAY...Northeast wind 5 to 10 knots becoming north late in the
afternoon. Rain and chance of thunderstorms in the afternoon.
Waves 1 to 3 feet.

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

$$

LSZ147-161000-
Sand Island to Bayfield WI-
1100 PM CDT Wed Apr 15 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY...

.REST OF TONIGHT...Variable winds 10 knots or less. Patchy dense
fog late in the evening, then areas of dense fog after midnight.
Widespread dense fog toward daybreak. Waves 1 foot or less.
.THURSDAY...Variable winds 10 knots or less becoming east 5 to
10 knots in the late morning and afternoon. Areas of dense fog in
the morning. Waves 1 foot or less.
.THURSDAY NIGHT...East wind 5 to 10 knots. Partly cloudy in the
evening then becoming mostly cloudy. Waves 1 foot or less.
.FRIDAY...East wind 5 to 10 knots becoming northwest late in the
afternoon. Rain likely and chance of thunderstorms in the
afternoon. Waves 1 to 3 feet.

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

$$

LSZ150-161000-
Outer Apostle Islands Beyond 5 NM from Mainland-
1100 PM CDT Wed Apr 15 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY...

.REST OF TONIGHT...Northeast wind 5 knots. Patchy dense fog late
in the evening, then areas of dense fog after midnight.
Widespread dense fog toward daybreak. Waves 1 foot or less.
.THURSDAY...East wind 5 knots rising to 5 to 10 knots. Areas of
dense fog in the morning. Waves 1 foot or less.
.THURSDAY NIGHT...East wind 5 to 10 knots. Patchy fog in the
evening. Waves 1 to 2 feet.
.FRIDAY...East wind 5 to 10 knots with gusts to around 20 knots
becoming north 10 to 15 knots with gusts to around 20 knots late
in the afternoon. Rain likely and slight chance of thunderstorms
in the afternoon. Waves 1 to 3 feet.

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

$$

LSZ148-161000-
Oak Point to Saxon Harbor WI-
1100 PM CDT Wed Apr 15 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY...

.REST OF TONIGHT...Variable winds 10 knots or less. Patchy dense
fog late in the evening, then widespread dense fog after
midnight. Waves 1 foot or less.
.THURSDAY...Variable winds 10 knots or less becoming east 5 to
10 knots in the late morning and afternoon. Widespread dense fog
in the morning. Waves 1 foot or less.
.THURSDAY NIGHT...Northeast wind 5 knots becoming southeast with
gusts to around 20 knots after midnight, then becoming south
10 to 15 knots with gusts to around 25 knots early in the
morning. Partly cloudy. Waves 1 foot or less.
.FRIDAY...South wind 10 to 15 knots with gusts to around 25 knots
becoming southwest with gusts to around 20 knots late in the
afternoon. Rain likely and chance of thunderstorms in the
afternoon. Waves 1 to 2 feet.

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

$$

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

WFO DLH






347 

FZUS53 KMKX 160410
NSHMKX

Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
1110 PM CDT Wed Apr 15 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ643-161000-
Sheboygan to Port Washington WI-
1110 PM CDT Wed Apr 15 2026

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

.REST OF TONIGHT...Northeast wind 5 to 10 knots. Areas of dense
fog through the night. showers likely and a chance of
thunderstorms after midnight. Chance of showers and slight chance
of thunderstorms early in the morning. Waves around 1 foot.
.THURSDAY...North wind 10 to 15 knots becoming northeast 5 to
10 knots late in the afternoon. Areas of dense fog in the
morning, then patchy fog in the afternoon. chance of showers and
slight chance of thunderstorms in the morning, then slight chance
of showers in the afternoon. Waves around 1 foot.
.THURSDAY NIGHT...East wind 5 to 10 knots veering south late in
the evening, then becoming south 5 to 10 knots after midnight.
Patchy fog through around midnight. Waves around 1 foot.
.FRIDAY...South wind 10 to 15 knots rising to 15 to 20 knots
early in the afternoon, then becoming 15 to 25 knots late in the
afternoon. Slight chance of showers in the afternoon. Waves 1 to
2 feet building to 3 to 5 feet in the afternoon.

$$
LMZ644-161000-
Port Washington to North Point Light WI-
1110 PM CDT Wed Apr 15 2026

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

.REST OF TONIGHT...Southeast wind 5 to 10 knots backing north
early in the morning. Patchy dense fog after midnight. Areas of
dense fog early in the morning. showers likely after midnight.
Chance of thunderstorms through the night. Rain showers early in
the morning. Waves around 1 foot.
.THURSDAY...North wind 5 to 10 knots rising to 10 to 15 knots
early in the afternoon, then becoming northeast 5 to 10 knots
late in the afternoon. Patchy dense fog through the day. chance
of showers and slight chance of thunderstorms in the morning.
Slight chance of showers in the afternoon. Waves around 1 foot.
.THURSDAY NIGHT...East wind 5 to 10 knots veering south after
midnight. Areas of dense fog through around midnight. Waves
around 1 foot.
.FRIDAY...South wind 5 to 10 knots rising to 10 to 15 knots late
in the morning, then becoming southeast 15 to 20 knots in the
afternoon. Slight chance of showers in the afternoon. Waves 1 to
2 feet building to 3 to 4 feet in the afternoon.

$$
LMZ645-161000-
North Point Light to Wind Point WI-
1110 PM CDT Wed Apr 15 2026

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

.REST OF TONIGHT...South wind 5 to 10 knots veering west early in
the morning. Patchy dense fog. showers likely and a chance of
thunderstorms. Waves around 1 foot.
.THURSDAY...Northwest wind 5 to 10 knots veering north 5 to
15 knots late in the morning, then becoming 10 to 15 knots early
in the afternoon easing to 5 to 10 knots late in the afternoon.
Patchy fog through the day. slight chance of thunderstorms in the
morning. Chance of showers through the day. Waves around 1 foot.
.THURSDAY NIGHT...Northeast wind 5 to 10 knots veering south
after midnight. Areas of dense fog through around 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 10 to 20 knots early in
the afternoon becoming 15 to 20 knots late in the afternoon.
Mostly cloudy. Waves 1 to 2 feet building to 2 to 4 feet in the
afternoon.

$$
LMZ646-161000-
Wind Point WI to Winthrop Harbor IL-
1110 PM CDT Wed Apr 15 2026

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

.REST OF TONIGHT...South wind 5 to 10 knots veering southwest
early in the morning. Patchy dense fog through the night. chance
of thunderstorms after midnight. Rain showers likely through the
night. Slight chance of thunderstorms early in the morning. Waves
around 1 foot.
.THURSDAY...West wind 5 to 10 knots becoming northwest 10 to
15 knots late in the morning, then veering north early in the
afternoon easing to 5 to 10 knots late in the afternoon. Patchy
fog through the day. slight chance of thunderstorms in the
morning. Chance of showers through the day. Waves around 1 foot.
.THURSDAY NIGHT...Northeast wind 5 to 10 knots veering south
after midnight. Patchy fog through around midnight. Waves around
1 foot.
.FRIDAY...Southeast wind 5 to 10 knots rising to 15 to 20 knots.
Mostly cloudy. Waves 1 to 2 feet building to 2 to 4 feet late in
the afternoon.

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






311 

FZUS53 KGRB 160425
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
1125 PM CDT Wed Apr 15 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-161000-
Green Bay south of line from Cedar River to Rock Island Passage
and north of a line from Oconto WI to Little Sturgeon Bay WI-
Green Bay south of line from Oconto WI to Little Sturgeon Bay WI-
1125 PM CDT Wed Apr 15 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY...

.REST OF TONIGHT...NE wind 5 to 10 kts. Waves 2 ft or less. Areas
of dense fog. a chance of light rain and a slight chance of
thunderstorms.
.THURSDAY...NE wind 5 to 10 kts veering S early in the afternoon.
Waves 2 ft or less. A chance of light rain in the morning. areas
of dense fog in the morning, then patchy fog in the afternoon.
.THURSDAY NIGHT...S wind 5 to 10 kts. Waves 2 ft or less. Mostly
clear in the evening then becoming mostly cloudy.
.FRIDAY...S wind 10 to 15 kts increasing to 15 to 25 kts early in
the afternoon. Waves 1 to 3 ft. Mostly cloudy. A Small Craft
Advisory may be needed.

$$

LMZ541-161000-
Rock Island Passage to Sturgeon Bay WI-
1125 PM CDT Wed Apr 15 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY...

.REST OF TONIGHT...N wind 5 to 10 kts. Waves 2 ft or less. Areas
of dense fog. a slight chance of thunderstorms late in the
evening. A chance of light rain.
.THURSDAY...N wind 5 to 10 kts veering S early in the afternoon.
Waves 2 ft or less. Areas of dense fog in the morning. a slight
chance of light rain in the morning.
.THURSDAY NIGHT...S wind 5 to 10 kts. Waves 2 ft or less. Partly
cloudy in the evening then becoming mostly cloudy.
.FRIDAY...S wind 15 to 25 kts. Waves 1 to 3 ft building to 3 to
5 ft in the afternoon. Mostly cloudy. A Small Craft Advisory may
be needed.

$$

LMZ542-543-161000-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
1125 PM CDT Wed Apr 15 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY...

.REST OF TONIGHT...NE wind 5 to 10 kts. Waves 2 ft or less. Areas
of dense fog. a chance of light rain and a slight chance of
thunderstorms.
.THURSDAY...N wind 5 to 10 kts veering E early in the afternoon.
Waves 2 ft or less. A chance of light rain and a slight chance of
thunderstorms in the morning. areas of dense fog in the morning,
then patchy fog in the afternoon.
.THURSDAY NIGHT...S wind 5 to 10 kts. Waves 2 ft or less. Mostly
cloudy.
.FRIDAY...S wind 10 to 15 kts increasing to to 30 kts in the late
morning and afternoon. Waves 1 to 3 ft building to 4 to 7 ft in
the afternoon. Mostly cloudy. A Small Craft Advisory may be
needed.

$$

See Lake Michigan Open Lake Forecast for Saturday through Monday.

Wave height forecast is for ice free areas.






216 

FZUS53 KDLH 160438
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
1138 PM CDT Wed Apr 15 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.

LSZ140-161000-
Grand Portage to Grand Marais MN-
1138 PM CDT Wed Apr 15 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY...

.REST OF TONIGHT...West wind 5 knots. Patchy dense fog late in
the evening, then areas of dense fog after midnight. Waves 1 foot
or less.
.THURSDAY...Southwest wind 5 knots becoming south late in the
afternoon. Areas of dense fog in the morning, then patchy fog in
the afternoon. Waves 1 foot or less.
.THURSDAY NIGHT...Northeast wind 10 to 15 knots. Patchy dense fog
through the night. Slight chance of rain after midnight. Waves
1 to 2 feet.
.FRIDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots
early in the morning. Patchy fog in the morning. Rain and chance
of thunderstorms in the afternoon. Waves 1 to 3 feet.

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

$$

LSZ141-161000-
Grand Marais to Taconite Harbor MN-
1138 PM CDT Wed Apr 15 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY...

.REST OF TONIGHT...Variable winds 10 knots or less. Patchy dense
fog late in the evening, then areas of dense fog after midnight.
Waves 1 foot or less.
.THURSDAY...Variable winds 10 knots or less becoming south
5 knots in the late morning and early afternoon, then becoming
east late in the afternoon. Areas of dense fog in the morning,
then patchy fog in the afternoon. Waves 1 foot or less.
.THURSDAY NIGHT...Northeast wind 10 to 15 knots. Patchy fog
through the night. Slight chance of rain after midnight. Waves
1 to 2 feet.
.FRIDAY...Northeast wind 5 to 10 knots becoming north late in the
afternoon. Patchy fog in the morning. Rain and chance of
thunderstorms in the afternoon. Waves 1 to 2 feet.

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

$$

LSZ142-161000-
Taconite Harbor to Silver Bay Harbor MN-
1138 PM CDT Wed Apr 15 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY...

.REST OF TONIGHT...Variable winds 10 knots or less. Patchy dense
fog late in the evening, then areas of dense fog after midnight.
Waves 1 foot or less.
.THURSDAY...Variable winds 10 knots or less becoming southeast
5 knots in the late morning and early afternoon, then becoming
east late in the afternoon. Widespread dense fog in the morning,
then patchy fog in the afternoon. Waves 1 foot or less.
.THURSDAY NIGHT...Northeast wind 5 to 10 knots. Patchy fog
through the night. Waves 1 to 2 feet.
.FRIDAY...Northeast wind 5 to 10 knots. Rain and chance of
thunderstorms in the afternoon. Waves 1 to 2 feet.

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

$$

LSZ143-161000-
Silver Bay Harbor to Two Harbors MN-
1138 PM CDT Wed Apr 15 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY...

.REST OF TONIGHT...Northeast wind 5 knots late in the evening
becoming variable 10 knots or less. Patchy dense fog late in the
evening, then areas of dense fog after midnight. Waves 1 foot or
less.
.THURSDAY...Variable winds 10 knots or less becoming northeast
10 to 15 knots. Widespread dense fog in the morning, then patchy
fog in the afternoon. Waves 1 foot or less.
.THURSDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to
20 knots in the evening. Patchy fog through the night. Waves 1 to
2 feet.
.FRIDAY...Northeast wind 5 to 10 knots. Patchy fog in the
afternoon. Rain and chance of thunderstorms in the afternoon.
Waves 1 to 2 feet.

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

$$

LSZ144-161000-
Two Harbors to Duluth MN-
1138 PM CDT Wed Apr 15 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY...

.REST OF TONIGHT...Northeast wind 5 knots late in the evening
becoming variable 10 knots or less. Patchy dense fog late in the
evening, then areas of dense fog after midnight. Widespread dense
fog toward daybreak. Waves 1 foot or less.
.THURSDAY...Variable winds 10 knots or less becoming northeast
10 to 15 knots. Widespread dense fog in the morning, then patchy
fog in the afternoon. Waves 1 to 2 feet.
.THURSDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to
20 knots in the evening. Patchy fog in the evening. Waves 1 to
2 feet.
.FRIDAY...Northeast wind 5 to 10 knots becoming north 10 to
15 knots 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.

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

$$

LSZ145-161000-
Duluth MN to Port Wing WI-
1138 PM CDT Wed Apr 15 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY...

.REST OF TONIGHT...Northeast wind 5 knots late in the evening
becoming variable 10 knots or less. Patchy dense fog late in the
evening, then areas of dense fog after midnight. Widespread dense
fog toward daybreak. Waves 1 foot or less.
.THURSDAY...Variable winds 10 knots or less becoming northeast
10 to 15 knots in the late morning and afternoon. Widespread
dense fog in the morning, then patchy fog in the afternoon. Waves
1 to 2 feet.
.THURSDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to
20 knots in the evening. Patchy fog in the evening. 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 3 feet.

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

$$

LSZ146-161000-
Port Wing to Sand Island WI-
1138 PM CDT Wed Apr 15 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY...

.REST OF TONIGHT...Northeast wind 5 knots late in the evening
becoming variable 10 knots or less. Patchy dense fog late in the
evening, then areas of dense fog after midnight. Waves 1 foot or
less.
.THURSDAY...Variable winds 10 knots or less becoming northeast
10 to 15 knots. Areas of dense fog in the morning, then patchy
fog in the afternoon. Waves 1 to 2 feet.
.THURSDAY NIGHT...Northeast wind 10 to 15 knots. Partly cloudy in
the evening then becoming mostly cloudy. Waves 1 to 2 feet.
.FRIDAY...Northeast wind 5 to 10 knots becoming northwest late in
the afternoon. Rain and chance of thunderstorms in the afternoon.
Waves 1 to 3 feet.

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

$$

LSZ147-161000-
Sand Island to Bayfield WI-
1138 PM CDT Wed Apr 15 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY...

.REST OF TONIGHT...Variable winds 10 knots or less. Patchy dense
fog late in the evening, then widespread dense fog after
midnight. Areas of dense fog toward daybreak. Waves 1 foot or
less.
.THURSDAY...Variable winds 10 knots or less becoming east 5 to
10 knots. Areas of dense fog in the morning. Patchy fog in the
afternoon. Waves 1 foot or less.
.THURSDAY NIGHT...East wind 5 to 10 knots. Partly cloudy in the
evening then becoming mostly cloudy. Waves 1 foot or less.
.FRIDAY...East 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 3 feet.

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

$$

LSZ150-161000-
Outer Apostle Islands Beyond 5 NM from Mainland-
1138 PM CDT Wed Apr 15 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY...

.REST OF TONIGHT...East wind 5 knots late in the evening becoming
variable 10 knots or less. Areas of dense fog late in the
evening, then widespread dense fog after midnight. Areas of dense
fog toward daybreak. Waves 1 foot or less.
.THURSDAY...Variable winds 10 knots or less becoming southeast
5 knots late in the morning, then becoming east in the afternoon.
Widespread dense fog in the morning, then patchy fog in the
afternoon. Waves 1 foot or less.
.THURSDAY NIGHT...East wind 5 to 10 knots. Patchy fog in the
evening. 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. Patchy fog in the morning. Rain and chance
of thunderstorms in the afternoon. Waves 1 to 3 feet.

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

$$

LSZ148-161000-
Oak Point to Saxon Harbor WI-
1138 PM CDT Wed Apr 15 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY...

.REST OF TONIGHT...Variable winds 10 knots or less. Areas of
dense fog late in the evening, then widespread dense fog after
midnight. Waves 1 foot or less.
.THURSDAY...Variable winds 10 knots or less becoming east 5 to
10 knots in the late morning and afternoon. Widespread dense fog
in the morning, then patchy fog in the afternoon. Waves 1 foot or
less.
.THURSDAY NIGHT...Northeast wind 5 knots becoming south with
gusts to around 20 knots early in the morning. Partly cloudy.
Waves 1 foot or less.
.FRIDAY...South wind 10 to 15 knots becoming southwest. Gusts up
to 20 knots. Rain and chance of thunderstorms in the afternoon.
Waves 1 to 2 feet.

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

$$

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

WFO DLH