fzus53 kdlh 131018
nshdlh
expires:202604131600;;292473

nearshore marine forecast
national weather service duluth mn
517 am cdt mon apr 13 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.


lsz148-131600-
oak point to saxon harbor wi-
518 am cdt mon apr 13 2026

...dense fog advisory in effect until 10 am cdt this morning...

.today...northwest wind 5 knots becoming northeast in the
afternoon. patchy fog early in the morning. slight chance of rain
showers late in the afternoon. waves 1 foot or less. 
.tonight...northeast wind 10 to 15 knots. gusts up to 20 knots
until early morning. patchy fog. chance of rain showers and
slight chance of thunderstorms. waves 1 to 2 feet building to
2 to 4 feet in the late evening and overnight. 
.tuesday...northeast wind 5 to 10 knots becoming north in the
afternoon. patchy fog in the morning. slight chance of rain
showers through the day. waves 1 to 3 feet. 
.tuesday night...northeast wind 5 knots. mostly cloudy. waves
1 to 2 feet. 

note...wave height forecasts are for ice free areas.

$$

fzus53 kdlh 131018
nshdlh
expires:202604131600;;292470

nearshore marine forecast
national weather service duluth mn
517 am cdt mon apr 13 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.


lsz146-131600-
port wing to sand island wi-
518 am cdt mon apr 13 2026

...dense fog advisory in effect until 10 am cdt this morning...
...small craft advisory in effect from this evening through
tuesday afternoon...

.today...west wind 5 knots becoming northeast in the afternoon.
patchy fog early in the morning. slight chance of showers and
thunderstorms late in the afternoon. waves 1 foot or less. 
.tonight...northeast wind 15 to 20 knots. gusts up to 20 knots
increasing to 25 knots in the late evening and early morning,
then decreasing to 20 knots early in the morning. patchy fog.
chance of rain showers and slight chance of thunderstorms. waves
1 to 2 feet building to 2 to 4 feet in the late evening and
overnight. 
.tuesday...northeast wind 10 to 15 knots with gusts to around
20 knots easing to 5 knots late in the afternoon. patchy fog in
the morning. slight chance of rain showers through the day. waves
2 to 4 feet subsiding to 1 to 3 feet late in the afternoon. 
.tuesday night...northeast wind 5 knots. mostly cloudy. waves
1 to 2 feet. 

note...wave height forecasts are for ice free areas.

$$

fzus53 kdlh 131018
nshdlh
expires:202604131600;;292471

nearshore marine forecast
national weather service duluth mn
517 am cdt mon apr 13 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.


lsz147-131600-
sand island to bayfield wi-
518 am cdt mon apr 13 2026

...dense fog advisory in effect until 10 am cdt this morning...
...small craft advisory in effect from this evening through
tuesday afternoon...

.today...west wind 5 knots becoming northeast in the afternoon.
slight chance of rain showers late in the afternoon. waves 1 foot
or less. 
.tonight...northeast wind 10 to 15 knots. gusts up to 25 knots in
the late evening and early morning decreasing to 20 knots. patchy
fog. chance of rain showers and slight chance of thunderstorms.
waves 1 to 2 feet building to 2 to 4 feet in the late evening and
overnight. 
.tuesday...northeast wind 10 to 15 knots with gusts to around
20 knots easing to 5 knots late in the afternoon. patchy fog in
the morning. slight chance of rain showers through the day. waves
2 to 4 feet subsiding to 1 to 3 feet late in the afternoon. 
.tuesday night...northeast wind 5 knots. mostly cloudy. waves
1 to 2 feet. 

note...wave height forecasts are for ice free areas.

$$

fzus53 kdlh 131018
nshdlh
expires:202604131600;;292464

nearshore marine forecast
national weather service duluth mn
517 am cdt mon apr 13 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.


lsz140-131600-
grand portage to grand marais mn-
518 am cdt mon apr 13 2026

...dense fog advisory in effect until 10 am cdt this morning...
...small craft advisory in effect from this evening through
tuesday morning...

.today...west wind 5 to 10 knots becoming east late in the
afternoon. patchy fog early in the morning. waves 1 to 2 feet. 
.tonight...northeast wind 10 to 15 knots. gusts up to 25 knots in
the late evening and early morning decreasing to 20 knots. patchy
fog through the night. slight chance of rain showers through the
night. waves 1 to 3 feet. 
.tuesday...northeast wind 10 to 15 knots. gusts up to 25 knots.
patchy fog in the morning. chance of rain showers through the
day. waves 1 to 3 feet. 
.tuesday night...north wind 5 knots. mostly cloudy. waves 1 to
2 feet. 

note...wave height forecasts are for ice free areas.

$$

fzus53 kdlh 131018
nshdlh
expires:202604131600;;292465

nearshore marine forecast
national weather service duluth mn
517 am cdt mon apr 13 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.


lsz141-131600-
grand marais to taconite harbor mn-
518 am cdt mon apr 13 2026

...dense fog advisory in effect until 10 am cdt this morning...
...small craft advisory in effect from this evening through
tuesday morning...

.today...west wind 5 knots becoming north early in the afternoon,
then becoming east late in the afternoon. mostly cloudy. waves
1 foot or less. 
.tonight...northeast wind 10 to 15 knots. gusts up to 25 knots in
the late evening and early morning decreasing to 20 knots. chance
of rain showers through the night. patchy fog after midnight.
waves 1 to 2 feet building to 1 to 3 feet after midnight. 
.tuesday...northeast wind 10 to 15 knots with gusts to around
20 knots easing to 5 knots late in the afternoon. chance of rain
showers. waves 1 to 3 feet. 
.tuesday night...north wind 5 knots. mostly cloudy. waves 1 to
2 feet. 

note...wave height forecasts are for ice free areas.

$$

fzus53 kdlh 131018
nshdlh
expires:202604131600;;292466

nearshore marine forecast
national weather service duluth mn
517 am cdt mon apr 13 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.


lsz142-131600-
taconite harbor to silver bay harbor mn-
518 am cdt mon apr 13 2026

...dense fog advisory in effect until 10 am cdt this morning...
...small craft advisory in effect from this evening through
tuesday afternoon...

.today...west wind 5 knots becoming northwest late in the
morning, then becoming northeast in the afternoon. slight chance
of rain showers late in the afternoon. waves 1 foot or less. 
.tonight...northeast wind 10 to 15 knots. gusts up to 25 knots in
the late evening and early morning decreasing to 20 knots. patchy
fog. chance of rain showers and slight chance of thunderstorms.
waves 1 to 2 feet building to 2 to 4 feet after midnight. 
.tuesday...northeast wind 10 to 15 knots with gusts to around
20 knots easing to 5 knots late in the afternoon. patchy fog in
the morning. chance of rain showers through the day. waves 2 to
4 feet subsiding to 1 to 3 feet late in the afternoon. 
.tuesday night...north wind 5 knots. mostly cloudy. waves 1 to
2 feet. 

note...wave height forecasts are for ice free areas.

$$

fzus53 kdlh 131018
nshdlh
expires:202604131600;;292467

nearshore marine forecast
national weather service duluth mn
517 am cdt mon apr 13 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.


lsz143-131600-
silver bay harbor to two harbors mn-
518 am cdt mon apr 13 2026

...dense fog advisory in effect until 10 am cdt this morning...
...small craft advisory in effect from this evening through
tuesday afternoon...

.today...west wind 5 knots becoming northeast in the afternoon.
slight chance of showers and thunderstorms late in the afternoon.
waves 1 foot or less. 
.tonight...northeast wind 15 to 20 knots. gusts up to 20 knots
increasing to 25 knots in the late evening and early morning,
then decreasing to 20 knots early in the morning. patchy fog
through the night. slight chance of thunderstorms in the evening.
chance of rain showers through the night. waves 1 to 2 feet
building to 2 to 4 feet in the late evening and overnight. 
.tuesday...northeast wind 10 to 15 knots with gusts to around
20 knots easing to 5 knots late in the afternoon. patchy fog in
the morning. chance of rain showers in the morning, then slight
chance of rain showers in the afternoon. waves 2 to 4 feet
subsiding to 1 to 3 feet late in the afternoon. 
.tuesday night...northeast wind 5 knots. mostly cloudy. waves
1 to 2 feet. 

note...wave height forecasts are for ice free areas.

$$

fzus53 kdlh 131018
nshdlh
expires:202604131600;;292468

nearshore marine forecast
national weather service duluth mn
517 am cdt mon apr 13 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.


lsz144-131600-
two harbors to duluth mn-
518 am cdt mon apr 13 2026

...dense fog advisory in effect until 10 am cdt this morning...
...small craft advisory in effect from this evening through
tuesday afternoon...

.today...west wind 5 knots becoming northeast 10 to 15 knots in
the afternoon. chance of rain showers and slight chance of
thunderstorms late in the afternoon. waves 1 foot or less. 
.tonight...northeast wind 15 to 20 knots. gusts up to 25 knots in
the late evening and overnight. patchy fog through the night.
slight chance of thunderstorms in the evening. chance of rain
showers through the night. waves 2 to 4 feet. 
.tuesday...northeast wind 10 to 15 knots with gusts to around
20 knots easing to 5 knots late in the afternoon. patchy fog in
the morning. slight chance of rain showers through the day. waves
2 to 4 feet subsiding to 1 to 3 feet late in the afternoon. 
.tuesday night...northeast wind 5 knots. mostly cloudy. waves
1 to 2 feet. 

note...wave height forecasts are for ice free areas.

$$

fzus53 kdlh 131018
nshdlh
expires:202604131600;;292469

nearshore marine forecast
national weather service duluth mn
517 am cdt mon apr 13 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.


lsz145-131600-
duluth mn to port wing wi-
518 am cdt mon apr 13 2026

...dense fog advisory in effect until 10 am cdt this morning...
...small craft advisory in effect from this evening through
tuesday afternoon...

.today...west wind 5 knots becoming northwest late in the
morning, then becoming northeast 10 to 15 knots in the afternoon.
chance of rain showers and slight chance of thunderstorms late in
the afternoon. waves 1 foot or less. 
.tonight...northeast wind 15 to 20 knots. gusts up to 25 knots in
the late evening and early morning decreasing to 20 knots. patchy
fog. chance of rain showers and slight chance of thunderstorms.
waves 2 to 4 feet. 
.tuesday...northeast wind 10 to 15 knots. gusts up to 20 knots
early in the morning. patchy fog in the morning. slight chance of
rain showers through the day. waves 2 to 4 feet subsiding to 1 to
3 feet in the afternoon. 
.tuesday night...northeast wind 5 knots. mostly cloudy. waves
1 to 2 feet. 

note...wave height forecasts are for ice free areas.

$$

fzus53 kmqt 130901
nshmqt
expires:202604132000;;289057

nearshore marine forecast
national weather service marquette mi
500 am edt mon apr 13 2026

for waters within five nautical miles of shore

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.


lsz242-132000-
ontonagon to upper entrance of portage canal mi-
500 am edt mon apr 13 2026

.early this morning...west wind 10 to 15 knots. cloudy. areas of
dense fog. waves 2 to 3 feet. 
.today...west wind less than 10 knots veering northeast late.
mostly cloudy. patchy fog through mid morning. waves subsiding to
1 to 2 feet. 
.tonight...northeast wind 10 to 15 knots. rain showers likely and
a slight chance of thunderstorms. waves calm to 1 foot. 
.tuesday...northeast wind 10 to 15 knots. mostly cloudy. a slight
chance of rain showers in the morning. waves 1 to 2 feet. 
.tuesday night...north wind less than 10 knots. mostly cloudy.
waves 1 to 2 feet. 

$$

fzus53 kmqt 130901
nshmqt
expires:202604132000;;289055

nearshore marine forecast
national weather service marquette mi
500 am edt mon apr 13 2026

for waters within five nautical miles of shore

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.


lsz240-241-132000-
saxon harbor wi to black river mi-
black river to ontonagon mi-
500 am edt mon apr 13 2026 /400 am cdt mon apr 13 2026/

.early this morning...west wind 10 to 15 knots. mostly cloudy.
patchy fog. waves 2 to 3 feet subsiding to 1 to 2 feet. 
.today...west wind less than 10 knots veering northeast 5 to
15 knots late. mostly cloudy. patchy fog through mid morning. a
slight chance of rain showers late. waves 1 to 2 feet. 
.tonight...northeast wind 10 to 15 knots. rain showers and a
slight chance of thunderstorms. waves building to 2 to 4 feet,
then subsiding to 2 to 3 feet. 
.tuesday...northeast wind less than 10 knots backing north in the
afternoon. mostly cloudy. a slight chance of rain showers in the
afternoon. waves subsiding to 1 to 2 feet. 
.tuesday night...north wind less than 10 knots in the evening
becoming variable. mostly cloudy. waves 1 to 2 feet. 

$$