fzus53 kdlh 181000
nshdlh
expires:202608181600;;930624

nearshore marine forecast
national weather service duluth mn
500 am cdt tue aug 18 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.


lsz148-181600-
oak point to saxon harbor wi-
500 am cdt tue aug 18 2026

.today...west wind 5 knots becoming northwest in the late morning
and early afternoon, then becoming southeast late in the
afternoon. mostly sunny. waves 1 foot or less. 
.tonight...southwest wind 5 knots becoming west in the late
evening and overnight. mostly clear. waves 1 foot or less. 
.wednesday...west wind 5 knots becoming northwest early in the
afternoon, then becoming east late in the afternoon. sunny. waves
1 foot or less. 
.wednesday night...south wind 5 knots becoming southwest early in
the morning. partly cloudy. waves 1 foot or less. 

$$

fzus53 kdlh 181000
nshdlh
expires:202608181600;;930620

nearshore marine forecast
national weather service duluth mn
500 am cdt tue aug 18 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.


lsz146-181600-
port wing to sand island wi-
500 am cdt tue aug 18 2026

.today...northwest wind 5 knots becoming southwest in the
afternoon. mostly sunny. waves 1 foot or less. 
.tonight...west wind 5 knots. mostly clear. waves 1 foot or less.
.wednesday...west wind 5 knots. sunny. waves 1 foot or less. 
.wednesday night...southwest wind 5 knots early in the evening
becoming variable 10 knots or less. partly cloudy. waves 1 foot
or less. 

$$

fzus53 kdlh 181000
nshdlh
expires:202608181600;;930621

nearshore marine forecast
national weather service duluth mn
500 am cdt tue aug 18 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.


lsz147-181600-
sand island to bayfield wi-
500 am cdt tue aug 18 2026

.today...west wind 5 knots becoming southwest late in the
afternoon. mostly sunny. waves 1 foot or less. 
.tonight...west wind 5 knots. mostly clear. waves 1 foot or less.
.wednesday...west wind 5 knots. sunny. waves 1 foot or less. 
.wednesday night...southwest wind 5 knots early in the evening
becoming variable 10 knots or less. partly cloudy. waves 1 foot
or less. 

$$

fzus53 kdlh 181000
nshdlh
expires:202608181600;;930623

nearshore marine forecast
national weather service duluth mn
500 am cdt tue aug 18 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.


lsz121-181600-
chequamegon bay-bayfield to oak point wi-
500 am cdt tue aug 18 2026

.today...west wind 5 knots becoming northwest late in the
morning, then becoming north early in the afternoon becoming
southeast late in the afternoon. mostly sunny. waves 1 foot or
less. 
.tonight...west wind 5 knots. mostly clear. waves 1 foot or less.
.wednesday...west wind 5 knots. sunny. waves 1 foot or less. 
.wednesday night...west wind 5 knots early in the evening
becoming variable 10 knots or less, then becoming southwest
5 knots after midnight. partly cloudy. waves 1 foot or less. 

$$

fzus53 kdlh 181000
nshdlh
expires:202608181600;;930614

nearshore marine forecast
national weather service duluth mn
500 am cdt tue aug 18 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.


lsz140-181600-
grand portage to grand marais mn-
500 am cdt tue aug 18 2026

...small craft advisory in effect from 3 pm cdt this afternoon
through this evening...

.today...northwest wind 5 to 10 knots with gusts to around
20 knots becoming southwest 10 to 15 knots with gusts to around
25 knots in the afternoon. mostly sunny. waves 1 to 3 feet. 
.tonight...west wind 10 to 15 knots with gusts to around 20 knots
becoming northwest 5 to 10 knots after midnight. partly cloudy.
waves 1 to 3 feet. 
.wednesday...west wind 5 to 10 knots becoming southwest 10 to
15 knots with gusts to around 20 knots in the afternoon. sunny.
waves 1 to 2 feet. 
.wednesday night...southwest wind 5 to 10 knots becoming north
after midnight. partly cloudy. waves 1 to 2 feet. 

$$

fzus53 kdlh 181000
nshdlh
expires:202608181600;;930615

nearshore marine forecast
national weather service duluth mn
500 am cdt tue aug 18 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.


lsz141-181600-
grand marais to taconite harbor mn-
500 am cdt tue aug 18 2026

.today...west wind 5 knots becoming southwest with gusts to
around 20 knots in the afternoon. mostly sunny. waves 1 foot or
less. 
.tonight...west wind 5 to 10 knots becoming northwest after
midnight. mostly clear. waves 1 foot or less. 
.wednesday...west wind 5 knots becoming southwest in the
afternoon. mostly sunny. waves 1 foot or less. 
.wednesday night...west wind 5 knots becoming northwest late in
the evening, then becoming variable 10 knots or less after
midnight. partly cloudy. waves 1 foot or less. 

$$

fzus53 kdlh 181000
nshdlh
expires:202608181600;;930616

nearshore marine forecast
national weather service duluth mn
500 am cdt tue aug 18 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.


lsz142-181600-
taconite harbor to silver bay harbor mn-
500 am cdt tue aug 18 2026

.today...west wind 5 knots becoming southwest in the afternoon.
mostly sunny. waves 1 foot or less. 
.tonight...northwest wind 5 knots. mostly clear. waves 1 foot or
less. 
.wednesday...northwest wind 5 knots becoming southwest in the
late morning and afternoon. sunny. waves 1 foot or less. 
.wednesday night...west wind 5 knots early in the evening
becoming variable 10 knots or less. partly cloudy. waves 1 foot
or less. 

$$

fzus53 kdlh 181000
nshdlh
expires:202608181600;;930617

nearshore marine forecast
national weather service duluth mn
500 am cdt tue aug 18 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.


lsz143-181600-
silver bay harbor to two harbors mn-
500 am cdt tue aug 18 2026

.today...west wind 5 knots becoming southwest in the afternoon.
mostly sunny. waves 1 foot or less. 
.tonight...northwest wind 5 knots. mostly clear. waves 1 foot or
less. 
.wednesday...northwest wind 5 knots becoming southwest in the
late morning and afternoon. sunny. waves 1 foot or less. 
.wednesday night...west wind 5 knots early in the evening
becoming variable 10 knots or less. partly cloudy. waves 1 foot
or less. 

$$

fzus53 kdlh 181000
nshdlh
expires:202608181600;;930618

nearshore marine forecast
national weather service duluth mn
500 am cdt tue aug 18 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.


lsz144-181600-
two harbors to duluth mn-
500 am cdt tue aug 18 2026

.today...northwest wind 5 knots becoming west in the afternoon.
mostly sunny. waves 1 foot or less. 
.tonight...northwest wind 5 to 10 knots. mostly clear. waves
1 foot or less. 
.wednesday...northwest wind 5 knots becoming west in the late
morning and afternoon. sunny. waves 1 foot or less. 
.wednesday night...west wind 5 knots becoming north late in the
evening, then becoming variable 10 knots or less after midnight
becoming northwest 5 knots early in the morning. slight chance of
rain showers after midnight. waves 1 foot or less. 

$$

fzus53 kdlh 181000
nshdlh
expires:202608181600;;930619

nearshore marine forecast
national weather service duluth mn
500 am cdt tue aug 18 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.


lsz145-181600-
duluth mn to port wing wi-
500 am cdt tue aug 18 2026

.today...northwest wind 5 knots becoming west in the afternoon.
mostly sunny. waves 1 foot or less. 
.tonight...west wind 5 to 10 knots. mostly clear. waves 1 foot or
less. 
.wednesday...west wind 5 knots. sunny. waves 1 foot or less. 
.wednesday night...west wind 5 knots becoming southeast late in
the evening, then becoming variable 10 knots or less after
midnight becoming southwest 5 knots early in the morning. slight
chance of rain showers after midnight. waves 1 foot or less. 

$$

fzus53 kmqt 180901
nshmqt
expires:202608182000;;928370

nearshore marine forecast
national weather service marquette mi
501 am edt tue aug 18 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.


lsz242-243-182000-
ontonagon to upper entrance of portage canal mi-
upper entrance of portage canal to eagle river mi-
501 am edt tue aug 18 2026

.early this morning...west wind 10 to 15 knots with gusts up to
23 knots. cloudy. waves 2 to 3 feet. 
.today...northwest wind 10 to 15 knots backing southwest late.
gusts up to 23 knots. mostly sunny. waves subsiding to 1 to
2 feet. 
.tonight...west wind 10 to 15 knots becoming 5 to 15 knots by
midnight. gusts up to 22 knots. mostly clear. waves building to
2 to 3 feet, then subsiding to 1 to 2 feet. 
.wednesday...west wind less than 10 knots. sunny. waves 1 to
2 feet. 
.wednesday night...south wind less than 10 knots. mostly clear.
waves calm to 1 foot. 

$$

fzus53 kmqt 180901
nshmqt
expires:202608182000;;928369

nearshore marine forecast
national weather service marquette mi
501 am edt tue aug 18 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.


lsz240-241-182000-
saxon harbor wi to black river mi-
black river to ontonagon mi-
501 am edt tue aug 18 2026 /401 am cdt tue aug 18 2026/

.early this morning...west wind 10 to 15 knots with gusts up to
22 knots. cloudy. waves 1 to 2 feet. 
.today...northwest wind 5 to 15 knots backing southwest less than
10 knots late. partly cloudy through mid morning then clearing.
waves 1 to 2 feet. 
.tonight...southwest wind less than 10 knots veering west by
midnight. clear. waves calm to 1 foot. 
.wednesday...west wind less than 10 knots. sunny. waves calm to
1 foot. 
.wednesday night...south wind less than 10 knots. mostly clear.
waves calm to 1 foot. 

$$