fzus53 kdlh 182321
nshdlh
expires:202608191000;;960755

nearshore marine forecast
national weather service duluth mn
621 pm 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.


lsz148-191000-
oak point to saxon harbor wi-
621 pm cdt tue aug 18 2026

.rest of tonight...west wind 5 to 10 knots. mostly clear. waves
1 foot or less. 
.wednesday...west wind 5 knots becoming north early in the
afternoon, then becoming east late in the afternoon. sunny. waves
1 foot or less. 
.wednesday night...southeast wind 5 knots becoming south in the
late evening and overnight. mostly clear. waves 1 foot or less. 
.thursday...south wind 5 knots becoming east in the afternoon.
slight chance of rain showers through the day. chance of
thunderstorms in the afternoon. waves 1 foot or less. 

$$

fzus53 kdlh 182321
nshdlh
expires:202608191000;;960751

nearshore marine forecast
national weather service duluth mn
621 pm 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.


lsz146-191000-
port wing to sand island wi-
621 pm cdt tue aug 18 2026

.rest of tonight...west wind 5 to 10 knots. mostly clear. waves
1 foot or less. 
.wednesday...southwest 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. 
.thursday...variable winds 10 knots or less becoming east 5 knots
in the afternoon. slight chance of rain showers in the morning,
then rain showers likely and chance of thunderstorms in the
afternoon. waves 1 foot or less. 

$$

fzus53 kdlh 182321
nshdlh
expires:202608191000;;960752

nearshore marine forecast
national weather service duluth mn
621 pm 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.


lsz147-191000-
sand island to bayfield wi-
621 pm cdt tue aug 18 2026

.rest of 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...variable winds 10 knots or less. partly
cloudy. waves 1 foot or less. 
.thursday...variable winds 10 knots or less becoming east 5 knots
in the late morning and afternoon. slight chance of rain showers
in the morning, then rain showers likely and chance of
thunderstorms in the afternoon. waves 1 foot or less. 

$$

fzus53 kdlh 182321
nshdlh
expires:202608191000;;960754

nearshore marine forecast
national weather service duluth mn
621 pm 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.


lsz121-191000-
chequamegon bay-bayfield to oak point wi-
621 pm cdt tue aug 18 2026

.rest of tonight...west wind 5 to 10 knots. mostly clear. waves
1 foot or less. 
.wednesday...west wind 5 knots becoming north late in the
afternoon. sunny. waves 1 foot or less. 
.wednesday night...east wind 5 knots early in the evening
becoming variable 10 knots or less, then becoming southwest
5 knots early in the morning. partly cloudy. waves 1 foot or
less. 
.thursday...variable winds 10 knots or less becoming south
5 knots late in the morning, then becoming east in the afternoon.
slight chance of rain showers in the morning, then rain showers
likely and chance of thunderstorms in the afternoon. waves 1 foot
or less. 

$$

fzus53 kdlh 182321
nshdlh
expires:202608191000;;960745

nearshore marine forecast
national weather service duluth mn
621 pm 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.


lsz140-191000-
grand portage to grand marais mn-
621 pm cdt tue aug 18 2026

...small craft advisory in effect until 7 pm cdt this evening...

.rest of tonight...west wind 10 to 15 knots with gusts to around
20 knots becoming northwest 5 to 10 knots after midnight. mostly
clear. waves 1 to 3 feet. 
.wednesday...northwest wind 5 to 10 knots becoming southwest
10 to 15 knots with gusts to around 20 knots in the late morning
and afternoon. mostly sunny. waves 1 to 2 feet. 
.wednesday night...southwest wind 5 to 10 knots becoming
northwest in the late evening and early morning, then becoming
north early in the morning. partly cloudy in the evening then
becoming mostly cloudy. waves 1 to 2 feet. 
.thursday...north wind 5 knots becoming southeast in the
afternoon. slight chance of rain showers in the afternoon. waves
1 foot or less. 

$$

fzus53 kdlh 182321
nshdlh
expires:202608191000;;960746

nearshore marine forecast
national weather service duluth mn
621 pm 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.


lsz141-191000-
grand marais to taconite harbor mn-
621 pm cdt tue aug 18 2026

.rest of tonight...west wind 5 to 10 knots with gusts to around
20 knots becoming northwest toward daybreak. mostly clear. waves
1 foot or less. 
.wednesday...northwest wind 5 knots becoming southwest in the
late morning and afternoon. mostly sunny. waves 1 foot or less. 
.wednesday night...southwest wind 5 knots becoming north in the
late evening and early morning, then becoming variable 10 knots
or less early in the morning. partly cloudy. waves 1 foot or
less. 
.thursday...variable winds 10 knots or less becoming east 5 knots
in the late morning and afternoon. chance of rain showers in the
afternoon. waves 1 foot or less. 

$$

fzus53 kdlh 182321
nshdlh
expires:202608191000;;960747

nearshore marine forecast
national weather service duluth mn
621 pm 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.


lsz142-191000-
taconite harbor to silver bay harbor mn-
621 pm cdt tue aug 18 2026

.rest of tonight...northwest wind 5 to 10 knots. mostly clear.
waves 1 foot or less. 
.wednesday...northwest wind 5 knots becoming southwest in the
late morning and afternoon. mostly 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. 
.thursday...variable winds 10 knots or less becoming east 5 knots
in the afternoon. slight chance of rain showers through the day.
slight chance of thunderstorms in the afternoon. waves 1 foot or
less. 

$$

fzus53 kdlh 182321
nshdlh
expires:202608191000;;960748

nearshore marine forecast
national weather service duluth mn
621 pm 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.


lsz143-191000-
silver bay harbor to two harbors mn-
621 pm cdt tue aug 18 2026

.rest of tonight...northwest wind 5 to 10 knots. mostly clear.
waves 1 foot or less. 
.wednesday...northwest wind 5 knots becoming southwest in the
late morning and afternoon. mostly sunny. waves 1 foot or less. 
.wednesday night...southwest wind 5 knots early in the evening
becoming variable 10 knots or less. partly cloudy in the evening
then becoming mostly cloudy. waves 1 foot or less. 
.thursday...variable winds 10 knots or less becoming east 5 to
10 knots in the afternoon. slight chance of rain showers in the
morning, then rain showers likely and slight chance of
thunderstorms in the afternoon. waves 1 foot or less. 

$$

fzus53 kdlh 182321
nshdlh
expires:202608191000;;960749

nearshore marine forecast
national weather service duluth mn
621 pm 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.


lsz144-191000-
two harbors to duluth mn-
621 pm cdt tue aug 18 2026

.rest of tonight...northwest wind 5 to 10 knots. mostly clear.
waves 1 foot or less. 
.wednesday...west wind 5 knots becoming southwest 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 northeast 5 knots early in the morning. partly cloudy.
waves 1 foot or less. 
.thursday...east wind 5 to 10 knots. chance of rain showers in
the morning, then rain showers likely and chance of thunderstorms
in the afternoon. waves 1 foot or less. 

$$

fzus53 kdlh 182321
nshdlh
expires:202608191000;;960750

nearshore marine forecast
national weather service duluth mn
621 pm 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.


lsz145-191000-
duluth mn to port wing wi-
621 pm cdt tue aug 18 2026

.rest of tonight...northwest wind 5 to 10 knots becoming west
toward daybreak. mostly clear. waves 1 foot or less. 
.wednesday...west wind 5 to 10 knots. sunny. waves 1 foot or
less. 
.wednesday night...west wind 5 knots becoming south late in the
evening, then becoming variable 10 knots or less after midnight
becoming south 5 knots early in the morning. mostly clear. waves
1 foot or less. 
.thursday...south wind 5 knots becoming east in the afternoon.
chance of rain showers in the morning, then rain showers likely
and chance of thunderstorms in the afternoon. waves 1 foot or
less. 

$$

fzus53 kmqt 182102
nshmqt
expires:202608190800;;955263

nearshore marine forecast
national weather service marquette mi
501 pm 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.


lsz242-243-190800-
ontonagon to upper entrance of portage canal mi-
upper entrance of portage canal to eagle river mi-
502 pm edt tue aug 18 2026

.late this afternoon...southwest wind 10 to 15 knots with gusts
up to 24 knots. sunny. waves 1 to 2 feet. 
.tonight...west wind 10 to 15 knots veering northwest 5 to
15 knots by midnight. gusts up to 23 knots. clear. waves building
to 2 to 3 feet, then subsiding to 1 to 2 feet. 
.wednesday...northwest wind less than 10 knots backing southwest
late. sunny. waves 1 to 2 feet. 
.wednesday night...south wind less than 10 knots. mostly clear.
waves calm to 1 foot. 
.thursday...southwest wind less than 10 knots backing northeast
in the afternoon. partly cloudy. a slight chance of showers in
the afternoon. waves calm to 1 foot. 

$$

fzus53 kmqt 182102
nshmqt
expires:202608190800;;955262

nearshore marine forecast
national weather service marquette mi
501 pm 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.


lsz240-241-190800-
saxon harbor wi to black river mi-
black river to ontonagon mi-
502 pm edt tue aug 18 2026 /402 pm cdt tue aug 18 2026/

.late this afternoon...southwest wind less than 10 knots with
gusts up to 19 knots. sunny. waves calm to 1 foot. 
.tonight...west wind less than 10 knots. clear. waves calm to
1 foot. 
.wednesday...west wind less than 10 knots backing southwest late.
sunny. waves calm to 1 foot. 
.wednesday night...variable wind less than 10 knots. clear in the
evening then becoming partly cloudy. waves calm to 1 foot. 
.thursday...variable wind less than 10 knots becoming east less
than 10 knots in the afternoon. partly cloudy. a slight chance of
showers in the morning, then a chance of showers and a slight
chance of thunderstorms in the afternoon. waves calm to 1 foot. 

$$