fzus53 kdlh 201137
nshdlh
expires:202608201600;;047303

nearshore marine forecast
national weather service duluth mn
637 am cdt thu aug 20 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.


lsz142-201600-
taconite harbor to silver bay harbor mn-
637 am cdt thu aug 20 2026

.today...northeast wind 5 knots becoming southeast in the late
morning and early afternoon, then becoming northeast late in the
afternoon. rain showers in the morning, then rain showers likely
and chance of thunderstorms in the afternoon. waves 1 foot or
less. 
.tonight...northeast wind 5 knots until early morning becoming
variable 10 knots or less. chance of showers and thunderstorms in
the evening. patchy fog after midnight. waves 1 foot or less. 
.friday...variable winds 10 knots or less becoming north 5 knots
late in the morning, then becoming southwest in the afternoon.
patchy fog in the morning. waves 1 foot or less. 
.friday night...west wind 5 knots becoming northwest after
midnight. partly cloudy. waves 1 foot or less. 

$$

fzus53 kdlh 201137
nshdlh
expires:202608201600;;047304

nearshore marine forecast
national weather service duluth mn
637 am cdt thu aug 20 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.


lsz143-201600-
silver bay harbor to two harbors mn-
637 am cdt thu aug 20 2026

.today...northeast wind 5 knots becoming east in the late morning
and early afternoon, then becoming northeast late in the
afternoon. rain showers likely early in the morning, then rain
showers and slight chance of thunderstorms late in the morning.
rain showers likely and chance of thunderstorms in the afternoon.
waves 1 foot or less. 
.tonight...northeast wind 5 knots. chance of showers and
thunderstorms in the evening. patchy fog after midnight. waves
1 foot or less. 
.friday...north wind 5 knots early in the morning becoming
variable 10 knots or less, then becoming south 5 knots in the
afternoon. patchy fog in the morning. waves 1 foot or less. 
.friday night...southwest wind 5 knots becoming northwest in the
late evening and overnight. partly cloudy. waves 1 foot or less. 

$$

fzus53 kdlh 201137
nshdlh
expires:202608201600;;047305

nearshore marine forecast
national weather service duluth mn
637 am cdt thu aug 20 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.


lsz144-201600-
two harbors to duluth mn-
637 am cdt thu aug 20 2026

.today...south wind 5 knots becoming east in the late morning and
afternoon. rain showers likely through the day. slight chance of
thunderstorms late in the morning, then chance of thunderstorms
in the afternoon. waves 1 foot or less. 
.tonight...northeast wind 5 to 10 knots. rain showers likely and
chance of thunderstorms in the evening. waves 1 foot or less. 
.friday...north wind 5 knots becoming northwest in the afternoon.
slight chance of rain showers in the morning. waves 1 foot or
less. 
.friday night...northwest wind 5 to 10 knots. partly cloudy.
waves 1 foot or less. 

$$

fzus53 kdlh 201137
nshdlh
expires:202608201600;;047306

nearshore marine forecast
national weather service duluth mn
637 am cdt thu aug 20 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.


lsz145-201600-
duluth mn to port wing wi-
637 am cdt thu aug 20 2026

.today...south wind 5 to 10 knots becoming northeast late in the
afternoon. slight chance of thunderstorms in the morning. rain
showers likely through the day. chance of thunderstorms in the
afternoon. waves 1 foot or less. 
.tonight...northeast wind 5 to 10 knots. rain showers likely and
chance of thunderstorms in the evening. waves 1 foot or less. 
.friday...north wind 5 knots becoming northwest in the afternoon.
mostly cloudy in the morning then becoming mostly sunny. waves
1 foot or less. 
.friday night...west wind 5 to 10 knots. partly cloudy. waves
1 foot or less. 

$$

fzus53 kdlh 201137
nshdlh
expires:202608201600;;047307

nearshore marine forecast
national weather service duluth mn
637 am cdt thu aug 20 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.


lsz146-201600-
port wing to sand island wi-
637 am cdt thu aug 20 2026

.today...south wind 5 knots becoming northeast late in the
afternoon. slight chance of thunderstorms in the morning. rain
showers likely through the day. chance of thunderstorms in the
afternoon. waves 1 foot or less. 
.tonight...northeast wind 5 knots. showers likely and chance of
thunderstorms in the evening. waves 1 foot or less. 
.friday...north wind 5 knots in the morning becoming variable
10 knots or less, then becoming west 5 knots late in the
afternoon. mostly cloudy in the morning then becoming mostly
sunny. waves 1 foot or less. 
.friday night...southwest wind 5 knots becoming west early in the
morning. partly cloudy. waves 1 foot or less. 

$$