fzus53 kdlh 190701
nshdlh
expires:202512191700;;843984

nearshore marine forecast
national weather service duluth mn
101 am cst fri dec 19 2025

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.


lsz142-191700-
taconite harbor to silver bay harbor mn-
101 am cst fri dec 19 2025

...gale warning in effect until 4 am cst early this morning...
...gale watch in effect from saturday morning through late
saturday night...

.today...northwest wind 15 to 20 knots with gusts to around
25 knots becoming north 5 knots early in the afternoon, then
becoming south late in the afternoon. chance of snow late in the
afternoon. waves 1 to 2 feet. 
.tonight...south wind 15 to 20 knots becoming southwest after
midnight. gusts up to 25 knots. snow likely in the evening, then
chance of snow after midnight. waves 1 to 2 feet building to 1 to
3 feet early in the morning. 
.saturday...west wind 20 to 25 knots. gusts up to 30 knots
increasing to 35 knots early in the afternoon, then decreasing to
30 knots late in the afternoon. slight chance of snow in the
morning. waves 2 to 4 feet. a gale warning may be needed. 
.saturday night...northwest wind 15 to 20 knots. gusts up to
35 knots decreasing to 25 knots. partly cloudy. waves 1 to
3 feet. a gale warning may be needed. 

$$

fzus53 kdlh 190701
nshdlh
expires:202512191700;;843985

nearshore marine forecast
national weather service duluth mn
101 am cst fri dec 19 2025

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.


lsz143-191700-
silver bay harbor to two harbors mn-
101 am cst fri dec 19 2025

...gale warning in effect until 4 am cst early this morning...
...gale watch in effect from saturday morning through late
saturday night...

.today...northwest wind 10 to 15 knots with gusts to around
20 knots becoming west 5 knots early in the afternoon, then
becoming south late in the afternoon. chance of snow late in the
afternoon. waves 1 to 2 feet. 
.tonight...south wind 15 to 20 knots with gusts to around
25 knots becoming southwest 20 to 25 knots after midnight. snow
likely. waves 1 to 3 feet building to 2 to 4 feet after midnight.
a small craft advisory may be needed. 
.saturday...west wind 20 to 25 knots. gusts up to 30 knots
increasing to 35 knots in the afternoon. partly sunny. waves 3 to
5 feet. a gale warning may be needed. 
.saturday night...west wind 20 to 25 knots with gusts to around
30 knots easing to 10 to 15 knots with gusts to around 30 knots
after midnight. mostly cloudy in the evening then clearing. waves
2 to 4 feet subsiding to 1 to 2 feet after midnight. a small
craft advisory may be needed. 

$$

fzus53 kdlh 190701
nshdlh
expires:202512191700;;843986

nearshore marine forecast
national weather service duluth mn
101 am cst fri dec 19 2025

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.


lsz144-191700-
two harbors to duluth mn-
101 am cst fri dec 19 2025

...gale warning in effect until 4 am cst early this morning...
...gale watch in effect from saturday morning through late
saturday night...

.today...northwest wind 10 to 15 knots with gusts to around
20 knots becoming west 5 to 10 knots late in the morning, then
becoming south in the afternoon. chance of snow late in the
afternoon. waves 1 to 2 feet. 
.tonight...south wind 15 to 20 knots with gusts to around
25 knots becoming southwest 20 to 25 knots after midnight. snow
likely. waves 1 to 3 feet building to 2 to 4 feet after midnight.
a small craft advisory may be needed. 
.saturday...west wind up to 30 knots. gusts up to 30 knots
increasing to 35 knots in the afternoon. partly sunny. waves 4 to
6 feet. waves occasionally to 7 feet. a gale warning may be
needed. 
.saturday night...west wind 20 to 25 knots with gusts to around
30 knots easing to 10 to 15 knots with gusts to around 20 knots
early in the morning. partly cloudy. waves 4 to 6 feet subsiding
to 1 to 2 feet. waves occasionally to 7 feet. a small craft
advisory may be needed. 

$$

fzus53 kdlh 190701
nshdlh
expires:202512191700;;843987

nearshore marine forecast
national weather service duluth mn
101 am cst fri dec 19 2025

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.


lsz145-191700-
duluth mn to port wing wi-
101 am cst fri dec 19 2025

...gale warning in effect until 4 am cst early this morning...
...heavy freezing spray warning in effect until 7 am cst this
morning...
...gale watch in effect from saturday morning through late
saturday night...

.today...northwest wind 10 to 15 knots becoming south 5 to
10 knots in the afternoon. chance of snow late in the afternoon.
waves 1 to 3 feet subsiding to 1 to 2 feet in the late morning
and afternoon. 
.tonight...south wind 15 to 20 knots with gusts to around
25 knots becoming southwest 20 to 25 knots after midnight. snow
likely. waves 1 to 3 feet building to 2 to 4 feet after midnight.
a small craft advisory may be needed. 
.saturday...west wind up to 30 knots. gusts up to 35 knots in the
afternoon. heavy freezing spray. waves 5 to 8 feet. waves
occasionally to 10 feet. a gale warning may be needed. 
.saturday night...west wind up to 30 knots with gales to around
35 knots easing to 15 to 20 knots with gusts to around 25 knots
after midnight. heavy freezing spray in the evening. waves 5 to
8 feet subsiding to 3 to 5 feet after midnight. waves
occasionally to 10 feet. a gale warning may be needed. 

$$

fzus53 kdlh 190701
nshdlh
expires:202512191700;;843988

nearshore marine forecast
national weather service duluth mn
101 am cst fri dec 19 2025

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.


lsz146-191700-
port wing to sand island wi-
101 am cst fri dec 19 2025

...gale warning in effect until 4 am cst early this morning...
...heavy freezing spray warning in effect until 7 am cst this
morning...
...gale watch in effect from saturday morning through late
saturday night...

.today...northwest wind 15 to 20 knots easing to 5 to 10 knots
late in the morning, then becoming southwest early in the
afternoon becoming south late in the afternoon. slight chance of
snow late in the afternoon. waves 2 to 4 feet subsiding to 1 to
2 feet in the late morning and afternoon. 
.tonight...south wind 15 to 20 knots with gusts to around
25 knots becoming southwest 20 to 25 knots after midnight. snow
likely. waves 1 to 3 feet building to 2 to 4 feet early in the
morning. a small craft advisory may be needed. 
.saturday...west wind up to 30 knots. gales up to 40 knots.
slight chance of snow in the morning. heavy freezing spray
through the day. waves 5 to 8 feet. waves occasionally to
11 feet. a gale warning may be needed. 
.saturday night...west wind up to 30 knots with gales to around
40 knots easing to 5 to 15 knots with gusts to around 25 knots.
heavy freezing spray in the evening. waves 5 to 8 feet subsiding
to 3 to 5 feet after midnight. waves occasionally to 10 feet. a
gale warning may be needed. 

$$