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(1/12)
Latest Nearshore Marine Forecast by KDLH
Issued 7/21/2026 12:01 PM US/Central.
Valid through 7/21/2026 5:00 PM US/Central.
fzus53 kdlh 211701
nshdlh
expires:202607212200;;356883
nearshore marine forecast
national weather service duluth mn
1200 pm cdt tue jul 21 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.
lsz148-212200-
oak point to saxon harbor wi-
1200 pm cdt tue jul 21 2026
...small craft advisory in effect until 7 pm cdt this evening...
.rest of today...north wind 15 to 20 knots. gusts up to 30 knots
decreasing to 25 knots late. chance of sprinkles early in the
afternoon. waves 1 to 3 feet.
.tonight...northwest wind 5 to 10 knots with gusts to around
20 knots easing to 5 knots early in the morning. partly cloudy.
waves 1 to 2 feet.
.wednesday...northwest wind 5 knots becoming southeast late in
the afternoon. sunny. waves 1 foot or less.
.wednesday night...south wind 5 to 10 knots becoming southwest
early in the morning. mostly clear. waves 1 foot or less.
$$
(2/12)
Latest Nearshore Marine Forecast by KDLH
Issued 7/21/2026 12:01 PM US/Central.
Valid through 7/21/2026 5:00 PM US/Central.
fzus53 kdlh 211701
nshdlh
expires:202607212200;;356879
nearshore marine forecast
national weather service duluth mn
1200 pm cdt tue jul 21 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz146-212200-
port wing to sand island wi-
1200 pm cdt tue jul 21 2026
...small craft advisory in effect until 4 pm cdt this afternoon...
.rest of today...north wind 5 to 10 knots with gusts to around
20 knots. chance of sprinkles late. waves 1 to 2 feet.
.tonight...north wind 5 to 10 knots becoming northwest after
midnight. partly cloudy. waves 1 foot or less.
.wednesday...west wind 5 knots becoming southwest in the
afternoon. sunny. waves 1 foot or less.
.wednesday night...southwest wind 5 knots. mostly clear. waves
1 foot or less.
$$
(3/12)
Latest Nearshore Marine Forecast by KDLH
Issued 7/21/2026 12:01 PM US/Central.
Valid through 7/21/2026 5:00 PM US/Central.
fzus53 kdlh 211701
nshdlh
expires:202607212200;;356880
nearshore marine forecast
national weather service duluth mn
1200 pm cdt tue jul 21 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.
lsz147-212200-
sand island to bayfield wi-
1200 pm cdt tue jul 21 2026
...small craft advisory in effect until 7 pm cdt this evening...
.rest of today...north wind 10 to 15 knots with gusts to around
25 knots. chance of sprinkles late. waves 1 to 2 feet.
.tonight...northwest wind 5 to 10 knots easing to 5 knots early
in the morning. partly cloudy. waves 1 foot or less.
.wednesday...west wind 5 knots becoming southwest late in the
afternoon. sunny. waves 1 foot or less.
.wednesday night...southwest wind 5 knots. mostly clear. waves
1 foot or less.
$$
(4/12)
Latest Nearshore Marine Forecast by KDLH
Issued 7/21/2026 12:01 PM US/Central.
Valid through 7/21/2026 5:00 PM US/Central.
fzus53 kdlh 211701
nshdlh
expires:202607212200;;356882
nearshore marine forecast
national weather service duluth mn
1200 pm cdt tue jul 21 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz121-212200-
chequamegon bay-bayfield to oak point wi-
1200 pm cdt tue jul 21 2026
...small craft advisory in effect until 7 pm cdt this evening...
.rest of today...north wind 10 to 15 knots with gusts to around
25 knots. chance of sprinkles. waves 1 to 2 feet.
.tonight...north wind 5 to 10 knots with gusts to around 20 knots
becoming northwest after midnight. partly cloudy. waves 1 foot or
less.
.wednesday...northwest wind 5 knots. sunny. waves 1 foot or less.
.wednesday night...southwest wind 5 to 10 knots. mostly clear.
waves 1 foot or less.
$$
(5/12)
Latest Nearshore Marine Forecast by KDLH
Issued 7/21/2026 12:01 PM US/Central.
Valid through 7/21/2026 5:00 PM US/Central.
fzus53 kdlh 211701
nshdlh
expires:202607212200;;356873
nearshore marine forecast
national weather service duluth mn
1200 pm cdt tue jul 21 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.
lsz140-212200-
grand portage to grand marais mn-
1200 pm cdt tue jul 21 2026
...small craft advisory in effect until 7 pm cdt this evening...
.rest of today...north wind 10 to 15 knots with gusts to around
25 knots. chance of sprinkles through the day. waves 1 to 3 feet
subsiding to 1 to 2 feet late.
.tonight...northwest wind 10 to 15 knots. gusts up to 20 knots
early in the evening then 20 knots after midnight. mostly clear.
waves 1 to 2 feet.
.wednesday...northwest wind 5 to 10 knots becoming southwest
10 to 15 knots with gusts to around 25 knots in the afternoon.
mostly sunny. waves 1 to 2 feet building to 1 to 3 feet late in
the afternoon.
.wednesday night...west wind 10 to 15 knots. gusts up to
25 knots. mostly clear. waves 1 to 3 feet.
$$
(6/12)
Latest Nearshore Marine Forecast by KDLH
Issued 7/21/2026 12:01 PM US/Central.
Valid through 7/21/2026 5:00 PM US/Central.
fzus53 kdlh 211701
nshdlh
expires:202607212200;;356874
nearshore marine forecast
national weather service duluth mn
1200 pm cdt tue jul 21 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz141-212200-
grand marais to taconite harbor mn-
1200 pm cdt tue jul 21 2026
...small craft advisory in effect until 7 pm cdt this evening...
.rest of today...north wind 10 to 15 knots with gusts to around
25 knots. chance of sprinkles through the day. waves 1 to 2 feet.
.tonight...northwest wind 5 to 10 knots. gusts up to 20 knots
early in the evening. mostly clear. waves 1 foot or less.
.wednesday...northwest wind 5 to 10 knots becoming southwest
10 to 15 knots with gusts to around 20 knots in the afternoon.
mostly sunny. waves 1 to 2 feet.
.wednesday night...west wind 5 to 10 knots. gusts up to 20 knots
early in the evening. partly cloudy. waves 1 to 2 feet.
$$
(7/12)
Latest Nearshore Marine Forecast by KDLH
Issued 7/21/2026 12:01 PM US/Central.
Valid through 7/21/2026 5:00 PM US/Central.
fzus53 kdlh 211701
nshdlh
expires:202607212200;;356875
nearshore marine forecast
national weather service duluth mn
1200 pm cdt tue jul 21 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.
lsz142-212200-
taconite harbor to silver bay harbor mn-
1200 pm cdt tue jul 21 2026
...small craft advisory in effect until 4 pm cdt this afternoon...
.rest of today...north wind 5 to 10 knots. gusts up to 25 knots
decreasing to 20 knots late. chance of sprinkles through the day.
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
afternoon. mostly sunny. waves 1 foot or less.
.wednesday night...southwest wind 5 knots becoming west after
midnight. partly cloudy. waves 1 foot or less.
$$
(8/12)
Latest Nearshore Marine Forecast by KDLH
Issued 7/21/2026 12:01 PM US/Central.
Valid through 7/21/2026 5:00 PM US/Central.
fzus53 kdlh 211701
nshdlh
expires:202607212200;;356876
nearshore marine forecast
national weather service duluth mn
1200 pm cdt tue jul 21 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz143-212200-
silver bay harbor to two harbors mn-
1200 pm cdt tue jul 21 2026
...small craft advisory in effect until 4 pm cdt this afternoon...
.rest of today...north wind 5 to 10 knots with gusts to around
20 knots. chance of sprinkles. waves 1 foot or less.
.tonight...northwest wind 5 to 10 knots easing to 5 knots early
in the morning. partly cloudy. waves 1 foot or less.
.wednesday...northwest wind 5 knots becoming southwest in the
afternoon. mostly sunny. waves 1 foot or less.
.wednesday night...southwest wind 5 knots. mostly clear. waves
1 foot or less.
$$
(9/12)
Latest Nearshore Marine Forecast by KDLH
Issued 7/21/2026 12:01 PM US/Central.
Valid through 7/21/2026 5:00 PM US/Central.
fzus53 kdlh 211701
nshdlh
expires:202607212200;;356877
nearshore marine forecast
national weather service duluth mn
1200 pm cdt tue jul 21 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.
lsz144-212200-
two harbors to duluth mn-
1200 pm cdt tue jul 21 2026
...small craft advisory in effect until 4 pm cdt this afternoon...
.rest of today...north wind 10 to 15 knots with gusts to around
20 knots. chance of sprinkles. waves 1 to 2 feet.
.tonight...north wind 5 to 10 knots with gusts to around 20 knots
becoming northwest early in the morning. partly cloudy. waves
1 foot or less.
.wednesday...west wind 5 knots becoming southwest in the
afternoon. mostly sunny. waves 1 foot or less.
.wednesday night...southwest wind 5 knots. mostly clear. waves
1 foot or less.
$$
(10/12)
Latest Nearshore Marine Forecast by KDLH
Issued 7/21/2026 12:01 PM US/Central.
Valid through 7/21/2026 5:00 PM US/Central.
fzus53 kdlh 211701
nshdlh
expires:202607212200;;356878
nearshore marine forecast
national weather service duluth mn
1200 pm cdt tue jul 21 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz145-212200-
duluth mn to port wing wi-
1200 pm cdt tue jul 21 2026
...small craft advisory in effect until 4 pm cdt this afternoon...
.rest of today...north wind 15 to 20 knots. gusts up to 25 knots
decreasing to 20 knots late. chance of sprinkles. waves 1 to
3 feet.
.tonight...north wind 5 to 10 knots with gusts to around 20 knots
becoming northwest after midnight. partly cloudy. waves 1 to
2 feet.
.wednesday...west wind 5 to 10 knots becoming southwest late in
the afternoon. sunny. waves 1 foot or less.
.wednesday night...southwest wind 5 to 10 knots. mostly clear.
waves 1 foot or less.
$$
(11/12)
Latest Nearshore Marine Forecast by KMQT
Issued 7/21/2026 11:01 AM America/New_York.
Valid through 7/21/2026 4:00 PM America/New_York.
fzus53 kmqt 211501
nshmqt
expires:202607212000;;352536
nearshore marine forecast
national weather service marquette mi
1101 am edt tue jul 21 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.
lsz242-243-212000-
ontonagon to upper entrance of portage canal mi-
upper entrance of portage canal to eagle river mi-
1101 am edt tue jul 21 2026
...small craft advisory in effect until 11 pm edt this evening...
.rest of today...north wind 15 to 20 knots with gusts up to
30 knots. mostly cloudy. a slight chance of showers by late
morning. waves 3 to 5 feet occasionally to 7 feet subsiding to
2 to 4 feet.
.tonight...northwest wind 10 to 15 knots with gusts up to
22 knots. mostly clear. waves subsiding to 1 to 2 feet.
.wednesday...northwest wind 10 to 15 knots backing west in the
afternoon. sunny. waves 1 to 2 feet.
.wednesday night...southwest wind 10 to 15 knots. clear. waves
1 to 2 feet.
$$
(12/12)
Latest Nearshore Marine Forecast by KMQT
Issued 7/21/2026 11:01 AM America/New_York.
Valid through 7/21/2026 4:00 PM America/New_York.
fzus53 kmqt 211501
nshmqt
expires:202607212000;;352535
nearshore marine forecast
national weather service marquette mi
1101 am edt tue jul 21 2026
for waters within five nautical miles of shore
waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.
lsz240-241-212000-
saxon harbor wi to black river mi-
black river to ontonagon mi-
1101 am edt tue jul 21 2026 /1001 am cdt tue jul 21 2026/
...small craft advisory in effect until 8 pm edt /7 pm cdt/ this
evening...
.rest of today...northwest wind 10 to 20 knots with gusts up to
28 knots. mostly cloudy. waves 3 to 5 feet occasionally to 7 feet
subsiding to 2 to 3 feet.
.tonight...northwest wind 5 to 15 knots. mostly clear. waves
subsiding to 1 to 2 feet.
.wednesday...northwest wind less than 10 knots backing west in
the afternoon. sunny. waves 1 to 2 feet.
.wednesday night...southwest wind less than 10 knots with gusts
up to 18 knots. clear. waves calm to 1 foot.
$$
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