(1/13)
Latest Nearshore Marine Forecast by KDLH
Issued 5/12/2026 9:54 AM US/Central.
Valid through 5/12/2026 5:00 PM US/Central.
fzus53 kdlh 121454
nshdlh
expires:202605122200;;439607
nearshore marine forecast
national weather service duluth mn
953 am cdt tue may 12 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.
lsz121-122200-
chequamegon bay-bayfield to oak point wi-
953 am cdt tue may 12 2026
.rest of today...south wind 5 to 10 knots becoming northwest in
the afternoon. gusts up to 20 knots. chance of rain showers.
waves 1 foot or less.
.tonight...northwest wind 5 to 10 knots. chance of rain showers
in the evening, then slight chance of rain showers after
midnight. waves 1 foot or less.
.wednesday...northwest wind 5 to 10 knots becoming north in the
afternoon. mostly sunny. waves 1 foot or less.
.wednesday night...northeast wind 5 knots early in the evening
becoming variable 10 knots or less, then becoming south 5 knots
early in the morning. mostly clear. waves 1 foot or less.
$$
(2/13)
Latest Nearshore Marine Forecast by KDLH
Issued 5/12/2026 9:54 AM US/Central.
Valid through 5/12/2026 5:00 PM US/Central.
fzus53 kdlh 121454
nshdlh
expires:202605122200;;439598
nearshore marine forecast
national weather service duluth mn
953 am cdt tue may 12 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz140-122200-
grand portage to grand marais mn-
953 am cdt tue may 12 2026
...small craft advisory in effect through this evening...
.rest of today...east wind 10 to 15 knots with gusts to around
25 knots becoming northeast 15 to 20 knots late. patchy fog in
the late morning and early afternoon. rain showers likely late in
the morning. chance of rain showers in the afternoon. waves 3 to
5 feet.
.tonight...north wind 15 to 20 knots. gusts up to 25 knots
decreasing to 20 knots after midnight. chance of rain showers in
the evening. waves 2 to 4 feet subsiding to 1 to 2 feet early in
the morning.
.wednesday...northwest wind 10 to 15 knots. gusts up to 20 knots
early in the morning. mostly sunny. waves 1 to 2 feet.
.wednesday night...north wind 5 to 10 knots becoming northeast
early in the morning. mostly clear. waves 1 foot or less.
$$
(3/13)
Latest Nearshore Marine Forecast by KDLH
Issued 5/12/2026 9:54 AM US/Central.
Valid through 5/12/2026 5:00 PM US/Central.
fzus53 kdlh 121454
nshdlh
expires:202605122200;;439599
nearshore marine forecast
national weather service duluth mn
953 am cdt tue may 12 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.
lsz141-122200-
grand marais to taconite harbor mn-
953 am cdt tue may 12 2026
...small craft advisory in effect through this evening...
.rest of today...east wind 10 to 15 knots becoming north 5 to
10 knots late. gusts up to 20 knots. chance of rain showers.
waves 2 to 4 feet.
.tonight...north wind 5 to 10 knots. gusts up to 20 knots early
in the evening. chance of rain showers in the evening. waves 1 to
3 feet subsiding to 1 to 2 feet in the late evening and
overnight.
.wednesday...northwest wind 5 to 10 knots. sunny. waves 1 to
2 feet.
.wednesday night...north wind 5 knots early in the evening
becoming variable 10 knots or less, then becoming north 5 knots
after midnight becoming variable 10 knots or less. mostly clear.
waves 1 foot or less.
$$
(4/13)
Latest Nearshore Marine Forecast by KDLH
Issued 5/12/2026 9:54 AM US/Central.
Valid through 5/12/2026 5:00 PM US/Central.
fzus53 kdlh 121454
nshdlh
expires:202605122200;;439600
nearshore marine forecast
national weather service duluth mn
953 am cdt tue may 12 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz142-122200-
taconite harbor to silver bay harbor mn-
953 am cdt tue may 12 2026
.rest of today...northeast wind 5 to 10 knots with gusts to
around 20 knots becoming north late. chance of rain showers.
waves 1 to 3 feet.
.tonight...north wind 5 knots. chance of rain showers in the
evening. waves 1 to 2 feet.
.wednesday...northwest wind 5 knots. sunny. waves 1 foot or less.
.wednesday night...north wind 5 knots early in the evening
becoming variable 10 knots or less. mostly clear. waves 1 foot or
less.
$$
(5/13)
Latest Nearshore Marine Forecast by KDLH
Issued 5/12/2026 9:54 AM US/Central.
Valid through 5/12/2026 5:00 PM US/Central.
fzus53 kdlh 121454
nshdlh
expires:202605122200;;439601
nearshore marine forecast
national weather service duluth mn
953 am cdt tue may 12 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.
lsz143-122200-
silver bay harbor to two harbors mn-
953 am cdt tue may 12 2026
...small craft advisory in effect until 7 pm cdt this evening...
.rest of today...northeast wind 10 to 15 knots becoming north
5 to 10 knots late. chance of rain showers. waves 1 to 2 feet.
.tonight...northwest wind 5 knots. chance of rain showers in the
evening. waves 1 to 2 feet.
.wednesday...northwest wind 5 knots becoming west late in the
afternoon. sunny. waves 1 foot or less.
.wednesday night...variable winds 10 knots or less. mostly clear.
waves 1 foot or less.
$$
(6/13)
Latest Nearshore Marine Forecast by KDLH
Issued 5/12/2026 9:54 AM US/Central.
Valid through 5/12/2026 5:00 PM US/Central.
fzus53 kdlh 121454
nshdlh
expires:202605122200;;439602
nearshore marine forecast
national weather service duluth mn
953 am cdt tue may 12 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz144-122200-
two harbors to duluth mn-
953 am cdt tue may 12 2026
...small craft advisory in effect until 7 pm cdt this evening...
.rest of today...northeast wind 10 to 15 knots with gusts to
around 20 knots becoming northwest with gusts to around 20 knots
in the afternoon. slight chance of rain showers late in the
morning, then chance of rain showers in the afternoon. waves 1 to
2 feet.
.tonight...northwest wind 10 to 15 knots. gusts up to 20 knots in
the evening. chance of rain showers in the evening. waves 1 foot
or less.
.wednesday...northwest wind 5 to 10 knots becoming northeast late
in the afternoon. sunny. waves 1 foot or less.
.wednesday night...northeast wind 5 knots. mostly clear. waves
1 foot or less.
$$
(7/13)
Latest Nearshore Marine Forecast by KDLH
Issued 5/12/2026 9:54 AM US/Central.
Valid through 5/12/2026 5:00 PM US/Central.
fzus53 kdlh 121454
nshdlh
expires:202605122200;;439603
nearshore marine forecast
national weather service duluth mn
953 am cdt tue may 12 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.
lsz145-122200-
duluth mn to port wing wi-
953 am cdt tue may 12 2026
...small craft advisory in effect until 7 pm cdt this evening...
.rest of today...northeast wind 15 to 20 knots becoming northwest
10 to 15 knots in the afternoon. slight chance of rain showers
late in the morning, then chance of rain showers in the
afternoon. waves 1 to 2 feet.
.tonight...northwest wind 10 to 15 knots. gusts up to 20 knots in
the evening. chance of rain showers in the evening. waves 1 to
2 feet.
.wednesday...northwest wind 5 to 10 knots becoming northeast late
in the afternoon. mostly sunny. waves 1 foot or less.
.wednesday night...east wind 5 knots. mostly clear. waves 1 foot
or less.
$$
(8/13)
Latest Nearshore Marine Forecast by KDLH
Issued 5/12/2026 9:54 AM US/Central.
Valid through 5/12/2026 5:00 PM US/Central.
fzus53 kdlh 121454
nshdlh
expires:202605122200;;439604
nearshore marine forecast
national weather service duluth mn
953 am cdt tue may 12 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz146-122200-
port wing to sand island wi-
953 am cdt tue may 12 2026
...small craft advisory in effect until 7 pm cdt this evening...
.rest of today...east wind 5 to 10 knots becoming north in the
afternoon. slight chance of rain showers late in the morning,
then chance of rain showers in the afternoon. waves 1 foot or
less.
.tonight...northwest wind 5 to 10 knots. chance of rain showers
in the evening, then slight chance of rain showers after
midnight. waves 1 foot or less.
.wednesday...west wind 5 knots. mostly sunny. waves 1 foot or
less.
.wednesday night...east wind 5 knots in the evening becoming
variable 10 knots or less. mostly clear. waves 1 foot or less.
$$
(9/13)
Latest Nearshore Marine Forecast by KDLH
Issued 5/12/2026 9:54 AM US/Central.
Valid through 5/12/2026 5:00 PM US/Central.
fzus53 kdlh 121454
nshdlh
expires:202605122200;;439605
nearshore marine forecast
national weather service duluth mn
953 am cdt tue may 12 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.
lsz147-122200-
sand island to bayfield wi-
953 am cdt tue may 12 2026
.rest of today...east wind 5 to 10 knots becoming north in the
afternoon. chance of rain showers in the late morning and early
afternoon, then rain showers likely late. waves 1 foot or less.
.tonight...northwest wind 5 to 10 knots. chance of rain showers
in the evening, then slight chance of rain showers after
midnight. waves 1 foot or less.
.wednesday...northwest wind 5 knots. sunny. waves 1 foot or less.
.wednesday night...southeast wind 5 knots early in the evening
becoming variable 10 knots or less, then becoming southeast
5 knots early in the morning. mostly clear. waves 1 foot or less.
$$
(10/13)
Latest Nearshore Marine Forecast by KDLH
Issued 5/12/2026 9:54 AM US/Central.
Valid through 5/12/2026 5:00 PM US/Central.
fzus53 kdlh 121454
nshdlh
expires:202605122200;;439608
nearshore marine forecast
national weather service duluth mn
953 am cdt tue may 12 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz148-122200-
oak point to saxon harbor wi-
953 am cdt tue may 12 2026
.rest of today...south wind 5 to 10 knots with gusts to around
20 knots becoming northwest with gusts to around 20 knots in the
afternoon. slight chance of thunderstorms late in the morning.
chance of rain showers in the late morning and early afternoon,
then rain showers likely late. waves 1 to 2 feet.
.tonight...northwest wind 5 to 10 knots easing to 5 knots early
in the morning. chance of rain showers in the evening, then
slight chance of rain showers after midnight. waves 1 to 2 feet.
.wednesday...northwest wind 5 to 10 knots becoming north in the
afternoon. mostly sunny. waves 1 to 2 feet.
.wednesday night...east wind 5 knots becoming southeast in the
late evening and overnight. mostly clear. waves 1 foot or less.
$$
(11/13)
Latest Nearshore Marine Forecast by KMQT
Issued 5/12/2026 11:02 AM America/New_York.
Valid through 5/12/2026 4:00 PM America/New_York.
fzus53 kmqt 121502
nshmqt
expires:202605122000;;439964
nearshore marine forecast
national weather service marquette mi
1102 am edt tue may 12 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.
lsz240-122000-
saxon harbor wi to black river mi-
1102 am edt tue may 12 2026 /1002 am cdt tue may 12 2026/
.rest of today...west wind less than 10 knots veering northwest
late. gusts up to 17 knots. mostly cloudy. a chance of rain
showers by late morning, then rain showers likely late. waves
calm to 1 foot.
.tonight...north wind 5 to 15 knots backing northwest less than
10 knots late. cloudy. a chance of rain showers through late
evening, then a slight chance of rain showers by midnight. waves
building to 2 to 3 feet, then subsiding to 1 to 2 feet.
.wednesday...northwest wind less than 10 knots. partly cloudy in
the morning then clearing. waves 1 to 2 feet.
.wednesday night...variable wind less than 10 knots. mostly
clear. waves calm to 1 foot.
$$
(12/13)
Latest Nearshore Marine Forecast by KMQT
Issued 5/12/2026 11:02 AM America/New_York.
Valid through 5/12/2026 4:00 PM America/New_York.
fzus53 kmqt 121502
nshmqt
expires:202605122000;;439965
nearshore marine forecast
national weather service marquette mi
1102 am edt tue may 12 2026
for waters within five nautical miles of shore
waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.
lsz241-122000-
black river to ontonagon mi-
1102 am edt tue may 12 2026 /1002 am cdt tue may 12 2026/
...small craft advisory in effect from 8 pm edt /7 pm cdt/ this
evening through wednesday morning...
.rest of today...south wind 10 to 15 knots veering northwest
late. mostly cloudy with a chance of rain showers. waves 1 to
2 feet.
.tonight...north wind 10 to 20 knots backing northwest 10 to
15 knots late. cloudy through midnight then becoming partly
cloudy. a chance of rain showers through late evening, then a
slight chance of rain showers by midnight. waves building to 3 to
6 feet occasionally to 8 feet, then subsiding to 2 to 3 feet.
.wednesday...west wind less than 10 knots. mostly sunny. waves
subsiding to 1 to 2 feet.
.wednesday night...variable wind less than 10 knots. partly
cloudy in the evening then clearing. waves calm to 1 foot.
$$
(13/13)
Latest Nearshore Marine Forecast by KMQT
Issued 5/12/2026 11:02 AM America/New_York.
Valid through 5/12/2026 4:00 PM America/New_York.
fzus53 kmqt 121502
nshmqt
expires:202605122000;;439967
nearshore marine forecast
national weather service marquette mi
1102 am edt tue may 12 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.
lsz242-122000-
ontonagon to upper entrance of portage canal mi-
1102 am edt tue may 12 2026
...small craft advisory in effect from 8 pm edt this evening
through wednesday morning...
.rest of today...southeast wind 10 to 15 knots veering northwest
late. gusts up to 23 knots. cloudy with a chance of rain showers.
waves 1 to 2 feet.
.tonight...north wind 15 to 20 knots. cloudy. a chance of rain
showers through late evening, then a slight chance of rain
showers by midnight. waves building to 3 to 6 feet occasionally
to 8 feet, then subsiding to 2 to 4 feet.
.wednesday...northwest wind 10 to 15 knots backing west less than
10 knots in the afternoon. partly cloudy. waves subsiding to 1 to
2 feet.
.wednesday night...northwest wind less than 10 knots in the
evening becoming variable. partly cloudy in the evening then
clearing. waves 1 to 2 feet.
$$
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