(1/12)
Latest Nearshore Marine Forecast by KDLH
Issued 4/21/2026 1:23 PM US/Central.
Valid through 4/21/2026 5:00 PM US/Central.
fzus53 kdlh 211823
nshdlh
expires:202604212200;;756379
nearshore marine forecast
national weather service duluth mn
123 pm cdt tue apr 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-
123 pm cdt tue apr 21 2026
.rest of today...east wind 5 knots. sunny. waves 1 foot or less.
.tonight...southeast wind 5 knots. clear. waves 1 foot or less.
.wednesday...southeast wind 5 knots becoming east in the late
morning and afternoon. sunny. waves 1 foot or less.
.wednesday night...east wind 5 to 10 knots becoming southeast
after midnight. slight chance of rain and thunderstorms through
the night. waves 1 to 2 feet.
$$
(2/12)
Latest Nearshore Marine Forecast by KDLH
Issued 4/21/2026 1:23 PM US/Central.
Valid through 4/21/2026 5:00 PM US/Central.
fzus53 kdlh 211823
nshdlh
expires:202604212200;;756375
nearshore marine forecast
national weather service duluth mn
123 pm cdt tue apr 21 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz146-212200-
port wing to sand island wi-
123 pm cdt tue apr 21 2026
.rest of today...east wind 5 knots. sunny. waves 1 foot or less.
.tonight...east wind 5 knots early in the evening becoming
variable 10 knots or less, then becoming east 5 knots after
midnight. mostly clear. waves 1 foot or less.
.wednesday...northeast wind 10 to 15 knots. sunny. waves 1 foot
or less.
.wednesday night...northeast wind 10 to 15 knots. slight chance
of rain and thunderstorms through the night. waves 1 to 2 feet.
$$
(3/12)
Latest Nearshore Marine Forecast by KDLH
Issued 4/21/2026 1:23 PM US/Central.
Valid through 4/21/2026 5:00 PM US/Central.
fzus53 kdlh 211823
nshdlh
expires:202604212200;;756376
nearshore marine forecast
national weather service duluth mn
123 pm cdt tue apr 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-
123 pm cdt tue apr 21 2026
.rest of today...northeast wind 5 knots becoming southeast late.
sunny. waves 1 foot or less.
.tonight...southeast wind 5 knots early in the evening becoming
variable 10 knots or less, then becoming southeast 5 knots early
in the morning. clear. waves 1 foot or less.
.wednesday...southeast wind 5 knots becoming east in the
afternoon. sunny. waves 1 foot or less.
.wednesday night...east wind 5 to 10 knots. slight chance of rain
and thunderstorms through the night. waves 1 to 2 feet.
$$
(4/12)
Latest Nearshore Marine Forecast by KDLH
Issued 4/21/2026 1:23 PM US/Central.
Valid through 4/21/2026 5:00 PM US/Central.
fzus53 kdlh 211823
nshdlh
expires:202604212200;;756378
nearshore marine forecast
national weather service duluth mn
123 pm cdt tue apr 21 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz121-212200-
chequamegon bay-bayfield to oak point wi-
123 pm cdt tue apr 21 2026
.rest of today...northeast wind 5 to 10 knots. sunny. waves
1 foot or less.
.tonight...east wind 5 knots early in the evening becoming
variable 10 knots or less, then becoming southeast 5 knots early
in the morning. clear. waves 1 foot or less.
.wednesday...southeast wind 5 knots becoming east in the
afternoon. sunny. waves 1 foot or less.
.wednesday night...east wind 5 knots becoming southeast after
midnight. slight chance of rain and thunderstorms through the
night. waves 1 foot or less.
$$
(5/12)
Latest Nearshore Marine Forecast by KDLH
Issued 4/21/2026 1:23 PM US/Central.
Valid through 4/21/2026 5:00 PM US/Central.
fzus53 kdlh 211823
nshdlh
expires:202604212200;;756369
nearshore marine forecast
national weather service duluth mn
123 pm cdt tue apr 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-
123 pm cdt tue apr 21 2026
.rest of today...southwest wind 5 to 10 knots. sunny. waves
1 foot or less.
.tonight...southwest wind 5 knots becoming east early in the
morning. mostly clear. waves 1 foot or less.
.wednesday...east wind 10 to 15 knots. sunny. waves 1 foot or
less.
.wednesday night...northeast wind 10 to 15 knots with gusts to
around 20 knots. chance of rain and slight chance of
thunderstorms after midnight. waves 1 to 3 feet building to 2 to
4 feet after midnight.
$$
(6/12)
Latest Nearshore Marine Forecast by KDLH
Issued 4/21/2026 1:23 PM US/Central.
Valid through 4/21/2026 5:00 PM US/Central.
fzus53 kdlh 211823
nshdlh
expires:202604212200;;756370
nearshore marine forecast
national weather service duluth mn
123 pm cdt tue apr 21 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz141-212200-
grand marais to taconite harbor mn-
123 pm cdt tue apr 21 2026
.rest of today...southwest wind 5 to 10 knots. sunny. waves
1 foot or less.
.tonight...southeast wind 5 knots early in the evening becoming
variable 10 knots or less, then becoming northeast 5 knots early
in the morning. mostly clear. waves 1 foot or less.
.wednesday...east wind 5 to 10 knots. sunny. waves 1 foot or
less.
.wednesday night...northeast wind 10 to 15 knots with gusts to
around 20 knots. slight chance of rain in the evening. slight
chance of thunderstorms through the night. chance of rain after
midnight. waves 1 to 3 feet.
$$
(7/12)
Latest Nearshore Marine Forecast by KDLH
Issued 4/21/2026 1:23 PM US/Central.
Valid through 4/21/2026 5:00 PM US/Central.
fzus53 kdlh 211823
nshdlh
expires:202604212200;;756371
nearshore marine forecast
national weather service duluth mn
123 pm cdt tue apr 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-
123 pm cdt tue apr 21 2026
.rest of today...south wind 5 knots. sunny. waves 1 foot or less.
.tonight...variable winds 10 knots or less becoming northeast
5 knots after midnight. mostly clear. waves 1 foot or less.
.wednesday...northeast wind 5 to 10 knots. sunny. waves 1 foot or
less.
.wednesday night...northeast wind 10 to 15 knots. gusts up to
20 knots after midnight. chance of rain and slight chance of
thunderstorms through the night. waves 1 to 3 feet.
$$
(8/12)
Latest Nearshore Marine Forecast by KDLH
Issued 4/21/2026 1:23 PM US/Central.
Valid through 4/21/2026 5:00 PM US/Central.
fzus53 kdlh 211823
nshdlh
expires:202604212200;;756372
nearshore marine forecast
national weather service duluth mn
123 pm cdt tue apr 21 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz143-212200-
silver bay harbor to two harbors mn-
123 pm cdt tue apr 21 2026
.rest of today...southeast wind 5 knots. sunny. waves 1 foot or
less.
.tonight...variable winds 10 knots or less becoming northeast
5 knots in the late evening and overnight. mostly clear. waves
1 foot or less.
.wednesday...northeast wind 10 to 15 knots. sunny. waves 1 foot
or less.
.wednesday night...northeast wind 10 to 15 knots. gusts up to
20 knots until early morning. chance of rain in the evening.
slight chance of thunderstorms through the night. slight chance
of rain after midnight. waves 1 to 3 feet.
$$
(9/12)
Latest Nearshore Marine Forecast by KDLH
Issued 4/21/2026 1:23 PM US/Central.
Valid through 4/21/2026 5:00 PM US/Central.
fzus53 kdlh 211823
nshdlh
expires:202604212200;;756373
nearshore marine forecast
national weather service duluth mn
123 pm cdt tue apr 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-
123 pm cdt tue apr 21 2026
.rest of today...east wind 5 knots. sunny. waves 1 foot or less.
.tonight...northeast wind 5 knots. mostly clear. waves 1 foot or
less.
.wednesday...northeast wind 10 to 15 knots. sunny. waves 1 to
2 feet.
.wednesday night...northeast wind 10 to 15 knots. gusts up to
20 knots until early morning. slight chance of rain and
thunderstorms. waves 1 to 2 feet.
$$
(10/12)
Latest Nearshore Marine Forecast by KDLH
Issued 4/21/2026 1:23 PM US/Central.
Valid through 4/21/2026 5:00 PM US/Central.
fzus53 kdlh 211823
nshdlh
expires:202604212200;;756374
nearshore marine forecast
national weather service duluth mn
123 pm cdt tue apr 21 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz145-212200-
duluth mn to port wing wi-
123 pm cdt tue apr 21 2026
.rest of today...northeast wind 5 to 10 knots. sunny. waves
1 foot or less.
.tonight...northeast wind 5 knots. mostly clear. waves 1 foot or
less.
.wednesday...northeast wind 10 to 15 knots. sunny. waves 1 to
2 feet.
.wednesday night...northeast wind 10 to 15 knots. gusts up to
20 knots until early morning. slight chance of rain and
thunderstorms. waves 1 to 3 feet.
$$
(11/12)
Latest Nearshore Marine Forecast by KMQT
Issued 4/21/2026 11:00 AM America/New_York.
Valid through 4/21/2026 4:00 PM America/New_York.
fzus53 kmqt 211500
nshmqt
expires:202604212000;;748433
nearshore marine forecast
national weather service marquette mi
1100 am edt tue apr 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-
1100 am edt tue apr 21 2026
.rest of today...northwest wind less than 10 knots by late
morning becoming variable. sunny. waves 1 to 2 feet.
.tonight...variable wind less than 10 knots. clear. waves calm to
1 foot.
.wednesday...southeast wind less than 10 knots backing east 5 to
15 knots in the afternoon. sunny. waves calm to 1 foot.
.wednesday night...southeast wind 10 to 15 knots. partly cloudy
in the evening, then mostly cloudy with a slight chance of rain
showers after midnight. waves building to 1 to 2 feet.
$$
(12/12)
Latest Nearshore Marine Forecast by KMQT
Issued 4/21/2026 11:00 AM America/New_York.
Valid through 4/21/2026 4:00 PM America/New_York.
fzus53 kmqt 211500
nshmqt
expires:202604212000;;748432
nearshore marine forecast
national weather service marquette mi
1100 am edt tue apr 21 2026
for waters within five nautical miles of shore
waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.
lsz240-241-212000-
saxon harbor wi to black river mi-
black river to ontonagon mi-
1100 am edt tue apr 21 2026 /1000 am cdt tue apr 21 2026/
.rest of today...variable wind less than 10 knots. sunny. waves
calm to 1 foot.
.tonight...variable wind less than 10 knots. clear. waves calm to
1 foot.
.wednesday...variable wind less than 10 knots becoming east less
than 10 knots in the afternoon. sunny. waves calm to 1 foot.
.wednesday night...southeast wind 10 to 15 knots. partly cloudy
in the evening then becoming mostly cloudy. a slight chance of
showers. waves building to 1 to 2 feet.
$$
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