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(1/14)
Latest Nearshore Marine Forecast by KDLH
Issued 5/18/2026 10:14 PM US/Central.
Valid through 5/19/2026 5:00 AM US/Central.
fzus53 kdlh 190314
nshdlh
expires:202605191000;;801457
nearshore marine forecast
national weather service duluth mn
1014 pm cdt mon may 18 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.
lsz148-191000-
oak point to saxon harbor wi-
1014 pm cdt mon may 18 2026
...small craft advisory in effect through tuesday afternoon...
.rest of tonight...northeast wind 15 to 20 knots with gusts to
around 25 knots becoming north 10 to 15 knots with gusts to
around 20 knots toward daybreak. rain showers likely late in the
evening. chance of thunderstorms through the night. rain showers
after midnight. waves 2 to 4 feet building to 5 to 8 feet after
midnight. waves occasionally to 10 feet.
.tuesday...northwest wind 5 to 10 knots becoming west 10 to
15 knots with gusts to around 20 knots in the late morning and
afternoon. chance of rain showers in the morning. chance of
sprinkles in the afternoon. waves 2 to 4 feet.
.tuesday night...northwest wind 5 to 10 knots. gusts up to
20 knots early in the evening. mostly cloudy in the evening then
becoming partly cloudy. waves 1 to 3 feet.
.wednesday...northwest wind 5 knots becoming east in the
afternoon. sunny. waves 1 foot or less.
$$
(2/14)
Latest Nearshore Marine Forecast by KDLH
Issued 5/18/2026 10:14 PM US/Central.
Valid through 5/19/2026 5:00 AM US/Central.
fzus53 kdlh 190314
nshdlh
expires:202605191000;;801451
nearshore marine forecast
national weather service duluth mn
1014 pm cdt mon may 18 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz144-191000-
two harbors to duluth mn-
1014 pm cdt mon may 18 2026
...small craft advisory in effect until 9 am cdt tuesday...
.rest of tonight...northeast wind 10 to 15 knots. gusts up to
25 knots decreasing to 20 knots toward daybreak. slight chance of
thunderstorms in the late evening and early morning. rain showers
through the night. waves 1 to 3 feet building to 2 to 4 feet
after midnight.
.tuesday...west wind 10 to 15 knots. gusts up to 20 knots in the
late morning and afternoon. chance of rain showers in the
morning. waves 2 to 4 feet subsiding to 1 to 3 feet in the
afternoon.
.tuesday night...northwest wind 5 to 10 knots. gusts up to
20 knots early in the evening. mostly cloudy in the evening then
clearing. waves 1 to 2 feet.
.wednesday...west wind 5 knots becoming southeast in the
afternoon. sunny. waves 1 foot or less.
$$
(3/14)
Latest Nearshore Marine Forecast by KDLH
Issued 5/18/2026 10:14 PM US/Central.
Valid through 5/19/2026 5:00 AM US/Central.
fzus53 kdlh 190314
nshdlh
expires:202605191000;;801452
nearshore marine forecast
national weather service duluth mn
1014 pm cdt mon may 18 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.
lsz145-191000-
duluth mn to port wing wi-
1014 pm cdt mon may 18 2026
...small craft advisory in effect until 9 am cdt tuesday...
.rest of tonight...northeast wind 15 to 20 knots with gusts to
around 25 knots easing to 5 to 10 knots with gusts to around
20 knots toward daybreak. slight chance of thunderstorms in the
late evening and early morning. rain showers through the night.
waves 1 to 3 feet.
.tuesday...west wind 10 to 15 knots. gusts up to 20 knots in the
late morning and afternoon. chance of rain showers in the
morning. waves 1 to 3 feet.
.tuesday night...northwest wind 5 to 10 knots. gusts up to
20 knots early in the evening. mostly cloudy in the evening then
clearing. waves 1 to 2 feet.
.wednesday...west wind 5 knots becoming east in the afternoon.
sunny. waves 1 foot or less.
$$
(4/14)
Latest Nearshore Marine Forecast by KDLH
Issued 5/18/2026 10:14 PM US/Central.
Valid through 5/19/2026 5:00 AM US/Central.
fzus53 kdlh 190314
nshdlh
expires:202605191000;;801453
nearshore marine forecast
national weather service duluth mn
1014 pm cdt mon may 18 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz146-191000-
port wing to sand island wi-
1014 pm cdt mon may 18 2026
...small craft advisory in effect through tuesday morning...
.rest of tonight...northeast wind 15 to 20 knots with gusts to
around 25 knots easing to 10 to 15 knots with gusts to around
20 knots after midnight. rain showers and slight chance of
thunderstorms. waves 1 to 2 feet building to 2 to 4 feet after
midnight.
.tuesday...west wind 5 to 10 knots. gusts up to 20 knots in the
afternoon. chance of rain showers in the morning. chance of
sprinkles in the afternoon. waves 2 to 4 feet subsiding to 1 to
3 feet late in the afternoon.
.tuesday night...northwest wind 5 to 10 knots. mostly cloudy in
the evening then becoming partly cloudy. waves 1 to 2 feet.
.wednesday...west wind 5 knots early in the morning becoming
variable 10 knots or less, then becoming southeast 5 knots late
in the afternoon. sunny. waves 1 foot or less.
$$
(5/14)
Latest Nearshore Marine Forecast by KDLH
Issued 5/18/2026 10:14 PM US/Central.
Valid through 5/19/2026 5:00 AM US/Central.
fzus53 kdlh 190314
nshdlh
expires:202605191000;;801454
nearshore marine forecast
national weather service duluth mn
1014 pm cdt mon may 18 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.
lsz147-191000-
sand island to bayfield wi-
1014 pm cdt mon may 18 2026
...small craft advisory in effect through tuesday morning...
.rest of tonight...northeast wind 15 to 20 knots with gusts to
around 30 knots becoming north 10 to 15 knots with gusts to
around 20 knots toward daybreak. rain showers likely late in the
evening. slight chance of thunderstorms through the night. rain
showers after midnight. waves 1 to 2 feet building to 3 to 5 feet
after midnight.
.tuesday...west wind 10 to 15 knots. gusts up to 20 knots in the
afternoon. chance of rain showers in the morning. chance of
sprinkles in the afternoon. waves 2 to 4 feet subsiding to 1 to
3 feet late in the afternoon.
.tuesday night...northwest wind 5 to 10 knots. mostly cloudy in
the evening then becoming partly cloudy. waves 1 to 2 feet.
.wednesday...northwest wind 5 knots early in the morning becoming
variable 10 knots or less, then becoming southeast 5 knots in the
afternoon. sunny. waves 1 foot or less.
$$
(6/14)
Latest Nearshore Marine Forecast by KDLH
Issued 5/18/2026 10:14 PM US/Central.
Valid through 5/19/2026 5:00 AM US/Central.
fzus53 kdlh 190314
nshdlh
expires:202605191000;;801456
nearshore marine forecast
national weather service duluth mn
1014 pm cdt mon may 18 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz121-191000-
chequamegon bay-bayfield to oak point wi-
1014 pm cdt mon may 18 2026
.rest of tonight...northeast wind 15 to 20 knots with gusts to
around 25 knots becoming north 5 to 10 knots toward daybreak.
chance of thunderstorms in the late evening and early morning.
rain showers through the night. slight chance of thunderstorms
toward daybreak. waves 1 to 2 feet.
.tuesday...northwest wind 5 knots becoming west 10 to 15 knots
with gusts to around 20 knots in the late morning and afternoon.
chance of rain showers in the morning. chance of sprinkles in the
afternoon. waves 1 foot or less.
.tuesday night...northwest wind 5 to 10 knots. gusts up to
20 knots early in the evening. mostly cloudy in the evening then
becoming partly cloudy. waves 1 foot or less.
.wednesday...northwest wind 5 knots becoming east in the
afternoon. sunny. waves 1 foot or less.
$$
(7/14)
Latest Nearshore Marine Forecast by KDLH
Issued 5/18/2026 10:14 PM US/Central.
Valid through 5/19/2026 5:00 AM US/Central.
fzus53 kdlh 190314
nshdlh
expires:202605191000;;801447
nearshore marine forecast
national weather service duluth mn
1014 pm cdt mon may 18 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.
lsz140-191000-
grand portage to grand marais mn-
1014 pm cdt mon may 18 2026
...small craft advisory in effect through tuesday afternoon...
.rest of tonight...northeast wind 10 to 15 knots with gusts to
around 25 knots. chance of rain showers late in the evening.
slight chance of thunderstorms through the night. rain showers
after midnight. waves 3 to 5 feet.
.tuesday...north wind 10 to 15 knots with gusts to around
20 knots becoming northwest 5 to 10 knots with gusts to around
20 knots in the late morning and afternoon. chance of rain
showers in the morning. waves 2 to 4 feet subsiding to 1 to
3 feet in the late morning and afternoon.
.tuesday night...northwest wind 5 to 10 knots. gusts up to
20 knots early in the evening. mostly cloudy in the evening then
clearing. waves 1 to 2 feet.
.wednesday...northwest wind 5 knots becoming west late in the
morning, then becoming southwest 10 to 15 knots with gusts to
around 20 knots in the afternoon. sunny. waves 1 to 3 feet.
$$
(8/14)
Latest Nearshore Marine Forecast by KDLH
Issued 5/18/2026 10:14 PM US/Central.
Valid through 5/19/2026 5:00 AM US/Central.
fzus53 kdlh 190314
nshdlh
expires:202605191000;;801448
nearshore marine forecast
national weather service duluth mn
1014 pm cdt mon may 18 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz141-191000-
grand marais to taconite harbor mn-
1014 pm cdt mon may 18 2026
...small craft advisory in effect through tuesday afternoon...
.rest of tonight...northeast wind 10 to 15 knots with gusts to
around 25 knots becoming north 5 to 10 knots toward daybreak.
chance of rain showers late in the evening. slight chance of
thunderstorms in the late evening and early morning. rain showers
after midnight. waves 1 to 3 feet.
.tuesday...west wind 5 to 10 knots. gusts up to 20 knots late in
the afternoon. chance of rain showers in the morning. chance of
sprinkles in the afternoon. waves 1 to 3 feet.
.tuesday night...northwest wind 5 to 10 knots. gusts up to
20 knots early in the evening. mostly cloudy in the evening then
clearing. waves 1 to 2 feet.
.wednesday...northwest wind 5 knots becoming south in the
afternoon. sunny. waves 1 foot or less.
$$
(9/14)
Latest Nearshore Marine Forecast by KDLH
Issued 5/18/2026 10:14 PM US/Central.
Valid through 5/19/2026 5:00 AM US/Central.
fzus53 kdlh 190314
nshdlh
expires:202605191000;;801449
nearshore marine forecast
national weather service duluth mn
1014 pm cdt mon may 18 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.
lsz142-191000-
taconite harbor to silver bay harbor mn-
1014 pm cdt mon may 18 2026
...small craft advisory in effect through tuesday afternoon...
.rest of tonight...northeast wind 10 to 15 knots. gusts up to
25 knots in the late evening and early morning. rain showers
likely late in the evening. slight chance of thunderstorms in the
late evening and early morning. rain showers after midnight.
waves 1 to 2 feet building to 2 to 4 feet after midnight.
.tuesday...west wind 5 to 10 knots. gusts up to 20 knots in the
afternoon. chance of rain showers in the morning. chance of
sprinkles in the afternoon. waves 2 to 4 feet subsiding to 1 to
3 feet in the afternoon.
.tuesday night...northwest wind 5 to 10 knots. gusts up to
20 knots early in the evening. mostly cloudy in the evening then
clearing. waves 1 to 2 feet.
.wednesday...northwest wind 5 knots becoming south in the
afternoon. sunny. waves 1 foot or less.
$$
(10/14)
Latest Nearshore Marine Forecast by KDLH
Issued 5/18/2026 10:14 PM US/Central.
Valid through 5/19/2026 5:00 AM US/Central.
fzus53 kdlh 190314
nshdlh
expires:202605191000;;801450
nearshore marine forecast
national weather service duluth mn
1014 pm cdt mon may 18 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz143-191000-
silver bay harbor to two harbors mn-
1014 pm cdt mon may 18 2026
...small craft advisory in effect through tuesday afternoon...
.rest of tonight...northeast wind 10 to 15 knots. gusts up to
25 knots in the late evening and early morning. rain showers
likely late in the evening. slight chance of thunderstorms in the
late evening and early morning. rain showers after midnight.
waves 1 to 2 feet building to 2 to 4 feet after midnight.
.tuesday...west wind 5 to 10 knots. gusts up to 20 knots in the
afternoon. chance of rain showers in the morning. chance of
sprinkles in the afternoon. waves 2 to 4 feet subsiding to 1 to
3 feet in the afternoon.
.tuesday night...northwest wind 5 to 10 knots. mostly cloudy in
the evening then clearing. waves 1 to 2 feet.
.wednesday...northwest wind 5 knots becoming south in the
afternoon. sunny. waves 1 foot or less.
$$
(11/14)
Latest Nearshore Marine Forecast by KMQT
Issued 5/18/2026 11:02 PM America/New_York.
Valid through 5/19/2026 4:00 AM America/New_York.
fzus53 kmqt 190302
nshmqt
expires:202605190800;;800846
nearshore marine forecast
national weather service marquette mi
1102 pm edt mon may 18 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.
lsz240-190800-
saxon harbor wi to black river mi-
1102 pm edt mon may 18 2026 /1002 pm cdt mon may 18 2026/
...small craft advisory in effect from 5 am edt /4 am cdt/
tuesday through tuesday afternoon...
.rest of tonight...northeast wind 10 to 15 knots backing north
less than 10 knots late. rain showers likely and a chance of
thunderstorms. patchy fog. waves 2 to 3 feet building to 2 to
4 feet.
.tuesday...northwest wind less than 10 knots backing west 10 to
15 knots by late morning. cloudy. a chance of rain showers
through mid morning. patchy fog through mid morning. waves
building to 3 to 5 feet occasionally to 7 feet, then subsiding to
2 to 3 feet.
.tuesday night...northwest wind 5 to 15 knots. mostly cloudy in
the evening then becoming partly cloudy. waves subsiding to 1 to
2 feet.
.wednesday...northwest wind less than 10 knots in the morning
becoming variable. sunny. waves calm to 1 foot.
$$
(12/14)
Latest Nearshore Marine Forecast by KMQT
Issued 5/18/2026 11:02 PM America/New_York.
Valid through 5/19/2026 4:00 AM America/New_York.
fzus53 kmqt 190302
nshmqt
expires:202605190800;;800847
nearshore marine forecast
national weather service marquette mi
1102 pm edt mon may 18 2026
for waters within five nautical miles of shore
waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.
lsz241-190800-
black river to ontonagon mi-
1102 pm edt mon may 18 2026 /1002 pm cdt mon may 18 2026/
...small craft advisory in effect from 3 am edt /2 am cdt/
tuesday through tuesday afternoon...
.rest of tonight...northeast wind 10 to 15 knots backing north
late. rain showers likely and a chance of thunderstorms. patchy
fog. waves 2 to 4 feet building to 3 to 5 feet occasionally to
7 feet.
.tuesday...northwest wind 10 to 15 knots backing west 10 to
20 knots by late morning. mostly cloudy. a chance of rain showers
through mid morning. patchy fog through mid morning. waves
subsiding to 2 to 4 feet.
.tuesday night...northwest wind 10 to 15 knots diminishing to
less than 10 knots after midnight. partly cloudy. waves subsiding
to 1 to 2 feet.
.wednesday...northwest wind less than 10 knots in the morning
becoming variable. sunny. waves 1 to 2 feet.
$$
(13/14)
Latest Nearshore Marine Forecast by KMQT
Issued 5/18/2026 11:02 PM America/New_York.
Valid through 5/19/2026 4:00 AM America/New_York.
fzus53 kmqt 190302
nshmqt
expires:202605190800;;800848
nearshore marine forecast
national weather service marquette mi
1102 pm edt mon may 18 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.
lsz242-243-190800-
ontonagon to upper entrance of portage canal mi-
upper entrance of portage canal to eagle river mi-
1102 pm edt mon may 18 2026
...small craft advisory in effect from 7 am edt tuesday through
tuesday afternoon...
.rest of tonight...northeast wind 10 to 15 knots. rain showers
and a chance of thunderstorms by midnight, then a chance of
showers and thunderstorms late. patchy fog through the night.
waves 2 to 3 feet building to 2 to 4 feet.
.tuesday...northwest wind 15 to 20 knots backing west 10 to
20 knots by late morning. cloudy. a chance of rain showers
through mid morning. patchy fog through mid morning. waves
building to 3 to 5 feet occasionally to 7 feet, then subsiding to
2 to 4 feet.
.tuesday night...northwest wind 10 to 15 knots. mostly cloudy in
the evening then becoming mostly clear. waves subsiding to 1 to
2 feet.
.wednesday...northwest wind less than 10 knots backing southwest
in the afternoon. sunny. waves 1 to 2 feet.
$$
(14/14)
Latest Nearshore Marine Forecast by KMQT
Issued 5/18/2026 5:03 PM America/New_York.
Valid through 5/19/2026 4:00 AM America/New_York.
fzus53 kmqt 182103
nshmqt
expires:202605190800;;787935
nearshore marine forecast
national weather service marquette mi
503 pm edt mon may 18 2026
for waters within five nautical miles of shore
waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.
lsz240-241-190800-
saxon harbor wi to black river mi-
black river to ontonagon mi-
503 pm edt mon may 18 2026 /403 pm cdt mon may 18 2026/
...small craft advisory in effect from 5 am edt /4 am cdt/
tuesday through tuesday afternoon...
.late this afternoon...northeast wind less than 10 knots. cloudy.
patchy fog. waves 1 to 2 feet.
.tonight...northeast wind 10 to 15 knots backing north late.
patchy fog through the night. rain showers and a chance of
thunderstorms. waves building to 3 to 5 feet occasionally to
7 feet.
.tuesday...northwest wind 10 to 15 knots backing west 10 to
20 knots by late morning. cloudy. a chance of rain showers
through mid morning. patchy fog through mid morning. waves
subsiding to 2 to 4 feet.
.tuesday night...northwest wind 5 to 15 knots. mostly cloudy in
the evening then becoming mostly clear. waves subsiding to 1 to
2 feet.
.wednesday...northwest wind less than 10 knots in the morning
becoming variable. sunny. waves 1 to 2 feet.
$$
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