(1/2)
Latest Great Lakes Marine Forecast by KMQT
Issued 6/15/2025 10:01 AM America/New_York.
Valid through 6/15/2025 4:00 PM America/New_York.
fzus63 kmqt 151401
glfls
expires:202506152000;;283717
open lake forecast for lake superior
national weather service marquette mi
1001 am edt sun jun 15 2025
for waters beyond 5 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.
.synopsis...
high pressure ridging over lake superior today weakens to 30.1
inches. a 29.8 inch low developing over the dakotas monday morning
will press east toward the great lakes through the day, deepening to
29.6 inches over western lake superior monday night. the low further
deepens to 29.4 inches by tuesday evening as it moves from northern
ontario to quebec. wednesday, another low moves into the great lakes
at around 29.7 inches. thursday morning, this low deepens to 29.6
inches over southern ontario while a 30.0 inch ridge moves over
northern ontario. this high extends ridging into lake superior
thursday afternoon through at least friday night.
lsz162-152000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1001 am edt sun jun 15 2025 /901 am cdt sun jun 15 2025/
.rest of today...northeast winds 5 to 15 knots. waves calm to
2 feet.
.tonight...northeast winds 5 to 15 knots. a slight chance of
showers. waves calm to 2 feet.
.monday...east winds 5 to 15 knots. a chance of showers through
early afternoon, then showers likely and a slight chance of
thunderstorms by mid afternoon. waves calm to 2 feet.
.monday night...east winds 10 to 20 knots veering west after
midnight. showers through midnight. a chance of thunderstorms. a
chance of showers after midnight. waves calm to 2 feet.
.tuesday...west winds 10 to 20 knots backing southwest by mid
afternoon. a chance of showers. waves calm to 2 feet.
.tuesday night...west winds 5 to 15 knots veering northwest after
midnight. waves calm to 2 feet.
.wednesday...southwest winds 5 to 15 knots veering west. a chance
of showers. waves calm to 2 feet.
.thursday...east winds 10 to 20 knots becoming northeast 5 to
15 knots. a chance of showers. waves calm to 2 feet.
$$
(2/2)
Latest Great Lakes Marine Forecast by KMQT
Issued 6/15/2025 10:01 AM America/New_York.
Valid through 6/15/2025 4:00 PM America/New_York.
fzus63 kmqt 151401
glfls
expires:202506152000;;283718
open lake forecast for lake superior
national weather service marquette mi
1001 am edt sun jun 15 2025
for waters beyond 5 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.
.synopsis...
high pressure ridging over lake superior today weakens to 30.1
inches. a 29.8 inch low developing over the dakotas monday morning
will press east toward the great lakes through the day, deepening to
29.6 inches over western lake superior monday night. the low further
deepens to 29.4 inches by tuesday evening as it moves from northern
ontario to quebec. wednesday, another low moves into the great lakes
at around 29.7 inches. thursday morning, this low deepens to 29.6
inches over southern ontario while a 30.0 inch ridge moves over
northern ontario. this high extends ridging into lake superior
thursday afternoon through at least friday night.
lsz263-152000-
lake superior from saxon harbor wi to upper entrance to portage
canal mi 5nm off shore to the us/canadian border including isle
royale national park-
1001 am edt sun jun 15 2025
.rest of today...northeast winds 5 to 15 knots. waves calm to
2 feet.
.tonight...northeast winds 5 to 15 knots becoming east less than
10 knots after midnight, then veering southwest late. a chance of
showers. waves calm to 2 feet.
.monday...southwest winds less than 10 knots veering west in the
afternoon, then becoming east 5 to 15 knots late. a chance of
showers. waves calm to 2 feet.
.monday night...east winds 5 to 15 knots veering southwest after
midnight. showers and a chance of thunderstorms. waves calm to
2 feet.
.tuesday...west winds 5 to 15 knots backing southwest by mid
afternoon. a slight chance of showers and thunderstorms. waves
calm to 2 feet.
.tuesday night...southwest winds 5 to 15 knots veering west after
midnight. waves calm to 2 feet.
.wednesday...southwest winds 5 to 15 knots veering west. waves
calm to 2 feet.
.thursday...northeast winds 5 to 15 knots veering south. a chance
of showers. waves calm to 2 feet.
$$
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