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fzus63 kmqt 040900
glfls 
expires:202611042100;;238241

open lake forecast for lake superior
national weather service marquette mi
400 am est wed nov 4 2026

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...

a 29.5 inch low lifts along the minnesota/wisconsin state line this 
morning before trekking northeast over lake superior through 
tomorrow. high pressure ridging of 30.2 inches returns from the 
northwest through friday, weakening to 30.1 inches on saturday as it 
shifts southeast ahead of a clipper low pressure system.




lsz162-042100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 am est wed nov 4 2026 /300 am cst wed nov 4 2026/

...dense fog advisory in effect until 10 am est /9 am cst/ this
morning...

.early this morning...northeast winds 20 to 30 knots. patchy
dense fog. showers. waves 3 to 5 feet occasionally to 7 feet. 
.today...northeast winds 20 to 30 knots diminishing to 15 to
25 knots by late morning, then becoming north 10 to 20 knots by
mid afternoon. patchy dense fog. showers. waves building to 3 to
6 feet occasionally to 8 feet, then subsiding to 2 to 4 feet. 
.tonight...north winds 15 to 25 knots increasing to 30 knots with
a few gale force gusts to 35 knots possible. patchy fog. showers.
waves building to 5 to 8 feet occasionally to 10 feet. 
.thursday...north winds to 30 knots with a few gale force gusts
to 35 knots possible diminishing to 20 to 30 knots. a chance of
rain showers in the morning. waves building to 7 to 11 feet
occasionally to 14 feet. 
.thursday night...north winds 15 to 25 knots becoming northeast
10 to 20 knots after midnight. waves subsiding to 3 to 6 feet
occasionally to 8 feet. 
.friday...northeast winds 5 to 15 knots. waves subsiding to 1 to
3 feet. 
.friday night...southwest winds less than 10 knots becoming west
5 to 15 knots after midnight. waves subsiding to calm to 2 feet. 
.saturday...southwest winds 10 to 20 knots becoming west 15 to
25 knots. waves building to 1 to 3 feet. 
.sunday...west winds 15 to 25 knots diminishing to 5 to 15 knots.
waves subsiding to calm to 2 feet. 

$$
fzus63 kmqt 040900
glfls 
expires:202611042100;;238242

open lake forecast for lake superior
national weather service marquette mi
400 am est wed nov 4 2026

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...

a 29.5 inch low lifts along the minnesota/wisconsin state line this 
morning before trekking northeast over lake superior through 
tomorrow. high pressure ridging of 30.2 inches returns from the 
northwest through friday, weakening to 30.1 inches on saturday as it 
shifts southeast ahead of a clipper low pressure system.




lsz263-042100-
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-
400 am est wed nov 4 2026

...dense fog advisory in effect until 10 am est this morning...
...gale warning in effect from late tonight through thursday
evening...

.early this morning...northeast winds 15 to 25 knots. patchy
dense fog. showers. waves 3 to 5 feet occasionally to 7 feet. 
.today...northeast winds 15 to 25 knots becoming north 10 to
20 knots by mid afternoon. areas of dense fog in the morning.
patchy fog in the afternoon. showers. waves building to 3 to
6 feet occasionally to 8 feet, then subsiding to 2 to 4 feet. 
.tonight...north winds 15 to 25 knots increasing to gales to
40 knots. patchy fog. showers. waves building to 5 to 8 feet
occasionally to 10 feet. 
.thursday...north gales to 40 knots. rain showers in the morning,
then a slight chance of rain showers in the afternoon. waves
building to 10 to 14 feet occasionally to 18 feet, then subsiding
to 9 to 12 feet occasionally to 15 feet. 
.thursday night...north winds 20 to 30 knots becoming northeast
15 to 25 knots after midnight. a slight chance of rain showers in
the evening. waves subsiding to 4 to 7 feet occasionally to
9 feet. 
.friday...northeast winds 10 to 20 knots diminishing to 5 to
15 knots in the afternoon. waves subsiding to 1 to 3 feet. 
.friday night...north winds less than 10 knots becoming west 5 to
15 knots after midnight. waves subsiding to calm to 2 feet. 
.saturday...southwest winds 10 to 20 knots becoming west 15 to
25 knots. waves building to 2 to 4 feet. 
.sunday...west winds 15 to 25 knots diminishing to 10 to
20 knots. waves building to 3 to 5 feet occasionally to 7 feet,
then subsiding to 1 to 3 feet. 

$$
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