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fzus63 kmqt 041501
glfls 
expires:202611042100;;251558

open lake forecast for lake superior
national weather service marquette mi
1000 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-
1000 am est wed nov 4 2026 /900 am cst wed nov 4 2026/

.rest of today...northeast winds 15 to 25 knots becoming north
10 to 20 knots by mid afternoon. patchy fog. showers late in the
morning. a chance of showers in the afternoon. waves 3 to 6 feet
occasionally to 8 feet 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 4 to 7 feet occasionally to 9 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 10 feet
occasionally to 13 feet, then subsiding to 5 to 8 feet
occasionally to 10 feet. 
.thursday night...north winds 15 to 25 knots becoming northeast
10 to 20 knots after midnight. waves subsiding to 3 to 5 feet
occasionally to 7 feet. 
.friday...northeast winds 5 to 15 knots. waves subsiding to calm
to 2 feet. 
.friday night...southwest winds less than 10 knots becoming west
5 to 15 knots after midnight. waves 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 5 to 15 knots.
waves subsiding to calm to 2 feet. 

$$
fzus63 kmqt 041501
glfls 
expires:202611042100;;251559

open lake forecast for lake superior
national weather service marquette mi
1000 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-
1000 am est wed nov 4 2026

...gale warning in effect from late tonight through thursday
evening...

.rest of today...northeast winds 15 to 25 knots becoming north
10 to 20 knots by mid afternoon. areas of dense fog late in the
morning, then patchy fog in the afternoon. showers late in the
morning, then a chance of showers in the afternoon. waves 3 to
5 feet occasionally to 7 feet subsiding to 2 to 4 feet. 
.tonight...north winds 15 to 25 knots increasing to gales to
40 knots. patchy fog. rain showers. waves building to 7 to
10 feet occasionally to 13 feet. 
.thursday...north gales to 40 knots. a chance of rain showers.
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 3 to 6 feet occasionally to
8 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 3 to 6 feet occasionally to 8 feet. 
.sunday...west winds 15 to 25 knots diminishing to 10 to
20 knots. waves subsiding to 1 to 3 feet. 

$$
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