fzus63 kmqt 022101
glfls 
expires:202611030900;;154847

open lake forecast for lake superior
national weather service marquette mi
400 pm est mon nov 2 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 into the northern plains tonight, then tracks 
over western lake superior into tuesday while weakening slightly to 
29.7. this sends pressure falls from 29.9 inches this evening to 
29.7 inches tuesday afternoon. meanwhile, a second colorado low 
follows close behind the first, deepening to 29.5 inches over 
northern wi throughout wednesday and moving slowly overhead lake 
superior late wednesday into thursday while remaining at 29.5 
inches. thursday, this second low departs rapidly northeast, and 
pressure rises from 29.6 inches to 30.1 inches from late thursday 
into friday as ridging builds in from the northwest. ridging to 29.9 
inches lingers over lake superior through saturday.




lsz162-030900-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 pm est mon nov 2 2026 /300 pm cst mon nov 2 2026/

.late this afternoon...east winds 15 to 25 knots. showers. waves
1 to 3 feet. 
.tonight...east winds 10 to 20 knots veering southeast by
midnight, then becoming south 5 to 15 knots late. patchy fog.
showers and a slight chance of thunderstorms in the evening. a
chance of showers after midnight. waves building to 2 to 4 feet,
then subsiding to 1 to 3 feet. 
.tuesday...south winds 5 to 15 knots becoming north 10 to
20 knots by late morning, then veering northeast by mid
afternoon. patchy fog in the morning. a chance of showers in the
morning, then showers likely in the afternoon. waves subsiding to
calm to 2 feet. 
.tuesday night...northeast winds 10 to 20 knots. showers. waves
building to 2 to 4 feet. 
.wednesday...northeast winds 10 to 20 knots. showers. waves
building to 3 to 5 feet occasionally to 7 feet, then subsiding to
1 to 3 feet. 
.wednesday night...north winds 10 to 20 knots increasing to 20 to
30 knots after midnight. showers. waves building to 3 to 6 feet
occasionally to 8 feet. 
.thursday...north winds 20 to 30 knots. rain showers likely in
the morning, then a chance of rain showers in the afternoon.
waves building to 6 to 9 feet occasionally to 11 feet. 
.thursday night...northeast winds 20 to 30 knots. waves subsiding
to 5 to 8 feet occasionally to 10 feet. 
.friday...northeast winds 10 to 20 knots becoming east 5 to
15 knots. waves subsiding to calm to 2 feet. 
.saturday...south winds 5 to 15 knots veering northwest. waves
calm to 2 feet. 

$$

fzus63 kmqt 022101
glfls 
expires:202611030900;;154848

open lake forecast for lake superior
national weather service marquette mi
400 pm est mon nov 2 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 into the northern plains tonight, then tracks 
over western lake superior into tuesday while weakening slightly to 
29.7. this sends pressure falls from 29.9 inches this evening to 
29.7 inches tuesday afternoon. meanwhile, a second colorado low 
follows close behind the first, deepening to 29.5 inches over 
northern wi throughout wednesday and moving slowly overhead lake 
superior late wednesday into thursday while remaining at 29.5 
inches. thursday, this second low departs rapidly northeast, and 
pressure rises from 29.6 inches to 30.1 inches from late thursday 
into friday as ridging builds in from the northwest. ridging to 29.9 
inches lingers over lake superior through saturday.




lsz263-030900-
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 pm est mon nov 2 2026

.late this afternoon...southeast winds 10 to 20 knots. showers.
waves 1 to 3 feet. 
.tonight...southeast winds 10 to 20 knots veering south by
midnight, then diminishing to 5 to 15 knots late. patchy fog.
showers and a slight chance of thunderstorms in the evening. a
chance of showers after midnight. waves building to 2 to 4 feet,
then subsiding to 1 to 3 feet. 
.tuesday...south winds 5 to 15 knots backing northeast by mid
afternoon. patchy fog in the morning. a chance of showers in the
morning, then showers likely in the afternoon. waves subsiding to
calm to 2 feet. 
.tuesday night...northeast winds 10 to 20 knots. showers likely.
waves building to 2 to 4 feet. 
.wednesday...northeast winds 10 to 20 knots. showers and a slight
chance of thunderstorms. waves 2 to 4 feet. 
.wednesday night...north winds 10 to 20 knots increasing to 20 to
30 knots after midnight. showers. waves building to 4 to 7 feet
occasionally to 9 feet. 
.thursday...north gales to 35 knots. rain showers. waves building
to 9 to 12 feet occasionally to 15 feet. 
.thursday night...northeast gales to 35 knots. waves subsiding to
6 to 9 feet occasionally to 11 feet. 
.friday...northeast winds 15 to 25 knots diminishing to 5 to
15 knots. waves subsiding to calm to 2 feet. 
.saturday...south winds 5 to 15 knots veering northwest. waves
calm to 2 feet. 

$$