fzus63 kmqt 020901
glfls 
expires:202611022100;;125861

open lake forecast for lake superior
national weather service marquette mi
400 am 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 29.4 inch low lifts from colorado into the northern plains today, 
then heads over western lake superior into northern ontario at 29.6 
inches tonight into tuesday. a second colorado over the central 
plains at 29.6 inches tonight then lifts into the upper mississippi 
valley tuesday into tuesday evening. this second colorado low then 
slowly trudges northeast into wisconsin and the u.p. on wednesday as 
it deepens to 29.5 inches. the low then splits, with a remnant low 
over the great lakes region gradually weakening from 29.6 inches on 
thursday to 29.8 inches by friday as it moves southeast from the 
upper great lakes to the lower great lakes. 




lsz162-022100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 am est mon nov 2 2026 /300 am cst mon nov 2 2026/

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

$$

fzus63 kmqt 020901
glfls 
expires:202611022100;;125862

open lake forecast for lake superior
national weather service marquette mi
400 am 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 29.4 inch low lifts from colorado into the northern plains today, 
then heads over western lake superior into northern ontario at 29.6 
inches tonight into tuesday. a second colorado over the central 
plains at 29.6 inches tonight then lifts into the upper mississippi 
valley tuesday into tuesday evening. this second colorado low then 
slowly trudges northeast into wisconsin and the u.p. on wednesday as 
it deepens to 29.5 inches. the low then splits, with a remnant low 
over the great lakes region gradually weakening from 29.6 inches on 
thursday to 29.8 inches by friday as it moves southeast from the 
upper great lakes to the lower great lakes. 




lsz263-022100-
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 mon nov 2 2026

.early this morning...south winds 5 to 15 knots. waves calm to
2 feet. 
.today...southeast winds 5 to 15 knots. a slight chance of
showers in the morning, then showers in the afternoon. waves
building to 1 to 3 feet. 
.tonight...southeast winds 10 to 20 knots becoming south 5 to
15 knots late. showers in the evening, then a slight chance of
showers after midnight. waves building to 3 to 5 feet
occasionally to 7 feet, then subsiding to 2 to 4 feet. 
.tuesday...south winds 5 to 15 knots backing east by mid
afternoon. a chance of showers in the morning, then showers in
the afternoon. waves subsiding to calm to 2 feet. 
.tuesday night...east winds 5 to 15 knots. showers. waves
building to 2 to 4 feet, then subsiding to 1 to 3 feet. 
.wednesday...southeast winds 5 to 15 knots veering southwest in
the afternoon. showers. waves subsiding to calm to 2 feet. 
.wednesday night...west winds 5 to 15 knots becoming north 20 to
30 knots after midnight. rain showers. waves building to 2 to
4 feet. 
.thursday...north gales to 40 knots becoming northeast 20 to
30 knots. a chance of rain showers. waves building to 6 to 9 feet
occasionally to 11 feet, then subsiding to 4 to 7 feet
occasionally to 9 feet. 
.friday...northeast winds 10 to 20 knots diminishing to 5 to
15 knots. waves subsiding to calm to 2 feet. 

$$