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fzus63 kmqt 020300
glfls 
expires:202611020900;;110704

open lake forecast for lake superior
national weather service marquette mi
1000 pm est sun nov 1 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 30.4 inch high pressure over the eastern seaboard continues to 
extend a 30.1 inch ridge over lake superior tonight. monday, a 29.4 
inch low lifts from colorado into the northern plains, then heads 
towards the upper mississippi valley at 29.6 inches monday night and 
tuesday. pressure falls over lake superior from 30.1 inches monday 
morning to a gradient of 29.9-29.6 inches (higher east) tuesday 
morning. the colorado low then slowly trudges northeast from 
southern minnesota throughout wednesday before arriving over lake 
superior wednesday night at 29.5 inches. thursday into friday, the 
low departs swiftly northeast toward newfoundland while remaining at 
29.7 inches and ridging to 30.0 inches builds in over lake superior.




lsz162-020900-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 pm est sun nov 1 2026 /900 pm cst sun nov 1 2026/

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

$$
fzus63 kmqt 020300
glfls 
expires:202611020900;;110705

open lake forecast for lake superior
national weather service marquette mi
1000 pm est sun nov 1 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 30.4 inch high pressure over the eastern seaboard continues to 
extend a 30.1 inch ridge over lake superior tonight. monday, a 29.4 
inch low lifts from colorado into the northern plains, then heads 
towards the upper mississippi valley at 29.6 inches monday night and 
tuesday. pressure falls over lake superior from 30.1 inches monday 
morning to a gradient of 29.9-29.6 inches (higher east) tuesday 
morning. the colorado low then slowly trudges northeast from 
southern minnesota throughout wednesday before arriving over lake 
superior wednesday night at 29.5 inches. thursday into friday, the 
low departs swiftly northeast toward newfoundland while remaining at 
29.7 inches and ridging to 30.0 inches builds in over lake superior.




lsz263-020900-
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 pm est sun nov 1 2026

.rest of tonight...south winds 5 to 15 knots. patchy fog. waves
calm to 2 feet. 
.monday...southeast winds 5 to 15 knots. a slight chance of
showers in the morning, then showers in the afternoon. waves calm
to 2 feet. 
.monday night...southeast winds 10 to 20 knots becoming south
5 to 15 knots late. showers in the evening, then a chance of
showers after midnight. waves building to 1 to 3 feet. 
.tuesday...south winds 5 to 15 knots backing east in the
afternoon. showers. 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
subsiding to 1 to 3 feet. 
.wednesday night...north winds 15 to 25 knots increasing to gales
to 35 knots after midnight. rain showers. waves building to 3 to
6 feet occasionally to 8 feet. 
.thursday...north gales to 35 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 3 to 5 feet
occasionally to 7 feet. 
.friday...northeast winds 10 to 20 knots diminishing to 5 to
15 knots. waves subsiding to calm to 2 feet. 

$$
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