fzus63 kmqt 062001
glfls 
expires:202606070800;;293252

open lake forecast for lake superior
national weather service marquette mi
400 pm edt sat jun 6 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... 

ridging builds to 30.1 inches over lake superior through sunday 
morning. meanwhile, a 29.3 inch low forms over the northern rockies 
today and stretches into the northern plains through sunday night. 
by monday afternoon, expect lake superior to be between a 29.8 inch 
trough over minnesota and 30.2 inch high pressure over new england. 
the troughing weakens to 29.9 inches before moving over lake 
superior on tuesday. pressure continues to fall over lake superior 
through wednesday as a colorado low lifts through the northern 
plains towards lake winnipeg, strengthening to 29.6 inches by 
wednesday night as the low deepens to 29.2 inches.




lsz162-070800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 pm edt sat jun 6 2026 /300 pm cdt sat jun 6 2026/

.late this afternoon...east winds 5 to 15 knots. waves calm to
2 feet. 
.tonight...east winds 5 to 15 knots backing northeast after
midnight. patchy fog. waves calm to 2 feet. 
.sunday...northeast winds 10 to 20 knots increasing to 15 to
25 knots late. patchy fog through early afternoon. waves building
to 2 to 4 feet. 
.sunday night...northeast winds 10 to 20 knots diminishing to
5 to 15 knots late. a chance of showers after midnight. waves
subsiding to calm to 2 feet. 
.monday...northeast winds 5 to 15 knots increasing to 10 to
20 knots by mid afternoon. a chance of showers through early
afternoon, then showers likely and a slight chance of
thunderstorms by mid afternoon. waves calm to 2 feet. 
.monday night...northeast winds 5 to 15 knots. showers likely
through midnight, then a chance of showers after midnight. waves
calm to 2 feet. 
.tuesday...northeast winds 5 to 15 knots. waves calm to 2 feet. 
.tuesday night...northeast winds 5 to 15 knots. a chance of
showers. waves calm to 2 feet. 
.wednesday...northeast winds 10 to 20 knots veering southwest. a
chance of thunderstorms. showers. waves building to 2 to 4 feet. 
.thursday...southwest winds 15 to 25 knots. a chance of showers.
waves building to 3 to 5 feet occasionally to 7 feet. 

$$

fzus63 kmqt 062001
glfls 
expires:202606070800;;293253

open lake forecast for lake superior
national weather service marquette mi
400 pm edt sat jun 6 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... 

ridging builds to 30.1 inches over lake superior through sunday 
morning. meanwhile, a 29.3 inch low forms over the northern rockies 
today and stretches into the northern plains through sunday night. 
by monday afternoon, expect lake superior to be between a 29.8 inch 
trough over minnesota and 30.2 inch high pressure over new england. 
the troughing weakens to 29.9 inches before moving over lake 
superior on tuesday. pressure continues to fall over lake superior 
through wednesday as a colorado low lifts through the northern 
plains towards lake winnipeg, strengthening to 29.6 inches by 
wednesday night as the low deepens to 29.2 inches.




lsz263-070800-
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 edt sat jun 6 2026

...dense fog advisory in effect until 8 pm edt this evening...

.late this afternoon...southwest winds 5 to 15 knots. patchy fog.
waves calm to 2 feet. 
.tonight...east winds 5 to 15 knots. patchy fog. waves calm to
2 feet. 
.sunday...east winds 5 to 15 knots increasing to 10 to 20 knots
in the afternoon. waves building to 2 to 4 feet. 
.sunday night...east winds 10 to 20 knots veering southeast after
midnight, then diminishing to 5 to 15 knots late. waves subsiding
to calm to 2 feet. 
.monday...east winds 5 to 15 knots. a chance of showers. a slight
chance of thunderstorms by mid afternoon. waves building to 1 to
3 feet. 
.monday night...southeast winds 5 to 15 knots. showers likely.
waves subsiding to calm to 2 feet. 
.tuesday...east winds less than 10 knots becoming northeast 5 to
15 knots by mid afternoon. waves calm to 2 feet. 
.tuesday night...east winds 5 to 15 knots. waves calm to 2 feet. 
.wednesday...east winds 10 to 20 knots veering south. a chance of
showers and thunderstorms. waves building to 2 to 4 feet. 
.thursday...southwest winds 15 to 25 knots. a chance of showers.
waves building to 3 to 6 feet occasionally to 8 feet. 

$$