fzus63 kmqt 261401
glfls 
expires:202609262000;;087501

open lake forecast for lake superior
national weather service marquette mi
1001 am edt sat sep 26 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 broad area of 30.3 inch high pressure over northeast ontario today 
shifts northeast toward northern quebec tonight while a 29.4 inch 
low deepens to 29.3 inches over northern saskatchewan and a 29.3 
inch nor'easter churns off the coast of long island. sunday, lake 
superior will be between the 30.3 inch high over the canadian 
maritimes, the canadian low over the manitoba/nunuvut line at 29.5 
inches, the nor'easter over new jersey at 29.7 inches, and a high 
pressure movign from the rockies to the dakotas at 30.1 inches. the 
latter high moves directly over the lake monday as a 29.7 inch low 
develops over colorado. this low ejects northeast late monday 
through tuesday, reaching northern ontario at 29.7 inches late 
tuesday. wednesday, lake superior will be between a 29.5 inch low 
over northern manitoba and a 30.1 inch high off the coast of the 
carolinas. thursday, the low will cross hudson bay, dragging along a 
29.7 inch trough across lake superior.




lsz162-262000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1001 am edt sat sep 26 2026 /901 am cdt sat sep 26 2026/

.rest of today...east winds 5 to 15 knots increasing to 10 to
20 knots late. waves calm to 2 feet. 
.tonight...east winds 5 to 15 knots veering south after midnight.
a chance of showers. waves calm to 2 feet. 
.sunday...south winds 5 to 15 knots veering southwest late. a
chance of showers through early afternoon. waves calm to 2 feet. 
.sunday night...west winds less than 10 knots veering north after
midnight. waves calm to 2 feet. 
.monday...northeast winds less than 10 knots becoming east 5 to
15 knots by mid afternoon. waves calm to 2 feet. 
.monday night...east winds 5 to 15 knots veering southeast after
midnight. waves calm to 2 feet. 
.tuesday...south winds 5 to 15 knots veering west. showers
likely, then a chance of showers. waves calm to 2 feet. 
.wednesday...southwest winds 5 to 15 knots veering west. waves
calm to 2 feet. 

$$

fzus63 kmqt 261401
glfls 
expires:202609262000;;087502

open lake forecast for lake superior
national weather service marquette mi
1001 am edt sat sep 26 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 broad area of 30.3 inch high pressure over northeast ontario today 
shifts northeast toward northern quebec tonight while a 29.4 inch 
low deepens to 29.3 inches over northern saskatchewan and a 29.3 
inch nor'easter churns off the coast of long island. sunday, lake 
superior will be between the 30.3 inch high over the canadian 
maritimes, the canadian low over the manitoba/nunuvut line at 29.5 
inches, the nor'easter over new jersey at 29.7 inches, and a high 
pressure movign from the rockies to the dakotas at 30.1 inches. the 
latter high moves directly over the lake monday as a 29.7 inch low 
develops over colorado. this low ejects northeast late monday 
through tuesday, reaching northern ontario at 29.7 inches late 
tuesday. wednesday, lake superior will be between a 29.5 inch low 
over northern manitoba and a 30.1 inch high off the coast of the 
carolinas. thursday, the low will cross hudson bay, dragging along a 
29.7 inch trough across lake superior.




lsz263-262000-
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-
1001 am edt sat sep 26 2026

.rest of today...southeast winds 5 to 15 knots backing east in
the afternoon. waves calm to 2 feet. 
.tonight...southeast winds 5 to 15 knots veering south after
midnight. a slight chance of showers after midnight. waves calm
to 2 feet. 
.sunday...south winds 5 to 15 knots veering southwest in the
afternoon. a slight chance of showers through early afternoon.
waves calm to 2 feet. 
.sunday night...southwest winds 5 to 15 knots veering west after
midnight. waves calm to 2 feet. 
.monday...northeast winds 5 to 15 knots becoming east less than
10 knots by mid afternoon. waves calm to 2 feet. 
.monday night...southeast winds 5 to 15 knots veering south after
midnight. waves calm to 2 feet. 
.tuesday...south winds 5 to 15 knots veering southwest. showers
likely, then a chance of showers. waves calm to 2 feet. 
.wednesday...southwest winds 5 to 15 knots increasing to 10 to
20 knots. waves calm to 2 feet. 

$$