fzus63 kmqt 021402
glfls 
expires:202610022000;;412242

open lake forecast for lake superior
national weather service marquette mi
1001 am edt fri oct 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...

high pressure of 30.3 inches over the northern plains this morning 
shifts east to the great lakes tonight through saturday. a weak 29.9 
inch trough skirts along lake superior's north shore saturday night 
and sunday, with 30.3 inch high pressure quickly returning sunday 
night into monday. ridging remains in the area until tuesday morning 
before being replaced by troughing of at least 29.7 inches tuesday 
evening/wednesday morning.




lsz162-022000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1001 am edt fri oct 2 2026 /901 am cdt fri oct 2 2026/

.rest of today...northwest winds 10 to 20 knots becoming
southwest 5 to 15 knots late. waves 1 to 3 feet subsiding to calm
to 2 feet. 
.tonight...southwest winds 5 to 15 knots diminishing to less than
10 knots after midnight, then becoming south 5 to 15 knots late.
waves calm to 2 feet. 
.saturday...south winds 5 to 15 knots increasing to 15 to
25 knots in the afternoon. a chance of showers. waves building to
1 to 3 feet. 
.saturday night...south winds 10 to 20 knots becoming west 15 to
25 knots after midnight. a chance of rain. waves building to 2 to
4 feet, then subsiding to 1 to 3 feet. 
.sunday...northwest winds 15 to 25 knots. waves building to 3 to
5 feet occasionally to 7 feet, then subsiding to 1 to 3 feet. 
.sunday night...northwest winds 10 to 20 knots diminishing to
5 to 15 knots after midnight. waves subsiding to calm to 2 feet. 
.monday...south winds 5 to 15 knots increasing to 10 to 20 knots.
waves building to 1 to 3 feet. 
.tuesday...south winds 20 to 30 knots veering southwest. waves
building to 2 to 4 feet. 

$$

fzus63 kmqt 021402
glfls 
expires:202610022000;;412243

open lake forecast for lake superior
national weather service marquette mi
1001 am edt fri oct 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...

high pressure of 30.3 inches over the northern plains this morning 
shifts east to the great lakes tonight through saturday. a weak 29.9 
inch trough skirts along lake superior's north shore saturday night 
and sunday, with 30.3 inch high pressure quickly returning sunday 
night into monday. ridging remains in the area until tuesday morning 
before being replaced by troughing of at least 29.7 inches tuesday 
evening/wednesday morning.




lsz263-022000-
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 fri oct 2 2026

.rest of today...northwest winds 10 to 20 knots becoming west
5 to 15 knots late. waves 3 to 5 feet occasionally to 7 feet
subsiding to calm to 2 feet. 
.tonight...west winds 5 to 15 knots backing south late. waves
calm to 2 feet. 
.saturday...south winds 5 to 15 knots increasing to 15 to
25 knots. a chance of showers. waves building to 1 to 3 feet. 
.saturday night...south winds 15 to 25 knots veering west after
midnight. rain likely through midnight, then a chance of rain
after midnight. waves building to 3 to 6 feet occasionally to
8 feet. 
.sunday...northwest winds 20 to 30 knots. waves building to 5 to
8 feet occasionally to 10 feet, then subsiding to 3 to 6 feet
occasionally to 8 feet. 
.sunday night...northwest winds 15 to 25 knots diminishing to
10 to 20 knots after midnight. waves subsiding to 1 to 3 feet. 
.monday...northwest winds 5 to 15 knots becoming south 15 to
25 knots. waves subsiding to calm to 2 feet, then building to
1 to 3 feet. 
.tuesday...south gales to 35 knots veering southwest. waves
building to 3 to 5 feet occasionally to 7 feet, then subsiding to
2 to 4 feet. 

$$