fzus63 kmqt 010143
glfls 
expires:202411010945;;750025

open lake forecast for lake superior
national weather service marquette mi
943 pm edt thu oct 31 2024

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 29.6 inch low pressure near the straits of 
mackinac continues east this evening. as the low tracks over 
southern quebec into friday, 30.2 inch high pressure will slide 
southeast into the great lakes. the high builds to 30.4 inches 
friday night, then continues east to new england by saturday 
evening. a 29.6 inch low pressure trough will organize sunday over
the plains, then lift toward the great lakes monday. this low 
moves north and deepens to 29.4 inches over the hudson bay, 
sending 29.5 inch troughing over lake superior late monday 
meanwhile a secondary 29.5 inch low develops in the southern 
plains and creeps north tuesday.


lsz162-010945-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
943 pm edt thu oct 31 2024 /843 pm cdt thu oct 31 2024/

.rest of tonight...north winds 15 to 25 knots diminishing to
10 to 20 knots after midnight. waves 5 to 8 feet occasionally to
10 feet subsiding to 2 to 4 feet. 
.friday...northeast winds 5 to 15 knots veering east in the
afternoon, then veering south late. waves subsiding to calm to
2 feet. 
.friday night...south winds 5 to 15 knots veering southwest after
midnight, then becoming south 10 to 20 knots late. a slight
chance of rain showers through midnight. waves calm to 2 feet. 
.saturday...south winds 10 to 20 knots diminishing to 5 to
15 knots by mid afternoon. a chance of showers through early
afternoon. waves calm to 2 feet. 
.saturday night...south winds 5 to 15 knots backing southeast
after midnight. waves calm to 2 feet. 
.sunday...southeast winds 10 to 20 knots becoming east 15 to
25 knots by mid afternoon. a chance of showers through early
afternoon, then showers likely by mid afternoon. waves building
to 2 to 4 feet. 
.sunday night...east winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. showers. waves 2 to 4 feet. 
.monday...east winds 10 to 20 knots veering west. showers. waves
subsiding to calm to 2 feet. 
.tuesday...west winds 15 to 25 knots. rain showers likely, then a
chance of rain showers. waves building to 2 to 4 feet. 

$$

fzus63 kmqt 010143
glfls 
expires:202411010945;;750026

open lake forecast for lake superior
national weather service marquette mi
943 pm edt thu oct 31 2024

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 29.6 inch low pressure near the straits of 
mackinac continues east this evening. as the low tracks over 
southern quebec into friday, 30.2 inch high pressure will slide 
southeast into the great lakes. the high builds to 30.4 inches 
friday night, then continues east to new england by saturday 
evening. a 29.6 inch low pressure trough will organize sunday over
the plains, then lift toward the great lakes monday. this low 
moves north and deepens to 29.4 inches over the hudson bay, 
sending 29.5 inch troughing over lake superior late monday 
meanwhile a secondary 29.5 inch low develops in the southern 
plains and creeps north tuesday.


lsz263-010945-
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-
943 pm edt thu oct 31 2024

...gale warning in effect until 11 pm edt this evening...

.rest of tonight...north winds 25 to 35 knots diminishing to 10 
to 20 knots late. a slight chance of rain and snow showers by late
evening. waves 6 to 9 feet occasionally to 11 feet subsiding to 3
to 5 feet occasionally to 7 feet. 
.friday...north winds 5 to 15 knots veering northeast in the
afternoon, then becoming south less than 10 knots late. waves
subsiding to calm to 2 feet. 
.friday night...south winds 5 to 15 knots. waves calm to 2 feet. 
.saturday...south winds 5 to 15 knots. a slight chance of rain
showers through early afternoon. waves calm to 2 feet. 
.saturday night...south winds 5 to 15 knots. waves calm to
2 feet. 
.sunday...southeast winds 5 to 15 knots increasing to 10 to
20 knots by mid afternoon. a chance of showers. waves building to
2 to 4 feet. 
.sunday night...southeast winds 15 to 25 knots. a chance of
showers through midnight, then showers after midnight. waves
building to 4 to 7 feet occasionally to 9 feet. 
.monday...southeast winds 10 to 20 knots veering west. showers.
waves subsiding to calm to 2 feet, then building to 1 to 3 feet. 
.tuesday...northwest winds 20 to 30 knots becoming west 15 to
25 knots. rain showers likely, then a chance of rain showers.
waves building to 3 to 6 feet occasionally to 8 feet. 

$$