fzus63 kmqt 220843
glfls 
expires:202412221645;;185787

open lake forecast for lake superior
national weather service marquette mi
343 am est sun dec 22 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...30.6 inch high pressure centered over the great lakes
region will slowly shift east into new england today. meanwhile, 
a 29.8 inch low pressure system over southeast south dakota this 
evening will track to western wisconsin monday morning while 
weakening to 29.9 inches. as the low approaches lower michigan, it
continues to fill further to 30.0 inches monday evening. this low
pressure system exits into the lower great lakes tuesday morning,
followed by ridging building to 30.3 inches through the remainder
of wednesday and into thursday as low pressure at 29.6 inches 
tracks across the southern plains.


lsz162-221645-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
343 am est sun dec 22 2024 /243 am cst sun dec 22 2024/

.early this morning...south winds 15 to 25 knots. a slight chance
of snow showers. waves 1 to 3 feet. 
.today...south winds 15 to 25 knots diminishing to 10 to 20 knots
by mid afternoon. a slight chance of snow showers. waves building
to 3 to 5 feet occasionally to 7 feet, then subsiding to 2 to
4 feet. 
.tonight...south winds 10 to 20 knots becoming southwest 5 to
15 knots by midnight, then veering north late. a slight chance of
snow showers after midnight. waves subsiding to calm to 2 feet. 
.monday...northeast winds 10 to 20 knots. a slight chance of snow
showers in the morning. waves building to 1 to 3 feet. 
.monday night...northeast winds 5 to 15 knots veering east after
midnight. waves subsiding to calm to 2 feet. 
.tuesday...south winds 5 to 15 knots becoming southwest 10 to
20 knots in the afternoon. waves calm to 2 feet. 
.tuesday night...southwest winds 10 to 20 knots. waves calm to
2 feet. 
.wednesday...southwest winds 10 to 20 knots backing south. waves
calm to 2 feet. 
.thursday...south winds 10 to 20 knots backing southeast. waves
calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 220843
glfls 
expires:202412221645;;185788

open lake forecast for lake superior
national weather service marquette mi
343 am est sun dec 22 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...30.6 inch high pressure centered over the great lakes
region will slowly shift east into new england today. meanwhile, 
a 29.8 inch low pressure system over southeast south dakota this 
evening will track to western wisconsin monday morning while 
weakening to 29.9 inches. as the low approaches lower michigan, it
continues to fill further to 30.0 inches monday evening. this low
pressure system exits into the lower great lakes tuesday morning,
followed by ridging building to 30.3 inches through the remainder
of wednesday and into thursday as low pressure at 29.6 inches 
tracks across the southern plains.


lsz263-221645-
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-
343 am est sun dec 22 2024

.early this morning...south winds 10 to 20 knots. waves 2 to
4 feet. 
.today...south winds 15 to 25 knots diminishing to 10 to 20 knots
by mid afternoon. a slight chance of snow showers. waves building
to 3 to 5 feet occasionally to 7 feet, then subsiding to 2 to
4 feet. 
.tonight...south winds 10 to 20 knots veering southwest by
midnight, then diminishing to 5 to 15 knots late. a chance of
snow showers after midnight. waves building to 3 to 5 feet
occasionally to 7 feet, then subsiding to calm to 2 feet. 
.monday...northeast winds 10 to 20 knots backing north by mid
afternoon. a chance of snow showers in the morning. waves
building to 2 to 4 feet. 
.monday night...northeast winds 5 to 15 knots diminishing to less
than 10 knots after midnight. waves subsiding to calm to 2 feet. 
.tuesday...south winds 5 to 15 knots veering southwest in the
afternoon. waves calm to 2 feet. 
.tuesday night...southwest winds 10 to 20 knots. waves building
to 1 to 3 feet. 
.wednesday...southwest winds 5 to 15 knots backing south. waves
subsiding to calm to 2 feet. 
.thursday...south winds 10 to 20 knots becoming southeast 5 to
15 knots. waves calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$