fzus63 kmqt 220250
glfls 
expires:202412221100;;173116

open lake forecast for lake superior
national weather service marquette mi
950 pm est sat dec 21 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...high pressure centered over the upper great lakes 
tonight at 30.6 inches will slowly meander east to new england early 
monday while weakening to 30.5 inches. a 29.8 inch low pressure 
system over southeast south dakota sunday 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.


lsz162-221100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
950 pm est sat dec 21 2024 /850 pm cst sat dec 21 2024/

.rest of tonight...south winds 10 to 20 knots increasing to 15 to
25 knots by midnight. scattered snow showers. waves calm to
2 feet building to 1 to 3 feet. 
.sunday...south winds 15 to 25 knots diminishing to 10 to
20 knots by mid afternoon. scattered snow showers. waves building
to 3 to 5 feet occasionally to 7 feet, then subsiding to 2 to
4 feet. 
.sunday night...southwest winds 5 to 15 knots veering north late.
a slight chance of snow showers after midnight. waves subsiding
to calm to 2 feet. 
.monday...northeast winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon. a slight chance of snow showers in the
morning. waves building to 1 to 3 feet, then subsiding to calm to
2 feet. 
.monday night...northeast winds 5 to 15 knots veering east after
midnight. waves 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. waves calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 220250
glfls 
expires:202412221100;;173117

open lake forecast for lake superior
national weather service marquette mi
950 pm est sat dec 21 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...high pressure centered over the upper great lakes 
tonight at 30.6 inches will slowly meander east to new england early 
monday while weakening to 30.5 inches. a 29.8 inch low pressure 
system over southeast south dakota sunday 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.


lsz263-221100-
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-
950 pm est sat dec 21 2024

.rest of tonight...south winds 5 to 15 knots increasing to 10 to
20 knots by midnight. scattered snow showers. waves calm to
2 feet building to 2 to 4 feet. 
.sunday...south winds 15 to 25 knots diminishing to 10 to 20 
knots by mid afternoon. scattered snow showers. waves building to 
3 to 5 feet occasionally to 7 feet, then subsiding to 2 to 4 feet.
.sunday night...south winds 10 to 20 knots veering southwest by
midnight, then diminishing to 5 to 15 knots late. a slight chance
of snow showers. waves subsiding to calm to 2 feet. 
.monday...northeast winds 10 to 20 knots backing north in the
afternoon. a slight chance of snow showers. waves building to
2 to 4 feet, then subsiding to 1 to 3 feet. 
.monday night...northeast winds 5 to 15 knots. 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 5 to 15 knots. waves calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$