Expires:202106182215;;459318
FZUS63 KMQT 181414
GLFLS 

Open Lake Forecast for Lake Superior
National Weather Service Marquette MI
1014 AM EDT Fri Jun 18 2021

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 trough across Lake Superior will deepen to 29.6 
inches over northern Lake Superior today and expand across the 
eastern half of the Lake Friday evening. The troughing will weaken
over Lake Superior Saturday morning as a weak 29.8 inch ridge 
shifts over the region. A 29.5 inch area of low pressure will 
approach from the west Sunday and move over Lake Superior Sunday 
night. Weak 29.8 inch ridging returns over western portions of 
Lake Superior Monday evening and builds to 29.9 inches as it 
shifts across the Lake on Tuesday.


LSZ162-182215-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
1014 AM EDT Fri Jun 18 2021 /914 AM CDT Fri Jun 18 2021/

.REST OF TODAY...Southwest winds 15 to 25 knots veering west in
the afternoon. Waves 1 to 3 feet building to 2 to 4 feet, then
subsiding to 1 to 3 feet. 
.TONIGHT...North winds 10 to 20 knots becoming east 5 to 15 knots
after midnight, then backing northwest late. Waves subsiding to
calm to 2 feet. 
.SATURDAY...North winds 5 to 15 knots backing south in the
afternoon. Waves calm to 2 feet. 
.SATURDAY NIGHT...Southeast winds 5 to 15 knots backing east
after midnight. Waves calm to 2 feet. 
.SUNDAY...East winds 5 to 15 knots. Showers. Waves calm to
2 feet. 
.SUNDAY NIGHT...Northwest winds 10 to 20 knots increasing to
15 to 25 knots after midnight. Showers likely through midnight,
then a chance of showers after midnight. Waves building to 1 to
3 feet. 
.MONDAY...Northwest winds 15 to 25 knots becoming west 10 to
20 knots. Waves building to 2 to 4 feet, then subsiding to calm
to 2 feet. 
.TUESDAY...West winds 10 to 20 knots diminishing to 5 to
15 knots. Waves calm to 2 feet. 

$$