Expires:202009281615;;483606
FZUS63 KMQT 280803
GLFLS 

Open Lake Forecast for Lake Superior
National Weather Service Marquette MI
403 AM EDT Mon Sep 28 2020

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 trough will swing through Lake Superior 
this morning. A weak ridge of 29.8 inches then briefly moves over
western Lake Superior by Monday evening while a 29.5 inch low 
moves north through Lake Huron and the St. Marys River. This low 
will deepen to 29.1 inches south of James Bay by Tuesday morning. 
Tuesday evening, a 29.6 inch trough will drop south from Canada. A
29.4 inch low pressure system develops within this trough, north 
of Lake Superior on Wednesday before lifting away to the 
northeast.


LSZ162-281615-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
403 AM EDT Mon Sep 28 2020 /303 AM CDT Mon Sep 28 2020/

.EARLY THIS MORNING...Northwest winds 10 to 20 knots. A slight
chance of showers. Waves 1 to 3 feet. 
.TODAY...Northwest winds 10 to 20 knots. A slight chance of
showers. Waves subsiding to calm to 2 feet. 
.TONIGHT...Northwest winds 10 to 20 knots backing west after
midnight. A slight chance of showers. Waves building to 1 to
3 feet. 
.TUESDAY...West winds 10 to 20 knots increasing to 15 to 25 knots
in the afternoon. A chance of showers. Waves building to 2 to
4 feet. 
.TUESDAY NIGHT...West winds 10 to 20 knots. A chance of showers.
Waves subsiding to 1 to 3 feet. 
.WEDNESDAY...Northwest winds 15 to 25 knots. A chance of showers
through early afternoon, then showers likely by mid afternoon.
Waves building to 2 to 4 feet. 
.WEDNESDAY NIGHT...Northwest winds 15 to 25 knots veering north
after midnight. A chance of showers. Waves subsiding to 1 to
3 feet. 
.THURSDAY...North winds 15 to 25 knots diminishing to 10 to
20 knots. Waves building to 2 to 4 feet, then subsiding to 1 to
3 feet. 
.FRIDAY...North winds 5 to 15 knots backing northwest. Waves
subsiding to calm to 2 feet. 

$$