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Marine Forecast
FZUS63 KMQT 200306

Open Lake Forecast for Lake Superior
National Weather Service Marquette MI
1006 PM EST Sun Nov 19 2017

For waters beyond five 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 28.9 inch low over Maine will move to the northeast
through late overnight as a 29.8 inch ridge slides across the 
northern Great Lakes. A 29.2 inch low pressure over southern 
Saskatchewan Monday morning will reach James Bay by Tuesday 
afternoon. A 30.4 inch high will slide southeast through the 
Northern Plains into the Central Plains Wednesday morning and 
weaken to 30.2 inches over the Ohio Valley Thursday morning as a 
29.8 inch trough moves into the western Great Lakes. The trough 
will reach the eastern Great Lakes Friday morning as a 30.0 inch 
ridge moves over the northern Great Lakes.

Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
1006 PM EST Sun Nov 19 2017 /906 PM CST Sun Nov 19 2017/


.REST OF TONIGHT...West winds 10 to 20 knots diminishing to 5 to
15 knots and backing southwest late. Waves 1 to 3 feet subsiding 
to calm to 2 feet. 
.MONDAY...South winds 5 to 15 knots increasing to 10 to 20 knots
by late morning, then becoming southwest 15 to 25 knots by mid
afternoon. Waves building to 1 to 3 feet. 
.MONDAY NIGHT...Southwest winds increasing to 20 to 30 knots and
becoming west gales to 35 knots by midnight. A slight chance of 
rain and snow showers after midnight. Waves building to 6 to 9 
feet occasionally to 11 feet. 
.TUESDAY...Northwest gales to 35 knots. A chance of snow showers.
Waves subsiding to 4 to 7 feet occasionally to 9 feet. 
.TUESDAY NIGHT...Northwest winds 20 to 30 knots diminishing to
15 to 25 knots after midnight. Waves subsiding to 2 to 4 feet. 
.WEDNESDAY...West winds 10 to 20 knots. Waves subsiding to 1 to
3 feet. 
.WEDNESDAY NIGHT...West winds 10 to 20 knots. Waves building to
2 to 4 feet. 
.THURSDAY...Northwest winds 10 to 20 knots backing south. Waves
subsiding to calm to 2 feet. 
.FRIDAY...Southwest winds 15 to 25 knots becoming west 20 to
30 knots. Rain showers likely. Snow showers likely. Waves 
building to 4 to 7 feet occasionally to 9 feet. 


US Forecasts are Public Domain and derived from the
National Weather Service - (IWIN) and the National Oceanic Atmospheric Administration (NOAA)
Canadian forecasts are obtained from and are copyright of Environment Canada.

All weather information provided by should be used with caution.
We cannot guarantee that the data provided here is 100% accurate or up to date!

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