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Marine Forecast
Expires:201802220500;;335899
FZUS63 KMQT 212050
GLFLS 

Open Lake Forecast for Lake Superior
National Weather Service Marquette MI
350 PM EST Wed Feb 21 2018

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 30.7 inch high pressure system over the Great Lakes 
tonight will shift into southern Quebec on Thursday night. A weak 
30.1 inch trough will then pass across the western Great Lakes on
Friday followed by weak a ridge of 30.3 inches on Saturday. A low
averaging 29.0 inches will track across the Great Lakes region 
Saturday night through Sunday. A 30.3 inch ridge will then build
into the Upper Great Lakes on Monday as a 29.6 inch low moves 
across southern Saskatchewan.

LSZ265-220500-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
350 PM EST Wed Feb 21 2018

.LATE THIS AFTERNOON...West winds 5 to 15 knots. 

Tonight - Southwest winds 5 to 15 knots. .THURSDAY...Southwest winds 5 to 15 knots backing southeast by late morning, then increasing to 10 to 20 knots by mid afternoon. .THURSDAY NIGHT...Southeast winds 10 to 20 knots. A slight chance of snow in the evening, then snow after midnight. .FRIDAY...Southeast winds 5 to 15 knots becoming west 10 to 20 knots in the afternoon. Snow in the morning. A chance of freezing drizzle. A slight chance of snow in the afternoon. .FRIDAY NIGHT...West winds 10 to 20 knots diminishing to 5 to 15 knots after midnight. .SATURDAY...South winds 5 to 15 knots becoming southeast 10 to 20 knots in the afternoon. .SATURDAY NIGHT...East winds 15 to 25 knots. A chance of snow in the evening, then snow after midnight. .SUNDAY...West winds 20 to 30 knots. A chance of snow. .MONDAY...West winds 10 to 20 knots backing southwest. A chance of snow. Note, waves omitted for mostly ice covered areas. $$


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 MarineWaypoints.com should be used with caution.
We cannot guarantee that the data provided here is 100% accurate or up to date!


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