... Lake Wind Advisory remains in effect until 8 PM MDT this
* impacts/timing: gusty winds will develop late tonight, peaking
between 11am and 2pm Sunday. Increased chop on Flathead Lake
will cause difficult conditions for small water craft.
* Winds: south winds around 15 mph in the morning becoming
southwesterly 15 to 25 mph with gusts to near 40 mph possible
by mid day.
* Wave heights: 1 to 3 feet, locally up to 4 feet on the
northeast side of the lake.
* Locations impacted include: Flathead Lake, Flathead Valley,
Mission Valley, and Polson
A lake Wind Advisory indicates that winds will cause rough chop
on area lakes. Small boats will be especially prone to capsizing.
Note... the experimental wave height forecasts are representative
of the mid lake waters and downwind shores. Wave heights may be
significantly less on upwind shores.
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Lake Wind Advisory
Issued: 4:55 AM MDT Oct. 22, 2017 – National Weather Service