Oceana Severe Watches & Warnings NOAA Weather Radio

Watches & Warnings

Lakeshore Flood Warning
Issued: 5:30 PM EDT Oct. 22, 2019 – National Weather Service

... Lakeshore Flood Warning remains in effect until 8 am EDT

* winds... southwest winds of 35 to 45 mph with higher gusts today
continuing into tonight. Winds overnight will turn more
westerly and gradually subside to 20 to 30 mph late.

* Waves... the waves peaked early this afternoon and will slowly
subside tonight. Waves of 10 to 12 feet are expected from Port
Sheldon north up the shore through Grand Haven, Muskegon,
Whitehall and Ludington. Waves will only slowly diminish
tonight. Waves at daybreak on Wednesday will be in the 5 to 9
foot range.

* Impacts... significant beach and dune erosion is expected through
tonight. Southwest facing shorelines will encounter the worst
conditions, including from Grand Haven to Little Sable Point and
from Ludington north to Big Sable Point. The combination of
high Great Lakes water levels, a storm level rise of around a
foot or so and large battering waves will lead to erosion of the
dune base which can lead to Bluff collapse. Lakeshore flooding
is also expected in low lying areas and along river mouths.

Precautionary/preparedness actions...

Be alert to flooding along the Lake Michigan shore in beach towns
due to water pushing up and over the beach and back up into river
mouths through the pier heads. If living along the shore be aware
of the potential for collapsing Bluffs... and take appropriate
action to protect life and property. Steer clear of the pier
today as waves will be sweeping across pier decks.

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