Mason Severe Watches & Warnings NOAA Weather Radio

Watches & Warnings

Beach Hazard Statement
Issued: 10:12 PM EDT Aug. 20, 2018 – National Weather Service

... Beach hazards statement remains in effect from Tuesday morning
through Wednesday afternoon...

* high wave action... strong currents and dangerous swimming
conditions expected.

* Strong structural currents expected.

* Strong longshore currents expected.

* Rip currents possible.

* Location... beaches from Grand Haven to Manistee.

Muskegon State Park... Mears State Park in Pentwater... Stearns
Park in Ludington.

* Overview/potential impacts... waves will build over 5 feet
Tuesday afternoon and peak in the 6 to 8 foot range Tuesday
evening. Dangerous swimming conditions will develop quickly
Tuesday afternoon, with north sides of north piers being
particularly dangerous places to swim. Waves of this magnitude
are not seen very often in the Summer swim season. Caution is
advised. Waves will top pier structures and sweep completely
across them. Steer clear of the pier and stay dry when waves
are high!

Precautionary/preparedness actions...

High wave action makes swimming difficult and can tire even a
strong swimmer quickly.

Structural currents form along piers where longshore currents and
wave action flow into the structure. Structural currents can
sweep you out into deeper water along the pier structure.

A longshore current is a lake current that moves parallel to
shore. Longshore currents can be strong enough to prevent
swimmers from being able to keep their feet on the bottom...
making it difficult to return to shore.

Rip currents are powerful channels of water flowing quickly away
from shore... which occur most often at low spots or breaks in
sandbars. Rip currents can sweep you into deeper water.

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