Coastal Flood Advisory issued October 25 at 8:19PM AKDT until October 28 at 10:00AM AKDT by NWS Anchorage AK
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* WHAT...Coastal flooding, with water levels of 1 to 2.5 feet
above the normal highest tide line, and 30 to 40 mph southwest
winds with gusts up to 40 to 55 mph.
* WHERE...Kuskokwim Delta Coast, including Kipnuk, Kwigillingok
and Kongiganak.
* WHEN...Until 10 AM AKDT Wednesday, highest water levels expected
during each upcoming high tide through Wednesday morning.
* IMPACTS...Coastal flooding of low lying areas and erosion are
possible.
* ADDITIONAL DETAILS...Steady south to southwesterly flow is
expected to continue for the Kuskokwim Delta coastline through
Wednesday morning as a series of low pressure systems track
across the Bering Sea. Coastal erosion and minor coastal
flooding will be possible with each upcoming high tide due to
the persistent onshore winds, during which maximum water levels
will reach between 1 and 2.5 ft above the normal highest tide
line, including in and around Kipnuk and Kwigillingok. The
strong winds may reduce the ability for flood waters to recede
during and close to low tide, possibly leading to prolonged
higher than normal water levels along the coast and near the
mouth of the Kuskokwim River. There will be a break in strong
winds between Wednesday afternoon and Thursday morning,
however, we are monitoring the potential for another strong
storm system that could cause additional coastal impacts towards
the end of this week.
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A coastal flood advisory indicates that onshore winds and tides
will combine to generate flooding of low areas along the shore.