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Coastal Flood Watch — Kuskokwim Delta Coast and Nunivak Island, AK
Issued
7:00 AM CDT · Thu, Sep 24 2026
Expires
7:00 AM CDT · Sat, Sep 26 2026
Issuing Office
NWS PAFC

Affected Areas

Kuskokwim Delta Coast and Nunivak Island, AK

Official Bulletin

* WHAT...Water levels on average of 1 to 2 feet above the normal
highest tide line. Southeast winds 35 to 45 mph with gusts up to
60 mph expected Thursday. South winds 30 to 40 mph with gusts to
50 mph expected Friday.

* WHERE...Kuskokwim Delta Coast including Kwigillingok and Kipnuk.

* WHEN...From 4 AM Thursday to 4 AM Saturday.

* IMPACTS...Coastal flooding of low lying areas and erosion are
possible.

* ADDITIONAL DETAILS...There will be multiple peaks in water
levels for the Kuskokwim Delta Thursday morning through Saturday
morning coinciding with high tide cycles and strong southerly
winds. Southeast winds 35 to 45 mph with gusts to 60 mph
Thursday afternoon will diminish early Friday until the low
pressure system moves west of the coast by Friday afternoon.
Then, winds will become southerly at 30 to 40 mph with gusts to
50 mph by Friday afternoon. Winds gradually weaken but remain
southerly through Saturday.

For Kwigillingok, water levels reach 1 to 2 feet above the
normal highest tide line on Thursday, coinciding with the passage
of a frontal system. Water levels could reach up to 4 feet in a
worst case scenario.

For Kipnuk, the highest water levels of 1 to 2 feet above the
normal highest tide line are expected on Friday as a low pressure
system moves west of the coast and winds become southerly. Water
levels could reach 2 to 3 feet in a worst case scenario.

For more information regarding potential local flood impacts,
please reference maps.dggs.alaska.gov/akfit/

A coastal flood watch means that conditions favorable for
flooding are expected to develop. Coastal residents should be
alert for later statements or warnings, and take action to
protect property.