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Severe · Coastal Flood WarningActive alert

Coastal Flood Warning issued September 25 at 4:26AM AKDT until September 26

Affecting Kuskokwim Delta Coast and Nunivak Island

In effect until: Sep 26, 2026, 1:00 AM

Kuskokwim Delta Coast and Nunivak Island

Likely impact; effects through 1:00 AM.

A coastal flood warning means that flooding is occurring or imminent. Coastal residents in the warned area should be alert for rising water, and take appropriate action to protect life and property.

Read the original bulletin (official text)
* WHAT...Water levels on average of 1.5 to 2.5 feet above the
normal highest tide line. Southeast winds becoming south winds
30 to 40 mph with gusts to 50 mph.

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

* WHEN...Until 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 this morning through Saturday
morning coinciding with high tide cycles and strong southerly
winds. Southeast winds becoming 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 1.5 to 2.5 feet above the
normal highest tide line today, coinciding with the passage of a
frontal system. Water levels could reach up to 5 feet in a worst
case scenario. If water levels rise to 2.5 feet, impacts would be
comparable to the August 2024 storm.

For Kipnuk, the highest water levels of 1.5 to 2.5 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/
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™