Severe Storm Surge ● Closed
Coastal Flood Warning issued September 24 at 5:33AM AKDT until September 26 at 4:00AM AKDT by NWS Anchorage AK, United States of America
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* WHAT...Water levels on average of 1.5 to 2.5 feet above the
normal highest tide line near Kwigillingok. 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...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 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 1.5 to 2.5 feet above the
normal highest tide line on Thursday, 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 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/
Measurements
| Coordinates | 39.9645, -100.8105 |
|---|---|
| Region | Kuskokwim Delta Coast and Nunivak Island |
| Location Precision | country |
| Issuing Authority | United States of America — us-noaa-nws-en |
| Cap Urgency | Expected |
| Cap Certainty | Likely |
| Cap Expires | 2026-09-24T17:00:00-08:00 |
Official source
Warnings courtesy of the issuing national meteorological service, via the WMO Alert Hub.
This is an official warning issued by the authority named above. Follow its instructions and those of your local emergency services.
Severity as published by WMO Alert Hub (national weather services).
View original reportThis event as JSON · API and licence
Source updated 25 days ago (Sep 24, 2026 13:35 UTC) · we last heard from WMO Alert Hub (national weather services) 20 seconds ago
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About this location
The agency did not publish coordinates for this warning. The pin is the centre of the country, not the location of the event — read the area name, not the map, for where it applies.
Area as the agency stated it: Kuskokwim Delta Coast and Nunivak Island
Official authorities in United States
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More for United States →What to do
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Understanding surge zones, evacuation timing, and why storm surge is the deadliest part of a tropical cyclone.
Open Storm Surge Safety Guide →Nearby & related events
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