Moderate Storm Surge ● Active
Coastal Flood Watch issued October 20 at 3:07PM AKDT until October 25 at 10:00PM AKDT by NWS Fairbanks AK, United States of America
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* WHAT...Significant coastal flooding possible. Water levels in
the 4 to 8 feet above the normal high tide range for Hooper Bay.
Water levels in the 2 to 6 foot above the normal high tide range
for the rest of the Yukon Delta.
* WHERE...Yukon Delta Coast.
* WHEN...From late Thursday night through Sunday evening.
* IMPACTS...Low lying property including homes, businesses, and
some critical infrastructure may be inundated. Some shoreline
erosion may occur.
* ADDITIONAL DETAILS...Strong south to southeast winds up to 65
mph possible. 8 feet at Hooper Bay is the current high end
forecast estimate with 6 feet being the current mean forecast
estimate. There remains considerable uncertainty in the exact
height of the highest water levels and we will continue to
update the forecast as confidence improves.
Measurements
| Coordinates | 39.9645, -100.8105 |
|---|---|
| Region | Yukon Delta Coast |
| Location Precision | country |
| Issuing Authority | United States of America — us-noaa-nws-en |
| Cap Urgency | Future |
| Cap Certainty | Possible |
| Cap Expires | 2026-10-21T22:00:00-08:00 |
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 reportAlso reported by: WMO
This event as JSON · API and licence
Source updated 1 hour ago (Oct 20, 2026 23:08 UTC) · we last heard from WMO Alert Hub (national weather services) 19 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: Yukon Delta Coast
Official authorities in United States
If you are there, these are the bodies whose instructions apply. This site is not an emergency service and does not issue warnings.
More for United States →What to do
Follow the instructions issued by WMO Alert Hub (national weather services) and your local emergency services. The guidance below is background.
Understanding surge zones, evacuation timing, and why storm surge is the deadliest part of a tropical cyclone.
Open Storm Surge Safety Guide →Earlier storm surge events in United States
Severe and extreme events of the same kind, before this one. Listed for scale, not because they are connected to it.
Nearby & related events
Disclaimer: figures are automatic feeds from the named agencies and may be revised. Do not use this page for life-safety decisions — follow official local emergency services.