Alert USA
weather NWS moderate Yukon Delta Coast October 20, 2026 at 11:07 PM

Coastal Flood Watch

* 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.

Flooding in Yukon Delta Coast can cut off roads with little warning, damage homes near low-lying areas, and disrupt power and water service. Even a few inches of moving water can carry away a vehicle.

This report is based on information from NWS, monitored by Alert USA's verified emergency feed.

Alert USA anticipates a high chance of travel disruptions, elevated property risk in low-lying areas, and possible power outages while the event is active.

Recommended steps: avoid flooded roads — turn around, don't drown; move to higher ground if you are in a low-lying area; charge phones and prepare for power loss; check on family and neighbors.

Alert USA is tracking this flood event and will update this report as verified information becomes available.

Verified by Alert USA • NWS

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