NWS Anchorage AKCF.W 0001September 23, 2026
Coastal Flood Warning: Kuskokwim Delta Coast and Nunivak Island, AK
The National Weather Service office in Anchorage issued a coastal flood warning for Kuskokwim Delta Coast and Nunivak Island in Alaska, which was in force until 4:00 a.m. local time on September 26. It was the 1st coastal flood warning the NWS office in Anchorage issued in 2026. Alaska had 1 coastal flood warning in September 2026, against 0 in an average September of 2008-2025 (Alaska's coastal flood warnings by year).
ExpiredWarning
In force for 2 days; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Anchorage AK
- Area
- Kuskokwim Delta Coast and Nunivak Island
- State
- Alaska
- Level
- Warning
- Issued
- 11:00 a.m. AKDT, September 23, 2026
- In force from
- 4:00 a.m. AKDT, September 24, 2026
- Expires
- 4:00 a.m. AKDT, September 26, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Expected
- VTEC event
- PAFC CF.W 0001
- Official source
- National Weather Service: the notice at its source
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
* 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...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 1.5 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/
What the agency told people to do
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.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.