Coastal Flood — Kuskokwim Delta Coast And Nunivak Island, Alaska
October 12, 2025 · NOAA Storm Events record
Event narrative (NOAA)
Storm surge from strong southwesterly onshore winds brought water levels to over 6 feet above the normal highest tide line along the Kuskokwim Delta coast during the morning high tide October 12. Water levels peaked in Kwigillingok at 6.3 ft above the normal highest tide line. This surge was more than twice the previous record of 3.1 ft set in 1990. The Kipnuk gage datum recorded water levels of 5.86 ft above the normal highest tide line before the instrument experienced an outage (the actual crest was likely higher). Houses floated off of their foundations in numerous communities including Nightmute, Chefornak, Kipnuk, Kwigillingok, Kongiganak, Tuntutuliak, and Quinhagak. In Kwigillingok, an estimated 37 homes drifted from their foundation, and a preliminary assessment indicates every hom
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Source: NOAA/NCEI Storm Events Database. Deaths and injuries are those NOAA classifies as direct. Damage is the reporting office's estimate at the time and is not inflation-adjusted. This is a catalogue record, not a forecast.