National Weather ServiceAlaskaCoastal Flood AdvisoryArchive to October 1, 2026
Coastal Flood Advisories in Alaska
The National Weather Service issued 12 coastal flood advisories for Alaska in 2025 and 4 a year on average in 2008-2025; in 2021-2025 it had the 22nd most of any state. 2026 through September: 2, 64% above the average of 1 for those months in 2008-2025. Kuskokwim Delta was covered most often (22 times since 2008).
How many coastal flood advisories does Alaska get?
Every coastal flood advisory that covered part of Alaska. 2026 is an outline: the year is not over.
The numbers
| Year | Count |
|---|---|
| 2026 (through September) | 2 |
| 2025 | 12 |
| 2024 | 8 |
| 2023 | 4 |
| 2022 | 9 |
| 2021 | 3 |
| 2020 | 6 |
| 2019 | 8 |
| 2018 | 2 |
| 2017 | 6 |
| 2016 | 0 |
| 2015 | 2 |
| 2014 | 0 |
| 2013 | 2 |
| 2012 | 2 |
| 2011 | 0 |
| 2010 | 0 |
| 2009 | 1 |
| 2008 | 0 |
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
When in the year does Alaska get them?
Sum of 2008-2025; the busiest month is labelled.
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
Where in Alaska?
| County or forecast zone | Since 2008 | Since 2023 | Last issued |
|---|---|---|---|
| Kuskokwim Delta | 22 | 8 | January 17, 2025 |
| Bristol Bay | 17 | 2 | October 20, 2024 |
| Southern Seward Peninsula Coast | 12 | 5 | October 7, 2025 |
| Eastern Norton Sound and Nulato Hills | 10 | 4 | October 7, 2025 |
| Yukon Delta | 10 | 0 | November 7, 2022 |
| Baldwin Peninsula and Selawik Valley | 6 | 0 | December 5, 2021 |
| Kuskokwim Delta Coast and Nunivak Island | 6 | 6 | September 14, 2026 |
| Chukchi Sea Coast | 5 | 0 | November 7, 2022 |
| Northern and Interior Seward Peninsula | 5 | 0 | October 6, 2022 |
| St Lawrence Island and Bering Strait Coast | 5 | 0 | December 5, 2021 |
| Bering Strait Coast | 4 | 4 | October 7, 2025 |
| Northern Arctic Coast | 4 | 1 | October 13, 2025 |
The NWS issues these products for counties or forecast zones; a zone can be part of a county or a mountain range.
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
What is a coastal flood advisory?
A coastal flood advisory covers minor coastal flooding at high tide, such as water on shore roads and low parking lots. An advisory is issued for a hazard less serious than a warning that can still cause inconvenience or danger if people are not careful. The national record · Every warning type in Alaska.