Enter any address in San Juan County, Washington to see its FEMA flood zone
2 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
San Juan County, Washington has recorded 3 flood-related events since 1996 according to NOAA's Storm Events Database. The county has received 12 federal disaster declarations, 5 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1980–2021)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Severe Storms, Straight-line Winds, Flooding, Landslides, And Mudslides | Flood | Nov 5, 2021 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Severe Storms, Flooding, Landslides, And Mudslides | Flood | Jan 20, 2020 |
| Severe Winter Storm, Landslides, And Mudslides | Severe Storm | Dec 14, 2006 |
| Severe Storms, Flooding, Tidal Surge, Landslides, And Mudslides | Severe Storm | Jan 27, 2006 |
| Hurricane Katrina Evacuation | Coastal Storm | Aug 29, 2005 |
| Severe Storms And Flooding | Severe Storm | Oct 15, 2003 |
| Severe Winter Storms, Land & Muds Slides,flooding | Severe Storm | Dec 26, 1996 |
| Severe Storms & High Tides | Flood | Dec 20, 1990 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flood | Nov 15, 2021 | 475.00K |
| Coastal Flood | Dec 17, 2012 | 0.00K |
| Storm Surge/Tide | Jan 2, 2003 | 10K |
Flood — Nov 15, 2021
An upper level trough Gulf Low continued off the west coast that brought a series of atmospheric rivers resulting in flooding across parts of western Washington. This second atmospheric river episode of the month was a set of three atmospheric rivers back-to-back-to-back. Water vapor transport into Western Washington averaged 160 - 200% of normal during the period of 11 November - 16 November. ...
Coastal Flood — Dec 17, 2012
High astronomical tides coincided with low pressure to cause record high tide levels throughout Puget Sound. Many homes and yards along the shoreline were flooded.
Storm Surge/Tide — Jan 2, 2003
High tides, along with low pressure and occasional strong winds and heavy rains, produced flooding along the coast and in the northern marine areas of western Washington. Several roads were closed including SR 109 in Ocean Shores and parts of Highway 101. Flooding reached into dozens of homes and businesses in Ocean City and Copalis Beach. Near Eastsound, in the San Juans, a large area of de...
Source: NOAA National Weather Service Storm Events Database.
Source: OpenFEMA NFIP Individual Claims (2.25M records analyzed).
FEMA assigns flood zone designations to areas in San Juan County, Washington:
AE High Risk — 1% annual chance of flooding. Insurance required.
VE Very High Risk — Coastal flooding with wave action.
X (Shaded) Moderate Risk — 500-year floodplain.
X Low Risk — Outside major floodplains.
Properties in San Juan County, Washington that are in FEMA-designated Special Flood Hazard Areas (zones A and V) with federally backed mortgages are required to carry flood insurance.
Even outside high-risk zones, flood insurance is recommended. From 2014 to 2024, nearly one-third of NFIP claims came from outside the high-risk Special Flood Hazard Area.
Visit FloodSmart.gov to find an agent and get a quote.