Moderate Storm Surge ● Active
Hazardous Seas Warning issued October 21 at 2:13PM PDT until October 23 at 11:00AM PDT by NWS Medford OR, United States of America
Loading live data… · Marker positions are approximate; severity is labelled in each popup. Sources: USGS, GDACS, NASA EONET, NOAA/NWS, EMSC.
* WHAT...For the Small Craft Advisory, north winds 15 to 25 kt
with gusts up to 35 kt and steep seas 6 to 9 ft expected. For
the Hazardous Seas Warning, very steep and hazardous seas 8 to
11 ft expected.
* WHERE...Advisory winds and seas will impact all areas with
warning level seas south of Ophir and beyond 5 NM from shore.
* WHEN...For the Small Craft Advisory, from 8 PM this evening to
11 AM PDT Friday. For the Hazardous Seas Warning, from 5 PM
Thursday to 11 AM PDT Friday.
* IMPACTS...Gusty winds and steep to very steep and hazardous
seas could capsize or damage vessels. Bar crossings will become
especially treacherous.
* View the hazard area in detail at https://go.usa.gov/x6hks
Measurements
| Coordinates | 39.9645, -100.8105 |
|---|---|
| Region | Coastal waters from Cape Blanco OR to Pt. St. George CA out 10 nm; Waters from Cape Blanco OR to Pt. St. George CA from 10 to 60 nm |
| Location Precision | country |
| Issuing Authority | United States of America — us-noaa-nws-en-marine |
| Cap Urgency | Expected |
| Cap Certainty | Likely |
| Cap Expires | 2026-10-22T03:15:00-07:00 |
Official source
Warnings courtesy of the issuing national meteorological service, via the WMO Alert Hub.
This is an official warning issued by the authority named above. Follow its instructions and those of your local emergency services.
Severity as published by WMO Alert Hub (national weather services).
View original reportThis event as JSON · API and licence
Source updated 1 hour ago (Oct 21, 2026 21:14 UTC) · we last heard from WMO Alert Hub (national weather services) 25 seconds ago
On a slow connection? Low-bandwidth version — no map, no scripts, under 14 KB.
About this location
The agency did not publish coordinates for this warning. The pin is the centre of the country, not the location of the event — read the area name, not the map, for where it applies.
Area as the agency stated it: Coastal waters from Cape Blanco OR to Pt. St. George CA out 10 nm; Waters from Cape Blanco OR to Pt. St. George CA from 10 to 60 nm
Official authorities in United States
If you are there, these are the bodies whose instructions apply. This site is not an emergency service and does not issue warnings.
More for United States →What to do
Follow the instructions issued by WMO Alert Hub (national weather services) and your local emergency services. The guidance below is background.
Understanding surge zones, evacuation timing, and why storm surge is the deadliest part of a tropical cyclone.
Open Storm Surge Safety Guide →Earlier storm surge events in United States
Severe and extreme events of the same kind, before this one. Listed for scale, not because they are connected to it.
Nearby & related events
Disclaimer: figures are automatic feeds from the named agencies and may be revised. Do not use this page for life-safety decisions — follow official local emergency services.