Severe Hurricane / Cyclone / Typhoon ● Closed
Tropical Storm Watch issued October 10 at 8:10AM PDT by NWS San Diego CA, United States of America
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* WHAT...Tropical storm force winds, sustained winds of 34 knots
or more, are possible. Seas 6 to 10 ft.
* WHERE...Coastal Waters from San Mateo Point to the Mexican
Border and out to 10 nm and Waters from San Mateo Point to the
Mexican Border Extending 10 to 60 nm out including San
Clemente Island.
* WHEN...Sunday.
* IMPACTS...Very strong winds will cause hazardous seas which
could capsize or damage vessels and reduce visibility.
* ADDITIONAL DETAILS...Tropical storm force winds could begin as
early as Saturday night but are most likely to occur before noon
on Sunday. Winds are expected to weaken through Sunday
afternoon.
Measurements
| Coordinates | 39.9645, -100.8105 |
|---|---|
| Region | Coastal Waters from San Mateo Point to the Mexican Border and out to 10 nm; Waters from San Mateo point to the Mexican Border Extending 10 to 60 nm out inc |
| Location Precision | country |
| Issuing Authority | United States of America — us-noaa-nws-en-marine |
| Cap Urgency | Future |
| Cap Certainty | Possible |
| Cap Expires | 2026-10-10T16:15:00-07:00 |
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 9 days ago (Oct 10, 2026 15:11 UTC) · we last heard from WMO Alert Hub (national weather services) 27 seconds ago
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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 San Mateo Point to the Mexican Border and out to 10 nm; Waters from San Mateo point to the Mexican Border Extending 10 to 60 nm out inc
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.
Preparing for hurricane season, understanding watches vs warnings, storm surge evacuation, and riding out the storm safely.
Open Hurricane Safety Guide →Earlier hurricane / cyclone / typhoon 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
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