Severe Tropical Storm Watch | Effective 10/10/2026 21:57

Headline: 
Tropical Storm Watch issued October 10 at 9:57PM PDT by NWS San Diego CA
Event: 
Tropical Storm Watch
Urgency: 
Future
Effective: 
October 10, 2026 - 9:57pm
Expires: 
October 11, 2026 - 6:15am
Description: 
* 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 tonight but are most likely to occur before noon on Sunday. Winds are expected to weaken through Sunday afternoon.
Instruction: 
Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas.
Area Description: 
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 including San Clemente Island
Forcast Office: 
NWS San Diego CA
Sender: 
w-nws.webmaster@noaa.gov