Alert archive / California / Small Craft Advisories in 2025

Small Craft Advisory 166, NWS San Francisco Bay Area, CA

September 16, 2025

NWS San Francisco Bay Area, CA issued this small craft advisory at Sep 16, 2025, 2:15 PM PDT. It took effect at Sep 17, 2025, 9:00 AM PDT. It was in force for 48 hr.

The area

The counties it named.

The facts

Issued
Sep 16, 2025, 2:15 PM PDT (21:15 UTC)
In effect from
Sep 17, 2025, 9:00 AM PDT
Expired
Sep 19, 2025, 9:00 AM PDT
In force
48 hr
Issued by
NWS San Francisco Bay Area, CA

The office that day

Everything else NWS San Francisco Bay Area, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 16, 12:49 AM PDTDense Fog AdvisoryMTRMonterey, San Benito, San Mateo, Santa Cruz9 hr
Sep 16, 4:13 AM PDTMarine Dense Fog AdvisoryMTR6 hr
Sep 16, 2:15 PM PDTGale WatchMTR12 hr

Nearby

Small Craft Advisories in California, 2025Every small craft advisory in 2025

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.