Swell Matrix

Area Forecast Discussion

National Weather Service San Francisco CA

513 pm PDT Fri jul 26 2024

Synopsis

Issued at 305 AM PDT Fri Jul 26 2024

Temperatures cool down more significantly beginning today with below average temperatures to persist through mid next week. Some potential for light drizzle along the coast Friday into Saturday and Saturday into Sunday.

Aviation

(00z TAFS) Issued at 511 PM PDT Fri Jul 26 2024

LIFR/IFR CIGS are affecting the immediate coast and will fill over the Monterey Bay and SF Bay terminals later this evening as winds reduce. CIGs continue to move inland overnight, affecting the remainder of the TAF sites. Winds are expected to stay light to moderate overnight, with some pockets of mist and fog forming in areas with the lightest winds. CIGs erode in the more inland areas in the mid morning, while the Monterey Bay sees clearing in the afternoon, however cloud cover looks to remain over the SF Bay for the remainder of the TAF period.

Vicinity of SFO, Breezy winds reduce in the evening as IFR CIGs arrive. Expect these CIGs and moderate winds through the night and into Saturday morning. CIGS lift to MVFR levels into Saturday afternoon as breezy westerly winds arrive. CIGs are expected through the rest of the TAF period.

SFO Bridge Approach, Similar to SFO, with some chances of spotty IFR-level cloud cover early Tuesday morning.

Monterey Bay Terminals, LIFR/IFR CIGs and mist push inland this evening and last until the late morning before lifting, and eroding into the afternoon as breezy winds arrive. CIGs move inland again in the late afternoon on Saturday, Filling over MRY.

Marine

(tonight through next Thursday) Issued at 511 PM PDT Fri Jul 26 2024

Moderate northwesterly breezes linger through the weekend before reducing. Expect some hazardous gusts in the northern outer waters as well as along the Big Sur Coast. Significant wave heights will continue to abate through the weekend.

Watches, Warnings, Advisories

Ca, none. Pz, small craft advisory until 9 am PDT Saturday for SF Bay n of bay bridge.

small craft advisory from 3 pm to 9 pm PDT Saturday for pt pinos to pt piedras blancas 0-10 nm.

small craft advisory until 3 am PDT Sunday for pt arena to pt reyes 10-60 nm.

small craft advisory until 3 am PDT Saturday for pigeon pt to pt pinos 10-60 nm.

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