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Active official alertUpdated

High Surf Advisory for San Francisco; Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast +2 more

Official alert fields

What you need to know

Effective
Ends or expires
Official severity
Minor
Official urgency
Expected
Official certainty
Likely

What is happening

What: Large breaking waves of 20 to 25 ft, with occasional sets of 25 to 35 ft at favored breakpoints. Impacts: High tides will result in flooding of low-lying infrastructure, isolated road closures, and coastal erosion. Rising tides will bring water and waves farther up the beach than normal, restricting escape...

What the bulletin says to do

Swimmers should remain out of the water due to dangerous surf conditions.

Full official description

Bulletin details

* WHAT...Large breaking waves of 20 to 25 ft, with occasional sets of 25 to 35 ft at favored breakpoints. * WHERE...All Pacific Coast Beaches. * WHEN...Until 4 AM PST Tuesday. * IMPACTS...High tides will result in flooding of low-lying infrastructure, isolated road closures, and coastal erosion. Rising tides will bring water and waves farther up the beach than normal, restricting escape from beaches and coastal areas. Dangerously large breaking waves can overpower swimmers, pulling people into the sea from beaches, jetties, and rocks resulting in significant physical injury and increasing the risk of drowning. Waves can sweep across the shoreline without warning, pulling people into the sea from beaches, jetties, and rocks.

Official geometry where available

Alert boundary

Lifecycle record

Official revisions

2 captured
  1. Update

    High Surf Advisory issued November 15 at 3:43AM PST until November 17 at 4:00AM PST by NWS San Francisco CA

    Official revision
  2. Alert

    High Surf Advisory issued November 15 at 12:29AM PST until November 17 at 4:00AM PST by NWS San Francisco CA

    Official revision

Source and limitations

Publisher: Weather Alert Watch. Primary source: NWS San Francisco CA. This page reorganizes official fields and does not add a forecast or expand the affected area.

CAP status
Actual
Message type
Update
Last collected
Methodology and corrections