Station Name: SOUTH SAN FRANCISCO BAY AT DUMBARTON BRIDGE CA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 0 feet

Nearest Address:
Dumbarton Bridge
Menlo Park, CA
San Mateo County

GPS Coordinates: 37.5041043, -122.1205192

Nearby Water Temperatures

Beach Hazards Statement issued February 3 at 6:22PM PST until February 6 at 4:00AM PST by NWS San Francisco CA

Effective: Tue February 3, 2026, 6:22 PM
Expires: Wed February 4, 2026, 2:30 AM

* WHAT...For the Beach Hazards Statement, an increased risk of sneaker waves and strong rip currents with breaking waves of 14 to 19 feet expected. For the High Surf Advisory, large breaking waves of 17 to 22 feet, with a continuing increased risk of sneaker waves and strong rip currents. * WHERE...Pacific Coast beaches. * WHEN...For the Beach Hazards Statement, from 12 PM PST Thursday through 4 AM Friday. For the High Surf Advisory, from 4 AM Friday to 9 PM PST Saturday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion can be expected. Sneaker waves can sweep across the shoreline without warning, pulling people into the sea from rocks, jetties and beaches. Large breaking waves can overpower swimmers resulting in significant physical injury and increase the risk of drowning. Strong rip currents can rapidly pull swimmers away from shore.

Swimmers should remain out of the water due to dangerous surf conditions. Stay off of jetties, piers, rocks, and other waterside infrastructure. Remain out of the water to avoid hazardous surf and NEVER turn your back on the ocean. Monitor local weather, surf and tide forecasts at www.weather.gov/mtr.

High Surf Advisory issued February 3 at 6:22PM PST until February 7 at 9:00PM PST by NWS San Francisco CA

Effective: Tue February 3, 2026, 6:22 PM
Expires: Wed February 4, 2026, 2:30 AM

* WHAT...For the Beach Hazards Statement, an increased risk of sneaker waves and strong rip currents with breaking waves of 14 to 19 feet expected. For the High Surf Advisory, large breaking waves of 17 to 22 feet, with a continuing increased risk of sneaker waves and strong rip currents. * WHERE...Pacific Coast beaches. * WHEN...For the Beach Hazards Statement, from 12 PM PST Thursday through 4 AM Friday. For the High Surf Advisory, from 4 AM Friday to 9 PM PST Saturday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion can be expected. Sneaker waves can sweep across the shoreline without warning, pulling people into the sea from rocks, jetties and beaches. Large breaking waves can overpower swimmers resulting in significant physical injury and increase the risk of drowning. Strong rip currents can rapidly pull swimmers away from shore.

Swimmers should remain out of the water due to dangerous surf conditions. Stay off of jetties, piers, rocks, and other waterside infrastructure. Remain out of the water to avoid hazardous surf and NEVER turn your back on the ocean. Monitor local weather, surf and tide forecasts at www.weather.gov/mtr.

Beach Hazards Statement issued February 4 at 12:08AM PST until February 6 at 4:00AM PST by NWS San Francisco CA

Effective: Wed February 4, 2026, 12:08 AM
Expires: Wed February 4, 2026, 9:00 PM

* WHAT...For the Beach Hazards Statement, an increased risk of sneaker waves and strong rip currents with breaking waves of 14 to 19 feet expected. For the High Surf Advisory, large breaking waves of 17 to 22 feet, with a continuing increased risk of sneaker waves and strong rip currents. * WHERE...Pacific Coast beaches. * WHEN...For the Beach Hazards Statement, from late tonight through late Thursday night. For the High Surf Advisory, from 4 AM Friday to 9 PM PST Saturday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion can be expected. Sneaker waves can sweep across the shoreline without warning, pulling people into the sea from rocks, jetties and beaches. Large breaking waves can overpower swimmers resulting in significant physical injury and increase the risk of drowning. Dangerous conditions are forecast along the shoreline. Hazards include sneaker waves, strong rip currents, and large breaking waves.

Swimmers should remain out of the water due to dangerous surf conditions. Stay off of jetties, piers, rocks, and other waterside infrastructure. Remain out of the water to avoid hazardous surf and NEVER turn your back on the ocean. Monitor local weather, surf and tide forecasts at www.weather.gov/mtr.

High Surf Advisory issued February 4 at 12:08AM PST until February 7 at 9:00PM PST by NWS San Francisco CA

Effective: Wed February 4, 2026, 12:08 AM
Expires: Wed February 4, 2026, 9:00 PM

* WHAT...For the Beach Hazards Statement, an increased risk of sneaker waves and strong rip currents with breaking waves of 14 to 19 feet expected. For the High Surf Advisory, large breaking waves of 17 to 22 feet, with a continuing increased risk of sneaker waves and strong rip currents. * WHERE...Pacific Coast beaches. * WHEN...For the Beach Hazards Statement, from late tonight through late Thursday night. For the High Surf Advisory, from 4 AM Friday to 9 PM PST Saturday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion can be expected. Sneaker waves can sweep across the shoreline without warning, pulling people into the sea from rocks, jetties and beaches. Large breaking waves can overpower swimmers resulting in significant physical injury and increase the risk of drowning. Dangerous conditions are forecast along the shoreline. Hazards include sneaker waves, strong rip currents, and large breaking waves.

Swimmers should remain out of the water due to dangerous surf conditions. Stay off of jetties, piers, rocks, and other waterside infrastructure. Remain out of the water to avoid hazardous surf and NEVER turn your back on the ocean. Monitor local weather, surf and tide forecasts at www.weather.gov/mtr.