Station Name: SAN FRANCISCO BAY 2.8 MI N OF SAN MATEO BRIDGE CA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 0 feet

Nearest Address:
San Francisco Bay
San Mateo, CA 94401
San Mateo County

GPS Coordinates: 37.63078889, -122.2432

Nearby Water Temperatures

Coastal Flood Advisory issued January 30 at 4:15AM PST until February 1 at 12:00PM PST by NWS San Francisco CA

Effective: Fri January 30, 2026, 4:15 AM
Expires: Fri January 30, 2026, 2:00 PM

* WHAT...Up to 1.4 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. * WHERE...Bayshore locations along the San Francisco Bay and San Pablo Bay. * WHEN...Until noon PST Sunday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be: 1.4 ft above normal (7.20 ft MLLW) at 8:34 AM Friday 1/30, 1.4 ft above normal (7.27 ft MLLW) at 9:30 AM Saturday 1/31, 1.3 ft above normal (7.16 ft MLLW) at 10:22 AM Sunday 2/1. These predictions include up to 0.4 ft of storm surge from an incoming moderate to long period swell that will enhance the astronomical tide and flooding threat. High tide timing varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.

Beach Hazards Statement issued January 30 at 4:15AM PST until February 2 at 9:00AM PST by NWS San Francisco CA

Effective: Fri January 30, 2026, 4:15 AM
Expires: Fri January 30, 2026, 2:00 PM

* WHAT...An increased risk of sneaker waves and strong rip currents with breaking waves of 14 to 19 feet. * WHERE...Pacific Coast beaches. * WHEN...Through Monday morning. * IMPACTS...Dangerous conditions are forecast along the shoreline. Hazards include sneaker waves, strong rip currents, and large breaking waves.

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.

Coastal Flood Advisory issued January 30 at 11:13AM PST until February 1 at 12:00PM PST by NWS San Francisco CA

Effective: Fri January 30, 2026, 11:13 AM
Expires: Sat January 31, 2026, 5:00 AM

* WHAT...Up to 1.3 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. * WHERE...Bayshore locations along the San Francisco Bay and San Pablo Bay. * WHEN...Until noon PST Sunday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be: 1.3 ft above normal (7.20 ft MLLW) at 9:30 AM Saturday 1/31 and 1.2 ft above normal (6.96 ft MLLW) at 10:22 AM Sunday 2/1. These predictions include up to 0.3 ft of storm surge from an incoming moderate to long period swell that will enhance the astronomical tide and flooding threat. High tide timing varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.

Beach Hazards Statement issued January 30 at 11:13AM PST until February 2 at 9:00AM PST by NWS San Francisco CA

Effective: Fri January 30, 2026, 11:13 AM
Expires: Sat January 31, 2026, 5:00 AM

* WHAT...An increased risk of sneaker waves and strong rip currents with breaking waves of 14 to 19 feet. * WHERE...Pacific Coast beaches. * WHEN...Through Monday morning. * IMPACTS...Dangerous conditions are forecast along the shoreline. Hazards include sneaker waves, strong rip currents, and large breaking waves.

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.

Coastal Flood Advisory issued January 30 at 4:15AM PST until February 1 at 12:00PM PST by NWS San Francisco CA

Effective: Fri January 30, 2026, 4:15 AM
Expires: Fri January 30, 2026, 2:00 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. For the Coastal Flood Advisory, up to 1.4 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. * WHERE...San Francisco and Monterey Bay. * WHEN...For the Beach Hazards Statement, through 9 AM PST Monday morning. For the Coastal Flood Advisory, until noon PST Sunday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Dangerous conditions are forecast along the shoreline. Hazards include sneaker waves, strong rip currents, and large breaking waves. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be: 1.4 ft above normal (7.20 ft MLLW) at 8:34 AM Friday 1/30, 1.4 ft above normal (7.27 ft MLLW) at 9:30 AM Saturday 1/31, 1.3 ft above normal (7.16 ft MLLW) at 10:22 AM Sunday 2/1. These predictions include up to 0.4 ft of storm surge from an incoming moderate to long period swell that will enhance the astronomical tide and flooding threat. High tide timing varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. 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 January 30 at 4:15AM PST until February 2 at 9:00AM PST by NWS San Francisco CA

Effective: Fri January 30, 2026, 4:15 AM
Expires: Fri January 30, 2026, 2:00 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. For the Coastal Flood Advisory, up to 1.4 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. * WHERE...San Francisco and Monterey Bay. * WHEN...For the Beach Hazards Statement, through 9 AM PST Monday morning. For the Coastal Flood Advisory, until noon PST Sunday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Dangerous conditions are forecast along the shoreline. Hazards include sneaker waves, strong rip currents, and large breaking waves. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be: 1.4 ft above normal (7.20 ft MLLW) at 8:34 AM Friday 1/30, 1.4 ft above normal (7.27 ft MLLW) at 9:30 AM Saturday 1/31, 1.3 ft above normal (7.16 ft MLLW) at 10:22 AM Sunday 2/1. These predictions include up to 0.4 ft of storm surge from an incoming moderate to long period swell that will enhance the astronomical tide and flooding threat. High tide timing varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. 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.

Coastal Flood Advisory issued January 30 at 11:13AM PST until February 1 at 12:00PM PST by NWS San Francisco CA

Effective: Fri January 30, 2026, 11:13 AM
Expires: Sat January 31, 2026, 5:00 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. For the Coastal Flood Advisory, up to 1.3 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. * WHERE...San Francisco and Monterey Bay. * WHEN...For the Coastal Flood Advisory, until noon PST Sunday. For the Beach Hazards Statement, through Monday morning. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Dangerous conditions are forecast along the shoreline. Hazards include sneaker waves, strong rip currents, and large breaking waves. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be: 1.3 ft above normal (7.20 ft MLLW) at 9:30 AM Saturday 1/31 and 1.2 ft above normal (6.96 ft MLLW) at 10:22 AM Sunday 2/1. These predictions include up to 0.3 ft of storm surge from an incoming moderate to long period swell that will enhance the astronomical tide and flooding threat. High tide timing varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. 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 January 30 at 11:13AM PST until February 2 at 9:00AM PST by NWS San Francisco CA

Effective: Fri January 30, 2026, 11:13 AM
Expires: Sat January 31, 2026, 5:00 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. For the Coastal Flood Advisory, up to 1.3 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. * WHERE...San Francisco and Monterey Bay. * WHEN...For the Coastal Flood Advisory, until noon PST Sunday. For the Beach Hazards Statement, through Monday morning. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Dangerous conditions are forecast along the shoreline. Hazards include sneaker waves, strong rip currents, and large breaking waves. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be: 1.3 ft above normal (7.20 ft MLLW) at 9:30 AM Saturday 1/31 and 1.2 ft above normal (6.96 ft MLLW) at 10:22 AM Sunday 2/1. These predictions include up to 0.3 ft of storm surge from an incoming moderate to long period swell that will enhance the astronomical tide and flooding threat. High tide timing varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. 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.