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

Coastal Flood Advisory issued June 11 at 8:48PM PDT until June 17 at 3:00AM PDT by NWS San Francisco CA

Effective: Thu June 11, 2026, 8:48 PM
Expires: Fri June 12, 2026, 3:00 PM

* WHAT...Up to 1.9 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. * WHERE...Bayshore regions near the San Francisco Bay. * WHEN...From 7 PM this evening to 3 AM PDT Wednesday. * 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 (7.1 ft MLLW) at 8:51 PM on Thursday the 11th, 1.6 ft above normal (7.5 ft MLLW) at 9:34 PM on Friday the 12th, 1.8 ft above normal (7.7 ft MLLW) at 10:20 PM on Saturday the 13th, 1.9 ft above normal (7.8 ft MLLW) at 11:10 PM on Sunday the 14th, 1.7 ft above normal (7.5 ft MLLW) at 12:02 AM on Tuesday the 16th, and 1.5 ft above normal (7.3 ft MLLW) at 12:56 AM on Wednesday the 17th. High tide 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.

Coastal Flood Advisory issued June 12 at 11:55AM PDT until June 16 at 3:00AM PDT by NWS San Francisco CA

Effective: Fri June 12, 2026, 11:55 AM
Expires: Fri June 12, 2026, 8:00 PM

* WHAT...For the Coastal Flood Advisory, up to 2.0 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. For the Beach Hazards Statement, increased risk of sneaker waves and strong rip currents expected. * WHERE...Pacific Coast Beaches. * WHEN...For the Coastal Flood Advisory, from 7 PM PDT Saturday to 3 AM PDT Tuesday. For the Beach Hazards Statement, from 3 AM PDT Sunday through 3 AM PDT Wednesday. * IMPACTS...High tide flooding of lots, parks, and roads with only isolated road closures expected. 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. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be 1.9 ft above normal (7.8 ft MLLW) at 10:20 PM on Saturday the 13th, 2.0 ft above normal (7.8 ft MLLW) at 11:10 PM on Sunday the 14th, 1.9 ft above normal (7.8 ft MLLW) at 12:02 AM on Tuesday the 16th. High tide 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 June 12 at 11:55AM PDT until June 17 at 3:00AM PDT by NWS San Francisco CA

Effective: Fri June 12, 2026, 11:55 AM
Expires: Fri June 12, 2026, 8:00 PM

* WHAT...Up to 2.0 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. * WHERE...Low-lying bayshore regions along the San Francisco and San Pablo Bays. * WHEN...Until 3 AM PDT Wednesday. * 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 1.7 ft above normal (7.6 ft MLLW) at 9:34 PM on Friday the 12th, 1.9 ft above normal (7.8 ft MLLW) at 10:20 PM on Saturday the 13th, 2.0 ft above normal (7.8 ft MLLW) at 11:10 PM on Sunday the 14th, 1.9 ft above normal (7.8 ft MLLW) at 12:02 AM on Tuesday the 16th, and 1.6 ft above normal (7.4 ft MLLW) at 12:56 AM on Wednesday the 17th. High tide 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 June 12 at 11:55AM PDT until June 17 at 3:00AM PDT by NWS San Francisco CA

Effective: Fri June 12, 2026, 11:55 AM
Expires: Fri June 12, 2026, 8:00 PM

* WHAT...For the Coastal Flood Advisory, up to 2.0 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. For the Beach Hazards Statement, increased risk of sneaker waves and strong rip currents expected. * WHERE...Pacific Coast Beaches. * WHEN...For the Coastal Flood Advisory, from 7 PM PDT Saturday to 3 AM PDT Tuesday. For the Beach Hazards Statement, from 3 AM PDT Sunday through 3 AM PDT Wednesday. * IMPACTS...High tide flooding of lots, parks, and roads with only isolated road closures expected. 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. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be 1.9 ft above normal (7.8 ft MLLW) at 10:20 PM on Saturday the 13th, 2.0 ft above normal (7.8 ft MLLW) at 11:10 PM on Sunday the 14th, 1.9 ft above normal (7.8 ft MLLW) at 12:02 AM on Tuesday the 16th. High tide 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.

Heat Advisory issued June 12 at 5:26AM PDT until June 12 at 7:00PM PDT by NWS San Francisco CA

Effective: Fri June 12, 2026, 5:26 AM
Expires: Fri June 12, 2026, 7:00 PM

* WHAT...Temperatures between 90 and 95 for most areas, with some readings above 100 degrees. Hottest conditions across the East Bay Hills and Valleys. * WHERE...The Santa Clara Valley and Eastern Hills, and The East Bay Hills and Valleys. * WHEN...Until 7 PM PDT this evening. * IMPACTS...This level of heat affects primarily those individuals extremely sensitive to heat, especially when outdoors without effective cooling and/or adequate hydration.

Hydration is a critical piece to surviving the heat. Drink water, and if possible, take water to those who are vulnerable. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to the early morning or evening. Take action when you experience symptoms of heat exhaustion and/or heat stroke. Beat the heat and check the backseat! Do not leave young children or pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.