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 November 4 at 10:05AM PST until November 9 at 1:00PM PST by NWS San Francisco CA

Effective: Wed November 4, 2026, 10:05 AM
Expires: Wed November 4, 2026, 7:00 PM

* WHAT...Up to 1.6 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...From 6 AM Wednesday to 1 PM PST Monday. * 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. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be 1.3 ft above normal (7.1 ft MLLW) at 8:35 AM Thursday 11/5, 1.4 ft above normal (7.2 ft MLLW) at 9:08 AM Friday 11/6, 1.6 ft above normal (7.4 ft MLLW) at 9:38 AM Saturday 11/7, 1.6 ft above normal (7.4 ft MLLW) at 10:06 AM Sunday 11/8, 1.6 ft above normal (7.4 ft MLLW) at 10:35 AM Monday 11/9. These predictions include up to 1.2 ft of surge that will enhance the astronomical tide and flooding threat. High tide varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.

Small Craft Advisory issued November 4 at 8:57AM PST until November 4 at 9:00PM PST by NWS San Francisco CA

Effective: Wed November 4, 2026, 8:57 AM
Expires: Wed November 4, 2026, 5:00 PM

* WHAT...Northwest winds 15 to 20 kt with gusts to 25 kt expected. * WHERE...Coastal Waters from Point Reyes to Pigeon Point California out to 10 NM. * WHEN...From 3 PM this afternoon to 9 PM PST this evening. * IMPACTS...Conditions will be hazardous to small craft.

Small Craft Advisory issued November 4 at 2:41PM PST until November 4 at 9:00PM PST by NWS San Francisco CA

Effective: Wed November 4, 2026, 2:41 PM
Expires: Wed November 4, 2026, 9:00 PM

* WHAT...Northwest winds 15 to 20 kt with gusts to 25 kt expected. * WHERE...Coastal Waters from Point Reyes to Pigeon Point California out to 10 NM. * WHEN...From 3 PM this afternoon to 9 PM PST this evening. * IMPACTS...Conditions will be hazardous to small craft.