San Francisco Bay PORTS, NOAA/NOS 2026-04-21 19:51 PDT
----------------------------Water Levels (above MLLW)---------------------------
West Sacramento 2.7 ft, Rising Port Chicago 4.6 ft, Steady
Martinez-Amorco Pier 5.0 ft, Falling Richmond 4.6 ft, Falling
Alameda 4.7 ft, Falling Redwood City 6.0 ft, Falling
San Francisco 4.2 ft, Falling
--------------------------------------Winds-------------------------------------
Spd Dir Gusts Spd Dir Gusts
Port Chicago 7 kn SW 9 Davis Point 11 kn WSW 14
Union Pacific RR Br 11 kn WSW 16 Pittsburg 6 kn SW 10
Martinez-Amorco Pier 9 kn SSW 12 Richmond 4 kn WSW 11
Point Potrero Richm.. 7 kn WSW 12 Oakland Berth 34 9 kn WNW 14
Oakland Middle Hbr 11 kn W 15 Oakland Berth 67 6 kn W 9
Alameda 8 kn WSW 11 Redwood City 8 kn WSW 11
Pier 1 7 kn WSW 13 San Francisco 6 kn WSW 9
----------------------------Air and Water Temperature---------------------------
Air Water Air Water
San Francisco Bar W.. 57 °F 58 °F Port Chicago 56 °F 63 °F
Davis Point 59 °F Pittsburg 57 °F
Martinez-Amorco Pier 57 °F *** °F Richmond 57 °F 60 °F
Point Potrero Richm.. 58 °F Oakland Berth 38 57 °F
Oakland Berth 34 57 °F Oakland Berth 67 58 °F
Alameda 58 °F 63 °F Redwood City 57 °F *** °F
Pier 1 57 °F Pier 17 58 °F
San Francisco 57 °F *** °F
--------------------------------Relative Humidity-------------------------------
Martinez-Amorco Pier 70% Oakland Berth 38 81%
Pier 17 76%
-------------------------------Barometric Pressure------------------------------
Port Chicago 1015 mb Rising Davis Point 1015 mb Rising
Pittsburg 1015 mb Rising Martinez-Amorco Pier 1016 mb Rising
Richmond 1015 mb Rising Point Potrero Richm.. 1016 mb Rising
Oakland Berth 34 1016 mb Rising Oakland Berth 67 1016 mb Rising
Alameda 1016 mb Rising Redwood City 1016 mb Rising
Pier 1 1015 mb Rising San Francisco 1016 mb Rising
-----------------------------------Visibility-----------------------------------
Martinez-Amorco Pier *** nm Oakland Berth 38 5.4 nm
Pier 17 5.4 nm
-----------------Air Gap/Bridge Clearance (above water surface)-----------------
Bay Bridge D-E Span 201.6 ft, Incr.
------------------Currents (F)lood, (S)lack, (E)bb, towards °T------------------
Spd Dir Spd Dir
Oakl Inner Harb LB4 1.1 kn (E), 342.0°T Oakl Outer Harb LB3 *** kn ( ), ***°T
S-hampton Sh Ch LB6 0.4 kn (E), 95.0°T Martinez-Amorco Pier 1.3 kn (F), 72.0°T
Golden Gate (pred) 0.8 kn (E), 212.0°T
--------------------------------------Waves-------------------------------------
SigHt PkDir PkPer SigHt PkDir PkPer
San Francisco Bar W.. 4.7 ft 239°T 17 s
*** Data not displayed as a result of quality control monitoring. For information on
missing data, go to PORTS Station Status or call (301) 713-2540.