San Francisco Bay PORTS, NOAA/NOS 2025-04-21 17:43 PDT
----------------------------Water Levels (above MLLW)---------------------------
West Sacramento 0.8 ft, Falling Port Chicago 0.6 ft, Rising
Martinez-Amorco Pier 1.2 ft, Rising Richmond 3.3 ft, Rising
Alameda 3.4 ft, Rising Redwood City 4.4 ft, Rising
San Francisco 3.2 ft, Rising
--------------------------------------Winds-------------------------------------
Spd Dir Gusts Spd Dir Gusts
Port Chicago 10 kn W 11 Davis Point 7 kn SW 8
Union Pacific RR Br 10 kn WNW 14 Pittsburg 9 kn NW 11
Martinez-Amorco Pier 12 kn NW 13 Richmond 2 kn SE 4
Point Potrero Richm.. 8 kn SSW 10 Oakland Berth 34 5 kn WNW 10
Oakland Middle Hbr 8 kn W 9 Oakland Berth 67 5 kn WSW 7
Alameda 9 kn W 12 Redwood City 11 kn NNW 13
Pier 1 9 kn WSW 12 San Francisco 11 kn WSW 21
----------------------------Air and Water Temperature---------------------------
Air Water Air Water
San Francisco Bar W.. 55 °F 59 °F Port Chicago 72 °F *** °F
Davis Point 68 °F Pittsburg 74 °F
Martinez-Amorco Pier 72 °F 63 °F Richmond 66 °F 61 °F
Point Potrero Richm.. 61 °F Oakland Berth 38 62 °F
Oakland Berth 34 62 °F Oakland Berth 67 64 °F
Alameda 63 °F 65 °F Redwood City 69 °F 67 °F
Pier 1 64 °F Pier 17 63 °F
San Francisco 55 °F *** °F
--------------------------------Relative Humidity-------------------------------
Martinez-Amorco Pier 57% Oakland Berth 38 79%
Pier 17 74%
-------------------------------Barometric Pressure------------------------------
Port Chicago 1012 mb Falling Davis Point 1012 mb Falling
Pittsburg 1012 mb Falling Martinez-Amorco Pier 1012 mb Falling
Richmond 1013 mb Falling Point Potrero Richm.. 1014 mb Falling
Oakland Berth 34 1013 mb Falling Oakland Berth 67 1013 mb Falling
Alameda 1013 mb Falling Redwood City 1012 mb Falling
Pier 1 1012 mb Falling San Francisco 1013 mb Falling
-----------------------------------Visibility-----------------------------------
Martinez-Amorco Pier 5.40 nm Oakland Berth 38 5.40 nm
Pier 17 5.40 nm
-----------------Air Gap/Bridge Clearance (above water surface)-----------------
Bay Bridge D-E Span 202.3 ft, Decr.
------------------Currents (F)lood, (S)lack, (E)bb, towards °T------------------
Spd Dir Spd Dir
Oakl Inner Harb LB4 1.6 kn (F), 187.0°T Oakl Outer Harb LB3 1.0 kn (F), 170.0°T
S-hampton Sh Ch LB6 1.6 kn (F), 341.0°T Martinez-Amorco Pier 0.4 kn (E), 244.0°T
Golden Gate (pred) 2.3 kn (F), 50.0°T
--------------------------------------Waves-------------------------------------
SigHt PkDir PkPer SigHt PkDir PkPer
San Francisco Bar W.. 4.5 ft 289°T 10 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.