San Francisco Bay PORTS, NOAA/NOS 2026-04-20 18:39 PDT
----------------------------Water Levels (above MLLW)---------------------------
West Sacramento 2.3 ft, Rising Port Chicago 4.7 ft, Rising
Martinez-Amorco Pier 5.1 ft, Falling Richmond 4.7 ft, Falling
Alameda 4.8 ft, Falling Redwood City 6.3 ft, Falling
San Francisco 4.3 ft, Falling
--------------------------------------Winds-------------------------------------
Spd Dir Gusts Spd Dir Gusts
Port Chicago 8 kn WSW 10 Davis Point 9 kn WNW 12
Union Pacific RR Br 7 kn WNW 9 Pittsburg 9 kn NNW 10
Martinez-Amorco Pier 8 kn NW 9 Richmond 5 kn W 7
Point Potrero Richm.. 5 kn WSW 8 Oakland Berth 34 8 kn NW 10
Oakland Middle Hbr 5 kn WNW 9 Oakland Berth 67 1 kn ESE 3
Alameda 4 kn E 7 Redwood City 4 kn SE 6
Pier 1 5 kn WSW 6 San Francisco 5 kn SW 8
----------------------------Air and Water Temperature---------------------------
Air Water Air Water
San Francisco Bar W.. 53 °F 56 °F Port Chicago 58 °F 63 °F
Davis Point 56 °F Pittsburg 59 °F
Martinez-Amorco Pier 58 °F *** °F Richmond 54 °F 60 °F
Point Potrero Richm.. 55 °F Oakland Berth 38 56 °F
Oakland Berth 34 54 °F Oakland Berth 67 57 °F
Alameda 57 °F 62 °F Redwood City 58 °F *** °F
Pier 1 55 °F Pier 17 55 °F
San Francisco 54 °F *** °F
--------------------------------Relative Humidity-------------------------------
Martinez-Amorco Pier 99% Oakland Berth 38 100%
Pier 17 100%
-------------------------------Barometric Pressure------------------------------
Port Chicago 1011 mb Falling Davis Point 1012 mb Falling
Pittsburg 1011 mb Falling Martinez-Amorco Pier 1012 mb Falling
Richmond 1012 mb Falling Point Potrero Richm.. 1012 mb Falling
Oakland Berth 34 1012 mb Falling Oakland Berth 67 1012 mb Falling
Alameda 1012 mb Falling Redwood City 1012 mb Falling
Pier 1 1011 mb Falling San Francisco 1012 mb Falling
-----------------------------------Visibility-----------------------------------
Martinez-Amorco Pier *** nm Oakland Berth 38 4.6 nm
Pier 17 3.27 nm
-----------------Air Gap/Bridge Clearance (above water surface)-----------------
Bay Bridge D-E Span 201.2 ft, Incr.
------------------Currents (F)lood, (S)lack, (E)bb, towards °T------------------
Spd Dir Spd Dir
Oakl Inner Harb LB4 1.2 kn (E), 355.0°T Oakl Outer Harb LB3 1.1 kn (E), 355.0°T
S-hampton Sh Ch LB6 0.1 kn (S), 106.0°T Martinez-Amorco Pier 1.5 kn (F), 72.0°T
Golden Gate (pred) 0.9 kn (E), 211.0°T
--------------------------------------Waves-------------------------------------
SigHt PkDir PkPer SigHt PkDir PkPer
San Francisco Bar W.. 7.9 ft 277°T 13 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.