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.