California

Alcatraz Island

Minus Tides
  • Current Height


  • Daily Tides

  • Low tide Sep 20 @ 2:01 AM
    0.73 ft
  • High tide Sep 20 @ 9:42 AM
    4.45 ft
  • Low tide Sep 20 @ 2:16 PM
    3.38 ft
  • High tide Sep 20 @ 7:34 PM
    5.17 ft
  • Astronomical Events

  • Sunrise
  • Sunset
  • Moonrise
    4:04 PM
  • Moonset
    12:44 AM
  • Moon Phase
    First Quarter (68%)
  • Station Info

  • Position:
    L 37°49.6' N     λ 122°25.0' W
  • Station ID:
    9414792
  • Station Type:
    Subordinate
  • Offsets:
  • Datum:
    MLLW (Mean Lower-Low Water)
  • Time Zone:
    -8
  • About: Alcatraz Island is a subordinate tide station in San Francisco Bay, California (37°49.6' N, 122°25.0' W). On September 20 the tide peaks at 4.45 ft at 9:42 AM and falls to 0.73 ft at 2:01 AM. Predictions are derived from NOAA data; times are shown in local station time.
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