California

Alcatraz Island

Minus Tides
  • Current Height


  • Daily Tides

  • Low tide Aug 23 @ 3:40 AM
    0.38 ft
  • High tide Aug 23 @ 11:03 AM
    4.54 ft
  • Low tide Aug 23 @ 3:25 PM
    3.35 ft
  • High tide Aug 23 @ 9:03 PM
    5.77 ft
  • Astronomical Events

  • Sunrise
  • Sunset
  • Moonrise
    5:28 PM
  • Moonset
    1:55 AM
  • Moon Phase
    Waxing Gibbous (82%)
  • 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 August 23 the tide peaks at 4.54 ft at 11:03 AM and falls to 0.38 ft at 3:40 AM. Predictions are derived from NOAA data; times are shown in local station time.
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