Alaska

Chowiet Island, Semidi Island

Minus Tides
  • Current Height


  • Daily Tides

  • Low tide Sep 20 @ 4:22 AM
    1.83 ft
  • High tide Sep 20 @ 11:30 AM
    5.57 ft
  • Low tide Sep 20 @ 4:01 PM
    5.07 ft
  • High tide Sep 20 @ 9:55 PM
    6.99 ft
  • Astronomical Events

  • Sunrise
  • Sunset
  • Moonrise
    6:52 PM
  • Moonset
    12:26 AM
  • Moon Phase
    First Quarter (68%)
  • Station Info

  • Position:
    L 56°03.1' N     λ 156°41.9' W
  • Station ID:
    9458519
  • Station Type:
    Harmonic
  • Offsets:
  • Datum:
    MLLW (Mean Lower-Low Water)
  • Time Zone:
    -8
  • About: Chowiet Island, Semidi Island is a harmonic tide station in Alaska Peninsula, Alaska (56°03.1' N, 156°41.9' W). On September 20 the tide peaks at 5.57 ft at 11:30 AM and falls to 1.83 ft at 4:22 AM. Predictions are derived from NOAA data; times are shown in local station time.
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