Alaska

Chowiet Island, Semidi Island

Weekly Monthly
Minus Tides
  • Current Height

  • Daily Tides

  • High tide May 17 @ 2:30 AM
    10.72 ft
  • Low tide May 17 @ 9:27 AM
    -2.92 ft
  • High tide May 17 @ 4:00 PM
    8.19 ft
  • Low tide May 17 @ 9:14 PM
    2.87 ft

  • Astronomical Events

  • Sunrise
  • Sunset
  • Moonrise
    5:47 AM
  • Moonset
    —
  • Moon Phase
    New Moon (2%)

  • 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 May 17 the tide peaks at 10.72 ft at 2:30 AM and falls to -2.92 ft at 9:27 AM. Predictions are derived from NOAA data; times are shown in local station time.
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