Washington

Knappa, Knappa Slough

Minus Tides
  • Current Height


  • Daily Tides

  • High tide Jan 01 @ 12:12 AM
    7.12 ft
  • Low tide Jan 01 @ 5:39 AM
    3.32 ft
  • High tide Jan 01 @ 11:09 AM
    9.94 ft
  • Low tide Jan 01 @ 7:07 PM
    -0.86 ft
  • Astronomical Events

  • Sunrise
  • Sunset
  • Moonrise
    2:36 PM
  • Moonset
    6:53 AM
  • Moon Phase
    Full Moon (97%)
  • Station Info

  • Position:
    L 46°11.2' N     λ 123°35.3' W
  • Station ID:
    9439069
  • Station Type:
    Subordinate
  • Offsets:
  • Datum:
    MLLW (Mean Lower-Low Water)
  • Time Zone:
    -8
  • About: Knappa, Knappa Slough is a subordinate tide station in Columbia River, Washington (46°11.2' N, 123°35.3' W). On January 1 the tide peaks at 7.12 ft at 12:12 AM and falls to 3.32 ft at 5:39 AM. Predictions are derived from NOAA data; times are shown in local station time.
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