Washington

Knappa, Knappa Slough

Minus Tides
  • Current Height


  • Daily Tides

  • Low tide Feb 14 @ 12:22 AM
    2.75 ft
  • High tide Feb 14 @ 6:15 AM
    8.90 ft
  • Low tide Feb 14 @ 2:21 PM
    1.02 ft
  • High tide Feb 14 @ 8:26 PM
    5.75 ft
  • Astronomical Events

  • Sunrise
  • Sunset
  • Moonrise
    10:36 AM
  • Moonset
    2:16 AM
  • Moon Phase
    First Quarter (58%)
  • 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 February 14 the tide peaks at 8.90 ft at 6:15 AM and falls to 2.75 ft at 12:22 AM. Predictions are derived from NOAA data; times are shown in local station time.
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