Washington

Knappa, Knappa Slough

Minus Tides
  • Current Height


  • Daily Tides

  • Low tide Apr 12 @ 5:03 AM
    2.93 ft
  • High tide Apr 12 @ 10:11 AM
    6.83 ft
  • Low tide Apr 12 @ 5:40 PM
    0.76 ft
  • High tide Apr 12 @ 11:47 PM
    6.89 ft
  • Astronomical Events

  • Sunrise
  • Sunset
  • Moonrise
    4:28 AM
  • Moonset
    2:42 PM
  • Moon Phase
    Waning Crescent (25%)
  • 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 April 12 the tide peaks at 6.83 ft at 10:11 AM and falls to 2.93 ft at 5:03 AM. Predictions are derived from NOAA data; times are shown in local station time.
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