Washington

Knappa, Knappa Slough

Minus Tides
  • Current Height


  • Daily Tides

  • High tide Apr 05 @ 3:59 AM
    8.60 ft
  • Low tide Apr 05 @ 11:24 AM
    -0.02 ft
  • High tide Apr 05 @ 5:20 PM
    6.84 ft
  • Low tide Apr 05 @ 11:07 PM
    2.40 ft
  • Astronomical Events

  • Sunrise
  • Sunset
  • Moonrise
  • Moonset
    8:03 AM
  • Moon Phase
    Waning Gibbous (86%)
  • 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 5 the tide peaks at 8.60 ft at 3:59 AM and falls to -0.02 ft at 11:24 AM. Predictions are derived from NOAA data; times are shown in local station time.
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