Washington

Knappa, Knappa Slough

Weekly Monthly
Minus Tides
  • Current Height

  • Daily Tides

  • Low tide Aug 09 @ 6:29 AM
    -0.62 ft
  • High tide Aug 09 @ 12:31 PM
    6.08 ft
  • Low tide Aug 09 @ 5:58 PM
    2.72 ft
  • High tide Aug 09 @ 11:27 PM
    8.57 ft

  • Astronomical Events

  • Sunrise
  • Sunset
  • Moonrise
    1:59 AM
  • Moonset
    7:08 PM
  • Moon Phase
    Waning Crescent (11%)

  • 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 August 9 the tide peaks at 6.08 ft at 12:31 PM and falls to -0.62 ft at 6:29 AM. Predictions are derived from NOAA data; times are shown in local station time.
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