Washington

Knappa, Knappa Slough

Weekly Monthly
Minus Tides
  • Current Height

  • Daily Tides

  • Low tide Feb 28 @ 12:46 AM
    3.13 ft
  • High tide Feb 28 @ 6:27 AM
    7.98 ft
  • Low tide Feb 28 @ 2:34 PM
    1.28 ft
  • High tide Feb 28 @ 8:40 PM
    5.85 ft

  • Astronomical Events

  • Sunrise
  • Sunset
  • Moonrise
    2:26 AM
  • Moonset
    10:29 AM
  • Moon Phase
    Last Quarter (44%)

  • 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 28 the tide peaks at 7.98 ft at 6:27 AM and falls to 3.13 ft at 12:46 AM. Predictions are derived from NOAA data; times are shown in local station time.
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