Washington

Knappa, Knappa Slough

Weekly Monthly
Minus Tides
  • Current Height

  • Daily Tides

  • High tide Feb 01 @ 1:40 AM
    8.00 ft
  • Low tide Feb 01 @ 7:34 AM
    2.56 ft
  • High tide Feb 01 @ 12:55 PM
    9.62 ft
  • Low tide Feb 01 @ 8:30 PM
    -1.00 ft

  • Astronomical Events

  • Sunrise
  • Sunset
  • Moonrise
    5:21 PM
  • Moonset
    7:58 AM
  • Moon Phase
    Full Moon (100%)

  • 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 1 the tide peaks at 8.00 ft at 1:40 AM and falls to 2.56 ft at 7:34 AM. Predictions are derived from NOAA data; times are shown in local station time.
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