Washington

Knappa, Knappa Slough

Weekly Monthly
Minus Tides
  • Current Height

  • Daily Tides

  • Low tide Dec 01 @ 1:26 AM
    0.46 ft
  • High tide Dec 01 @ 7:37 AM
    7.92 ft
  • Low tide Dec 01 @ 2:09 PM
    2.33 ft
  • High tide Dec 01 @ 7:22 PM
    6.92 ft

  • Astronomical Events

  • Sunrise
  • Sunset
  • Moonrise
    —
  • Moonset
    12:59 PM
  • Moon Phase
    Last Quarter (45%)

  • 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 December 1 the tide peaks at 7.92 ft at 7:37 AM and falls to 0.46 ft at 1:26 AM. Predictions are derived from NOAA data; times are shown in local station time.
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