Washington

Knappa, Knappa Slough

Weekly Monthly
Minus Tides
  • Current Height

  • Daily Tides

  • Low tide Dec 20 @ 3:56 AM
    2.82 ft
  • High tide Dec 20 @ 9:43 AM
    9.13 ft
  • Low tide Dec 20 @ 5:34 PM
    0.24 ft
  • High tide Dec 20 @ 11:29 PM
    6.70 ft

  • Astronomical Events

  • Sunrise
  • Sunset
  • Moonrise
    1:27 PM
  • Moonset
    4:18 AM
  • Moon Phase
    Waxing 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 December 20 the tide peaks at 9.13 ft at 9:43 AM and falls to 2.82 ft at 3:56 AM. Predictions are derived from NOAA data; times are shown in local station time.
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