Washington

Knappa, Knappa Slough

Weekly Monthly
Minus Tides
  • Current Height

  • Daily Tides

  • High tide Dec 06 @ 12:02 AM
    7.01 ft
  • Low tide Dec 06 @ 5:50 AM
    2.65 ft
  • High tide Dec 06 @ 11:24 AM
    9.13 ft
  • Low tide Dec 06 @ 7:00 PM
    -0.32 ft

  • Astronomical Events

  • Sunrise
  • Sunset
  • Moonrise
    5:46 AM
  • Moonset
    2:43 PM
  • Moon Phase
    Waning Crescent (4%)

  • 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 6 the tide peaks at 7.01 ft at 12:02 AM and falls to 2.65 ft at 5:50 AM. Predictions are derived from NOAA data; times are shown in local station time.
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