Washington

Knappa, Knappa Slough

Weekly Monthly
Minus Tides
  • Current Height

  • Daily Tides

  • Low tide Feb 01 @ 3:46 AM
    3.70 ft
  • High tide Feb 01 @ 9:21 AM
    8.17 ft
  • Low tide Feb 01 @ 5:30 PM
    0.75 ft
  • High tide Feb 01 @ 11:30 PM
    6.60 ft

  • Astronomical Events

  • Sunrise
  • Sunset
  • Moonrise
    4:36 AM
  • Moonset
    12:34 PM
  • Moon Phase
    Waning Crescent (20%)

  • 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 8.17 ft at 9:21 AM and falls to 3.70 ft at 3:46 AM. Predictions are derived from NOAA data; times are shown in local station time.
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