Washington

Knappa, Knappa Slough

Weekly Monthly
  • Current Height

  • Daily Tides

  • High tide Jul 27 @ 12:23 AM
    7.86 ft
  • Low tide Jul 27 @ 8:14 AM
    -0.48 ft
  • High tide Jul 27 @ 2:15 PM
    6.60 ft
  • Low tide Jul 27 @ 7:52 PM
    2.71 ft

  • Astronomical Events

  • Sunrise
  • Sunset
  • Moonrise
    8:08 PM
  • Moonset
    3:32 AM
  • Moon Phase
    Full Moon (97%)

  • 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 July 27 the tide peaks at 7.86 ft at 12:23 AM and falls to -0.48 ft at 8:14 AM. Predictions are derived from NOAA data; times are shown in local station time.
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