Washington

Knappa, Knappa Slough

Weekly Monthly
Minus Tides
  • Current Height

  • Daily Tides

  • Low tide Mar 28 @ 12:27 AM
    2.83 ft
  • High tide Mar 28 @ 5:50 AM
    8.08 ft
  • Low tide Mar 28 @ 1:39 PM
    0.80 ft
  • High tide Mar 28 @ 7:55 PM
    6.09 ft

  • Astronomical Events

  • Sunrise
  • Sunset
  • Moonrise
    2:15 AM
  • Moonset
    10:13 AM
  • Moon Phase
    Last Quarter (62%)

  • 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 March 28 the tide peaks at 8.08 ft at 5:50 AM and falls to 2.83 ft at 12:27 AM. Predictions are derived from NOAA data; times are shown in local station time.
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