Washington

Knappa, Knappa Slough

Weekly Monthly
Minus Tides
  • Current Height

  • Daily Tides

  • High tide Mar 01 @ 12:32 AM
    7.69 ft
  • Low tide Mar 01 @ 6:33 AM
    2.27 ft
  • High tide Mar 01 @ 11:57 AM
    8.85 ft
  • Low tide Mar 01 @ 7:23 PM
    -0.61 ft

  • Astronomical Events

  • Sunrise
  • Sunset
  • Moonrise
    4:20 PM
  • Moonset
    6:25 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 March 1 the tide peaks at 7.69 ft at 12:32 AM and falls to 2.27 ft at 6:33 AM. Predictions are derived from NOAA data; times are shown in local station time.
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