Washington

Knappa, Knappa Slough

Minus Tides
  • Current Height


  • Daily Tides

  • Low tide Sep 06 @ 5:08 AM
    -0.11 ft
  • High tide Sep 06 @ 11:14 AM
    5.85 ft
  • Low tide Sep 06 @ 4:46 PM
    2.82 ft
  • High tide Sep 06 @ 10:11 PM
    7.76 ft
  • Astronomical Events

  • Sunrise
  • Sunset
  • Moonrise
    12:55 AM
  • Moonset
    5:45 PM
  • Moon Phase
    Waning Crescent (22%)
  • 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 September 6 the tide peaks at 5.85 ft at 11:14 AM and falls to -0.11 ft at 5:08 AM. Predictions are derived from NOAA data; times are shown in local station time.
  • Share this page:

Station Map