Washington

Knappa, Knappa Slough

Weekly Monthly
Minus Tides
  • Current Height

  • Daily Tides

  • High tide Sep 01 @ 5:10 AM
    6.79 ft
  • Low tide Sep 01 @ 11:24 AM
    0.83 ft
  • High tide Sep 01 @ 5:01 PM
    8.40 ft

  • Astronomical Events

  • Sunrise
  • Sunset
  • Moonrise
    9:28 PM
  • Moonset
    12:00 PM
  • Moon Phase
    Waning Gibbous (77%)

  • 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 1 the tide peaks at 6.79 ft at 5:10 AM and falls to 0.83 ft at 11:24 AM. Predictions are derived from NOAA data; times are shown in local station time.
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