Washington

Knappa, Knappa Slough

Weekly Monthly
Minus Tides
  • Current Height

  • Daily Tides

  • Low tide May 30 @ 4:48 AM
    1.69 ft
  • High tide May 30 @ 10:07 AM
    5.75 ft
  • Low tide May 30 @ 4:25 PM
    1.66 ft
  • High tide May 30 @ 10:26 PM
    7.64 ft

  • Astronomical Events

  • Sunrise
  • Sunset
  • Moonrise
    2:22 AM
  • Moonset
    3:32 PM
  • Moon Phase
    Waning Crescent (28%)

  • 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 May 30 the tide peaks at 5.75 ft at 10:07 AM and falls to 1.69 ft at 4:48 AM. Predictions are derived from NOAA data; times are shown in local station time.
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