Washington

Knappa, Knappa Slough

Weekly Monthly
Minus Tides
  • Current Height

  • Daily Tides

  • High tide Mar 14 @ 4:53 AM
    8.99 ft
  • Low tide Mar 14 @ 12:42 PM
    0.47 ft
  • High tide Mar 14 @ 6:54 PM
    6.02 ft

  • Astronomical Events

  • Sunrise
  • Sunset
  • Moonrise
    9:17 AM
  • Moonset
    1:13 AM
  • Moon Phase
    First Quarter (42%)

  • 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 14 the tide peaks at 8.99 ft at 4:53 AM and falls to 0.47 ft at 12:42 PM. Predictions are derived from NOAA data; times are shown in local station time.
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