Washington

Knappa, Knappa Slough

Weekly Monthly
Minus Tides
  • Current Height

  • Daily Tides

  • Low tide May 24 @ 3:42 AM
    2.02 ft
  • High tide May 24 @ 8:57 AM
    6.60 ft
  • Low tide May 24 @ 3:59 PM
    0.65 ft
  • High tide May 24 @ 10:02 PM
    7.78 ft

  • Astronomical Events

  • Sunrise
  • Sunset
  • Moonrise
    2:13 PM
  • Moonset
    2:35 AM
  • Moon Phase
    First Quarter (64%)

  • 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 24 the tide peaks at 6.60 ft at 8:57 AM and falls to 2.02 ft at 3:42 AM. Predictions are derived from NOAA data; times are shown in local station time.
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