Washington

Knappa, Knappa Slough

Weekly Monthly
Minus Tides
  • Current Height

  • Daily Tides

  • High tide Aug 30 @ 3:38 AM
    7.55 ft
  • Low tide Aug 30 @ 10:22 AM
    -0.15 ft
  • High tide Aug 30 @ 4:02 PM
    7.92 ft
  • Low tide Aug 30 @ 10:53 PM
    0.12 ft

  • Astronomical Events

  • Sunrise
  • Sunset
  • Moonrise
    8:41 PM
  • Moonset
    9:25 AM
  • Moon Phase
    Waning Gibbous (93%)

  • 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 August 30 the tide peaks at 7.55 ft at 3:38 AM and falls to -0.15 ft at 10:22 AM. Predictions are derived from NOAA data; times are shown in local station time.
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