Washington

Knappa, Knappa Slough

Weekly Monthly
Minus Tides
  • Current Height

  • Daily Tides

  • High tide Jun 28 @ 12:45 AM
    8.30 ft
  • Low tide Jun 28 @ 8:36 AM
    -0.54 ft
  • High tide Jun 28 @ 2:37 PM
    6.71 ft
  • Low tide Jun 28 @ 8:10 PM
    2.98 ft

  • Astronomical Events

  • Sunrise
  • Sunset
  • Moonrise
    8:49 PM
  • Moonset
    3:51 AM
  • Moon Phase
    Full Moon (99%)

  • 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 June 28 the tide peaks at 8.30 ft at 12:45 AM and falls to -0.54 ft at 8:36 AM. Predictions are derived from NOAA data; times are shown in local station time.
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