Washington

Knappa, Knappa Slough

Weekly Monthly
Minus Tides
  • Current Height

  • Daily Tides

  • Low tide Oct 18 @ 2:13 AM
    0.91 ft
  • High tide Oct 18 @ 8:53 AM
    5.89 ft
  • Low tide Oct 18 @ 2:20 PM
    3.45 ft
  • High tide Oct 18 @ 7:14 PM
    6.62 ft

  • Astronomical Events

  • Sunrise
  • Sunset
  • Moonrise
    3:11 PM
  • Moonset
    —
  • Moon Phase
    First Quarter (52%)

  • 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 October 18 the tide peaks at 5.89 ft at 8:53 AM and falls to 0.91 ft at 2:13 AM. Predictions are derived from NOAA data; times are shown in local station time.
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