Washington

Knapp Landing, Willow Bar

Minus Tides
  • Current Height


  • Daily Tides

  • Low tide Dec 21 @ 1:33 AM
    -0.40 ft
  • High tide Dec 21 @ 6:30 AM
    1.62 ft
  • Low tide Dec 21 @ 11:55 AM
    0.86 ft
  • High tide Dec 21 @ 6:18 PM
    3.48 ft
  • Astronomical Events

  • Sunrise
  • Sunset
  • Moonrise
    9:28 AM
  • Moonset
    5:53 PM
  • Moon Phase
    New Moon (3%)
  • Station Info

  • Position:
    L 45°44.5' N     λ 122°45.3' W
  • Station ID:
    9440171
  • Station Type:
    Harmonic
  • Offsets:
  • Datum:
    MLLW (Mean Lower-Low Water)
  • Time Zone:
    -8
  • About: Knapp Landing, Willow Bar is a harmonic tide station in Columbia River, Washington (45°44.5' N, 122°45.3' W). On December 21 the tide peaks at 1.62 ft at 6:30 AM and falls to -0.40 ft at 1:33 AM. Predictions are derived from NOAA data; times are shown in local station time.
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