New Hampshire

Gerrish Island

Minus Tides
  • Current Height


  • Daily Tides

  • High tide Jun 21 @ 4:44 AM
    9.30 ft
  • Low tide Jun 21 @ 11:01 AM
    0.01 ft
  • High tide Jun 21 @ 5:25 PM
    9.12 ft
  • Low tide Jun 21 @ 11:32 PM
    0.79 ft
  • Astronomical Events

  • Sunrise
  • Sunset
  • Moonrise
    12:27 PM
  • Moonset
    12:22 AM
  • Moon Phase
    First Quarter (47%)
  • Station Info

  • Position:
    L 43°04.0' N     λ 70°41.8' W
  • Station ID:
    8419688
  • Station Type:
    Subordinate
  • Offsets:
  • Datum:
    MLLW (Mean Lower-Low Water)
  • Time Zone:
    -8
  • About: Gerrish Island is a subordinate tide station in Portsmouth Harbor, New Hampshire (43°04.0' N, 70°41.8' W). On June 21 the tide peaks at 9.30 ft at 4:44 AM and falls to 0.01 ft at 11:01 AM. Predictions are derived from NOAA data; times are shown in local station time.
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