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Tides

King tides in Connecticut, 2027

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The biggest predicted tide in Connecticut in 2027 reaches 8.5 ft above MLLW at Black Rock Harbor on Thursday, September 2, at 1:05 PM local time. Below are the currently available king tide windows — the top 1% of predicted highs — for NOAA reference stations along the Connecticut coast. King tides are perigean spring tides: they arrive when a full or new moon lines up with the moon's closest approach to Earth, and they preview the flooding that sea level rise will make routine. Read how king tides work.

Black Rock Harbor

King tides (8.4 ft and above) at NOAA station 8467373. Full year: 2027 tide table.

  • Jul 5 — peaks 8.4 ft at 12:23 AM
  • Aug 3 — peaks 8.4 ft at 12:08 AM
  • Sep 1–3 — peaks 8.5 ft at 1:05 PM
  • Sep 29–Oct 1 — peaks 8.5 ft at 11:53 AM

BRIDGEPORT

King tides (8.3 ft and above) at NOAA station 8467150. Full year: 2027 tide table.

  • Aug 3 — peaks 8.3 ft at 12:02 AM
  • Sep 1–3 — peaks 8.4 ft at 1:01 PM
  • Sep 29–Oct 2 — peaks 8.5 ft at 11:49 AM
  • Oct 29 — peaks 8.3 ft at 11:26 AM

Clinton Harbor

King tides (5.8 ft and above) at NOAA station 8463701. Full year: 2027 tide table.

  • Jul 3 — peaks 5.9 ft at 11:23 PM
  • Jul 5 — peaks 5.9 ft at 12:15 AM
  • Sep 1–3 — peaks 5.9 ft at 12:56 PM
  • Sep 29–Oct 1 — peaks 5.9 ft at 11:43 AM

NOAA CO-OPS harmonic predictions, datum MLLW, station local time. Actual water level can run higher with storms, onshore wind, and low pressure — king tide + storm is the flooding combination to watch. Predictions are for planning, not navigation.

Also available: Connecticut king tides 2026.