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Tides

King tides in Rhode Island, 2027

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The biggest predicted tide in Rhode Island in 2027 reaches 5.6 ft above MLLW at East Greenwich on Thursday, September 2, at 9:44 AM local time. Below are the currently available king tide windows — the top 1% of predicted highs — for NOAA reference stations along the Rhode Islandcoast. 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.

Bay Spring, Bullock Cove

King tides (5.5 ft and above) at NOAA station 8453033. Full year: 2027 tide table.

  • Jun 4–5 — peaks 5.5 ft at 8:36 PM
  • Jul 3–4 — peaks 5.6 ft at 8:18 PM
  • Aug 1–2 — peaks 5.6 ft at 8:48 PM
  • Sep 29–30 — peaks 5.6 ft at 8:30 AM

Block Island (Old Harbor)

King tides (4.0 ft and above) at NOAA station 8459338. Full year: 2027 tide table.

  • Jul 4–5 — peaks 4.1 ft at 8:42 PM
  • Aug 1–3 — peaks 4.1 ft at 8:26 PM
  • Sep 2 — peaks 4.1 ft at 9:21 AM
  • Sep 30–1 — peaks 4.1 ft at 8:11 AM

Bristol Ferry

King tides (5.4 ft and above) at NOAA station 8451552. Full year: 2027 tide table.

  • Jul 3–5 — peaks 5.5 ft at 9:07 PM
  • Aug 1–3 — peaks 5.6 ft at 8:50 PM
  • Aug 30–31 — peaks 5.5 ft at 7:47 PM

East Greenwich

King tides (5.5 ft and above) at NOAA station 8454578. Full year: 2027 tide table.

  • Jul 4 — peaks 5.5 ft at 9:05 PM
  • Aug 2–3 — peaks 5.5 ft at 8:48 PM
  • Sep 1–3 — peaks 5.6 ft at 9:44 AM
  • Sep 30–1 — peaks 5.5 ft at 8:33 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: Rhode Island king tides 2026.