St. John's, Antigua tide times

Predictions: Open-Meteo Marine (MeteoFrance SMOC, 0.08° grid) — heights relative to MSL (not chart datum / LAT). Model-derived.

Model-derived from a global ocean grid. Useful indication; expect about ±45 minutes on average vs. a local harmonic gauge, individual stations vary widely. See /methodology for per-region detail. Not for navigation.

Conditions as of 19:00 local time. Refreshes daily.

Predictions: Open-Meteo Marine (MeteoFrance SMOC, 0.08° grid) — heights relative to MSL (not chart datum / LAT). Model-derived. · Not for navigation.

The angler tradition for major/minor fishing windows: major ≈3-hour windows around moon transit and opposition; minor ≈2-hour windows around moonrise and moonset. Times are America/Antigua local. Folk tradition, not a scientific forecast.

St. John's is the capital and commercial centre of Antigua and Barbuda, a working port city on the northwest coast of Antigua that handles the island's cruise ship traffic, its ferry connections to Barbuda and the neighbouring islands, and the import trade that keeps a small island economy running. The harbour is one of the deepest natural harbours in the eastern Caribbean — cruise ships berth directly alongside at Heritage Quay and Redcliffe Quay without tenders, which is commercially significant and visible from the main street level. The tidal regime at St. John's is Caribbean microtidal: mixed semidiurnal with spring range approximately 0.3 m. The tide signal is among the smallest in the Lesser Antilles at this location — trade wind patterns and barometric pressure variations contribute as much to daily water-level change as the astronomical tide. The harbour maintains consistent depth at all tide stages for commercial shipping; the small range means no vessel in the harbour adjusts operations for tidal state. The Redcliffe Quay and Heritage Quay historic waterfront are the commercial core — duty-free shops, restaurants, and the base of operations for cruise passengers who arrive several times a week throughout the year, peaking in December through April. The St. John's market, a block inland on Market Street, is the genuinely functional heart of the city's food supply: fruit, vegetables, and spices from Antigua's interior farms, fresh fish from the harbour fleet, and the informal commerce that runs parallel to the cruise-facing economy. The Saturday morning market is the fullest; it opens at 06:00 and many of the best produce stalls are cleared by 10:00. For anglers, the St. John's harbour mouth and the coast north toward Dickinson Bay hold barracuda, jack, and snapper on the ebb current. The deeper water immediately outside the harbour entrance drops quickly off the reef shelf — sport fishing boats run north along the coast to access the Atlantic for pelagics: blue marlin, wahoo, and yellowfin tuna. Charters operate from the harbour quay and from the marina at Jolly Harbour (see separate listing). The north coast between St. John's and Dickinson Bay has reef structure accessible by snorkel from the beach at Dickinson Bay, 5 km north. Fort James, on the headland north of the harbour entrance, is the best historical vantage point for understanding St. John's' harbour geography. The fort was built in the 17th century to defend the harbour approach; the cannon emplacements face northwest across the harbour mouth and the view from the ramparts takes in the full sweep of the bay and the cruise terminal below. From this height the tidal range is invisible — the harbour looks the same at high and low water, the range being too small to register at a distance. Dickinson Bay, 5 km north of the city, is the main resort beach accessible from St. John's — a 1.5 km north-facing beach with calm Caribbean water, small hotels, restaurants, and water sports operations. The reef structure at the northern end of Dickinson Bay at Runaway Bay provides snorkelling from the beach in 2–4 m. Tidal state at Dickinson Bay follows the same microtidal pattern as the capital — morning is the flattest water window before the afternoon northeast breeze picks up. The Antigua Recreation Ground — the national cricket ground — sits 300 m east of the market, and international cricket (Test matches, ODIs, and the Caribbean Premier League T20 franchise) draws the island's most engaged crowds. Match days in the dry season fill the city's restaurants and bars in a way that cruise ship arrivals do not. For photographers, the view from the Redcliffe Quay waterfront at dawn — before the cruise ships are operational — gives the colonial warehouse architecture, the harbour water, and the first light on the buildings without the midday commercial overlay. The Fort James headland at sunset gives the harbour entrance, the reef line, and the last light over the Caribbean. All tide predictions for St. John's, Antigua come from the Open-Meteo Marine gridded model. Timing accuracy is ±45 minutes; height accuracy is ±0.3 m above Chart Datum.