Nassau tide times

Nassau occupies the northern shore of New Providence, the small central island of the Bahamian archipelago, with the harbour channel dividing it from Paradise Island a few hundred metres to the north. The tide here is semidiurnal — two near-equal highs and two near-equal lows each day, twelve hours and twenty-five minutes apart on the lunar cycle, with relatively little diurnal inequality compared to the mixed-tide Cuban coast a hundred miles to the south. Mean astronomical range at Prince George Wharf, the cruise terminal in the heart of Nassau Harbour, runs roughly 70 to 90 cm.

That is moderate — well above the microtidal Cuban north coast, well below the metre-and-a-half spring ranges of the Florida Atlantic shelf farther north — and it is enough to produce a noticeable current through the harbour entrance and the eastern Paradise Island channel, particularly on the spring ebb when the bank water drains seaward over the reef shelf. Two harbour entrances dominate the local tidal current pattern: the western entrance between Arawak Cay and Paradise Island carries the cruise traffic, and the eastern Paradise Island channel under the bridges carries the smaller-vessel and Atlantis Marina traffic. Spring tides around new and full moons push the range toward a metre and produce the strongest currents at the entrances; neap tides during quarter moons compress the range and the currents to a manageable trickle.

Wind setup from the prevailing easterly trades is generally modest and consistent; named tropical storms during the August-October peak produce surge that overwhelms the astronomical signal. Snorkellers and shallow-reef divers work the inshore patch reefs along Cable Beach to the west and the offshore reef line at Goulding Cay; the visibility windows tend to align with the slack tide, the half-hour either side of the predicted high or low when the bank water is not flowing. Shore anglers along the rocky points at the western tip of the island, at Clifton, and along the Adelaide coast on the southern shore work the bonefish flats on the falling tide and the incoming tide for snapper and barracuda.

Paddleboarders launching from the Cable Beach lagoon find a sheltered regime; the wide flat at Cable Beach exposes about 30 to 40 metres of additional sand on the largest spring lows, more than enough to change the visible character of the beach between morning and afternoon. Family beach-walkers at Cabbage Beach on Paradise Island find a moderate-energy Atlantic shore exposed to the prevailing easterly swell wrapping around Paradise Island; the Atlantis Marina sits in the protected lagoon behind the island, and Atlantis Beach is the sheltered family-friendly side. Photographers favour the early-morning low for the patterned rippled sand at Cable Beach and the late-afternoon high for the cruise-ship silhouettes against the western sky from Prince George Wharf.

The Junkanoo Beach foreshore in the heart of downtown Nassau, immediately east of the cruise terminal, exposes a shell-strewn shelf on the largest spring lows that is otherwise underwater; the beach changes character noticeably between a high-tide afternoon and a spring-low morning. Bonefish guides working the Adelaide flats and the Bonefish Pond on the southern shore plan their tides carefully — these flats are tide-critical fishing where the rising water carries fish onto the flat and the falling water draws them off, with the prime window being the first two hours of the rising tide and the last two hours of the falling. NOAA does not publish a Nassau harmonic station, so US-side gauges in southeastern Florida (Miami, West Palm Beach) and the broader IHO regional reference apply as cross-checks.

The Bahamas Department of Meteorology publishes general marine forecasts and weather advisories for Bahamian waters and is the authoritative regional source for storm and surge warnings. Predictions on this page come from Open-Meteo Marine, a gridded global ocean model. 3 metres on height — at Nassau's 70 to 90 cm range, the uncertainty is a noticeable but smaller fraction of the total signal than at the microtidal Cuban coast.

Treat the predicted highs and lows as approximate, and weight the Bahamas Department of Meteorology forecasts and any surge advisories during the summer-autumn tropical season.