Cancún 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 22:00 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/Mexico City local. Folk tradition, not a scientific forecast.

Cancún sits at the northeast corner of the Yucatan Peninsula on a narrow sandspit — the Hotel Zone — that separates Nichupté Lagoon from the Caribbean Sea. The sandspit is roughly 25 kilometres long and nowhere more than a few hundred metres wide, with the high-rise hotels facing east onto the Caribbean and the marina and lagoon docks on the sheltered western side. The geography sets up the basic split that governs how tides, current, and weather play out here: the Caribbean face is exposed, the lagoon side is not, and the two are in almost no tidal communication at all. On the Caribbean side, the astronomical tide is 0.2 to 0.3 metres on a typical day — genuinely negligible. The water column at Playa Delfines or Playa Chac Mool does not move up and down in the way a visitor from a British or Breton coast would expect. What does move the waterline here is swell height, wind direction, and storm surge. A 1.5-metre Caribbean swell on a northeast wind will push the wave run-up significantly higher on the beach than any astronomical high tide would. The practical implication: checking the tide table tells you almost nothing about where the water will be at Playa Gaviota Azul at 2 pm on a given afternoon. Checking the wind and wave forecast tells you considerably more. The offshore reef system changes everything for snorkellers and divers. The Mesoamerican Reef — the second-longest barrier reef in the world — runs roughly parallel to the Cancún coast, about 20 to 30 kilometres offshore in the northern section and closer in further south toward Playa del Carmen and Tulum. The inner reef and patch reefs between the barrier and the shore create a calmer, shallower lagoon zone. Snorkelling at Punta Nizuc, the southern tip of the Hotel Zone where the reef comes closest to shore, is typically best during slack water — the shift between the weak incoming and outgoing Caribbean tidal current — when the water clarity peaks and the current is not pushing swimmers off the reef edge. The tidal current here, though generated by a small range, is still perceptible enough to matter when snorkelling in confined passages between coral heads. Nichupté Lagoon is a different system entirely. It has essentially no tidal exchange with the open Caribbean. The water level in the lagoon responds to rainfall events, wind setup, and evaporation — not to the Moon's position. Kayakers and SUP riders on the lagoon can ignore the tide table completely. The lagoon's value is its calm water and mangrove shoreline; the access channels between lagoon and sea are controlled by the causeway bridges, and the exchange through those channels is minimal. The cenotes — sinkholes and cave pools in the limestone karst — are fully decoupled from ocean tides. The cenote water table reflects the regional aquifer, which fluctuates with seasonal rainfall, not with tidal cycles. Cenotes at Kantun Chi, Dos Ojos, or the Gran Cenote near Tulum are swimming and diving sites where the tide table is irrelevant; visibility depends on weather (heavy rain turns the freshwater layer turbid) and on season. Hurricane season runs June through November. Storm surge is the dominant coastal forcing event of any magnitude — a direct hurricane landfall produces sea-level rise of several metres above the normal waterline, which on this microtidal coast means the storm surge alone is ten to twenty times the normal tidal range. The Hotel Zone sandspit took catastrophic storm damage during Hurricane Wilma in 2005. The beach itself has been substantially rebuilt since, including beach nourishment projects to restore sand width. Sargassum is an increasingly significant seasonal variable. From roughly March through August — with year-to-year variation — mats of pelagic Sargassum seaweed carried by the North Equatorial Current beach on the Caribbean coast. On heavy sargassum days, the open sea beaches carry a line of washed-up, decomposing weed that affects swimming and snorkelling. The southern Hotel Zone beaches and beaches further south at Playa del Carmen tend to receive heavier loadings; the northern Hotel Zone nearer downtown Cancún is sometimes cleaner, depending on current direction. Fishing in the Cancún area is primarily offshore: blue marlin, sailfish, mahi-mahi, and wahoo in the open Caribbean, worked from the marina at Puerto Juárez or from operators along the Hotel Zone lagoon docks. Inshore, the lagoon channels hold snook, tarpon, and permit — species that respond to tidal flow even in a near-tideless system, moving on the weak ebb and flood through the mangrove channels. The best inshore fishing here is at first light, on whatever minimal tidal movement exists, in the quieter northern sections of the lagoon away from the marina traffic. The tide predictions on this page are from Open-Meteo Marine, a gridded global ocean model. Accuracy is typically within plus or minus 45 minutes on timing and 0.2 to 0.3 metres on height — model-derived, not a local gauge. At Cancún, where the total tidal range is itself only 0.2 to 0.3 metres, these uncertainty margins span the entire tide. Use the predictions for orientation, not precision. Mexico's SEMAR (Secretaría de Marina) publishes official tide tables for Mexican ports including Cancún.