Trapani, Sicily 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 00:00 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 Europe/Rome local. Folk tradition, not a scientific forecast.

Trapani occupies a narrow sickle of land that curves northwest into the Sicilian Channel, pointing toward Tunisia 150 km across the water. The spit is low and flat, mostly below 5 m elevation, which means the sea is visible on both sides from almost anywhere in the old town. The Egadi Islands — Favignana, Levanzo, and Marettimo — sit 15–20 km offshore to the northwest, close enough that their ridgelines are a constant presence on the horizon. The channel between Trapani and Favignana carries ferry traffic, fishing boats, and in summer a steady stream of dive boats heading for the island reefs. The tidal regime in the Sicilian Channel is microtidal, with a mean range of 0.15–0.25 m. Tides are mixed semidiurnal — two cycles per day, the two highs and two lows of unequal height. The small range means the sea surface here shifts by less than 25 cm through the cycle, which is imperceptible to the eye against the background of wind-driven ripple. Wind and barometric pressure drive far more variation in sea level than the tide does. A sustained westerly from the Sicilian Channel — the libeccio — can push 0.3–0.4 m of additional water against the eastern shore of the spit, temporarily flooding the low quayside at the ferry terminal. That said, the tidal signal is real and consequential in one specific context: the salt flats. The Saline di Trapani e Paceco extend south of the city in a series of shallow rectangular pans separated by clay bunds and serviced by an system of windmill-driven sluices. The salt pans have been in continuous operation since the medieval period — the windmills that dot the flat horizon between Trapani and Marsala are the same mechanism that has moved water between pans at different elevations for centuries, concentrating brine by sequential evaporation. At high water, tidal inflow through the main channel gates allows seawater to enter the primary pans. On the falling tide, the windmills pump water through the sluice sequence from lower-salinity pans toward higher-salinity concentration pans closer to the harvest basins. The average windmill here pumps 20–25 cubic metres per hour; in a gentle westerly, which is the preferred condition, a single mill can service several pans over a tidal cycle. The salt flats are also a nature reserve managed by the WWF Italia, and the microtidal flooding regime creates the shallow, hypersaline habitat that supports flamingo colonies. Greater flamingos (Phoenicopterus roseus) are present year-round, with numbers peaking in autumn and winter when birds arrive from breeding grounds in Sardinia and the Camargue. The pan system is visible from the road, but the best viewpoint is from the windmill at Nubia, where a raised walkway gives an unobstructed sight line across the primary pans. Flamingos feed in water 0.3–0.5 m deep, which places them at mid-tide; the shallowest pans empty enough on a falling tide to concentrate the birds in predictable locations. The Egadi Islands are accessible by ferry from Trapani's main terminal, with crossings to Favignana taking approximately 25 minutes by hydrofoil. The Favignana Channel — the passage between the western tip of Sicily and the island — has a mild tidal current that runs northwest on the flood and southeast on the ebb. The current is strongest at mid-tide; during peak flow it runs at 0.3–0.5 knots through the narrowest section. Ferry schedules are not adjusted for tidal state, but small boat operators running between the fishing grounds north of Favignana and the Trapani harbour use the ebb to reduce fuel consumption on the return leg. Cape Boeo, known classically as Capo Lilibeo, marks the westernmost point of Sicily, 3 km south of Trapani's old town. The headland has an archaeological museum (the Museo Regionale Lilibeo) built around the remains of a Phoenician and Roman harbour. The underwater section of the ancient harbour is submerged to 1–2 m below chart datum; snorkelling over the Roman-period stonework is possible in calm conditions, and the low-relief archaeology is most visible when the sun angle is high — late morning in summer. Marsala, 30 km south of Trapani along the SS115 coast road, sits in a sheltered lagoon behind Isola Grande. The shallow lagoon is tidal, with a range that amplifies slightly compared to the open coast; local fishing boats work the lagoon on the flood and return on the ebb. The Stagnone di Marsala nature reserve, adjacent to Isola Grande, is one of the few places in Italy where Posidonia oceanica seagrass meadows are accessible on foot at extreme low water over the lagoon flats. Tide data for Trapani, Sicily comes from the Open-Meteo Marine API, a gridded model product. Timing accuracy is ±45 minutes, height accuracy ±0.3 m — usable for trip planning, not for navigation.