Toliara 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 07:00 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 Indian/Antananarivo local. Folk tradition, not a scientific forecast.

Last spring tide on Sat 02 May (range 2.4m). Next neap on Fri 08 May.

Spring tides cluster around new and full moons (biggest swings). Neap tides land on quarter moons (smallest swings). See the spring tide and neap tide glossary entries for the why.

Toliara sits on the southwest coast of Madagascar where the Mozambique Channel meets one of the driest corners of the island — the spiny desert of the Mahafaly plateau runs inland, while the sea side is fringed by the Grand Récif de Toliara, a fringing reef system that curves around the bay and creates a protected lagoon of shallow, warm water between town and open ocean. The tide here is semidiurnal: two highs and two lows each day, with a mean range of roughly 2.0 to 3.5 metres on springs and neaps respectively. That is a meaningful range by Indian Ocean standards, and it shapes everything that happens on and near the water. At a spring low — the lowest lows occur in the days following a new or full moon — the outer sections of the reef flat can drop to knee depth or less over the coral. The branching Acropora and table corals in those zones are easily damaged underfoot, and walking the reef flat barefoot on a low spring is both uncomfortable and ecologically corrosive. The better window for snorkelling the outer reef is the two to three hours either side of a mid-tide on the flood, when the water is moving over the reef edge, visibility is usually at its best, and the depth over the coral gives comfortable clearance. At high water the back lagoon behind the reef fills enough to kayak directly from the town beach toward the reef pass. Kite-surfers based at Ifaty and Mangily — the beach resort strip about fifteen kilometres north of Toliara town — work one of the most reliable kite windows in the Indian Ocean. The south and southwest trades blow with enough consistency from April through October that riders sometimes describe the forecast as a formality: if the month is right, the wind is there. But the reef access at several of the kite launches north of town is tide-dependent. Some entry points require at least a metre over the reef flat to bring in a board without damage; local operators who have worked the area for years time their morning sessions to an incoming tide that clears the launch by mid-morning. Anglers from the Vezo fishing communities south of Toliara and in the mangrove-fringed estuary systems north toward Ifaty work the tide as a direct fishing signal. The ebb concentrates baitfish at the reef passes as water drains from the lagoon; snapper, trevally and barracuda stack at these choke points, and the best fishing window in many sessions is the last two hours of the ebb and the first hour of the flood. Mangrove channel fishing for mullet and juvenile snapper runs best on the flood, when the channels fill and the fish disperse into the vegetation to feed. Traditional pirogues, paddled rather than motored, can navigate the lagoon through most of the tide cycle, but the reef passes require at least half a metre of depth for the keel and outrigger combination. Divers heading to the outer reef wall and the deeper Mozambique Channel sites time their entries to the tidal exchange at the main pass south of town. A slack period of 20 to 40 minutes occurs at each high and each low; the current over the wall runs at a knot or more during the middle two hours of each half-tide. Most dive operators run a morning schedule timed to a manageable current and a maximum incoming flood on the wall — but schedules shift week to week as the tidal timing moves through the lunar cycle. Checking the actual tide time rather than assuming a fixed departure time is standard practice among operators who have been here more than a season. Tide predictions on this page come from Open-Meteo Marine, a gridded global ocean model. The model is typically accurate to within plus or minus 45 minutes on timing and 0.2 to 0.3 metres on height. At Toliara's range of 2.0 to 3.5 metres, that uncertainty is a manageable fraction of the total signal for general planning — but not precise enough for reef navigation, pass timing in a vessel, or dive operations in strong current. The authoritative harmonic reference for Toliara is the SHOM (Service Hydrographique et Océanographique de la Marine) port file for Tuléar, available through SHOM's online catalogue. The Toliara port authority also holds gauge records. For any decision where being 45 minutes early or late on the tide time has consequences, use the SHOM data directly.