Speyside sits off Little Tobago and offers a reef-heavy mix of sites ranging from sheltered shallows to deep walls, drift runs and a wreck. Currents are a defining feature: many sites require solid buoyancy and drift experience, and several are reserved for advanced divers. The fish life is rich, with the Stoplight Parrotfish, French Angelfish and Black Durgeon observed consistently across sites. Green Sea Turtle and Nurse Shark appear occasionally, and the topography shifts dramatically between sites like Angel Reef and the drop-off at Black Jack Hole.
Monthly water temperature across Speyside's sites, from satellite sea-surface data corrected for depth. The band shows the site-to-site spread.
Water stays warm throughout the year, nudging its peak in October and remaining comfortable even at its coolest in January and February. The best-months data clusters around the early months of the year and again around May and June, suggesting calmer or clearer conditions then. Currents are variable and can be strong, so conditions at a given site on a given day matter more than the season.
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Roxborough, Trinidad and Tobago
Trinidad and Tobago
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Water temperature around Speyside ranges from about 26°C in January to 29°C in October, based on satellite sea-temperature data for its dive sites.
In the warm season (about 29°C) a rash guard or 3mm shorty is comfortable in Speyside; in the coldest months (about 26°C) step up to a 3mm full suit.
Fin maps 16 sites in Speyside (13 scuba diving sites and 5 snorkelling spots, with some suited to both).
Across Speyside's dive sites, January, April, May, June, July and November are most often reported as the best months to visit.
The reef fish community is the backbone of most dives here. The Stoplight Parrotfish and Pacific Trumpetfish are observed very commonly, while the French Angelfish and Queen Angelfish are reliable sightings across many sites. Look out also for the Green Moray in crevices, the Spotted Scorpionfish resting on the reef, and the occasional Nurse Shark resting on the bottom.
Speyside leans towards intermediate and advanced divers. Many sites feature strong currents and significant depth, and several, including Round Table and Flying Manta, are listed for advanced divers only. That said, Angel Reef offers a shallower, more forgiving reef dive for those with some experience. Complete beginners would be better served building skills before visiting the more demanding sites.
Almost all dive sites in Speyside require boat access, as they lie off Little Tobago. Two operators, Manta Lodge and Dive Centre and Spencer's Underwater Adventures, provide guided boat trips to the sites. Japanese Gardens is the one site listed with both boat and shore entry options.
Speyside offers a range of environments within a relatively compact area. Reef dives dominate, but there is also a wreck at Round Table, a wall and drop-off at Black Jack Hole, drift diving at Flying Manta, and a cave element combined with reef and drift at TDE Special. This variety means repeat visits to Speyside can feel quite different depending on which sites you choose.