When To Go · Destination Guide
Walls, wrecks, and easy entries in the Caribbean's visibility capital
Updated Oct 30, 2025 • 15 sources
When to go
Diving is yearround.
Best overall window
Calmest seas, water near 29°C, trade winds around 20 km/h
Outside that window
Northerly swells from winter fronts affect the North Wall
Start with the overall answer, then switch only when scuba, freedive, snorkel, or topside timing changes the trip in a meaningful way.
The overall row stays visible so you can compare it against the currently selected scope.
| Scope | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Overall | Overall - Jan: Tradeoffs | Overall - Feb: Tradeoffs | Overall - Mar: Tradeoffs | Overall - Apr: Best | Overall - May: Best | Overall - Jun: Best | Overall - Jul: Best | Overall - Aug: Best | Overall - Sep: Good | Overall - Oct: Good | Overall - Nov: Good | Overall - Dec: Tradeoffs |
These do not replace the overall planner. Use them only if a specific animal or event is driving your trip dates.
Silverside Baitballs in Caverns
Best for Scuba, Snorkel
Jul to Sep
Millions of tiny fish pack Devil's Grotto and nearby caverns, drawing tarpon and groupers.
Coral Spawning Windows
Best for Scuba
Aug to Oct
Reefbuilding corals often spawn a few nights after the late summer full moons.
Sea Turtle Nesting and Hatchlings
May to Nov
Follow local guidance and keep lights off nesting beaches; inwater sightings increase in summer.
Eagle Rays on the Wall
Best for Scuba
Dec to Mar
Spotted eagle rays cruise wall edges more frequently in cooler months on settled north or west days.
Bioluminescent Bay Kayaks
Best for Topside
Year-round
North Sound bioluminescence tours are best around new moon with clear water.
Built from climate references, access rules, and destination operators. Wildlife timing and route flexibility can shift year to year.