When To Go · Destination Guide
Diego Suarez Bay and Northern Coast
A wind-shaped northern bay for small-group dives, turquoise boat days and wild coast hikes.
When To Go · Destination Guide
A wind-shaped northern bay for small-group dives, turquoise boat days and wild coast hikes.
When to go
Late September through October is the most defensible starting recommendation for a combined scuba, coastal-boat and inland visit, with some margin into November if storm forecasts permit.
Best overall window
Mid-September is transitional.
Outside that window
Wind Exposed Departures.
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: Good | Overall - May: Tradeoffs | Overall - Jun: Tradeoffs | Overall - Jul: Tradeoffs | Overall - Aug: Tradeoffs | Overall - Sep: Best | Overall - Oct: Best | Overall - Nov: Best | Overall - Dec: Good |
These do not replace the overall planner. Use them only if a specific animal or event is driving your trip dates.
Possible marine turtle observations on Nosy Hara routes
Best for Snorkel, Topside
Year-round
The park lists marine turtles among its fauna and states they may be sighted on islet boat tours year-round.
Built from climate references, access rules, and destination operators. Wildlife timing and route flexibility can shift year to year.