When To Go · Destination Guide
Two Terengganu Marine Park islands for turtles, reefs, and easy resort-based water days
Updated Feb 13, 2026 • 13 sources
When to go
The east coast of Peninsular Malaysia is strongly shaped by monsoon cycles.
Best overall window
Most consistent sea state, warm water 28°C, visibility can reach 30 m in calm spells.
Outside that window
Northeast Monsoon influence: rougher seas, heavier rain, and many resorts reduce or stop operations.
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: Good | Overall - Apr: Best | Overall - May: Best | Overall - Jun: Best | Overall - Jul: Best | Overall - Aug: Best | Overall - Sep: Best | Overall - Oct: Good | Overall - Nov: Tradeoffs | Overall - Dec: Tradeoffs |
These do not replace the overall planner. Use them only if a specific animal or event is driving your trip dates.
Green turtle nesting at Chagar Hutang (Redang)
Best for Topside, Snorkel, Scuba
May to Jul
Chagar Hutang is one of Redang's most important nesting beaches, and published research and local programs highlight May to July as peak nesting.
Hatchlings and turtle conservation programs
Best for Topside
Jul to Sep
Hatchling activity can follow peak nesting.
Whale shark luck at offshore mounts
Best for Scuba, Freedive
May to Aug
Sightings are not guaranteed, but offshore sites and mounts are where divers occasionally get lucky with whale sharks during the calmer season.
School holiday crowd bump
Jun to Aug
Expect higher occupancy and fuller boats during school holidays.
Built from climate references, access rules, and destination operators. Wildlife timing and route flexibility can shift year to year.