Diving holidays in Malaysia could come with more cancellations this season — and the country's scuba industry says that's a good thing. The Malaysia Scuba Diving Association (MSDA) has told tour operators to postpone or scrap trips whenever sea conditions turn risky, even if customers have already paid, and warned divers not to pressure crews into heading out just to protect a booking.

The timing matters. Malaysia's north-east monsoon is approaching, and operators along the east coast routinely suspend services for the season. The current monsoon transition phase, running until the end of October, brings thunderstorms, heavy rain and strong winds. MSDA president Aminor Azmi Abdul Latip said safety decisions should weigh weather warnings, wind and waves, visibility, the boat's condition and the crew's capabilities — and that if weather worsens mid-trip, the activity should be halted and the boat should return to shore or shelter.

The statement follows two diving fatalities off Pulau Tioman in September, both during introductory dive experiences. Indian tourist Sabiya Shiek, 65, drowned after falling from a dive boat on 12 September, and Mohammed Seyar Musazay, 55, a US-based Afghan tourist, lost consciousness during an introductory dive on 30 September. Neither death is thought to be weather-related, but the incidents have put dive-operator safety under scrutiny, and the MSDA says it will push for investigations — and even call for centres to be shut down — if negligence is found.

The association's checklist for operators is thorough: boats inspected before every departure (engines, fuel, batteries, steering, bilge pumps), enough fuel plus an emergency reserve, tested marine radios rather than relying on mobile phones, working lifejackets, navigation kit and first-aid supplies, plus a safety briefing for all passengers. Divers are told to be medically fit, declare health conditions and carry their medications. The MSDA also wants haze monitored via the Air Pollutant Index, since smoke near the islands can slash visibility and make it hard for captains to spot other boats or swimmers at the surface.

Why it matters for travellers: if you're booked to dive or snorkel off Tioman, the Perhentians or Redang in the coming weeks, a cancellation may well be the responsible call rather than operator laziness. Operators are expected to explain clearly and offer rescheduling under booking terms, so build flexibility into your plans rather than arguing your way onto a boat in rough seas.