Seasons

Learn more about the right time to sail the regions of Indonesia.

Calico Jack and Anne Bonny offer year-round sailing across Indonesia, from the remote reefs of Raja Ampat to the whale shark waters of Triton Bay and the dragon-filled islands of Komodo.

With over 17,000 islands spread across 1.9 million km² and three time zones, Indonesia’s seasons shift dramatically from region to region. These changing conditions determine when each area is at its best, calm seas, clear skies, and vibrant marine life.

With over two decades of experience sailing these waters, and a local Indonesian crew whose knowledge of winds, tides, and currents spans generations, our vessels are purpose-built for exploration. Calico Jack Charters takes you to the most remote and rewarding corners of Indonesia, safely, comfortably, and at exactly the right time of year.

Key seasons :

Raja Ampat: October – April
Komodo: May – October
Banda Sea: September – October
Triton Bay: October – April

Best Time to Visit Raja Ampat Indonesia

When Is the Best Time to Visit Komodo National Park?

What To Know When Traveling to Banda Sea

Diving Indonesia – How to choose itinerary and When to go?

Indonesia Sailing Seasons

The table below breaks down the monthly conditions of our main destinations.

Month	Raja Ampat	Triton Bay	Komodo	Banda Sea	Cenderawasih Bay	Mentawai (Surf)
January	✅ Peak season – mantas, glassy seas	✅ Excellent – whale sharks, macro life	❌ Wet / rough seas	❌ Closed	❌ Off season	⚪ Rare early swells
February	✅ Ideal – warm water, top visibility	✅ Calm, colorful reefs	❌ Wet / rough	❌ Closed	❌ Off	⚪ Building swell
March	✅ Still excellent, fewer boats	✅ Excellent – Kiti-Kiti waterfall	⚪ Transition month	❌ Closed	❌ Off	⚪ Start of season
April	✅ Shoulder month, fewer crowds	✅ Good visibility, calm seas	⚪ Season improving	❌ Closed	❌ Off	⚪ Early season
May	⚪ Season ending	⚪ Windy but diveable	✅ Dry season starts	❌ Closed	✅ Whale shark peak	✅ Surf season begins
June	❌ Windy	❌ Off season	✅ Excellent – mantas, dragons	❌ Closed	✅ Whale sharks	✅ Peak surf
July	❌ Windy	❌ Off season	✅ Peak – calm, clear seas	❌ Closed	✅ Whale sharks	✅ Peak surf
August	❌ Windy	❌ Off season	✅ Peak – best visibility	❌ Closed	✅ Great diving	✅ Peak surf
September	⚪ Transition – winds easing	⚪ Reopening soon	✅ Excellent – fewer crowds	✅ Opening window	⚪ End of whale shark season	✅ Great surf
October	✅ Season opens, mantas return	✅ Season opens	✅ Good early month	✅ Hammerhead season	⚪ Off	✅ Late-season surf
November	✅ Peak – mantas & calm seas	✅ Whale shark peak	❌ Rough seas	⚪ End of hammerhead season	❌ Off	❌ Off
December	✅ Peak holidays, calm seas	✅ Calm, colorful soft corals	❌ Monsoon begins	❌ Closed	❌ Off	❌ Off