What's on in Raja Ampat (Waisai), Indonesia through the year
Raja Ampat, Indonesia has 6 curated events through the year — 1 natural spectacle, 2 holidays, 2 seasons and 1 local rule. The ones to plan around: Calm season on the straits (October) and Manta season (November). January, March, April and December are its peak-crowd months.
Updated September 2026 · every event curated and sourced · dates for 2026 where they are announced, the usual window where they are not
Best time to visit Raja Ampat (Waisai): weather, crowds and notes →
Raja Ampat (Waisai) events and crowds by month
| Month | What starts | Crowds |
|---|---|---|
| January | Marine park entry permit | Peak crowds |
| February | — | Busy |
| March | Lebaran domestic peak | Peak crowds |
| April | — | Peak crowds |
| May | — | Shoulder season |
| June | Windy season | Busy |
| July | — | Busy |
| August | — | Quiet |
| September | — | Busy |
| October | Calm season on the straits | Busy |
| November | Manta season | Busy |
| December | Christmas and New Year peak | Peak crowds |
January in Raja Ampat (Waisai)
Raja Ampat (Waisai) weather in January →Peak crowds — Calm season on the straits, Christmas and New Year peak
- Rule
Marine park entry permit
1 Jan – 31 DecEvery visitor buys an entry tag valid for a calendar year, either online beforehand or at the authority office in Waisai. It funds the patrols, and it is checked on the boats. Source ↗
Still on: Calm season on the straits (15 Oct – 30 Apr (usually)), Manta season (1 Nov – 30 Apr (usually)), Christmas and New Year peak (18 Dec – 5 Jan)
February in Raja Ampat (Waisai)
Raja Ampat (Waisai) weather in February →Busy — Calm season on the straits, school holidays in 2 of the markets that fill it
Nothing new starts in February.
Still on: Marine park entry permit (1 Jan – 31 Dec), Calm season on the straits (15 Oct – 30 Apr (usually)), Manta season (1 Nov – 30 Apr (usually))
March in Raja Ampat (Waisai)
Raja Ampat (Waisai) weather in March →Peak crowds — Lebaran domestic peak, Calm season on the straits
- Holiday
Lebaran domestic peak
5 Mar – 15 Apr · usuallyRamadan & EidCrowdedBook earlyFlights into Sorong and the ferry to Waisai fill with Indonesian holidaymakers for about ten days, and the homestays that stay open are booked out well before it. Source ↗
Still on: Marine park entry permit (1 Jan – 31 Dec), Calm season on the straits (15 Oct – 30 Apr (usually)), Manta season (1 Nov – 30 Apr (usually))
April in Raja Ampat (Waisai)
Raja Ampat (Waisai) weather in April →Peak crowds — Lebaran domestic peak, Calm season on the straits
Nothing new starts in April.
Still on: Marine park entry permit (1 Jan – 31 Dec), Lebaran domestic peak (5 Mar – 15 Apr (usually)), Calm season on the straits (15 Oct – 30 Apr (usually)), Manta season (1 Nov – 30 Apr (usually))
May in Raja Ampat (Waisai)
Raja Ampat (Waisai) weather in May →Shoulder season — school holidays in 2 of the markets that fill it, an ordinary month
Nothing new starts in May.
Still on: Marine park entry permit (1 Jan – 31 Dec)
June in Raja Ampat (Waisai)
Raja Ampat (Waisai) weather in June →Busy — Mid-year break in Indonesia, school holidays in 3 of the markets that fill it
- Season
Windy season
15 Jun – 30 Sep · usuallyWind seasonRiskThe southeast wind builds a short steep chop across the open crossings and the small boats stop running on the worst days. A number of homestays simply close for it.
Still on: Marine park entry permit (1 Jan – 31 Dec)
July in Raja Ampat (Waisai)
Raja Ampat (Waisai) weather in July →Busy — Mid-year break in Indonesia, school holidays in 5 of the markets that fill it
Nothing new starts in July.
Still on: Marine park entry permit (1 Jan – 31 Dec), Windy season (15 Jun – 30 Sep (usually))
August in Raja Ampat (Waisai)
Raja Ampat (Waisai) weather in August →Quiet — school holidays in 4 of the markets that fill it, one of its worst months for weather
Nothing new starts in August.
Still on: Marine park entry permit (1 Jan – 31 Dec), Windy season (15 Jun – 30 Sep (usually))
September in Raja Ampat (Waisai)
Raja Ampat (Waisai) weather in September →Busy — school holidays in 3 of the markets that fill it, one of its best months for weather
Nothing new starts in September.
Still on: Marine park entry permit (1 Jan – 31 Dec), Windy season (15 Jun – 30 Sep (usually))
October in Raja Ampat (Waisai)
Raja Ampat (Waisai) weather in October →Busy — Calm season on the straits, school holidays in 3 of the markets that fill it
- Season
Calm season on the straits
15 Oct – 30 Apr · usuallyDry seasonCrowdedThe settled months for both liveaboards and homestays, when the crossings between the big islands are comfortable and the currents are workable. Book the boats a year out for the peak weeks.
Still on: Marine park entry permit (1 Jan – 31 Dec)
November in Raja Ampat (Waisai)
Raja Ampat (Waisai) weather in November →Busy — Calm season on the straits
- Nature
Manta season
1 Nov – 30 Apr · usuallyDive seasonPlankton in the straits brings reef mantas onto the cleaning stations around Dampier and Arborek, densest in the first months of the year. The same water that feeds them cuts the visibility.
Still on: Marine park entry permit (1 Jan – 31 Dec), Calm season on the straits (15 Oct – 30 Apr (usually))
December in Raja Ampat (Waisai)
Raja Ampat (Waisai) weather in December →Peak crowds — Calm season on the straits, Christmas and New Year peak
- Holiday
Christmas and New Year peak
18 Dec – 5 JanChristmas & New YearCrowdedBook earlyThe one fortnight everything here sells out, on liveaboards and in the village homestays alike. Getting to Sorong on the right day is the harder half of the trip. Source ↗
Still on: Marine park entry permit (1 Jan – 31 Dec), Calm season on the straits (15 Oct – 30 Apr (usually)), Manta season (1 Nov – 30 Apr (usually))