Indonesia

Best Time to Dive in Wakatobi

5.83°S 123.78°E

The best conditions run August to November, when the rain backs off — 9 wet days a month instead of 22. Too few records to show a wildlife season, so the weather picks the month.

Best time
Aug–Nov
Water
2730 °C
Visibility
515 m
Dived from
day boat
Tidal range
1.12.1 m
Species logged
6

Worth knowing: 7 days a month of heavy rain.

Where it is

Indonesia
25 kmN

111 km across · coastline from Natural Earth 10m

Diving in Wakatobi — monthly breakdown

Best months at this destination

A year of scuba diving conditions at a glance. Hover a month to isolate it.

Month by month conditions, water temperature, visibility and marine life
JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember
ConditionsPoorPoorPoorGoodPoorPoorGoodGoodExcellentExcellentGoodPoor
Water temp (°C)292930302928282728293030
Visibility (m)515515515515515515515515515515515515
Marine lifeSteadySteadyBusyPeakSteadyBusyBusySteadyPeakBusyPeakBusy
Best timePeakPeakPeakPeak
Excellent Good Moderate PoorPeak season Aug–Nov

Long-term averages, 2016–2025. Visibility is estimated from satellite chlorophyll-a. Water temperature is the surface mean; it is cooler at depth.

The Wakatobi diving season

2 seasons

July to November · Peak season

5 months
Water temperature
2730 °C
Visibility
515 m
Rain
10 days a month

Diving conditionsIt rains less.

December to June · Off season

7 months
Water temperature
2830 °C
Visibility
515 m
Rain
23 days a month

Diving conditionsIt rains more.

  • Spring tides run 2.1 m against 1.1 m on neaps, so currents build around the full and new moon.
  • Water temperature is satellite sea-surface temperature, so expect it cooler below the thermocline.
  • Visibility is estimated from satellite chlorophyll-a.

Wakatobi water temperature and weather

87 underwater observation records · 16 surveyed years of ocean data · 10 years of sea temperature

Water & weather

Wakatobi water temperature by month

The dashed line is the monthly average. Eight days in ten fall inside the band.

262728293031JanFebMarAprMayJunJulAugSepOctNovDecSea temperature (°C)

10th to 90th percentile rangemonthly mean

Rarely
rough enough to cancel

Seas top 1.5 m on 3% of days. Enough to cancel a day boat

0
blowy days a month

Gusts over 40 km/h, about where a day boat stays in port

17
wet days a month

6 of them bring heavy rain

Monthly sea state, wind, rain, air temperature and daylight
MonthSwellGusts over 40 km/hWet daysHeavy rainAirDaylight
January1.3 m1%27929 °C12.3 h
February1.4 m2%25929 °C12.2 h
March1.1 m0%251029 °C12.0 h
April0.9 m0%21729 °C11.9 h
May1.2 m1%21829 °C11.7 h
June1.2 m1%18828 °C11.7 h
July1.3 m0%12328 °C11.7 h
August1.4 m1%4127 °C11.8 h
September1.0 m0%6128 °C12.0 h
October0.8 m0%8229 °C12.1 h
November0.9 m0%18429 °C12.3 h
December1.3 m3%24829 °C12.3 h

Swell is the rough end of the month: nine days in ten come in under it. Sea temperature covers 10 years, waves 4.

Pick your week

48 weeks from the daily record. Darker is better, against this site's own year. Pick a month for the detail.

Conditions by week, four weeks per month
Week 1January week 1: PoorFebruary week 1: PoorMarch week 1: PoorApril week 1: GoodMay week 1: PoorJune week 1: PoorJuly week 1: ModerateAugust week 1: GoodSeptember week 1: GoodOctober week 1: ExcellentNovember week 1: ExcellentDecember week 1: Moderate
Week 2January week 2: PoorFebruary week 2: PoorMarch week 2: PoorApril week 2: GoodMay week 2: PoorJune week 2: PoorJuly week 2: ModerateAugust week 2: GoodSeptember week 2: ExcellentOctober week 2: ExcellentNovember week 2: GoodDecember week 2: Moderate
Week 3January week 3: PoorFebruary week 3: PoorMarch week 3: PoorApril week 3: GoodMay week 3: PoorJune week 3: PoorJuly week 3: ExcellentAugust week 3: GoodSeptember week 3: ExcellentOctober week 3: ExcellentNovember week 3: GoodDecember week 3: Poor
Week 4January week 4: PoorFebruary week 4: PoorMarch week 4: ModerateApril week 4: ModerateMay week 4: PoorJune week 4: PoorJuly week 4: ExcellentAugust week 4: GoodSeptember week 4: ExcellentOctober week 4: ExcellentNovember week 4: GoodDecember week 4: Poor
Excellent Good Moderate PoorBest week to go: fourth of September

September, week by week

WeekConditionsWaterSwellWindRain chance
Week 1Good28 °C1.2 m28 km/h23%
Week 2Excellent28 °C1.1 m26 km/h20%
Week 3Excellent28 °C1.1 m24 km/h18%
Week 4Excellent28 °C0.9 m23 km/h20%

10 years of daily records, averaged into weeks.

Gear & storms

What to wear

Off the coldest water of each month, not the average — that is what the suit has to cope with.

Wetsuit thickness by month
JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember
SuitJanuary: skinFebruary: skinMarch: skinApril: skinMay: skinJune: skinJuly: 3 mmAugust: 3 mmSeptember: skinOctober: skinNovember: skinDecember: skin
  • Sep–Junskin or 3 mm shorty
  • Jul–Aug3 mm full suit

Swell through the year

The rough end of each month — nine days in ten come in under it.

JanJanuary: 1.3 metresFebFebruary: 1.4 metresMarMarch: 1.1 metresAprApril: 0.9 metresMayMay: 1.2 metresJunJune: 1.2 metresJulJuly: 1.3 metresAugAugust: 1.4 metresSepSeptember: 1.0 metresOctOctober: 0.8 metresNovNovember: 0.9 metresDecDecember: 1.3 metres

Amber is over 1.5 m.

Tides

springs 2.2 mneaps 1.3 mneapsone lunar month
Daily tidal range across one lunar month.

Tropical storms

1 of the last 30 Novembers saw a tropical storm pass within 250 km. November is the only month with a recorded pass.

JanJanuary: 0 of 30 yearsFebFebruary: 0 of 30 yearsMarMarch: 0 of 30 yearsAprApril: 0 of 30 yearsMayMay: 0 of 30 yearsJunJune: 0 of 30 yearsJulJuly: 0 of 30 yearsAugAugust: 0 of 30 yearsSepSeptember: 0 of 30 yearsOctOctober: 0 of 30 yearsNovNovember: 1 of 30 yearsDecDecember: 0 of 30 years

Share of the last 30 years with a storm that month.

  • NOAASea surface temperature, from OISST and MUR
  • ERA5Wind, waves, rain and air temperature, via Open-Meteo
  • OBISMarine species records within 60 km
  • IBTrACSTropical cyclone tracks, 1996 to 2025

Wakatobi marine life — what you'll see diving

87 records within 60 km

Only 87 records have been logged within 60 km. A thin record is not an empty reef.

SpeciesWhenObserved windowReliabilityEvidenceRecords
Ocellated eagle rayNovHit-or-miss
3/16
10
Bluespotted ribbontail rayApr, Jul, Sep, NovNear-guaranteed
10/16
20
Hawksbill turtleMar, Jun, NovLikely
7/16
16
Green turtleJul–Aug, Nov–DecLikely
8/16
12
Napoleon wrasseApr, Jun, Sep–OctLikely
5/16
11
Bumphead parrotfishApr, Sep, NovLikely
7/16
8
Peak Present
Observed window
Months with records. Peak is where most of them fall.
Reliability
  • Near-guaranteed in 60% of surveyed years or more
  • Likely 30% to 60%
  • Hit-or-miss under 30%
Evidence
Years it was seen, out of the years anyone surveyed.
Records
OBIS sightings within 60 km.

These are sightings people logged, not a full survey of the reef. A species missing from a month may just mean nobody recorded one.

Diving Wakatobi — common questions

When is the best time to dive Wakatobi?
The best conditions run August to November, when the rain backs off — 9 wet days a month instead of 22. Too few records to show a wildlife season, so the weather picks the month.
When is the diving season in Wakatobi?
The diving season in Wakatobi runs August to November.
Is the diving in Wakatobi good for beginners?
Yes. It suits Open Water divers, so it works for a first trip after certification.
How warm is the water in Wakatobi?
Between 27 and 30 °C at the surface across the year, coldest in August and warmest in April. It runs cooler below the thermocline.
What wetsuit do I need in Wakatobi?
A 3 mm full suit covers the coldest water of the year. In the warmest months a skin or 3 mm shorty is enough.
What is the visibility like in Wakatobi?
Roughly 5 to 15 m depending on the month. That is estimated from satellite chlorophyll-a rather than measured in the water.
What will I see diving Wakatobi?
The most consistently recorded species are Ocellated eagle ray (hit-or-miss), Bluespotted ribbontail ray (near-guaranteed) and Hawksbill turtle (likely), from 87 records within 60 km.
Does Wakatobi get tropical storms?
Yes. Over 30 years of records a storm passed within 250 km in Nov, most often in November at 1 of 30 years.
Is there current in Wakatobi?
The tide rises and falls 2.1 m around the full and new moon, against 1.1 m in between. How much of that becomes current depends on the shape of the channel.
When should I avoid Wakatobi?
January–February, May–June are the weakest months for conditions.
How do you dive Wakatobi?
Mostly from day boats. Trips run through the season, Aug–Nov.