Best Time to Dive in Moorea / Tahiti, French Polynesia
Aim for July to October, when the downpours ease — 2 days a month of heavy rain instead of 6. The marine life holds steady all year, so the weather picks the month.
- Best time
- Jul–Oct
- Water
- 27–29 °C
- Visibility
- 5–20 m
- Dived from
- day boat
- Tidal range
- 0.1–0.3 m
- Species logged
- 9
Worth knowing: 94% of days see seas over 1.5 m.
Where it is
111 km across · coastline from Natural Earth 10m
Diving in Moorea / Tahiti, French Polynesia — monthly breakdown
A year of scuba diving conditions at a glance. Hover a month to isolate it.
| January | February | March | April | May | June | July | August | September | October | November | December | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Conditions | Poor | Poor | Excellent | Poor | Good | Poor | Good | Good | Excellent | Moderate | Moderate | Poor |
| Water temp (°C) | 29 | 29 | 29 | 29 | 29 | 28 | 27 | 27 | 27 | 27 | 28 | 28 |
| Visibility (m) | 5–15 | 10–20 | 5–15 | 5–15 | 5–15 | 5–15 | 5–15 | 5–15 | 5–15 | 10–20 | 5–15 | 5–15 |
| Marine life | Steady | Steady | Steady | Steady | Busy | Steady | Steady | Steady | Busy | Steady | Steady | Steady |
| Best time | Peak | Peak | Peak | Peak |
Long-term averages, 2016–2025. Visibility is estimated from satellite chlorophyll-a. Water temperature is the surface mean; it is cooler at depth.
The Moorea / Tahiti, French Polynesia diving season
May to September · Peak season
5 months- Water temperature
- 27–29 °C
- Visibility
- 5–15 m
- Rain
- 13 days a month
Diving conditionsThe wind is up. It rains less.
October to November · Shoulder season
2 months- Water temperature
- 27–28 °C
- Visibility
- 10–20 m
- Rain
- 18 days a month
Diving conditionsRain is frequent topside.
December to April · Off season
5 months- Water temperature
- 28–29 °C
- Visibility
- 5–15 m
- Rain
- 22 days a month
Diving conditionsIt rains more.
- Water temperature is satellite sea-surface temperature, so expect it cooler below the thermocline.
- Visibility is estimated from satellite chlorophyll-a.
French Polynesia water temperature and weather
1,042 underwater observation records · 23 surveyed years of ocean data · 10 years of sea temperature
Water & weather
Moorea / Tahiti, French Polynesia water temperature by month
The dashed line is the monthly average. Eight days in ten fall inside the band.
10th to 90th percentile rangemonthly mean
Seas top 1.5 m on 77% of days. Enough to cancel a day boat
Gusts over 40 km/h, about where a day boat stays in port
4 of them bring heavy rain
| Month | Swell | Gusts over 40 km/h | Wet days | Heavy rain | Air | Daylight |
|---|---|---|---|---|---|---|
| January | 2.3 m | 2% | 24 | 8 | 28 °C | 12.9 h |
| February | 2.7 m | 5% | 22 | 8 | 28 °C | 12.6 h |
| March | 2.1 m | 1% | 21 | 4 | 29 °C | 12.1 h |
| April | 2.8 m | 1% | 21 | 6 | 28 °C | 11.6 h |
| May | 3.1 m | 2% | 14 | 3 | 28 °C | 11.2 h |
| June | 3.1 m | 4% | 14 | 3 | 27 °C | 11.0 h |
| July | 3.1 m | 2% | 12 | 2 | 27 °C | 11.0 h |
| August | 3.0 m | 4% | 13 | 1 | 27 °C | 11.4 h |
| September | 2.9 m | 1% | 14 | 2 | 27 °C | 11.9 h |
| October | 2.7 m | 2% | 16 | 4 | 27 °C | 12.4 h |
| November | 2.6 m | 1% | 20 | 5 | 27 °C | 12.8 h |
| December | 2.2 m | 1% | 23 | 9 | 28 °C | 13.0 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.
| Week 1 | January week 1: Moderate | February week 1: Poor | March week 1: Good | April week 1: Moderate | May week 1: Moderate | June week 1: Moderate | July week 1: Good | August week 1: Good | September week 1: Good | October week 1: Good | November week 1: Good | December week 1: Poor |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Week 2 | January week 2: Poor | February week 2: Poor | March week 2: Good | April week 2: Moderate | May week 2: Moderate | June week 2: Poor | July week 2: Moderate | August week 2: Good | September week 2: Excellent | October week 2: Good | November week 2: Moderate | December week 2: Poor |
| Week 3 | January week 3: Poor | February week 3: Poor | March week 3: Excellent | April week 3: Poor | May week 3: Good | June week 3: Poor | July week 3: Good | August week 3: Excellent | September week 3: Excellent | October week 3: Moderate | November week 3: Poor | December week 3: Moderate |
| Week 4 | January week 4: Poor | February week 4: Moderate | March week 4: Excellent | April week 4: Poor | May week 4: Excellent | June week 4: Poor | July week 4: Good | August week 4: Excellent | September week 4: Excellent | October week 4: Moderate | November week 4: Good | December week 4: Moderate |
January, week by week
| Week | Conditions | Water | Swell | Wind | Rain chance |
|---|---|---|---|---|---|
| Week 1 | Moderate | 29 °C | 2.1 m | 23 km/h | 82% |
| Week 2 | Poor | 29 °C | 2.6 m | 23 km/h | 78% |
| Week 3 | Poor | 29 °C | 2.5 m | 25 km/h | 69% |
| Week 4 | Poor | 29 °C | 2.2 m | 25 km/h | 72% |
February, week by week
| Week | Conditions | Water | Swell | Wind | Rain chance |
|---|---|---|---|---|---|
| Week 1 | Poor | 29 °C | 2.5 m | 25 km/h | 72% |
| Week 2 | Poor | 29 °C | 3.1 m | 25 km/h | 74% |
| Week 3 | Poor | 29 °C | 2.7 m | 25 km/h | 80% |
| Week 4 | Moderate | 29 °C | 2.3 m | 21 km/h | 78% |
March, week by week
| Week | Conditions | Water | Swell | Wind | Rain chance |
|---|---|---|---|---|---|
| Week 1 | Good | 29 °C | 2.2 m | 21 km/h | 73% |
| Week 2 | Good | 29 °C | 2.1 m | 21 km/h | 71% |
| Week 3 | Excellent | 29 °C | 2.1 m | 20 km/h | 71% |
| Week 4 | Excellent | 29 °C | 2.0 m | 19 km/h | 64% |
April, week by week
| Week | Conditions | Water | Swell | Wind | Rain chance |
|---|---|---|---|---|---|
| Week 1 | Moderate | 29 °C | 2.2 m | 19 km/h | 62% |
| Week 2 | Moderate | 29 °C | 2.5 m | 21 km/h | 69% |
| Week 3 | Poor | 29 °C | 2.9 m | 21 km/h | 74% |
| Week 4 | Poor | 29 °C | 3.2 m | 21 km/h | 70% |
May, week by week
| Week | Conditions | Water | Swell | Wind | Rain chance |
|---|---|---|---|---|---|
| Week 1 | Moderate | 29 °C | 3.2 m | 21 km/h | 60% |
| Week 2 | Moderate | 29 °C | 3.2 m | 23 km/h | 56% |
| Week 3 | Good | 29 °C | 2.9 m | 22 km/h | 44% |
| Week 4 | Excellent | 28 °C | 3.0 m | 21 km/h | 34% |
June, week by week
| Week | Conditions | Water | Swell | Wind | Rain chance |
|---|---|---|---|---|---|
| Week 1 | Moderate | 28 °C | 3.1 m | 22 km/h | 40% |
| Week 2 | Poor | 28 °C | 3.1 m | 24 km/h | 48% |
| Week 3 | Poor | 28 °C | 3.0 m | 24 km/h | 52% |
| Week 4 | Poor | 28 °C | 2.9 m | 24 km/h | 44% |
July, week by week
| Week | Conditions | Water | Swell | Wind | Rain chance |
|---|---|---|---|---|---|
| Week 1 | Good | 27 °C | 2.8 m | 26 km/h | 36% |
| Week 2 | Moderate | 27 °C | 3.0 m | 25 km/h | 38% |
| Week 3 | Good | 27 °C | 3.2 m | 24 km/h | 35% |
| Week 4 | Good | 27 °C | 3.2 m | 24 km/h | 37% |
August, week by week
| Week | Conditions | Water | Swell | Wind | Rain chance |
|---|---|---|---|---|---|
| Week 1 | Good | 27 °C | 3.3 m | 26 km/h | 43% |
| Week 2 | Good | 27 °C | 3.1 m | 25 km/h | 43% |
| Week 3 | Excellent | 27 °C | 2.9 m | 25 km/h | 41% |
| Week 4 | Excellent | 27 °C | 2.8 m | 26 km/h | 43% |
September, week by week
| Week | Conditions | Water | Swell | Wind | Rain chance |
|---|---|---|---|---|---|
| Week 1 | Good | 27 °C | 3.3 m | 25 km/h | 41% |
| Week 2 | Excellent | 27 °C | 2.9 m | 23 km/h | 38% |
| Week 3 | Excellent | 27 °C | 2.5 m | 23 km/h | 50% |
| Week 4 | Excellent | 27 °C | 2.5 m | 22 km/h | 54% |
October, week by week
| Week | Conditions | Water | Swell | Wind | Rain chance |
|---|---|---|---|---|---|
| Week 1 | Good | 27 °C | 2.6 m | 22 km/h | 48% |
| Week 2 | Good | 27 °C | 2.6 m | 22 km/h | 50% |
| Week 3 | Moderate | 27 °C | 2.6 m | 22 km/h | 60% |
| Week 4 | Moderate | 27 °C | 2.7 m | 22 km/h | 56% |
November, week by week
| Week | Conditions | Water | Swell | Wind | Rain chance |
|---|---|---|---|---|---|
| Week 1 | Good | 27 °C | 2.6 m | 21 km/h | 59% |
| Week 2 | Moderate | 28 °C | 2.6 m | 22 km/h | 68% |
| Week 3 | Poor | 28 °C | 2.7 m | 23 km/h | 68% |
| Week 4 | Good | 28 °C | 2.4 m | 23 km/h | 65% |
December, week by week
| Week | Conditions | Water | Swell | Wind | Rain chance |
|---|---|---|---|---|---|
| Week 1 | Poor | 28 °C | 2.5 m | 24 km/h | 63% |
| Week 2 | Poor | 28 °C | 2.3 m | 23 km/h | 67% |
| Week 3 | Moderate | 28 °C | 2.1 m | 22 km/h | 77% |
| Week 4 | Moderate | 28 °C | 2.0 m | 22 km/h | 82% |
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.
| January | February | March | April | May | June | July | August | September | October | November | December | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Suit | January: skin | February: skin | March: skin | April: skin | May: skin | June: skin | July: 3 mm | August: 3 mm | September: 3 mm | October: 3 mm | November: skin | December: skin |
- Nov–Junskin or 3 mm shorty
- Jul–Oct3 mm full suit
Swell through the year
The rough end of each month — nine days in ten come in under it.
Amber is over 1.5 m.
Tides
Tropical storms
2 of the last 30 Februarys saw a tropical storm pass within 250 km. Anything has been recorded Jan–Feb, Nov.
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
Moorea / Tahiti, French Polynesia marine life — what you'll see diving
| Species | When | Observed window | Reliability | Evidence | Records |
|---|---|---|---|---|---|
| Blacktip reef shark | All year | Near-guaranteed | 255 | ||
| Humpback whale | Aug–Sep | Near-guaranteed | 392 | ||
| Green turtle | All year | Likely | 132 | ||
| Hawksbill turtle | All year | Likely | 59 | ||
| Ocellated eagle ray | All year | Likely | 62 | ||
| Napoleon wrasse | All year | Likely | 24 | ||
| Spinner dolphin | May, Sep | Likely | 59 | ||
| Whitetip reef shark | Feb, Aug, Oct | Hit-or-miss | 11 | ||
| Grey reef shark | Jul, Oct | Hit-or-miss | 9 |
- 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 Moorea / Tahiti, French Polynesia — common questions
- When is the best time to dive Moorea / Tahiti, French Polynesia?
- Aim for July to October, when the downpours ease — 2 days a month of heavy rain instead of 6. The marine life holds steady all year, so the weather picks the month.
- When is the diving season in Moorea / Tahiti, French Polynesia?
- The diving season in Moorea / Tahiti, French Polynesia runs July to October.
- Is the diving in Moorea / Tahiti, French Polynesia good for beginners?
- Yes. It suits Open Water divers, so it works for a first trip after certification.
- How warm is the water in Moorea / Tahiti, French Polynesia?
- Between 27 and 29 °C at the surface across the year, coldest in August and warmest in March. It runs cooler below the thermocline.
- What wetsuit do I need in Moorea / Tahiti, French Polynesia?
- 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 Moorea / Tahiti, French Polynesia?
- Roughly 5 to 20 m depending on the month. That is estimated from satellite chlorophyll-a rather than measured in the water.
- What will I see diving Moorea / Tahiti, French Polynesia?
- The most consistently recorded species are Blacktip reef shark (near-guaranteed), Humpback whale (near-guaranteed) and Green turtle (likely), from 1,042 records within 60 km.
- Does Moorea / Tahiti, French Polynesia get tropical storms?
- Yes. Over 30 years of records a storm passed within 250 km in Jan–Feb, Nov, most often in February at 2 of 30 years.
- Is there current in Moorea / Tahiti, French Polynesia?
- The tide rises and falls 0.3 m around the full and new moon, against 0.1 m in between. How much of that becomes current depends on the shape of the channel.
- When should I avoid Moorea / Tahiti, French Polynesia?
- February is the weakest month for conditions.
- How do you dive Moorea / Tahiti, French Polynesia?
- Mostly from day boats. Trips run through the season, Jul–Oct.