Chile

Best Time to Dive in Easter Island (Rapa Nui)

27.18°S 109.47°W

Dive it November to March for the long days — 13.1 hours of light against 11.2. Too few records to show a wildlife season, so the weather picks the month.

Best time
Nov–Mar
Water
2026 °C
Visibility
3040 m
Dived from
day boat
Tidal range
0.30.7 m
Species logged
1

Worth knowing: 98% of days see seas over 1.5 m.

Where it is

Chile
25 kmN

111 km across · coastline from Natural Earth 10m

Diving in Easter Island (Rapa Nui) — 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
ConditionsExcellentExcellentGoodModeratePoorPoorPoorPoorPoorModerateGoodExcellent
Water temp (°C)252626252322212120212223
Visibility (m)304030403040304030403040304030403040304030403040
Marine lifeSteadySteadySteadySteadySteadySteadySteadySteadySteadySteadySteadySteady
Best timePeakPeakPeakPeakPeak
Excellent Good Moderate PoorPeak season Nov–Mar

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

The Easter Island (Rapa Nui) diving season

4 seasons

April · Shoulder season

1 month
Water temperature
2525 °C
Visibility
3040 m
Rain
12 days a month

Diving conditionsIt rains more.

May to September · Off season

5 months
Water temperature
2023 °C
Visibility
3040 m
Rain
9 days a month

Diving conditionsThe wind is up.

October · Shoulder season

1 month
Water temperature
2121 °C
Visibility
3040 m
Rain
8 days a month

Diving conditionsSwell is common, and crossings can be rough.

November to March · Peak season

5 months
Water temperature
2226 °C
Visibility
3040 m
Rain
9 days a month

Diving conditionsThe wind eases.

  • Water temperature is satellite sea-surface temperature, so expect it cooler below the thermocline.
  • Visibility is estimated from satellite chlorophyll-a.

Easter Island (Rapa Nui) water temperature and weather

63 underwater observation records · 13 surveyed years of ocean data · 10 years of sea temperature

Water & weather

Easter Island (Rapa Nui) water temperature by month

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

182022242628JanFebMarAprMayJunJulAugSepOctNovDecSea temperature (°C)

10th to 90th percentile rangemonthly mean

29
rough days a month

Seas top 1.5 m on 98% of days. Enough to cancel a day boat

3
blowy days a month

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

9
wet days a month

2 of them bring heavy rain

Monthly sea state, wind, rain, air temperature and daylight
MonthSwellGusts over 40 km/hWet daysHeavy rainAirDaylight
January2.9 m3%9124 °C13.5 h
February2.8 m4%11224 °C12.9 h
March3.1 m7%11224 °C12.2 h
April3.5 m11%12223 °C11.3 h
May4.4 m20%11322 °C10.7 h
June4.3 m18%7121 °C10.3 h
July3.9 m18%10120 °C10.4 h
August3.9 m19%10219 °C11.0 h
September4.0 m16%7119 °C11.8 h
October3.9 m14%8120 °C12.7 h
November3.1 m3%6121 °C13.4 h
December2.5 m1%8122 °C13.7 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: ExcellentFebruary week 1: ExcellentMarch week 1: ExcellentApril week 1: GoodMay week 1: PoorJune week 1: PoorJuly week 1: PoorAugust week 1: PoorSeptember week 1: ModerateOctober week 1: PoorNovember week 1: ModerateDecember week 1: Excellent
Week 2January week 2: GoodFebruary week 2: GoodMarch week 2: ExcellentApril week 2: ModerateMay week 2: PoorJune week 2: PoorJuly week 2: PoorAugust week 2: PoorSeptember week 2: ModerateOctober week 2: ModerateNovember week 2: ModerateDecember week 2: Excellent
Week 3January week 3: ExcellentFebruary week 3: ExcellentMarch week 3: ModerateApril week 3: PoorMay week 3: PoorJune week 3: PoorJuly week 3: PoorAugust week 3: PoorSeptember week 3: PoorOctober week 3: GoodNovember week 3: ExcellentDecember week 3: Excellent
Week 4January week 4: ExcellentFebruary week 4: ExcellentMarch week 4: ModerateApril week 4: PoorMay week 4: PoorJune week 4: PoorJuly week 4: PoorAugust week 4: ModerateSeptember week 4: PoorOctober week 4: ModerateNovember week 4: ExcellentDecember week 4: Excellent
Excellent Good Moderate PoorBest week to go: fourth of December

December, week by week

WeekConditionsWaterSwellWindRain chance
Week 1Excellent23 °C2.7 m27 km/h19%
Week 2Excellent23 °C2.5 m27 km/h27%
Week 3Excellent23 °C2.5 m25 km/h24%
Week 4Excellent24 °C2.6 m23 km/h24%

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: 5 mmFebruary: 3 mmMarch: 3 mmApril: 5 mmMay: 5 mmJune: 5 mmJuly: 5 mm +August: 5 mm +September: 5 mm +October: 5 mm +November: 5 mm +December: 5 mm
  • Dec–Jan5 mm full suit
  • Feb–Mar3 mm full suit
  • Apr–Jun5 mm full suit
  • Jul–Nov5 mm with hood and gloves

Swell through the year

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

JanJanuary: 2.9 metresFebFebruary: 2.8 metresMarMarch: 3.1 metresAprApril: 3.5 metresMayMay: 4.4 metresJunJune: 4.3 metresJulJuly: 3.9 metresAugAugust: 3.9 metresSepSeptember: 4.0 metresOctOctober: 3.9 metresNovNovember: 3.1 metresDecDecember: 2.5 metres

Amber is over 1.5 m.

Tides

springs 0.8 mneaps 0.2 mneapsone lunar month
Daily tidal range across one lunar month.

Tropical storms

No tropical storm has come within 250 km in 30 years of records. Swell and wind set the season, not cyclones.

  • 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

Easter Island (Rapa Nui) marine life — what you'll see diving

63 records within 60 km

Only 63 records have been logged within 60 km. A thin record is not an empty reef.

SpeciesWhenObserved windowReliabilityEvidenceRecords
Green turtleAll yearNear-guaranteed
12/13
55
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 Easter Island (Rapa Nui) — common questions

When is the best time to dive Easter Island (Rapa Nui)?
Dive it November to March for the long days — 13.1 hours of light against 11.2. Too few records to show a wildlife season, so the weather picks the month.
When is the diving season in Easter Island (Rapa Nui)?
The diving season in Easter Island (Rapa Nui) runs November to March.
Is the diving in Easter Island (Rapa Nui) good for beginners?
Yes. It suits Open Water divers, so it works for a first trip after certification.
How warm is the water in Easter Island (Rapa Nui)?
Between 20 and 26 °C at the surface across the year, coldest in September and warmest in February. It runs cooler below the thermocline.
What wetsuit do I need in Easter Island (Rapa Nui)?
A 5 mm with hood and gloves covers the coldest water of the year. In the warmest months a 3 mm full suit is enough.
What is the visibility like in Easter Island (Rapa Nui)?
Roughly 30 to 40 m depending on the month. That is estimated from satellite chlorophyll-a rather than measured in the water.
What will I see diving Easter Island (Rapa Nui)?
The most consistently recorded species are Green turtle (near-guaranteed), from 63 records within 60 km.
Does Easter Island (Rapa Nui) get tropical storms?
No. None has passed within 250 km in 30 years of records.
Is there current in Easter Island (Rapa Nui)?
The tide rises and falls 0.7 m around the full and new moon, against 0.3 m in between. How much of that becomes current depends on the shape of the channel.
When should I avoid Easter Island (Rapa Nui)?
May, July–August are the weakest months for conditions.
How do you dive Easter Island (Rapa Nui)?
Mostly from day boats. Trips run through the season, Nov–Mar.