Caribbean

Best Time to Dive in Bonaire

12.12°N 68.30°W

What draws people is Bonaire's shore-diving fringing reef. It is there all year, and the conditions barely move either, so any month works.

Best time
Any month
Water
2729 °C
Visibility
1530 m
Dived from
shore diving
Tidal range
0.20.4 m
Species logged
7

Worth knowing: 63% of days see seas over 1 m.

Where it is

Caribbean
25 kmN

111 km across · coastline from Natural Earth 10m

Diving in Bonaire — monthly breakdown

Conditions do not vary here

Conditions barely change across the year, so no month beats another — pick on wildlife or price.

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
ConditionsEvenEvenEvenEvenEvenEvenEvenEvenEvenEvenEvenEven
Water temp (°C)272727272728282929292928
Visibility (m)203020302030203020302030203015252030203020302030
Marine lifeSteadySteadySteadySteadySteadySteadyBusyBusySteadyBusySteadySteady
Excellent Good Moderate PoorSame all year

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

The Bonaire diving season

1 seasons

Good all year

12 months
Water temperature
2729 °C
Visibility
2030 m
Rain
13 days a month

Diving conditionsExpect some swell. Rain is frequent topside.

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

Bonaire water temperature and weather

1,352 underwater observation records · 28 surveyed years of ocean data · 10 years of sea temperature

Water & weather

Bonaire 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

19
rough days a month

Seas top 1.0 m on 65% of days. Enough to cancel a shore entry

1
blowy days a month

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

13
wet days a month

1 of them bring heavy rain

Monthly sea state, wind, rain, air temperature and daylight
MonthSwellGusts over 40 km/hWet daysHeavy rainAirDaylight
January1.5 m6%14028 °C11.4 h
February1.6 m10%13028 °C11.6 h
March1.6 m10%11029 °C11.9 h
April1.5 m4%9029 °C12.3 h
May1.6 m14%8030 °C12.6 h
June1.6 m8%13030 °C12.7 h
July1.4 m2%14030 °C12.6 h
August1.2 m2%13130 °C12.4 h
September1.2 m0%9131 °C12.1 h
October1.3 m2%16230 °C11.7 h
November1.5 m0%21329 °C11.4 h
December1.4 m1%18129 °C11.3 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: ModerateFebruary week 1: ModerateMarch week 1: ModerateApril week 1: ModerateMay week 1: ModerateJune week 1: ModerateJuly week 1: ModerateAugust week 1: ModerateSeptember week 1: ModerateOctober week 1: ModerateNovember week 1: ModerateDecember week 1: Moderate
Week 2January week 2: ModerateFebruary week 2: ModerateMarch week 2: ModerateApril week 2: ModerateMay week 2: ModerateJune week 2: ModerateJuly week 2: ModerateAugust week 2: ModerateSeptember week 2: ModerateOctober week 2: ModerateNovember week 2: ModerateDecember week 2: Moderate
Week 3January week 3: ModerateFebruary week 3: ModerateMarch week 3: ModerateApril week 3: ModerateMay week 3: ModerateJune week 3: ModerateJuly week 3: ModerateAugust week 3: ModerateSeptember week 3: ModerateOctober week 3: ModerateNovember week 3: ModerateDecember week 3: Moderate
Week 4January week 4: ModerateFebruary week 4: ModerateMarch week 4: ModerateApril week 4: ModerateMay week 4: ModerateJune week 4: ModerateJuly week 4: ModerateAugust week 4: ModerateSeptember week 4: ModerateOctober week 4: ModerateNovember week 4: ModerateDecember week 4: Moderate
Excellent Good Moderate PoorBest week to go: fourth of February

February, week by week

WeekConditionsWaterSwellWindRain chance
Week 1Moderate27 °C1.5 m33 km/h40%
Week 2Moderate27 °C1.7 m36 km/h49%
Week 3Moderate27 °C1.7 m34 km/h48%
Week 4Moderate27 °C1.4 m31 km/h39%

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: 3 mmFebruary: 3 mmMarch: 3 mmApril: 3 mmMay: 3 mmJune: skinJuly: skinAugust: skinSeptember: skinOctober: skinNovember: skinDecember: skin
  • Jan–May3 mm full suit
  • Jun–Decskin or 3 mm shorty

Swell through the year

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

JanJanuary: 1.5 metresFebFebruary: 1.6 metresMarMarch: 1.6 metresAprApril: 1.5 metresMayMay: 1.6 metresJunJune: 1.6 metresJulJuly: 1.4 metresAugAugust: 1.2 metresSepSeptember: 1.2 metresOctOctober: 1.3 metresNovNovember: 1.5 metresDecDecember: 1.4 metres

Amber is over 1.0 m.

Tides

springs 0.4 mneaps 0.1 mneapsone lunar month
Daily tidal range across one lunar month.

Tropical storms

4 of the last 30 Septembers saw a tropical storm pass within 250 km. Anything has been recorded Jun–Nov.

JanJanuary: 0 of 30 yearsFebFebruary: 0 of 30 yearsMarMarch: 0 of 30 yearsAprApril: 0 of 30 yearsMayMay: 0 of 30 yearsJunJune: 1 of 30 yearsJulJuly: 2 of 30 yearsAugAugust: 3 of 30 yearsSepSeptember: 4 of 30 yearsOctOctober: 1 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

Bonaire marine life — what you'll see diving

1,352 records within 60 km
SpeciesWhenObserved windowReliabilityEvidenceRecords
Green turtleAll yearNear-guaranteed
19/28
513
Spotted eagle rayAll yearNear-guaranteed
18/28
63
Hawksbill turtleJul–Aug, OctNear-guaranteed
18/28
544
Southern stingrayAll yearNear-guaranteed
17/28
46
Loggerhead turtleJun, AugHit-or-miss
4/28
128
Bottlenose dolphinApr, Jun–AugHit-or-miss
5/28
11
Yellowfin tunaJanHit-or-miss
4/28
11
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 Bonaire — common questions

When is the best time to dive Bonaire?
Conditions barely change across the year at Bonaire, so any month works — pick on wildlife or price.
When is the diving season in Bonaire?
There is no real season in Bonaire: conditions barely change, so you can dive any month.
Is the diving in Bonaire good for beginners?
Yes. It suits Open Water divers, so it works for a first trip after certification.
How warm is the water in Bonaire?
Between 27 and 29 °C at the surface across the year, coldest in February and warmest in October. It runs cooler below the thermocline.
What wetsuit do I need in Bonaire?
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 Bonaire?
Roughly 15 to 30 m depending on the month. That is estimated from satellite chlorophyll-a rather than measured in the water.
What will I see diving Bonaire?
The most consistently recorded species are Green turtle (near-guaranteed), Spotted eagle ray (near-guaranteed) and Hawksbill turtle (near-guaranteed), from 1,352 records within 60 km.
Does Bonaire get tropical storms?
Yes. Over 30 years of records a storm passed within 250 km in Jun–Nov, most often in September at 4 of 30 years.
Is there current in Bonaire?
The tide rises and falls 0.4 m around the full and new moon, against 0.2 m in between. How much of that becomes current depends on the shape of the channel.
How do you dive Bonaire?
Mostly from the shore. Trips run through the season, Dec–Apr.