Caribbean

Best Time to Dive in Barbados

13.08°N 59.63°W

Dive it March to May, when the rain backs off — 9 wet days a month instead of 16. Too few records to show a wildlife season, so the weather picks the month.

Best time
Mar–May
Water
2730 °C
Visibility
1535 m
Dived from
day boat
Tidal range
0.40.8 m
Species logged
3

Worth knowing: 59% of days see seas over 1.5 m.

Where it is

Caribbean
25 kmN

111 km across · coastline from Natural Earth 10m

Diving in Barbados — 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
ConditionsGoodModerateGoodExcellentExcellentPoorPoorPoorPoorPoorModerateModerate
Water temp (°C)272727272828282930292928
Visibility (m)203020302030203020301525152520302030203025352535
Marine lifeSteadySteadySteadySteadySteadySteadySteadySteadySteadySteadySteadySteady
Best timePeakPeakPeak
Excellent Good Moderate PoorPeak season Mar–May

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

The Barbados diving season

3 seasons

January to May · Peak season

5 months
Water temperature
2728 °C
Visibility
2030 m
Rain
10 days a month

Diving conditionsIt rains less. The wind is up.

June to October · Off season

5 months
Water temperature
2830 °C
Visibility
2030 m
Rain
18 days a month

Diving conditionsIt rains more.

November to December · Shoulder season

2 months
Water temperature
2829 °C
Visibility
2535 m
Rain
15 days a month

Diving conditionsRain is frequent topside.

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

Barbados water temperature and weather

162 underwater observation records · 21 surveyed years of ocean data · 10 years of sea temperature

Water & weather

Barbados 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

18
rough days a month

Seas top 1.5 m on 59% 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

14
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
January2.4 m0%12029 °C11.3 h
February2.4 m0%9029 °C11.6 h
March2.3 m0%10029 °C11.9 h
April2.1 m0%8030 °C12.3 h
May2.1 m0%9030 °C12.6 h
June2.3 m0%14130 °C12.8 h
July2.0 m1%19230 °C12.7 h
August1.7 m0%21230 °C12.4 h
September1.4 m1%19331 °C12.1 h
October2.0 m0%19330 °C11.7 h
November2.2 m0%18329 °C11.4 h
December2.4 m1%13129 °C11.2 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: GoodFebruary week 1: GoodMarch week 1: GoodApril week 1: GoodMay week 1: ExcellentJune week 1: ModerateJuly week 1: PoorAugust week 1: PoorSeptember week 1: PoorOctober week 1: PoorNovember week 1: GoodDecember week 1: Good
Week 2January week 2: ModerateFebruary week 2: PoorMarch week 2: ModerateApril week 2: ExcellentMay week 2: ExcellentJune week 2: ModerateJuly week 2: PoorAugust week 2: PoorSeptember week 2: PoorOctober week 2: PoorNovember week 2: ModerateDecember week 2: Good
Week 3January week 3: ModerateFebruary week 3: PoorMarch week 3: GoodApril week 3: ExcellentMay week 3: GoodJune week 3: PoorJuly week 3: PoorAugust week 3: PoorSeptember week 3: PoorOctober week 3: PoorNovember week 3: PoorDecember week 3: Poor
Week 4January week 4: ExcellentFebruary week 4: GoodMarch week 4: ExcellentApril week 4: ExcellentMay week 4: GoodJune week 4: PoorJuly week 4: ModerateAugust week 4: ModerateSeptember week 4: PoorOctober week 4: PoorNovember week 4: ModerateDecember week 4: Moderate
Excellent Good Moderate PoorBest week to go: first of May

May, week by week

WeekConditionsWaterSwellWindRain chance
Week 1Excellent28 °C1.7 m25 km/h27%
Week 2Excellent28 °C2.1 m26 km/h27%
Week 3Good28 °C2.2 m26 km/h29%
Week 4Good28 °C2.1 m25 km/h36%

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: skinMay: skinJune: skinJuly: skinAugust: skinSeptember: skinOctober: skinNovember: skinDecember: skin
  • Jan–Mar3 mm full suit
  • Apr–Decskin or 3 mm shorty

Swell through the year

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

JanJanuary: 2.4 metresFebFebruary: 2.4 metresMarMarch: 2.3 metresAprApril: 2.1 metresMayMay: 2.1 metresJunJune: 2.3 metresJulJuly: 2.0 metresAugAugust: 1.7 metresSepSeptember: 1.4 metresOctOctober: 2.0 metresNovNovember: 2.2 metresDecDecember: 2.4 metres

Amber is over 1.5 m.

Tides

springs 0.9 mneaps 0.4 mneapsone lunar month
Daily tidal range across one lunar month.

Tropical storms

7 of the last 30 Augusts saw a tropical storm pass within 250 km. Anything has been recorded Jun–Oct.

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: 4 of 30 yearsAugAugust: 7 of 30 yearsSepSeptember: 7 of 30 yearsOctOctober: 5 of 30 yearsNovNovember: 0 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

Barbados marine life — what you'll see diving

162 records within 60 km

Only 162 records have been logged within 60 km. A thin record is not an empty reef.

SpeciesWhenObserved windowReliabilityEvidenceRecords
Green turtleAll yearNear-guaranteed
19/21
99
Hawksbill turtleAll yearLikely
12/21
29
Southern stingrayAll yearLikely
8/21
18
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 Barbados — common questions

When is the best time to dive Barbados?
Dive it March to May, when the rain backs off — 9 wet days a month instead of 16. Too few records to show a wildlife season, so the weather picks the month.
When is the diving season in Barbados?
The diving season in Barbados runs March to May.
Is the diving in Barbados good for beginners?
Yes. It suits Open Water divers, so it works for a first trip after certification.
How warm is the water in Barbados?
Between 27 and 30 °C at the surface across the year, coldest in February and warmest in September. It runs cooler below the thermocline.
What wetsuit do I need in Barbados?
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 Barbados?
Roughly 15 to 35 m depending on the month. That is estimated from satellite chlorophyll-a rather than measured in the water.
What will I see diving Barbados?
The most consistently recorded species are Green turtle (near-guaranteed), Hawksbill turtle (likely) and Southern stingray (likely), from 162 records within 60 km.
Does Barbados get tropical storms?
Yes. Over 30 years of records a storm passed within 250 km in Jun–Oct, most often in August at 7 of 30 years.
Is there current in Barbados?
The tide rises and falls 0.8 m around the full and new moon, against 0.4 m in between. How much of that becomes current depends on the shape of the channel.
When should I avoid Barbados?
July–October are the weakest months for conditions.
How do you dive Barbados?
Mostly from day boats. Trips run through the season, Mar–May.