Bahamas · Bimini

Best Time to Dive in Bimini, Bahamas

25.73°N 79.31°W

Go January to February for great hammerhead. The calmest water is March to July, outside their window. The wider season runs February to July.

Best time
Jan–Feb
Water
2530 °C
Visibility
015 m
Season runs
Feb–Jul
Dived from
day boat
Tidal range
0.50.8 m
Species logged
10

Where it is

Bahamas
25 kmN

111 km across · coastline from Natural Earth 10m

Diving in Bimini, Bahamas — 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
ConditionsExcellentExcellentGoodPoorPoorPoorPoorPoorModeratePoorModeratePoor
Water temp (°C)252526262829303030292726
Visibility (m)515515515515515515010010515515515515
Marine lifeBusyBusySteadySteadySteadySteadySteadySteadySteadySteadySteadySteady
Best timePeakPeak
Excellent Good Moderate PoorPeak season Jan–Feb

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

The Bimini, Bahamas diving season

4 seasons

January to March · Peak season

3 months
Water temperature
2526 °C
Visibility
515 m
Rain
7 days a month

Diving conditionsThe sea is rougher. The wind is up.

Marine lifeGreat hammerhead (likely) peaks at Bimini, Bahamas in these months.

April to October · Off season

7 months
Water temperature
2630 °C
Visibility
515 m
Rain
16 days a month

Diving conditionsIt rains more. The sea is calmer.

November · Shoulder season

1 month
Water temperature
2727 °C
Visibility
515 m
Rain
9 days a month

Diving conditionsThe sea is rougher. The wind is up.

December · Off season

1 month
Water temperature
2626 °C
Visibility
515 m
Rain
8 days a month

Diving conditionsThe sea is rougher. It rains less.

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

Bahamas water temperature and weather

325 underwater observation records · 29 surveyed years of ocean data · 10 years of sea temperature

Water & weather

Bimini, Bahamas water temperature by month

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

2426283032JanFebMarAprMayJunJulAugSepOctNovDecSea temperature (°C)

10th to 90th percentile rangemonthly mean

2
rough days a month

Seas top 1.5 m on 7% 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

12
wet days a month

3 of them bring heavy rain

Monthly sea state, wind, rain, air temperature and daylight
MonthSwellGusts over 40 km/hWet daysHeavy rainAirDaylight
January1.8 m19%9224 °C10.6 h
February1.4 m15%7124 °C11.1 h
March1.5 m14%7124 °C11.8 h
April1.2 m6%9126 °C12.6 h
May0.9 m5%12327 °C13.3 h
June1.0 m1%18429 °C13.6 h
July0.7 m0%17330 °C13.5 h
August0.8 m2%19330 °C12.9 h
September1.1 m7%18529 °C12.1 h
October1.4 m10%17428 °C11.4 h
November1.6 m13%9226 °C10.7 h
December1.6 m17%8325 °C10.4 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: ModerateApril week 1: PoorMay week 1: PoorJune week 1: ModerateJuly week 1: PoorAugust week 1: PoorSeptember week 1: ModerateOctober week 1: ModerateNovember week 1: ModerateDecember week 1: Poor
Week 2January week 2: GoodFebruary week 2: GoodMarch week 2: GoodApril week 2: PoorMay week 2: PoorJune week 2: ModerateJuly week 2: PoorAugust week 2: PoorSeptember week 2: PoorOctober week 2: ModerateNovember week 2: ModerateDecember week 2: Poor
Week 3January week 3: GoodFebruary week 3: GoodMarch week 3: ModerateApril week 3: PoorMay week 3: ModerateJune week 3: PoorJuly week 3: ModerateAugust week 3: PoorSeptember week 3: PoorOctober week 3: ModerateNovember week 3: ModerateDecember week 3: Moderate
Week 4January week 4: GoodFebruary week 4: GoodMarch week 4: GoodApril week 4: PoorMay week 4: PoorJune week 4: PoorJuly week 4: ModerateAugust week 4: PoorSeptember week 4: ModerateOctober week 4: PoorNovember week 4: GoodDecember week 4: Poor
Excellent Good Moderate PoorBest week to go: first of January

January, week by week

WeekConditionsWaterSwellWindRain chance
Week 1Good26 °C1.4 m30 km/h27%
Week 2Good25 °C1.8 m32 km/h31%
Week 3Good25 °C1.8 m32 km/h30%
Week 4Good25 °C1.8 m30 km/h26%

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: 3 mmDecember: 3 mm
  • Nov–May3 mm full suit
  • Jun–Octskin or 3 mm shorty

Swell through the year

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

JanJanuary: 1.8 metresFebFebruary: 1.4 metresMarMarch: 1.5 metresAprApril: 1.2 metresMayMay: 0.9 metresJunJune: 1.0 metresJulJuly: 0.7 metresAugAugust: 0.8 metresSepSeptember: 1.1 metresOctOctober: 1.4 metresNovNovember: 1.6 metresDecDecember: 1.6 metres

Amber is over 1.5 m.

Tides

springs 0.9 mneaps 0.5 mneapsone lunar month
Daily tidal range across one lunar month.

Tropical storms

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

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: 3 of 30 yearsAugAugust: 5 of 30 yearsSepSeptember: 8 of 30 yearsOctOctober: 4 of 30 yearsNovNovember: 5 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

Bimini, Bahamas marine life — what you'll see diving

325 records within 60 km
SpeciesWhenObserved windowReliabilityEvidenceRecords
Nurse sharkAll yearLikely
13/29
40
Southern stingrayAll yearLikely
12/29
50
Bull sharkAll yearLikely
9/29
25
Great hammerheadJan–FebLikely
9/29
22
Yellowfin tunaAll yearHit-or-miss
5/29
75
Loggerhead turtleJul, SepLikely
11/29
14
Silky sharkDecHit-or-miss
2/29
11
Green turtleJun, Aug–SepHit-or-miss
5/29
8
Lemon sharkMay, Aug, OctHit-or-miss
6/29
13
Bottlenose dolphinMay, AugHit-or-miss
4/29
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 Bimini, Bahamas — common questions

When is the best time to dive Bimini, Bahamas?
Go January to February for great hammerhead. The calmest water is March to July, outside their window. The wider season runs February to July.
When is the diving season in Bimini, Bahamas?
Conditions are good February to July, but most divers come January to February for the marine life.
Is the diving in Bimini, Bahamas good for beginners?
It is better with some experience. It suits Advanced Open Water divers or equivalent, so newer divers should ask the local operator which sites fit their level.
How warm is the water in Bimini, Bahamas?
Between 25 and 30 °C at the surface across the year, coldest in January and warmest in August. It runs cooler below the thermocline.
What wetsuit do I need in Bimini, Bahamas?
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 Bimini, Bahamas?
Roughly 0 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 Bimini, Bahamas?
The most consistently recorded species are Nurse shark (likely), Southern stingray (likely) and Bull shark (likely), from 325 records within 60 km.
Does Bimini, Bahamas get tropical storms?
Yes. Over 30 years of records a storm passed within 250 km in Jul–Nov, most often in September at 8 of 30 years.
Is there current in Bimini, Bahamas?
The tide rises and falls 0.8 m around the full and new moon, against 0.5 m in between. How much of that becomes current depends on the shape of the channel.
When should I avoid Bimini, Bahamas?
April–August, October, December are the weakest months for conditions.
How do you dive Bimini, Bahamas?
Mostly from day boats. Trips run through the season, Feb–Jul.

Elsewhere in the Bahamas

4 other sites