Best Time to Dive in 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.
- Best time
- Jan–Feb
- Water
- 25–30 °C
- Visibility
- 0–15 m
- Season runs
- Feb–Jul
- Dived from
- day boat
- Tidal range
- 0.5–0.8 m
- Species logged
- 10
Where it is
111 km across · coastline from Natural Earth 10m
Diving in Bimini, Bahamas — 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 | Excellent | Excellent | Good | Poor | Poor | Poor | Poor | Poor | Moderate | Poor | Moderate | Poor |
| Water temp (°C) | 25 | 25 | 26 | 26 | 28 | 29 | 30 | 30 | 30 | 29 | 27 | 26 |
| Visibility (m) | 5–15 | 5–15 | 5–15 | 5–15 | 5–15 | 5–15 | 0–10 | 0–10 | 5–15 | 5–15 | 5–15 | 5–15 |
| Marine life | Busy | Busy | Steady | Steady | Steady | Steady | Steady | Steady | Steady | Steady | Steady | Steady |
| Best time | 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 Bimini, Bahamas diving season
January to March · Peak season
3 months- Water temperature
- 25–26 °C
- Visibility
- 5–15 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
- 26–30 °C
- Visibility
- 5–15 m
- Rain
- 16 days a month
Diving conditionsIt rains more. The sea is calmer.
November · Shoulder season
1 month- Water temperature
- 27–27 °C
- Visibility
- 5–15 m
- Rain
- 9 days a month
Diving conditionsThe sea is rougher. The wind is up.
December · Off season
1 month- Water temperature
- 26–26 °C
- Visibility
- 5–15 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.
10th to 90th percentile rangemonthly mean
Seas top 1.5 m on 7% of days. Enough to cancel a day boat
Gusts over 40 km/h, about where a day boat stays in port
3 of them bring heavy rain
| Month | Swell | Gusts over 40 km/h | Wet days | Heavy rain | Air | Daylight |
|---|---|---|---|---|---|---|
| January | 1.8 m | 19% | 9 | 2 | 24 °C | 10.6 h |
| February | 1.4 m | 15% | 7 | 1 | 24 °C | 11.1 h |
| March | 1.5 m | 14% | 7 | 1 | 24 °C | 11.8 h |
| April | 1.2 m | 6% | 9 | 1 | 26 °C | 12.6 h |
| May | 0.9 m | 5% | 12 | 3 | 27 °C | 13.3 h |
| June | 1.0 m | 1% | 18 | 4 | 29 °C | 13.6 h |
| July | 0.7 m | 0% | 17 | 3 | 30 °C | 13.5 h |
| August | 0.8 m | 2% | 19 | 3 | 30 °C | 12.9 h |
| September | 1.1 m | 7% | 18 | 5 | 29 °C | 12.1 h |
| October | 1.4 m | 10% | 17 | 4 | 28 °C | 11.4 h |
| November | 1.6 m | 13% | 9 | 2 | 26 °C | 10.7 h |
| December | 1.6 m | 17% | 8 | 3 | 25 °C | 10.4 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.
| Week 1 | January week 1: Good | February week 1: Good | March week 1: Moderate | April week 1: Poor | May week 1: Poor | June week 1: Moderate | July week 1: Poor | August week 1: Poor | September week 1: Moderate | October week 1: Moderate | November week 1: Moderate | December week 1: Poor |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Week 2 | January week 2: Good | February week 2: Good | March week 2: Good | April week 2: Poor | May week 2: Poor | June week 2: Moderate | July week 2: Poor | August week 2: Poor | September week 2: Poor | October week 2: Moderate | November week 2: Moderate | December week 2: Poor |
| Week 3 | January week 3: Good | February week 3: Good | March week 3: Moderate | April week 3: Poor | May week 3: Moderate | June week 3: Poor | July week 3: Moderate | August week 3: Poor | September week 3: Poor | October week 3: Moderate | November week 3: Moderate | December week 3: Moderate |
| Week 4 | January week 4: Good | February week 4: Good | March week 4: Good | April week 4: Poor | May week 4: Poor | June week 4: Poor | July week 4: Moderate | August week 4: Poor | September week 4: Moderate | October week 4: Poor | November week 4: Good | December week 4: Poor |
January, week by week
| Week | Conditions | Water | Swell | Wind | Rain chance |
|---|---|---|---|---|---|
| Week 1 | Good | 26 °C | 1.4 m | 30 km/h | 27% |
| Week 2 | Good | 25 °C | 1.8 m | 32 km/h | 31% |
| Week 3 | Good | 25 °C | 1.8 m | 32 km/h | 30% |
| Week 4 | Good | 25 °C | 1.8 m | 30 km/h | 26% |
February, week by week
| Week | Conditions | Water | Swell | Wind | Rain chance |
|---|---|---|---|---|---|
| Week 1 | Good | 25 °C | 1.7 m | 28 km/h | 20% |
| Week 2 | Good | 25 °C | 1.6 m | 29 km/h | 21% |
| Week 3 | Good | 25 °C | 1.5 m | 31 km/h | 27% |
| Week 4 | Good | 26 °C | 1.4 m | 30 km/h | 25% |
March, week by week
| Week | Conditions | Water | Swell | Wind | Rain chance |
|---|---|---|---|---|---|
| Week 1 | Moderate | 26 °C | 1.3 m | 29 km/h | 22% |
| Week 2 | Good | 26 °C | 1.4 m | 31 km/h | 23% |
| Week 3 | Moderate | 26 °C | 1.7 m | 29 km/h | 22% |
| Week 4 | Good | 26 °C | 1.6 m | 29 km/h | 23% |
April, week by week
| Week | Conditions | Water | Swell | Wind | Rain chance |
|---|---|---|---|---|---|
| Week 1 | Poor | 26 °C | 1.4 m | 29 km/h | 25% |
| Week 2 | Poor | 26 °C | 1.2 m | 29 km/h | 28% |
| Week 3 | Poor | 26 °C | 1.3 m | 29 km/h | 31% |
| Week 4 | Poor | 27 °C | 1.2 m | 29 km/h | 32% |
May, week by week
| Week | Conditions | Water | Swell | Wind | Rain chance |
|---|---|---|---|---|---|
| Week 1 | Poor | 27 °C | 1.1 m | 28 km/h | 33% |
| Week 2 | Poor | 27 °C | 1.0 m | 27 km/h | 38% |
| Week 3 | Moderate | 28 °C | 0.9 m | 27 km/h | 42% |
| Week 4 | Poor | 28 °C | 0.9 m | 25 km/h | 40% |
June, week by week
| Week | Conditions | Water | Swell | Wind | Rain chance |
|---|---|---|---|---|---|
| Week 1 | Moderate | 28 °C | 1.1 m | 25 km/h | 52% |
| Week 2 | Moderate | 29 °C | 1.0 m | 25 km/h | 62% |
| Week 3 | Poor | 29 °C | 0.9 m | 24 km/h | 58% |
| Week 4 | Poor | 29 °C | 0.7 m | 23 km/h | 56% |
July, week by week
| Week | Conditions | Water | Swell | Wind | Rain chance |
|---|---|---|---|---|---|
| Week 1 | Poor | 30 °C | 0.7 m | 22 km/h | 52% |
| Week 2 | Poor | 30 °C | 0.7 m | 23 km/h | 52% |
| Week 3 | Moderate | 30 °C | 0.7 m | 24 km/h | 60% |
| Week 4 | Moderate | 30 °C | 0.7 m | 23 km/h | 57% |
August, week by week
| Week | Conditions | Water | Swell | Wind | Rain chance |
|---|---|---|---|---|---|
| Week 1 | Poor | 30 °C | 0.8 m | 23 km/h | 57% |
| Week 2 | Poor | 30 °C | 0.8 m | 22 km/h | 54% |
| Week 3 | Poor | 30 °C | 0.8 m | 23 km/h | 54% |
| Week 4 | Poor | 30 °C | 0.9 m | 25 km/h | 67% |
September, week by week
| Week | Conditions | Water | Swell | Wind | Rain chance |
|---|---|---|---|---|---|
| Week 1 | Moderate | 30 °C | 1.0 m | 23 km/h | 65% |
| Week 2 | Poor | 30 °C | 0.8 m | 21 km/h | 58% |
| Week 3 | Poor | 30 °C | 0.9 m | 21 km/h | 62% |
| Week 4 | Moderate | 30 °C | 1.5 m | 24 km/h | 64% |
October, week by week
| Week | Conditions | Water | Swell | Wind | Rain chance |
|---|---|---|---|---|---|
| Week 1 | Moderate | 29 °C | 1.7 m | 27 km/h | 64% |
| Week 2 | Moderate | 29 °C | 1.5 m | 27 km/h | 62% |
| Week 3 | Moderate | 29 °C | 1.5 m | 29 km/h | 50% |
| Week 4 | Poor | 28 °C | 1.4 m | 31 km/h | 39% |
November, week by week
| Week | Conditions | Water | Swell | Wind | Rain chance |
|---|---|---|---|---|---|
| Week 1 | Moderate | 28 °C | 1.6 m | 31 km/h | 34% |
| Week 2 | Moderate | 28 °C | 1.9 m | 30 km/h | 35% |
| Week 3 | Moderate | 27 °C | 1.7 m | 28 km/h | 33% |
| Week 4 | Good | 27 °C | 1.5 m | 27 km/h | 25% |
December, week by week
| Week | Conditions | Water | Swell | Wind | Rain chance |
|---|---|---|---|---|---|
| Week 1 | Poor | 27 °C | 1.5 m | 27 km/h | 19% |
| Week 2 | Poor | 27 °C | 2.0 m | 29 km/h | 26% |
| Week 3 | Moderate | 26 °C | 2.0 m | 30 km/h | 31% |
| Week 4 | Poor | 26 °C | 1.3 m | 29 km/h | 25% |
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: 3 mm | February: 3 mm | March: 3 mm | April: 3 mm | May: 3 mm | June: skin | July: skin | August: skin | September: skin | October: skin | November: 3 mm | December: 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.
Amber is over 1.5 m.
Tides
Tropical storms
8 of the last 30 Septembers saw a tropical storm pass within 250 km. Anything has been recorded Jul–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
Bimini, Bahamas marine life — what you'll see diving
| Species | When | Observed window | Reliability | Evidence | Records |
|---|---|---|---|---|---|
| Nurse shark | All year | Likely | 40 | ||
| Southern stingray | All year | Likely | 50 | ||
| Bull shark | All year | Likely | 25 | ||
| Great hammerhead | Jan–Feb | Likely | 22 | ||
| Yellowfin tuna | All year | Hit-or-miss | 75 | ||
| Loggerhead turtle | Jul, Sep | Likely | 14 | ||
| Silky shark | Dec | Hit-or-miss | 11 | ||
| Green turtle | Jun, Aug–Sep | Hit-or-miss | 8 | ||
| Lemon shark | May, Aug, Oct | Hit-or-miss | 13 | ||
| Bottlenose dolphin | May, Aug | Hit-or-miss | 8 |
- 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.