INSTRUMENT / SEA TEMPERATURE
Cayo Coco Water Temperature
Updated Mon 13:52 (America/Havana)
Cuba · Forecast updated Nov 9, 2026, 13:52 UTC
Current Sea Temperature
28.9°C
84.0°F
Very warm water
Valid Nov 9, 2026, 13:52 (America/Havana). Source: stored Open-Meteo marine forecast. Temperature is not a safety rating or snorkel score.
Versus this month's average
1.6°C above
The typical November average is 27.3°C (81.1°F) from the historical baseline.
Recent trend
Holding fairly steady
Seven-day average: 29.3°C, versus 29.3°C in the prior seven days.
What to wear
Very warm water
Swimwear is usually enough; a rash guard adds sun protection.
Cold tolerance varies. Wind, session length, sunshine, and exertion also affect comfort; temperature alone does not describe sea conditions or replace the snorkel forecast.
Typical Sea Temperature Over the Year
In the historical baseline for Cayo Coco, typical monthly averages range from about 24.8°C (76.6°F) in February to 31.2°C (88.2°F) in September.
Over the past 30 days, the average sea temperature in Cayo Coco has been 29.6°C.
Historical baseline (full year)
Northern Hemisphere. Summer is generally June–August; winter is December–February.
Typical monthly sea-surface temperature near Cayo Coco, calculated from hourly observations for 2023–2025. This is not this site's forecast archive.
| Month | Typical range | Average |
|---|---|---|
| January | 24.5–25.6°C | 25.1°C / 77.2°F |
| February | 24.1–25.5°C | 24.8°C / 76.6°F |
| March | 26.5–26.6°C | 26.5°C / 79.7°F |
| April | 26.7–28.1°C | 27.2°C / 81.0°F |
| May | 28.4–30.0°C | 29.2°C / 84.6°F |
| June | 29.4–30.4°C | 30.0°C / 86.0°F |
| July | 30.0–31.2°C | 30.6°C / 87.1°F |
| August | 31.0–31.3°C | 31.1°C / 88.0°F |
| September | 31.0–31.5°C | 31.2°C / 88.2°F |
| October | 29.7–30.0°C | 29.9°C / 85.8°F |
| November | 27.1–27.6°C | 27.3°C / 81.1°F |
| December | 25.4–26.4°C | 25.8°C / 78.4°F |
Source: Open-Meteo Marine API, MeteoFrance sea-surface temperature dataset. Nearest sea grid cell (22.54, -78.54). Each month is the mean of yearly monthly means; the range is the lowest and highest of those yearly monthly means. Open-Meteo methodology.
Water temperature by month
Each month uses the 2023–2025 baseline. The range is the lowest and highest yearly monthly mean, not an hourly extreme.
Cayo Coco in January
Typical January water temperature near Cayo Coco is 25.1°C (77.2°F), with yearly monthly means from 24.5–25.6°C.
Swimming and snorkeling: warm water. Most people are comfortable in swimwear or a light rash guard.
Adjacent months: December 25.8°C · February 24.8°C.
Explore Cayo Coco sea temperature in January, including swim comfort and month comparisons →
Cayo Coco in February
Typical February water temperature near Cayo Coco is 24.8°C (76.6°F), with yearly monthly means from 24.1–25.5°C.
Swimming and snorkeling: mild water. A rash guard is useful; cold-sensitive snorkelers may prefer a shorty wetsuit.
Adjacent months: January 25.1°C · March 26.5°C.
Explore Cayo Coco sea temperature in February, including swim comfort and month comparisons →
Cayo Coco in March
Typical March water temperature near Cayo Coco is 26.5°C (79.7°F), with yearly monthly means from 26.5–26.6°C.
Swimming and snorkeling: warm water. Most people are comfortable in swimwear or a light rash guard.
Adjacent months: February 24.8°C · April 27.2°C.
Explore Cayo Coco sea temperature in March, including swim comfort and month comparisons →
Cayo Coco in April
Typical April water temperature near Cayo Coco is 27.2°C (81.0°F), with yearly monthly means from 26.7–28.1°C.
Swimming and snorkeling: warm water. Most people are comfortable in swimwear or a light rash guard.
Adjacent months: March 26.5°C · May 29.2°C.
Explore Cayo Coco sea temperature in April, including swim comfort and month comparisons →
Cayo Coco in May
Typical May water temperature near Cayo Coco is 29.2°C (84.6°F), with yearly monthly means from 28.4–30.0°C.
Swimming and snorkeling: very warm water. Swimwear is usually enough; a rash guard adds sun protection.
Adjacent months: April 27.2°C · June 30.0°C.
Explore Cayo Coco sea temperature in May, including swim comfort and month comparisons →
Cayo Coco in June
Typical June water temperature near Cayo Coco is 30.0°C (86.0°F), with yearly monthly means from 29.4–30.4°C.
Swimming and snorkeling: very warm water. Swimwear is usually enough; a rash guard adds sun protection.
Adjacent months: May 29.2°C · July 30.6°C.
Explore Cayo Coco sea temperature in June, including swim comfort and month comparisons →
Cayo Coco in July
Typical July water temperature near Cayo Coco is 30.6°C (87.1°F), with yearly monthly means from 30.0–31.2°C.
Swimming and snorkeling: very warm water. Swimwear is usually enough; a rash guard adds sun protection.
Adjacent months: June 30.0°C · August 31.1°C.
Explore Cayo Coco sea temperature in July, including swim comfort and month comparisons →
Cayo Coco in August
Typical August water temperature near Cayo Coco is 31.1°C (88.0°F), with yearly monthly means from 31.0–31.3°C.
Swimming and snorkeling: very warm water. Swimwear is usually enough; a rash guard adds sun protection.
Adjacent months: July 30.6°C · September 31.2°C.
Explore Cayo Coco sea temperature in August, including swim comfort and month comparisons →
Cayo Coco in September
Typical September water temperature near Cayo Coco is 31.2°C (88.2°F), with yearly monthly means from 31.0–31.5°C.
Swimming and snorkeling: very warm water. Swimwear is usually enough; a rash guard adds sun protection.
Adjacent months: August 31.1°C · October 29.9°C.
Explore Cayo Coco sea temperature in September, including swim comfort and month comparisons →
Cayo Coco in October
Typical October water temperature near Cayo Coco is 29.9°C (85.8°F), with yearly monthly means from 29.7–30.0°C.
Swimming and snorkeling: very warm water. Swimwear is usually enough; a rash guard adds sun protection.
Adjacent months: September 31.2°C · November 27.3°C.
Explore Cayo Coco sea temperature in October, including swim comfort and month comparisons →
Cayo Coco in November
Typical November water temperature near Cayo Coco is 27.3°C (81.1°F), with yearly monthly means from 27.1–27.6°C.
Swimming and snorkeling: warm water. Most people are comfortable in swimwear or a light rash guard.
Adjacent months: October 29.9°C · December 25.8°C.
Explore Cayo Coco sea temperature in November, including swim comfort and month comparisons →
Cayo Coco in December
Typical December water temperature near Cayo Coco is 25.8°C (78.4°F), with yearly monthly means from 25.4–26.4°C.
Swimming and snorkeling: warm water. Most people are comfortable in swimwear or a light rash guard.
Adjacent months: November 27.3°C · January 25.1°C.
Explore Cayo Coco sea temperature in December, including swim comfort and month comparisons →
Forecast archive (growing)
These values come from hourly forecasts SnorkelForecast has stored. They cover only months with records and do not replace the historical baseline.
| Month | Min | Average | Max |
|---|---|---|---|
| June | 30.0°C / 86.0°F | 30.8°C / 87.5°F | 31.9°C / 89.4°F |
| July | 29.7°C / 85.5°F | 30.8°C / 87.4°F | 32.5°C / 90.5°F |
| August | 30.1°C / 86.2°F | 31.0°C / 87.9°F | 32.4°C / 90.3°F |
| September | 30.2°C / 86.4°F | 31.2°C / 88.2°F | 32.4°C / 90.3°F |
| October | 28.7°C / 83.7°F | 29.9°C / 85.9°F | 30.8°C / 87.4°F |
| November | 28.6°C / 83.5°F | 29.2°C / 84.6°F | 29.8°C / 85.6°F |
Partial coverage: 6 calendar months with records. Profile calculated from 3886 hourly forecast records across 6 monthly periods. This is a growing archive, not a long-term climate normal.
About the water at Cayo Coco
Cay on Cuba's northern reef with calm, clear turquoise shallows.
- Area
- Ciego de Ávila
Cayo Coco Water Temperature: Common Questions
What is the water temperature in Cayo Coco today?
The current sea surface temperature near Cayo Coco is 28.9°C (84.0°F). Over the last 30 days, the average has been 29.6°C.
When is the water warmest in Cayo Coco?
The water is typically warmest in September, at around 31.2°C (88.2°F) in the 2023–2025 historical baseline.
When is the water coldest in Cayo Coco?
The water is typically coldest in February, at around 24.8°C (76.6°F) in the same historical baseline.
Can you swim in Cayo Coco today?
At 28.9°C, the water is usually comfortable for swimming and snorkeling.
Full Snorkeling Forecast
See how today's sea temperature, wave height, wind, and tides combine into a detailed snorkeling score for Cayo Coco.
View Snorkel Forecast →