Month-specific sea-surface temperature · Cuba

Cayo Coco Sea Temperature in October

29.9°C

85.8°F

In October, sea-surface temperature near Cayo Coco has a historical monthly average of 29.9°C. This is not the reading for any particular holiday date.

Across 2023–2025, the lowest and highest yearly October monthly means were 29.7–30.0°C. These are not daily extremes.

Previous month

September · 31.2°C

Change into October: -1.3°C

Next month

November · 27.3°C

Change into next month: -2.6°C

Can you swim or snorkel in Cayo Coco in October?

At 29.9°C our temperature-only guide describes the water as very warm water. Comfort depends on your cold tolerance, immersion time and wind. A historical average cannot determine whether conditions are safe on any given day.

Do you need a wetsuit?

Swimwear is usually enough; a rash guard adds sun protection.

Which beach should you choose?

Look for a beach sheltered from the actual forecast waves and wind on your visit. Exposure, currents and entry conditions vary even where water temperatures are similar. Follow local warnings.

Check the current waves, wind and snorkeling forecast →

A live forecast does not predict a future October. Check again close to your trip.

Cayo Coco Sea Temperature: All 12 Months

Choose a month for available historical evidence, month comparisons and swim guidance. Missing history is clearly marked and never presented as a long-term normal.

January 25.1°C February 24.8°C March 26.5°C April 27.2°C May 29.2°C June 30.0°C July 30.6°C August 31.1°C September 31.2°C October 29.9°C November 27.3°C December 25.8°C

Data source and limitations

Source: Open-Meteo Marine API, MeteoFrance sea-surface temperature; 2023–2025. Marine model grid near 22.51, -78.51. Based on 3 yearly monthly means and 2232 recorded samples. Source methodology.

Modelled sea-surface temperatures do not establish underwater visibility, wildlife, calm currents or safe entry.