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7 Mile Beach water temperature
7 Mile Beach ratings
Quality on a good day: 1.0
Consistency of Surf: 1.0
Difficulty Level: 1.0
Crowds: 5.0

Overall: 2.4

See all 18 ratings

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7 Mile Beach Water Temperature and Wetsuit Guide

(Cayman-Islands – Grand Cayman)

Today's 7 Mile Beach sea temperature is 27.9 °C.

Statistics for 17 Jun (1981–2005) – mean: 28.3 °C, range: 27.8 °C to 29.0 °C

Sunny with very warm air temperatures, feeling like 28 °C once we account for any wind. Sea temperatures (27 °C) very warm too. Staying comfortable in the water at 7 Mile Beach won't be a problem, but wear at least a rash-vest to keep the UV off.

Cayman Islands Sea Water Temperature

Map of current Cayman Islands
Surface Water Temperatures
based on measurements from oceanographic satellites
Cayman Islands Water Temperature Anomaly

Map of current Cayman Islands
Sea Water Temperature Anomalies

(compared with long term averages
at this time of year)

(click thumbnails to expand)

Below is a graph of Historical Sea Surface Temperature for 7 Mile Beach. This has been derived from analysis of two decades of oceanographic satellite measurements of nearby open water. We have calculated the average water temperature variation around the year as well as the extremes that have been observed on each date.

7 Mile Beach Water Temperature Graph

All of the graphs for the surf breaks presented on are on the same scale to enable comparison between locations around the world.

7 Mile Beach sea water temperatures peak in the range 29 to 30°C (84 to 86°F) on around the 14th of August and are at their minimum on about the 6th of February, in the range 26 to 27°C (79 to 81°F). Year round warm sea water temperatures at 7 Mile Beach mean that a rash vest and board shorts should be fine for surfing at any time of year

Actual sea surface water temperatures close to shore at 7 Mile Beach can vary by several degrees compared with these open water averages. This is especially true after heavy rain, close to river mouths or after long periods of strong offshore winds. Offshore winds cause colder deep water to replace surface water that has been warmed by the sun. Air temperature, wind-chill and sunshine should also be considered before deciding on the kind of wetsuit needed to stay warm when surfing at 7 Mile Beach. Refer to our detailed weather forecasts for this information.