World sea water temperatures

Water temperature in Little Cayman

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This data the coastal Little Cayman sea water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.

Current sea temperature in Little Cayman

Water temperature in Little Cayman today is 31°C. Based on our historical data over a period of ten years, the warmest water in this day in the Caribbean Sea near Little Cayman was recorded in 2023 and was 30.8°C, and the coldest was recorded in 2014 at 29.4°C. Sea water temperature in Little Cayman is expected to drop to 30°C in the next 10 days. September average water temperature in Little Cayman is 30.1°C, the minimum temperature is 28.9°C, and the maximum is 31.4°C.

The swimming season in Little Cayman lasts from January to December, twelve months per year! During those months, Little Cayman water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Little Cayman in winter reaches 27.3°C, in spring 27.7°C, in summer the average temperature rises to 29.5°C, and in autumn it is 29.5°C.

Little Cayman water temperature now


5 September 2025
today temp
31°C
4 September 2025
yesterday temp
31°C


The sea salinity in Little Cayman is 36.04‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Little Cayman for today

Another important indicators for a comfortable holiday on the beach are the presence and height of the waves, as well as the speed and direction of the wind. Please find below data on the swell size for Little Cayman. We calculate the swell size based on the mean wave height (trough to crest) of each third highest wave. For more information on surf forecasts for the next ten days, please visit sea state forecast Little Cayman. Data in table shown for 6 September 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

0-3 h3-6 h6-9 h9-12 h
1' 6"1' 7"1' 10"2' 1"
0.45 m0.47 m0.56 m0.64 m
12-15 h15-18 h18-21 h21-24 h
2' 4"2' 5"2' 4"2' 3"
0.7 m0.73 m0.7 m0.69 m

Surf report in Little Cayman

Little Cayman wave height and direction

Little Cayman weather forecast

Little Cayman wind speed and direction

Current temperature and weather

Data in a table show Little Cayman temperature today (6 September 2025). For more information and forecast for a few days, go to the weather forecast Little Cayman.

0-3 h3-6 h6-9 h9-12 h
29.6°C29.6°C29.6°C29.7°C
12-15 h15-18 h18-21 h21-24 h
30.2°C29.9°C29.4°C29.5°C

You may also be interested in other sections of our site for Little Cayman: Sunrise and Sunset, Tides

Little Cayman water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Little Cayman. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Little Cayman on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve

MonthAvrMinMax
January27.2°C25.1°C28.4°Chot
Sea water temperature in Little Cayman in January
February26.9°C25.5°C27.7°Chot
Sea water temperature in Little Cayman in February
March27°C25.5°C28.2°Chot
Sea water temperature in Little Cayman in March
April27.6°C26.3°C29.1°Chot
Sea water temperature in Little Cayman in April
May28.4°C26.9°C30.3°Chot
Sea water temperature in Little Cayman in May
June28.9°C27.7°C30.3°Chot
Sea water temperature in Little Cayman in June
July29.6°C28.5°C31°Chot
Sea water temperature in Little Cayman in July
August30°C28.9°C31.5°Chot
Sea water temperature in Little Cayman in August
September30.1°C28.9°C31.4°Chot
Sea water temperature in Little Cayman in September
October29.7°C28.6°C31.5°Chot
Sea water temperature in Little Cayman in October
November28.8°C27.1°C29.9°Chot
Sea water temperature in Little Cayman in November
December27.8°C25.8°C29.1°Chot
Sea water temperature in Little Cayman in December

Chart monthly average water temperature in Little Cayman

Water temperature in Little Cayman

Where is the warmest sea water in the world?

If you want to plan a vacation on the beach and enjoy the warm sea, choose the day of the year, region and the minimum comfortable sea/ocean temperature that interests you. As a result, you will get a list of countries and cities in which the average sea temperature or maximum temperature on this day over the past 10 years exceeds your chosen value

Region
Date (day and month)
Water temperature: min 16°C
 Average temperature  Maximum temperature

Nearby beaches and cities

The nearest beaches and cities from Little Cayman with the water temperature today, as well as the air temperature and the state of the weather during the day and the average wave height for today

WaterWeatherWave
Cayman Brac30.9°C30°C0.57 m
East End30.9°C31°C0.61 m
North Side30.9°C31°C0.56 m
Bodden Town30.9°C31°C0.64 m
Seven Mile Beach30.9°C31°C0.52 m
West Bay30.9°C31°C0.53 m
Jardines de la Reina31.1°C30°C0.26 m
Negril30.9°C29°C0.6 m
Lucea30.4°C28°C0.3 m
Playa Ancon30.9°C28°C0.22 m

Little Cayman photo gallery

If you have interesting photos of this place, you can upload them here. Photos will be available to all users after verification by the moderator.

Other names for Little Cayman

Little Cayman Island

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[1] - The "Blue Flag" is awarded to beaches which fulfill a number of criteria, including: the quality of the bathing water, which must be in accordance with the relevant European Union Directive environmental education and information and beach area management and safety.

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Our report for Little Cayman is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

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