
The most detailed information about the water temperature in Grand-Case in The Caribbean (Sint Maarten). Forecast of changes in water temperature for the next 10 days. Statistics by months for recent years. Information about the neighboring resorts. Weather forecast in Grand-Case for a week.
Water temperature in Grand-Case right now
data updated 45 minutes ago77°F

yesterday: 78°F
a week ago: 77°F
Trend: slow drop
Today water temperature in Grand-Case is 77.7°F. It is the most comfortable swimming water in any body of water, especially on a hot day. This temperature range is recognized as the most optimal for prolonged bathing. In any case, the general weather is also important. So, the air temperature at the same time will reach 76°F.
Analysis and forecast
The water temperature today is slightly lower than the average on this day in recent years. Its value has rise over the last week, but has drop compared to 20 days ago. Exactly a year ago, on this day, the water temperature in this location was 80°F. Water temperature range in Grand-Case in February is from 77 to 82 degrees.
According to our forecast, in the coming days, the water temperature value in Grand-Case will slightly drop and in 10 days it will be 76°F.
Table of water temperature values in Grand-Case
Day | Fact* | Average** | Forecast*** |
Jan 28 | 26.1°C | 27.0°C | |
Jan 29 | 25.3°C | 27.3°C | |
Jan 30 | 26.1°C | 26.8°C | |
Jan 31 | 26.0°C | 26.8°C | |
Feb 1 | 25.3°C | 26.5°C | |
Feb 2 | 25.2°C | 26.8°C | |
Feb 3 | 25.8°C | 26.8°C | |
Feb 4 | 25.4°C | 27.0°C | |
Feb 5 | 26.5°C | 24.9°C | |
Feb 6 | 26.8°C | 25.2°C | |
Feb 7 | 27.3°C | 25.7°C | |
Feb 8 | 27.0°C | 25.4°C | |
Feb 9 | 26.3°C | 24.7°C | |
Feb 10 | 26.5°C | 24.9°C | |
Feb 11 | 27.3°C | 25.7°C |
** Average - Average water temperature on this day in past years
*** Forecast - Our forecast for the water temperature
Actual nearshore temperatures may vary by several degrees from the indicated values. This is noticeable after heavy rain or after prolonged periods of strong winds. Some downstream winds cause cold, deep waters to replace surface waters that have been warmed by the sun.
To develop a forecast, we use our own mathematical model, which takes into account the current change in water temperature, historical data and the main weather trends, wind strength and direction, air temperature in each specific region. We also take into account data for other resorts in Sint Maarten.

Annual graph of average water temperature change in Grand-Case

Water temperature in Grand-Case by month
Grand-Case located in the northern hemisphere, south of the northern tropic, at latitude 18 degrees. The swimming season in this location lasts all year round. Average annual water temperature on the coast in Grand-Case is 82°F, by the seasons: in winter 81°F, in spring 81°F, in summer 83°F, in autumn 84°F. Minimum water temperature (79°F) in Grand-Case it happens in March, maximum (86°F) in September.
You can find out detailed data on how the water temperature in Grand-Case changes in each specific month:
Grand-Case: general information and map
Neighboring cities and resorts
City | Water* | Distance** |
Anse Marcel | 77°C ![]() ![]() | 3km |
Marigot | 77°C ![]() ![]() | 5km |
Sandy Ground | 78°C ![]() ![]() | 7km |
Philipsburg | 79°C ![]() ![]() | 8km |
Guana Bay | 78°C ![]() ![]() | 8km |
Maho Beach | 77°C ![]() ![]() | 10km |
Sandy Ground | 77°C ![]() ![]() | 12km |
The Valley | 77°C ![]() ![]() | 12km |
Stoney Ground | 78°C ![]() ![]() | 13km |
Crocus Bay Beach | 78°C ![]() ![]() | 13km |
East End Village | 77°C ![]() ![]() | 16km |
Shoal Bay Village | 78°C ![]() ![]() | 17km |
** Straight line distance in kilometers

The warmest water today in Sint Maarten recorded in Philipsburg, its value is 78°F. Lowest - in Marigot, there water temperature now 77°F. Average water temperature in the country today - 77°F.
Water temperature data in Grand-Case and neighboring towns and resorts collected from various sources, using buoys, using satellite maps of sea, river and lake surfaces of the NOAA agency.
We use data from various local authorities in each specific location of the world to more accurately reflect temperature values.
The nearest airport is located in a 0 kilometers. This is Grand Case (CCE) airport. We have no information as to whether it is valid and what flights it receives or sends.
Grand-Case: weather forecast
The weather forecast is shown in local time in Grand-Case


humidity: 79%, clouds: 0%


humidity: 78%, clouds: 0%


humidity: 81%, clouds: 0%


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humidity: 81%, clouds: 2%


humidity: 80%, clouds: 1%


humidity: 79%, clouds: 13%


humidity: 77%, clouds: 5%


humidity: 76%, clouds: 3%


humidity: 74%, clouds: 33%


humidity: 78%, clouds: 23%


humidity: 80%, clouds: 6%


humidity: 81%, clouds: 10%


humidity: 80%, clouds: 31%


humidity: 79%, clouds: 21%


humidity: 81%, clouds: 7%


humidity: 78%, clouds: 20%


humidity: 78%, clouds: 23%
