Search for cities, countries, lakes and rivers
Grand-Case
Water Temperature in the Caribbean Sea in Grand-Case, Sint Maarten: Current, Historical Data and Forecast
On this page, you will find comprehensive information about the sea temperature in Grand-Case in Sint Maarten, including current readings, historical data and trends, monthly averages, as well as weather forecasts and upcoming temperature predictions. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.
Current Water Temperature in Grand-Case
80°F
TODAY
79°F
YESTERDAY
79°F
A WEEK AGO
Analysis, Historical Data, and Forecast of Water Temperature
Today sea water temperature in the Caribbean Sea in Grand-Case is 26°F. This is very warm water, allowing for extended stays without any discomfort. Swimming in these conditions will be particularly enjoyable, making it the ideal temperature range for those who want to relax in the sea. Additionally, water in this temperature range is suitable for children and elderly people, as it is comfortable for prolonged stays.
It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.
Water Temperature Chart for Caribbean Sea in Grand-Case Over the Last 30 Days
The water temperature in Grand-Case today is lower than both a week ago and a month ago. Today's sea temperature is generally in line with historical values for this day.
According to our forecast, the sea temperature in Grand-Case will remain nearly unchanged in the coming days, its value will be 80°F.
Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.
Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts across Sint Maarten to enhance accuracy.
Water temperature data for Grand-Case and nearby towns and resorts is gathered from various sources, including buoys and satellite sea and ocean surface maps provided by the NOAA agency. We also incorporate data from local authorities in each specific location worldwide to ensure more accurate temperature readings.
Table of Daily Sea Temperature Data
Date | Current | Average | Forecast |
---|---|---|---|
Feb 27 | 79°F | 80°F | |
Feb 28 | 80°F | 80°F | |
Mar 1 | 79°F | 80°F | |
Mar 2 | 80°F | 79°F | |
Mar 3 | 80°F | 80°F | |
Mar 4 | 79°F | 81°F | |
Mar 5 | 79°F | 78°F | |
Mar 6 | 79°F | 81°F | |
Mar 7 | 80°F | 80°F | |
Mar 8 | 80°F | 80°F | |
Mar 9 | 80°F | 80°F | |
Mar 10 | 81°F | 80°F | |
Mar 11 | 80°F | 80°F | |
Mar 12 | 80°F | 80°F | |
Mar 13 | 81°F | 80°F | |
Mar 14 | 79°F | 80°F |
Sea Temperature in Grand-Case Throughout the Year
Throughout the year, the sea temperature in Grand-Case is always above 64°F (18°C), the sea temperature exceeds 72°F (22°C) for 366 days, and exceeds 77°F (25°C) for 366 days.
Below is the annual chart of sea temperature changes in the Caribbean Sea in Grand-Case.

January
Minimum | Average | Maximum |
---|---|---|
77°F | 80°F | 82°F |
February
Minimum | Average | Maximum |
---|---|---|
75°F | 79°F | 82°F |
March
Minimum | Average | Maximum |
---|---|---|
75°F | 79°F | 82°F |
April
Minimum | Average | Maximum |
---|---|---|
77°F | 81°F | 84°F |
May
Minimum | Average | Maximum |
---|---|---|
79°F | 82°F | 86°F |
June
Minimum | Average | Maximum |
---|---|---|
79°F | 82°F | 86°F |
July
Minimum | Average | Maximum |
---|---|---|
81°F | 83°F | 86°F |
August
Minimum | Average | Maximum |
---|---|---|
77°F | 82°F | 86°F |
September
Minimum | Average | Maximum |
---|---|---|
82°F | 85°F | 88°F |
October
Minimum | Average | Maximum |
---|---|---|
81°F | 84°F | 88°F |
November
Minimum | Average | Maximum |
---|---|---|
81°F | 83°F | 86°F |
December
Minimum | Average | Maximum |
---|---|---|
79°F | 82°F | 84°F |
Monthly Water Temperature Histogram for Caribbean Sea in Grand-Case
You can explore detailed data on how the water temperature in Grand-Case varies each month:
What Beaches Are There In and Around Grand-Case?
Grand Case Beach
Grand Case Beach is a 5-stars sandy beach, is located directly in Grand-Case. There is parking. There are restrooms. There are cafés. Grand Case Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Grand Case Beach
Grand Case Beach is a 4-stars sandy beach, is located directly in Grand-Case. There is parking. There are restrooms. There are cafés. Snorkeling is possible. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Happy Bay Beach
Happy Bay Beach is a 3-stars sandy beach, located in a 2 km (1 miles) radius of Grand-Case. For those who prefer clothing-optional beaches, Happy Bay Beach is a designated nudist beach. There are restrooms. Snorkeling is possible. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Happy Bay Beach
Happy Bay Beach is a 3-stars sandy beach, located in a 2 km (1 miles) radius of Grand-Case. For those who prefer clothing-optional beaches, Happy Bay Beach is a designated nudist beach. Happy Bay Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Friar's Bay
Friar's Bay is a 4-stars sandy beach, located in a 2 km (1 miles) radius of Grand-Case. There is parking. There are restrooms. There are cafés. Snorkeling is possible. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Duck's Beach
Duck's Beach is a 3-stars sandy beach, located in a 2 km (1 miles) radius of Grand-Case. For those who prefer clothing-optional beaches, Duck's Beach is a designated nudist beach. Snorkeling is possible. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Anse Marcel Beach
Anse Marcel Beach is a 5-stars sandy beach, located in a 2 km (1 miles) radius of Grand-Case. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. Anse Marcel Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Lovers' Beach
Lovers' Beach is a 3-stars sandy beach, located in a 3 km (2 miles) radius of Grand-Case. For those who prefer clothing-optional beaches, Lovers' Beach is a designated nudist beach. Lovers' Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Friars' Bay Beach
Friars' Bay Beach is a 4-stars sandy beach, located in a 3 km (2 miles) radius of Grand-Case. There is parking. There are restrooms. There are cafés. Friars' Bay Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Lovers Beach
Lovers Beach is a 3-stars sandy beach, located in a 4 km (2 miles) radius of Grand-Case. There is parking. Lovers Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Orient Bay Beach
Orient Bay Beach is a 5-stars sandy beach, located in a 4 km (2 miles) radius of Grand-Case. For those who prefer clothing-optional beaches, Orient Bay Beach is a designated nudist beach. There is parking. There are restrooms. There are cafés. Orient Bay Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Pinel Island
Pinel Island is a 5-stars sandy beach, located in a 4 km (2 miles) radius of Grand-Case. There are lifeguards on the beach. For those who prefer clothing-optional beaches, Pinel Island is a designated nudist beach. There are restrooms. There are cafés. Snorkeling is possible. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Maho Beach
Maho Beach is a 4-stars sandy beach, located in a 4 km (2 miles) radius of Grand-Case. There is parking. There are restrooms. There are cafés. Snorkeling is possible. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Pinel Island
Pinel Island is a 4-stars sandy beach, located in a 4 km (2 miles) radius of Grand-Case. For those who prefer clothing-optional beaches, Pinel Island is a designated nudist beach. There are restrooms. There are cafés. Snorkeling is possible. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Galisbay Beach
Galisbay Beach is a 4-stars sandy beach, located in a 4 km (2 miles) radius of Grand-Case. There is parking. There are restrooms. There are cafés. Galisbay Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Little Cayes
Little Cayes is a 3-stars sandy beach, located in a 4 km (2 miles) radius of Grand-Case. For those who prefer clothing-optional beaches, Little Cayes is a designated nudist beach. Snorkeling is possible. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Orient Bay Beach
Orient Bay Beach is a 5-stars sandy beach, located in a 4 km (2 miles) radius of Grand-Case. There are lifeguards on the beach. For those who prefer clothing-optional beaches, Orient Bay Beach is a designated nudist beach. There is parking. There are restrooms. There are cafés. Orient Bay Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Grandes Cayes
Grandes Cayes is a 3-stars sandy beach, located in a 4 km (2 miles) radius of Grand-Case. For those who prefer clothing-optional beaches, Grandes Cayes is a designated nudist beach. There is parking. Grandes Cayes is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Le Galion Beach
Le Galion Beach is a 4-stars sandy beach, located in a 5 km (3 miles) radius of Grand-Case. There is parking. There are restrooms. There are cafés. Snorkeling is possible. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Le Galion Beach
Le Galion Beach is a 5-stars sandy beach, located in a 5 km (3 miles) radius of Grand-Case. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. Snorkeling is possible. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Grand-Case Weather
MARCH 7
77°F / 79°F
clear skyhumidity: 77% | wind: 3 mph
MARCH 8
77°F / 77°F
clear skyhumidity: 77% | wind: 4 mph
MARCH 9
77°F / 79°F
clear skyhumidity: 75% | wind: 4 mph
MARCH 10
77°F / 77°F
clear skyhumidity: 76% | wind: 4 mph



Sea Temperature in the Caribbean Sea in Grand-Case: General Trends and Swimming Opportunities
Sint Maarten, located in the Caribbean, has a tropical climate with warm, sunny weather year-round. It experiences a wet season from May to November and a dry season from December to April, with average temperatures ranging from 77°F (25°C) to 88°F (31°C) throughout the year.
Grand-Case is located in Central America in the Northern Hemisphere at a latitude of 18 degrees, along the shores of the Caribbean Sea. Grand-Case lies within in Sint Maarten.
The average annual daytime air temperature in Grand-Case is 86°F (30°C), with the average nighttime temperature being 75°F (24°C). The highest average daily temperature occurs in August, reaching 88°F (31°C), while the lowest is in January at 83°F (28°C). As for nighttime temperatures, the minimum average temperature of 73°F (23°C) is recorded in February, and the maximum is in August, reaching 77°F (25°C).
According to historical data, Grand-Case experiences 133 rainy days per year, which accounts for 36 percent of all days in the year. On average, there are 11 rainy days each month. The wettest month is December, with 13 rainy days and 3.6 inches (92 mm) of precipitation, while the driest month is March, which typically has 8 rainy days and only 1.7 inches (42 mm) of precipitation.
The average annual water temperature in Caribbean Sea in Grand-Case is 82°F (28°C). In February, the water reaches its lowest point of the year at 75°F (24°C), while in September, it peaks at 88°F (31°C). The water temperature in the Caribbean Sea in Grand-Case is comfortable for beach vacations and swimming year-round.
Geographical Location of Grand-Case
Nearby Cities
Frequently Asked Questions About Grand-Case and its Water Temperatures
What is the current sea temperature in Grand-Case?
The water temperature today in the Caribbean Sea in Grand-Case is 80°F (26.6°C).
In which months is the water temperature in Grand-Case comfortable for swimming?
The water temperature in Grand-Case is comfortable for beach vacations and swimming throughout the year.
What is the water temperature in Grand-Case during the winter?
The water temperature in the Caribbean Sea in Grand-Case during the winter ranges from 75°F to 84°F (24°C to 29°C).
What is the water temperature in Grand-Case during the spring?
The water temperature in the Caribbean Sea in Grand-Case during the spring ranges from 75°F to 86°F (24°C to 30°C).
What is the water temperature in Grand-Case during the summer?
The water temperature in the Caribbean Sea in Grand-Case during the summer ranges from 77°F to 86°F (25°C to 30°C).
What is the water temperature in Grand-Case during the fall?
The water temperature in the Caribbean Sea in Grand-Case during the fall ranges from 81°F to 88°F (27°C to 31°C).
Is it possible to swim in the sea in Grand-Case year-round?
Yes, it is possible to swim in the Caribbean Sea in Grand-Case year-round because the water temperature never drops below 75°F (24°C)
Is Grand-Case a popular tourist destination for beach vacations?
Grand-Case has a moderate level of popularity for beach vacations; while it does receive some visitors, it is not among the top seaside destinations, as other locations may offer more favorable conditions.
What sea temperatures can I expect in Grand-Case in the next month?
In April, the water temperature in the Caribbean Sea in Grand-Case will range between 77°F (25°C) and 84°F (29°C)