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Greenwich
Water Temperature in the Atlantic Ocean in Greenwich, Connecticut: Current, Historical Data and Forecast
On this page, you will find comprehensive information about the sea temperature in Greenwich in Connecticut, 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 Greenwich
41°F
TODAY
41°F
YESTERDAY
41°F
A WEEK AGO
Analysis, Historical Data, and Forecast of Water Temperature
Today sea water temperature in the Atlantic Ocean in Greenwich is 4.9°F. This water temperature is still quite low, and swimming in such conditions may only be comfortable for hardened individuals. It is recommended to limit the time spent in the water to avoid hypothermia. For those not accustomed to cold water, it is better to refrain from swimming. However, if you decide to enter the water, it is advisable to wear a warm wetsuit for protection against the cold.
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 Atlantic Ocean in Greenwich Over the Last 30 Days
The water temperature in Greenwich 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 Greenwich will remain nearly unchanged in the coming days, its value will be 43°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 United States to enhance accuracy.
Water temperature data for Greenwich 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 |
|---|---|---|---|
| Mar 21 | 41°F | 42°F | |
| Mar 22 | 41°F | 42°F | |
| Mar 23 | 41°F | 42°F | |
| Mar 24 | 42°F | 43°F | |
| Mar 25 | 42°F | 43°F | |
| Mar 26 | 41°F | 43°F | |
| Mar 27 | 41°F | 44°F | |
| Mar 28 | 41°F | 44°F | |
| Mar 29 | 44°F | 42°F | |
| Mar 30 | 44°F | 42°F | |
| Mar 31 | 45°F | 42°F | |
| Apr 1 | 43°F | 42°F | |
| Apr 2 | 43°F | 42°F | |
| Apr 3 | 43°F | 42°F | |
| Apr 4 | 43°F | 43°F | |
| Apr 5 | 44°F | 43°F |
Sea Temperature in Greenwich Throughout the Year
Throughout the year, the sea temperature in Greenwich exceeds 77°F (25°C) for 0 days, exceeds 72°F (22°C) for 59 days, and exceeds 64°F (18°C) for 123 days.
Below is the annual chart of sea temperature changes in the Atlantic Ocean in Greenwich.
January
| Minimum | Average | Maximum |
|---|---|---|
| 36°F | 43°F | 50°F |
February
| Minimum | Average | Maximum |
|---|---|---|
| 36°F | 40°F | 45°F |
March
| Minimum | Average | Maximum |
|---|---|---|
| 36°F | 41°F | 46°F |
April
| Minimum | Average | Maximum |
|---|---|---|
| 39°F | 46°F | 54°F |
May
| Minimum | Average | Maximum |
|---|---|---|
| 46°F | 55°F | 63°F |
June
| Minimum | Average | Maximum |
|---|---|---|
| 57°F | 65°F | 73°F |
July
| Minimum | Average | Maximum |
|---|---|---|
| 64°F | 73°F | 81°F |
August
| Minimum | Average | Maximum |
|---|---|---|
| 70°F | 75°F | 81°F |
September
| Minimum | Average | Maximum |
|---|---|---|
| 64°F | 71°F | 77°F |
October
| Minimum | Average | Maximum |
|---|---|---|
| 55°F | 64°F | 73°F |
November
| Minimum | Average | Maximum |
|---|---|---|
| 48°F | 56°F | 64°F |
December
| Minimum | Average | Maximum |
|---|---|---|
| 41°F | 48°F | 55°F |
Monthly Water Temperature Histogram for Atlantic Ocean in Greenwich
You can explore detailed data on how the water temperature in Greenwich varies each month:
What Beaches Are There In and Around Greenwich?
Harbor Point Beach
Harbor Point Beach is a 1-stars sandy beach, located in a 3 km (2 miles) radius of Greenwich.
Byram Park
Byram Park is a 3-stars sandy beach, located in a 3 km (2 miles) radius of Greenwich. There is parking. There are restrooms. There are cafés.
Byram Park Beach
Byram Park Beach is a 4-stars sandy beach, located in a 3 km (2 miles) radius of Greenwich. There are lifeguards on the beach. There is parking. There are restrooms. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Island Beach
Island Beach is a 5-stars sandy beach, located in a 4 km (2 miles) radius of Greenwich. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. Island Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Uncas Point Beach
Uncas Point Beach is a 2-stars sandy beach, located in a 5 km (3 miles) radius of Greenwich. There is parking. There are cafés.
Greenwich Point Park
Greenwich Point Park is a 3-stars sandy beach, located in a 5 km (3 miles) radius of Greenwich. There is parking. There are restrooms. There are cafés.
Greenwich Point
Greenwich Point is a 3-stars sandy beach, located in a 5 km (3 miles) radius of Greenwich. There is parking. There are restrooms. There are cafés.
Greenwich Point Beach
Greenwich Point Beach is a 5-stars sandy beach, located in a 5 km (3 miles) radius of Greenwich. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Great Captains Island Beach
Great Captains Island Beach is a 3-stars sandy beach, located in a 5 km (3 miles) radius of Greenwich. There are restrooms. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Fords Beach
Fords Beach is a 3-stars sandy beach, located in a 6 km (4 miles) radius of Greenwich. There is parking. There are restrooms. There are cafés.
Westchester Country Club Beach
Westchester Country Club Beach is a 5-stars sandy beach, located in a 7 km (4 miles) radius of Greenwich. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Manursing Island Club
Manursing Island Club is a 5-stars sandy beach, located in a 7 km (4 miles) radius of Greenwich. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
John J. Boccuzzi Park
John J. Boccuzzi Park is a 2-stars sandy beach, located in a 7 km (4 miles) radius of Greenwich. There is parking.
Harbor Point Boardwalk
Harbor Point Boardwalk is a 2-stars sandy beach, located in a 7 km (4 miles) radius of Greenwich. There are cafés.
Rye Playland Beach
Rye Playland Beach is a 5-stars sandy beach, located in a 8 km (5 miles) radius of Greenwich. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
West Beach
West Beach is a 4-stars sandy beach, located in a 9 km (6 miles) radius of Greenwich. There are lifeguards on the beach. There is parking. There are restrooms. West Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Rye Town Park And Beach
Rye Town Park And Beach is a 5-stars sandy beach, located in a 9 km (6 miles) radius of Greenwich. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Cummings Beach
Cummings Beach is a 4-stars sandy beach, located in a 10 km (6 miles) radius of Greenwich. There are lifeguards on the beach. There is parking. There are restrooms. Cummings Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Cummings Park Beach
Cummings Park Beach is a 1-stars sandy beach, located in a 10 km (6 miles) radius of Greenwich.
Greenwich Weather
MARCH 29
43°F / 61°F
light rainhumidity: 87% | wind: 2 mph
MARCH 30
52°F / 59°F
overcast clouds: 85-100%humidity: 90% | wind: 2 mph
MARCH 31
37°F / 59°F
light rainhumidity: 73% | wind: 4 mph
APRIL 1
34°F / 48°F
clear skyhumidity: 48% | wind: 2 mph
Sea Temperature in the Atlantic Ocean in Greenwich: General Trends and Swimming Opportunities
The coastal region of Connecticut, United States features a temperate maritime climate, characterized by relatively mild winters, warm humid summers, and regular rainfall spread throughout the year. Seasonal weather transitions can be noticeable, with cool autumns leading towards winter and spring serving as a moderate transition period towards summer.
Greenwich is located in North America in the Northern Hemisphere at a latitude of 41 degrees, along the shores of the Atlantic Ocean. Greenwich lies within the Connecticut in United States.
The average annual daytime air temperature in Greenwich is 61°F (16°C), with the average nighttime temperature being 46°F (8°C). The highest average daily temperature occurs in July, reaching 82°F (28°C), while the lowest is in January at 39°F (4°C). As for nighttime temperatures, the minimum average temperature of 26°F (-4°C) is recorded in January, and the maximum is in July, reaching 68°F (20°C).
According to historical data, Greenwich experiences 118 rainy days per year, which accounts for 32 percent of all days in the year. On average, there are 10 rainy days each month. The wettest month is December, with 11 rainy days and 3.9 inches (99 mm) of precipitation, while the driest month is October, which typically has 8 rainy days and only 4.0 inches (101 mm) of precipitation.
The average annual water temperature in Atlantic Ocean in Greenwich is 57°F (14°C). In January, the water reaches its lowest point of the year at 36°F (2°C), while in July, it peaks at 81°F (27°C). The month suitable for comfortable beach vacations and swimming in the Atlantic Ocean is August. During this month, the water temperature stays above 68°F (20°C) and can reach up to 81°F (27°C) on some days.
Geographical Location of Greenwich
Nearby Cities
Frequently Asked Questions About Greenwich and its Water Temperatures
What is the current sea temperature in Greenwich?
The water temperature today in the Atlantic Ocean in Greenwich is 41°F (5.2°C).
In which months is the water temperature in Greenwich comfortable for swimming?
The water temperature in the Atlantic Ocean in Greenwich is comfortable for swimming and beach vacations in August.
What is the water temperature in Greenwich during the winter?
The water temperature in the Atlantic Ocean in Greenwich during the winter ranges from 36°F to 55°F (2°C to 13°C).
What is the water temperature in Greenwich during the spring?
The water temperature in the Atlantic Ocean in Greenwich during the spring ranges from 36°F to 63°F (2°C to 17°C).
What is the water temperature in Greenwich during the summer?
The water temperature in the Atlantic Ocean in Greenwich during the summer ranges from 57°F to 81°F (14°C to 27°C).
What is the water temperature in Greenwich during the fall?
The water temperature in the Atlantic Ocean in Greenwich during the fall ranges from 48°F to 77°F (9°C to 25°C).
Is it possible to swim in the sea in Greenwich at any time of the year?
The Atlantic Ocean in Greenwich is quite cool, and swimming is only possible in June, July, August, September, and October when the water temperature reaches 70°F (21°C).
What sea temperatures can I expect in Greenwich in the next month?
In April, the water temperature in the Atlantic Ocean in Greenwich will range between 39°F (4°C) and 54°F (12°C)