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Stony Brook
Water Temperature in the Atlantic Ocean in Stony Brook, New York: Current, Historical Data and Forecast
On this page, you will find comprehensive information about the sea temperature in Stony Brook in New York, 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 Stony Brook
38°F
TODAY
37°F
YESTERDAY
38°F
A WEEK AGO
Analysis, Historical Data, and Forecast of Water Temperature
Today sea water temperature in the Atlantic Ocean in Stony Brook is 3°F. Such water is extremely cold and not recommended for swimming without proper preparation. In these conditions, the risk of hypothermia is very high, and prolonged exposure to the water can be hazardous to your health. If you decide to swim, it is important to have the appropriate gear, such as a wetsuit. Typically, only experienced swimmers or those who practice winter swimming venture into such waters.
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 Stony Brook Over the Last 30 Days
The water temperature in Stony Brook 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 Stony Brook will remain nearly unchanged in the coming days, its value will be 39°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 Stony Brook 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 15 | 38°F | 39°F | |
| Feb 16 | 38°F | 37°F | |
| Feb 17 | 38°F | 40°F | |
| Feb 18 | 37°F | 40°F | |
| Feb 19 | 37°F | 39°F | |
| Feb 20 | 38°F | 40°F | |
| Feb 21 | 37°F | 38°F | |
| Feb 22 | 38°F | 39°F | |
| Feb 23 | 39 | 38°F | |
| Feb 24 | 41 | 38°F | |
| Feb 25 | 41 | 38°F | |
| Feb 26 | 41 | 39°F | |
| Feb 27 | 42 | 39°F | |
| Feb 28 | 40 | 39°F | |
| Mar 1 | 38 | 39°F | |
| Mar 2 | 39 | 39°F |
Sea Temperature in Stony Brook Throughout the Year
Throughout the year, the sea temperature in Stony Brook exceeds 77°F (25°C) for 0 days, exceeds 72°F (22°C) for 57 days, and exceeds 64°F (18°C) for 122 days.
Below is the annual chart of sea temperature changes in the Atlantic Ocean in Stony Brook.
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 | 40°F | 45°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 |
|---|---|---|
| 55°F | 64°F | 73°F |
July
| Minimum | Average | Maximum |
|---|---|---|
| 64°F | 72°F | 79°F |
August
| Minimum | Average | Maximum |
|---|---|---|
| 70°F | 74°F | 79°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 Stony Brook
You can explore detailed data on how the water temperature in Stony Brook varies each month:
What Beaches Are There In and Around Stony Brook?
Stony Brook Beach
Stony Brook Beach is a 4-stars sandy beach, is located directly in Stony Brook. There are lifeguards on the beach. There are restrooms. Stony Brook 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.
Stony Brook Yacht Club
Stony Brook Yacht Club is a 3-stars sandy beach, is located directly in Stony Brook. There is parking. There are restrooms. There are cafés. Stony Brook Yacht Club is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish.
Old Field Club
Old Field Club is a 3-stars sandy beach, located in a 2 km (1 miles) radius of Stony Brook. There is parking. There are restrooms. There are cafés.
West Meadow Beach
West Meadow Beach is a 3-stars sandy beach, located in a 2 km (1 miles) radius of Stony Brook. There are lifeguards on the beach. There is parking. There are restrooms.
Long Beach Town Park
Long Beach Town Park is a 5-stars sandy beach, located in a 3 km (2 miles) radius of Stony Brook. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. Long Beach Town Park is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Schubert Beach
Schubert Beach is a 5-stars sandy beach, located in a 3 km (2 miles) radius of Stony Brook. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Flax Pond Beach
Flax Pond Beach is a 1-stars sandy beach, located in a 4 km (2 miles) radius of Stony Brook.
Brookhaven Town Beach
Brookhaven Town Beach is a 1-stars pebble beach, located in a 4 km (2 miles) radius of Stony Brook. There is parking.
Bayberry Cove Beach
Bayberry Cove Beach is a 1-stars sandy beach, located in a 5 km (3 miles) radius of Stony Brook.
Bayview Beach
Bayview Beach is a 3-stars sandy beach, located in a 5 km (3 miles) radius of Stony Brook. There are restrooms. Bayview 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.
Short Beach
Short Beach is a 5-stars sandy beach, located in a 7 km (4 miles) radius of Stony Brook. There are lifeguards on the beach. There is parking. There are restrooms. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Mcallister County Park
Mcallister County Park is a 3-stars sandy beach, located in a 7 km (4 miles) radius of Stony Brook. There is parking. There are restrooms. Mcallister County Park is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish.
Harborfront Park
Harborfront Park is a 3-stars sandy beach, located in a 7 km (4 miles) radius of Stony Brook. There is parking. There are restrooms. There are cafés.
Port Jefferson Beach East
Port Jefferson Beach East is a 4-stars sandy beach, located in a 8 km (5 miles) radius of Stony Brook. 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.
John W. Knapp Beach
John W. Knapp Beach is a 3-stars sandy beach, located in a 8 km (5 miles) radius of Stony Brook. There is parking. There are restrooms. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Kings Park Bluff
Kings Park Bluff is a 3-stars sandy beach, located in a 8 km (5 miles) radius of Stony Brook. There is parking. There are restrooms. There are cafés. Kings Park Bluff is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish.
Cedar Beach West
Cedar Beach West is a 2-stars sandy beach, located in a 9 km (6 miles) radius of Stony Brook. There is parking. Cedar Beach West is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish.
Stony Brook Weather
FEBRUARY 23
32°F / 39°F
overcast clouds: 85-100%humidity: 73% | wind: 1 mph
FEBRUARY 24
37°F / 48°F
broken clouds: 51-84%humidity: 77% | wind: 3 mph
FEBRUARY 25
34°F / 50°F
broken clouds: 51-84%humidity: 74% | wind: 2 mph
FEBRUARY 26
37°F / 43°F
broken clouds: 51-84%humidity: 67% | wind: 1 mph
Sea Temperature in the Atlantic Ocean in Stony Brook: General Trends and Swimming Opportunities
The coastal area in the region of New York, United States, experiences a humid subtropical climate with four distinct seasons. Winters can be very cold with moderate snowfall, and summers are typically hot and humid, while spring and autumn can display mild temperatures.
Stony Brook is located in North America in the Northern Hemisphere at a latitude of 41 degrees, along the shores of the Atlantic Ocean. Stony Brook lies within the New York in United States.
The average annual daytime air temperature in Stony Brook is 61°F (16°C), with the average nighttime temperature being 45°F (7°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 24°F (-4°C) is recorded in January, and the maximum is in July, reaching 65°F (18°C).
According to historical data, Stony Brook 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 4.4 inches (112 mm) of precipitation, while the driest month is October, which typically has 8 rainy days and only 3.8 inches (97 mm) of precipitation.
The average annual water temperature in Atlantic Ocean in Stony Brook is 55°F (13°C). In January, the water reaches its lowest point of the year at 36°F (2°C), while in July, it peaks at 79°F (26°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 79°F (26°C) on some days.
Geographical Location of Stony Brook
Nearby Cities
Frequently Asked Questions About Stony Brook and its Water Temperatures
What is the current sea temperature in Stony Brook?
The water temperature today in the Atlantic Ocean in Stony Brook is 38°F (3.1°C).
In which months is the water temperature in Stony Brook comfortable for swimming?
The water temperature in the Atlantic Ocean in Stony Brook is comfortable for swimming and beach vacations in August.
What is the water temperature in Stony Brook during the winter?
The water temperature in the Atlantic Ocean in Stony Brook during the winter ranges from 36°F to 55°F (2°C to 13°C).
What is the water temperature in Stony Brook during the spring?
The water temperature in the Atlantic Ocean in Stony Brook during the spring ranges from 36°F to 63°F (2°C to 17°C).
What is the water temperature in Stony Brook during the summer?
The water temperature in the Atlantic Ocean in Stony Brook during the summer ranges from 55°F to 79°F (13°C to 26°C).
What is the water temperature in Stony Brook during the fall?
The water temperature in the Atlantic Ocean in Stony Brook during the fall ranges from 48°F to 77°F (9°C to 25°C).
Is it possible to swim in the sea in Stony Brook at any time of the year?
The Atlantic Ocean in Stony Brook 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 Stony Brook in the next month?
In March, the water temperature in the Atlantic Ocean in Stony Brook will range between 36°F (2°C) and 45°F (7°C)