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Long Neck

Water Temperature in the Atlantic Ocean in Long Neck, Delaware: Current, Historical Data and Forecast

On this page, you will find comprehensive information about the sea temperature in Long Neck in Delaware, 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 Long Neck

15.8°C

TODAY

15.9°C

YESTERDAY

17.5°C

A WEEK AGO

All water temperature data is now available in our official mobile apps — for iOS and Android.

Analysis, Historical Data, and Forecast of Water Temperature

Today sea water temperature in the Atlantic Ocean in Long Neck is 15.8°C. The water is comfortable for most people, making it an ideal range for water sports enthusiasts. The temperature does not cause significant discomfort, and swimming will be pleasant for the majority. However, it's important to remember that prolonged exposure to the water can still lead to cooling, so it's essential to monitor the time spent in the water, especially for children or elderly people.

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 Long Neck Over the Last 30 Days

The water temperature in Long Neck 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 Long Neck will remain nearly unchanged in the coming days, its value will be 16.9°C.

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 Long Neck 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

DateCurrentAverageForecast
May 2217.5°C16.3°C
May 2316.8°C16.3°C
May 2416.0°C16.0°C
May 2515.7°C16.3°C
May 2615.4°C16.3°C
May 2715.5°C16.8°C
May 2815.9°C16.3°C
May 2915.2°C16.8°C
May 3017.5°C16.0°C
May 3117.0°C16.1°C
Jun 117.5°C16.2°C
Jun 217.3°C16.3°C
Jun 317.5°C16.4°C
Jun 417.8°C16.5°C
Jun 518.0°C16.7°C
Jun 618.5°C16.9°C
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast

Sea Temperature in Long Neck Throughout the Year

Throughout the year, the sea temperature in Long Neck exceeds 77°F (25°C) for 2 days, exceeds 72°F (22°C) for 85 days, and exceeds 64°F (18°C) for 147 days.

Below is the annual chart of sea temperature changes in the Atlantic Ocean in Long Neck.

January

MinimumAverageMaximum
1°C5.5°C10°C

February

MinimumAverageMaximum
2°C4.5°C7°C

March

MinimumAverageMaximum
3°C6.5°C10°C

April

MinimumAverageMaximum
4°C9°C14°C

May

MinimumAverageMaximum
8°C14°C20°C

June

MinimumAverageMaximum
15°C20°C25°C

July

MinimumAverageMaximum
19°C23.5°C28°C

August

MinimumAverageMaximum
20°C24°C28°C

September

MinimumAverageMaximum
18°C22.5°C27°C

October

MinimumAverageMaximum
14°C18.5°C23°C

November

MinimumAverageMaximum
8°C13°C18°C

December

MinimumAverageMaximum
4°C9°C14°C

Monthly Water Temperature Histogram for Atlantic Ocean in Long Neck

You can explore detailed data on how the water temperature in Long Neck varies each month:

What Beaches Are There In and Around Long Neck?

Lingo Inlet

Lingo Inlet is a 3-stars sandy beach, is located directly in Long Neck. There is parking. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Lingo Point

Lingo Point is a 3-stars sandy beach, located in a 2 km (1 miles) radius of Long Neck. There is parking. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Nats Cove

Nats Cove is a 3-stars sandy beach, located in a 4 km (2 miles) radius of Long Neck. There is parking. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Arrowhead Point

Arrowhead Point is a 3-stars sandy beach, located in a 4 km (2 miles) radius of Long Neck. There is parking. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Holts Landing State Park

Holts Landing State Park is a 3-stars sandy beach, located in a 4 km (2 miles) radius of Long Neck. There is parking. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Rosedale Public Boat Ramp

Rosedale Public Boat Ramp is a 2-stars sandy beach, located in a 6 km (4 miles) radius of Long Neck. There is parking.

Mallard Beach

Mallard Beach is a 1-stars sandy beach, located in a 7 km (4 miles) radius of Long Neck.

Indian River Marina

Indian River Marina is a 4-stars sandy beach, located in a 7 km (4 miles) radius of Long Neck. There are restrooms. There are cafés. Indian River Marina 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.

South Indian River Inlet Beach

South Indian River Inlet Beach is a 4-stars sandy beach, located in a 7 km (4 miles) radius of Long Neck. There is parking. There are restrooms. South Indian River Inlet Beach 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.

Coin Beach

Coin Beach is a 1-stars sandy beach, located in a 8 km (5 miles) radius of Long Neck.

Delaware Seashore State Park

Delaware Seashore State Park is a 5-stars sandy beach, located in a 8 km (5 miles) radius of Long Neck. 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.

Indian Beach

Indian Beach is a 1-stars sandy beach, located in a 10 km (6 miles) radius of Long Neck.

Towers Beach

Towers Beach is a 5-stars sandy beach, located in a 10 km (6 miles) radius of Long Neck. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. Towers Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible. It is suitable for surfing.

Long Neck Weather

MAY 30

14°C / 22°C
light rain

humidity: 82% | wind: 8 km/h

MAY 31

11°C / 18°C
light rain

humidity: 75% | wind: 6 km/h

JUNE 1

12°C / 22°C
broken clouds: 51-84%

humidity: 64% | wind: 4 km/h

Delaware, United StatesDelaware, United StatesDelaware, United States

Sea Temperature in the Atlantic Ocean in Long Neck: General Trends and Swimming Opportunities

Original name
Long Neck
The Local Time
06:05
Time Zone
UTC-4
Sunrise
05:39
Sunset
20:16
Length of the day
14 h 36 m

The coastal area in Delaware, United States, experiences a moderate maritime climate haracterized by warm, humid summers and mild winters. Due to the moderating influence of the Atlantic Ocean, it also has medium to high levels of humidity year-round with precipitation evenly distributed throughout the year.

Long Neck is located in North America in the Northern Hemisphere at a latitude of 39 degrees, along the shores of the Atlantic Ocean. Long Neck lies within the Delaware in United States.

The average annual daytime air temperature in Long Neck is 64°F (18°C), with the average nighttime temperature being 46°F (8°C). The highest average daily temperature occurs in July, reaching 85°F (29°C), while the lowest is in January at 42°F (6°C). As for nighttime temperatures, the minimum average temperature of 28°F (-2°C) is recorded in January, and the maximum is in July, reaching 68°F (20°C).

According to historical data, Long Neck experiences 117 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 May, with 10 rainy days and 3.6 inches (92 mm) of precipitation, while the driest month is October, which typically has 8 rainy days and only 3.5 inches (88 mm) of precipitation.

The average annual water temperature in Atlantic Ocean in Long Neck is 57°F (14°C). In January, the water reaches its lowest point of the year at 34°F (1°C), while in July, it peaks at 82°F (28°C). In Long Neck, the water temperature in the Atlantic Ocean never consistently reaches a comfortable level for swimming in any month.

Geographical Location of Long Neck

Frequently Asked Questions About Long Neck and its Water Temperatures

What is the current sea temperature in Long Neck?

The water temperature today in the Atlantic Ocean in Long Neck is 60°F (15.8°C).

In which months is the water temperature in Long Neck comfortable for swimming?

It cannot be guaranteed that the water temperature in Long Neck will be comfortable for swimming in any month of the year.

What is the water temperature in Long Neck during the winter?

The water temperature in the Atlantic Ocean in Long Neck during the winter ranges from 34°F to 57°F (1°C to 14°C).

What is the water temperature in Long Neck during the spring?

The water temperature in the Atlantic Ocean in Long Neck during the spring ranges from 37°F to 68°F (3°C to 20°C).

What is the water temperature in Long Neck during the summer?

The water temperature in the Atlantic Ocean in Long Neck during the summer ranges from 59°F to 82°F (15°C to 28°C).

What is the water temperature in Long Neck during the fall?

The water temperature in the Atlantic Ocean in Long Neck during the fall ranges from 46°F to 81°F (8°C to 27°C).

Is it possible to swim in the sea in Long Neck at any time of the year?

The Atlantic Ocean in Long Neck 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 Long Neck in the next month?

In June, the water temperature in the Atlantic Ocean in Long Neck will range between 59°F (15°C) and 77°F (25°C)