Sandy Hook — Water Temperature, Sea Conditions & Trends

This page provides clear and up-to-date information about water temperature for Sandy Hook (New Jersey, United States). It includes the current water temperature, daily data for the last month presented in a simple chart, and a 7-day forecast. The page also compares today’s value with typical averages for this period, shows usual monthly ranges during the year, and lists nearby beaches with short descriptions. Local weather for the next few days and general details about Sandy Hook help you plan your visit and choose the best time for swimming.

Current Water Temperature

18.5°C

Today

17.9°C

Yesterday

15.5°C

A Week Ago

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Water temperature in Sandy Hook in the Atlantic Ocean today is 19°C.

Water Temperature: Daily Trends, Historical Records, and Forecast

⚠️ As of today, the minimum water temperature ranges from 65°F (18°C) to 68°F (20°C). This is already quite warm water, which is ideal for most people. Swimming becomes comfortable, and prolonged stays in the water do not cause discomfort. This temperature is perfect for family trips and for those who prefer warmer water. It is also comfortable for water sports such as surfing or swimming.

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 Over the Last 30 Days

From May 13 to June 13

Water temperature in Sandy Hook has risen over the last week and month. Currently, the sea water temperature at this location matches the average for this day in previous years.

According to our forecast, Water temperature in Sandy Hook will be 18.7°C in the next 7 days. See the table below for daily data for the upcoming week.

Table of Daily Sea Temperature Data

Date	Current	Average	Forecast
JUN 5	15.1°C	16.3°C
JUN 6	15.5°C	17.0°C
JUN 7	15.8°C	17.3°C
JUN 8	16.4°C	17.0°C
JUN 9	16.8°C	17.8°C
JUN 10	17.7°C	18.0°C
JUN 11	17.8°C	18.0°C
JUN 12	17.9°C	18.5°C
JUN 13	18.5°C	18.5°C	18.5°C
JUN 14		18.5°C	18.5°C
JUN 15		18.5°C	18.6°C
JUN 16		18.8°C	18.6°C
JUN 17		19.0°C	18.6°C
JUN 18		19.0°C	18.7°C
JUN 19		18.8°C	18.7°C
JUN 20		19.8°C	18.7°C

* Current - Actual water temperature value

** Average - Average water temperature on this day in recent years

*** Forecast - Our water temperature forecast

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 to enhance accuracy.

Water temperature data for this location 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.

Annual Water Temperature Overview by Month

Monthly Water Temp Ranges

30°C

25°C

20°C

15°C

10°c

5°C

0°C

Annual Water Temperature Trend

Sandy Hook is a long, sandy barrier spit on the Jersey Shore, forming the northern tip of the barrier islands in New Jersey and separating the Atlantic Ocean from the calmer waters of Raritan Bay. It is part of a national recreation area and offers a mix of open-ocean and bay environments, which influence water temperatures. Seasonal sea-surface temperatures typically range from about 2–6 °C in the coldest winter months up to roughly 18–24 °C in midsummer. Spring sees a steady rise, often between 6–15 °C, while early autumn commonly holds temperatures in the mid-teens to low twenties °C as the ocean slowly cools. Local conditions can shift with weather patterns, tides and upwelling, so short-term temperatures may differ from seasonal averages.

Monthly Water Temperature Range (Min, Max & Average)

Month	Min	Avg	Max
January	2°C	6°C	8°C
February	2°C	4°C	7°C
March	3°C	5°C	8°C
April	4°C	8°C	13°C
May	8°C	13°C	18°C
June	14°C	19°C	24°C
July	19°C	23°C	26°C
August	21°C	24°C	27°C
September	18°C	21°C	25°C
October	13°C	19°C	22°C
November	11°C	14°C	17°C
December	4°C	9°C	13°C

* Click on a month to view detailed water temperature data.

Sandy Hook: Weather Forecast

June 14

° / °

overcast clouds: 85-100%

humidity: 70% | wind:

June 15

° / °

broken clouds: 51-84%

humidity: 72% | wind:

June 16

° / °

overcast clouds: 85-100%

humidity: 68% | wind:

June 17

° / °

broken clouds: 51-84%

humidity: 81% | wind:

Location, Beaches & Local Information

Nearby Beaches & Facilities

Sandy Hook Fishing Beach⭐ 3.9/5

🌊 Sand📍

South Beach - Area E⭐ 3.6/5

🌊 Sand📍

New Jersey Beach⭐ 2.6/5

🌊 Sand📍

Sandy Hook South Beach⭐ 5.0/5

🌊 Sand📍

Horseshoe Cove⭐ 3.1/5

🌊 Sand📍

Bunker Beach⭐ 3.5/5

🌊 Sand📍

Seal Beach⭐ 3.6/5

🌊 Sand📍

Sandy Ground⭐ 3.5/5

🌊 Sand📍

Sandy Hook Bay Beach⭐ 3.9/5

🌊 Sand / Nudists📍

Swimming Conditions

Swimming and beach holidays at Sandy Hook cater to different preferences because the Atlantic side brings surf and stronger currents, while the bay side offers more sheltered, typically warmer water suitable for families and beginner swimmers. Lifeguards are on duty at main beaches during the peak season, and signage warns of rip currents and other hazards; outside the summer months, beaches are quieter but the water is considerably colder, limiting comfortable bathing. Visitors can enjoy sunbathing, shore breaks and paddle sports, and many choose late June through August for reliably warm water. Those planning to swim should check daily conditions, use designated swimming areas when available, and be prepared for rapid changes in temperature and sea state.

Map & Nearby Cities

Local Time, Time Zone & Daylight

✅ The Local Time 01:14

✅ Time Zone UTC-4

✅ Sunrise 05:25

✅ Sunset 20:26

✅ Length of the day 15 h 1 m

Frequently Asked Questions

What is the sea water temperature in Sandy Hook today?

Water temperature in Sandy Hook in the Atlantic Ocean today is 19°C.

In what months is the water temperature in Sandy Hook suitable for swimming?

The water temperature in Sandy Hook is suitable for swimming during the following months of the year: July, August, September. During this period, its value does not drop below 70°F (20°C).

What is the water temperature in Sandy Hook during the summer months?

During the summer, the water temperature in Sandy Hook ranges from 57°F (14.0°C) to 81°F (27.0°C).

What is the water temperature in Sandy Hook in spring?

During the spring, the water temperature in Sandy Hook ranges from 37°F (3.0°C) to 64°F (18.0°C).

What is the water temperature in Sandy Hook in autumn?

During the autumn, the water temperature in Sandy Hook ranges from 52°F (11.0°C) to 77°F (25.0°C).

What is the water temperature in Sandy Hook in winter?

During the winter, the water temperature in Sandy Hook ranges from 36°F (2.0°C) to 55°F (13.0°C).

What are the most popular beaches in Sandy Hook?

The most popular beaches in Sandy Hook are: Gunnison Beach, Sandy Hook South Beach, Anchorage Beach, Sandy Hook North Beach, Miller Street Beach.

What sea temperature can I expect in Sandy Hook next month?

Next month (July), the water temperature in Sandy Hook is expected to be in the range of 19°C - 26°C.