Hewlett Bay Park water temp

This data the coastal Hewlett Bay Park sea water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.

Current sea temperature in Hewlett Bay Park

Water temperature in Hewlett Bay Park today is 71.2°F. Based on our historical data over a period of ten years, the warmest water in this day in the Atlantic Ocean near Hewlett Bay Park was recorded in 2018 and was 76.8°F, and the coldest was recorded in 2017 at 69.6°F. Sea water temperature in Hewlett Bay Park is expected to rise to 71.4°F in the next 10 days. September average water temperature in Hewlett Bay Park is 70.9°F, the minimum temperature is 64.2°F, and the maximum is 77°F.

The swimming season in Hewlett Bay Park lasts from July to September. During those months, Hewlett Bay Park water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Hewlett Bay Park in winter reaches 43.9°F, in spring 47.7°F, in summer the average temperature rises to 70.9°F, and in autumn it is 63.5°F.

Hewlett Bay Park water temperature now

The sea salinity in Hewlett Bay Park is 29.58‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Hewlett Bay Park for today

Another important indicators for a comfortable holiday on the beach are the presence and height of the waves, as well as the speed and direction of the wind. Please find below data on the swell size for Hewlett Bay Park. We calculate the swell size based on the mean wave height (trough to crest) of each third highest wave. For more information on surf forecasts for the next ten days, please visit sea state forecast Hewlett Bay Park. Data in table shown for September 5, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Hewlett Bay Park

Hewlett Bay Park weather forecast

Current temperature and weather

Data in a table show Hewlett Bay Park temperature today (September 5, 2025). For more information and forecast for a few days, go to the weather forecast Hewlett Bay Park.

0-3 h	3-6 h	6-9 h	9-12 h
69.4°F	69.6°F	69.4°F	71.6°F

12-15 h	15-18 h	18-21 h	21-24 h
76.5°F	77.5°F	76.6°F	74.1°F

Hewlett Bay Park water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Hewlett Bay Park. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Hewlett Bay Park on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve

Chart monthly average water temperature in Hewlett Bay Park

The nearest beaches and cities from Hewlett Bay Park with the water temperature today, as well as the air temperature and the state of the weather during the day and the average wave height for today

	Water	Weather		Wave
New York City	71.4°F	82.4°F		1' 6"
Harbor Isle	71.2°F	77°F		3' 2"
Island Park	71.2°F	77°F		3' 2"
Lido Beach	71.2°F	77°F		3' 2"
Hewlett Harbor	71.2°F	77°F		3' 2"
Point Lookout	71.4°F	77°F		3' 3"
Far Rockaway	71.2°F	77°F		3' 2"
Atlantic Beach	71.2°F	77°F		3' 2"
Jamaica	71.2°F	77°F		3' 0"
Jones Inlet	71.2°F	80.6°F		3' 3"

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Our report for Hewlett Bay Park is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.