World sea water temperatures

Slaughter Beach water temp

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This data the coastal Slaughter Beach ocean 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 ocean temperature in Slaughter Beach

Water temperature in Slaughter Beach today is 73°F. Based on our historical data over a period of ten years, the warmest water in this day in Slaughter Beach was recorded in 2018 and was 79°F, and the coldest was recorded in 2017 at 72.3°F. Sea water temperature in Slaughter Beach is expected to rise to 73.4°F in the next 10 days. September average water temperature in Slaughter Beach is 73°F, the minimum temperature is 66.4°F, and the maximum is 80.8°F.

The swimming season in Slaughter Beach lasts from June to September. During those months, Slaughter Beach water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Slaughter Beach in winter reaches 41.7°F, in spring 51.6°F, in summer the average temperature rises to 74.7°F, and in autumn it is 64.2°F.

Slaughter Beach water temperature now


September 5, 2025
today temp
73°F
September 4, 2025
yesterday temp
72.7°F


The ocean salinity in Slaughter Beach is 28.55‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Slaughter Beach 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 Slaughter Beach. 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 Slaughter Beach. 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)

0-3 h3-6 h6-9 h9-12 h
1' 11"1' 8"1' 6"1' 4"
0.59 m0.52 m0.45 m0.4 m
12-15 h15-18 h18-21 h21-24 h
1' 2"1' 4"1' 8"1' 8"
0.36 m0.4 m0.5 m0.5 m

Surf report in Slaughter Beach

Slaughter Beach wave height and direction

Slaughter Beach weather forecast

Slaughter Beach wind speed and direction

Current temperature and weather

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

0-3 h3-6 h6-9 h9-12 h
69.4°F67.8°F66°F73.8°F
12-15 h15-18 h18-21 h21-24 h
86.9°F90.1°F84.6°F75.6°F

You may also be interested in other sections of our site for Slaughter Beach: Sunrise and Sunset, Tides

Slaughter Beach water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Slaughter Beach. 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 Slaughter Beach 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 Slaughter Beach

Water temperature in Slaughter Beach

Where is the warmest sea water in the world?

If you want to plan a vacation on the beach and enjoy the warm sea, choose the day of the year, region and the minimum comfortable sea/ocean temperature that interests you. As a result, you will get a list of countries and cities in which the average sea temperature or maximum temperature on this day over the past 10 years exceeds your chosen value

Region
Date (day and month)
Water temperature: min 60°F
 Average temperature  Maximum temperature

Nearby beaches and cities

The nearest beaches and cities from Slaughter Beach 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

WaterWeatherWave
Broadkill Beach73.4°F86°F1' 7"
Delaware Bay73.6°F91.4°F1' 5"
Bowers73.6°F91.4°F1' 5"
Cape Henlopen73.8°F86°F2' 0"
Cape May Point73.2°F86°F2' 9"
Lower Township73.2°F86°F2' 9"
Dover73.8°F87.8°F1' 4"
Towers Beach73.8°F86°F2' 8"
Rehoboth Bay73.9°F86°F2' 8"
Villas72.9°F86°F1' 11"

Delaware photo gallery

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  • rural Delaware Bay, middle section, Nantuxent Cove, picture taken at Money Island NJ
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[1] - The "Blue Flag" is awarded to beaches which fulfill a number of criteria, including: the quality of the bathing water, which must be in accordance with the relevant European Union Directive environmental education and information and beach area management and safety.

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Our report for Slaughter Beach 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.

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