The most detailed information about the water temperature in Dewey Beach in Atlantic Ocean (Delaware, United States). Forecast of changes in water temperature for the next 10 days. Statistics by months for recent years. Information about the neighboring resorts. Weather forecast in Dewey Beach for a week.
Water temperature in Dewey Beach right now
data updated 38 minutes ago47°F
yesterday: 47°F
a week ago: 48°F
Trend: stability
Today water temperature in Dewey Beach is 47.3°F. In general, this water temperature is unacceptable for swimming. But hardened people can afford to be in such water for 5-10 minutes. In any case, the general weather is also important. So, the air temperature at the same time will reach 47°F.
Analysis and forecast
The water temperature today is slightly higher than the average on this day in recent years. Its value has rise both over the past 20 days and over the past week. Exactly a year ago, on this day, the water temperature in this location was 46°F. Water temperature range in Dewey Beach in March is from 37 to 50 degrees.
According to our forecast, in the next 5-6 days the water temperature in Dewey Beach will become lower than today, but in 10 days it will still slightly rise, its value will be 50°F.
Table of water temperature values in Dewey Beach
Day | Fact* | Average** | Forecast*** |
Mar 21 | 8.5°C | 6.8°C | |
Mar 22 | 8.6°C | 6.8°C | |
Mar 23 | 9.2°C | 7.0°C | |
Mar 24 | 9.1°C | 7.3°C | |
Mar 25 | 8.9°C | 7.3°C | |
Mar 26 | 9.2°C | 7.0°C | |
Mar 27 | 8.6°C | 7.3°C | |
Mar 28 | 8.5°C | 6.8°C | |
Mar 29 | 7.0°C | 8.8°C | |
Mar 30 | 7.5°C | 9.4°C | |
Mar 31 | 7.3°C | 9.1°C | |
Apr 1 | 6.5°C | 8.1°C | |
Apr 2 | 6.8°C | 8.5°C | |
Apr 3 | 6.5°C | 8.1°C | |
Apr 4 | 6.8°C | 8.5°C |
** Average - Average water temperature on this day in past years
*** Forecast - Our forecast for the water temperature
Actual nearshore temperatures may vary by several degrees from the indicated values. This is noticeable after heavy rain or after prolonged periods of strong winds. Some downstream winds cause cold, deep waters to replace surface waters that have been warmed by the sun.
To develop a forecast, we use our own mathematical model, which takes into account the current change in water temperature, historical data and the main weather trends, wind strength and direction, air temperature in each specific region. We also take into account data for other resorts in United States.
Annual graph of average water temperature change in Dewey Beach
Water temperature in Dewey Beach by month
Dewey Beach located in the northern hemisphere, at latitude 38 degrees. The comfortable water temperature for swimming is set here in June, usually in the middle of the month. During a year in Dewey Beach there are 115 days of swimming. In general, the swimming season ends in October. Average annual water temperature on the coast in Dewey Beach is 57°F, by the seasons: in winter 43°F, in spring 49°F, in summer 73°F, in autumn 64°F. Minimum water temperature (36°F) in Dewey Beach it happens in January, maximum (79°F) in August.
You can find out detailed data on how the water temperature in Dewey Beach changes in each specific month:
Dewey Beach: general information and map
Neighboring cities and resorts
City | Water* | Distance** |
Rehoboth Beach | 47°C | 2km |
Lewes | 47°C | 10km |
Long Neck | 47°C | 11km |
Cape Henlopen | 47°C | 12km |
Bethany Beach | 47°C | 18km |
South Bethany | 47°C | 20km |
Fenwick Island | 47°C | 26km |
Cape May | 49°C | 30km |
Slaughter Beach | 49°C | 32km |
Diamond Beach | 48°C | 35km |
Ocean City | 47°C | 35km |
Wildwood Crest | 49°C | 37km |
** Straight line distance in kilometers
The warmest water today in United States recorded in Hypoluxo, its value is 77°F. Lowest - in Kotzebue, there water temperature now 28°F. Average water temperature in the country today - 53°F.
Water temperature data in Dewey Beach and neighboring towns and resorts collected from various sources, using buoys, using satellite maps of sea, river and lake surfaces of the NOAA agency.
We use data from various local authorities in each specific location of the world to more accurately reflect temperature values.
The nearest airport is located in a 4 kilometers. This is Rehoboth (REH) airport. We have no information as to whether it is valid and what flights it receives or sends.
Dewey Beach: weather forecast
The weather forecast is shown in local time in Dewey Beach
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humidity: 50%, clouds: 0%
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humidity: 46%, clouds: 3%
humidity: 49%, clouds: 2%
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humidity: 65%, clouds: 69%
humidity: 50%, clouds: 86%
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humidity: 98%, clouds: 100%
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humidity: 96%, clouds: 58%
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humidity: 79%, clouds: 100%
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humidity: 87%, clouds: 100%
humidity: 92%, clouds: 100%
humidity: 90%, clouds: 100%
humidity: 92%, clouds: 100%
humidity: 92%, clouds: 100%