
The most detailed information about the water temperature in Lewes 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 Lewes for a week.
Water temperature in Lewes right now
data updated 40 minutes ago68°F

yesterday: 67°F
a week ago: 68°F
Trend: slow rise
Today water temperature in Lewes is 68.2°F. This water is cool and invigorating, but for many people it is already comfortable enough for swimming. In general, this temperature is considered normal, but if your circulation is impaired, the water may still feel cool. In any case, the general weather is also important. So, the air temperature at the same time will reach 70°F.
Analysis and forecast
The water temperature today is slightly lower 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 68°F. Water temperature range in Lewes in June is from 59 to 77 degrees.
According to our forecast, the water temperature in Lewes will slowly rise for at least the next 10 days and reach a value of 71°F.
Table of water temperature values in Lewes
Day | Fact* | Average** | Forecast*** |
Jun 19 | 22.0°C | 21.3°C | |
Jun 20 | 21.0°C | 21.0°C | |
Jun 21 | 20.3°C | 21.0°C | |
Jun 22 | 19.3°C | 20.8°C | |
Jun 23 | 19.0°C | 20.5°C | |
Jun 24 | 19.9°C | 20.8°C | |
Jun 25 | 19.7°C | 21.0°C | |
Jun 26 | 20.1°C | 21.3°C | |
Jun 27 | 22.5°C | 21.2°C | |
Jun 28 | 22.3°C | 21.0°C | |
Jun 29 | 22.8°C | 21.5°C | |
Jun 30 | 23.0°C | 21.7°C | |
Jul 1 | 22.3°C | 21.0°C | |
Jul 2 | 22.5°C | 21.2°C | |
Jul 3 | 22.3°C | 21.0°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 Lewes

Water temperature in Lewes by month
Lewes 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 Lewes there are 115 days of swimming. In general, the swimming season ends in October. Average annual water temperature on the coast in Lewes 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 Lewes it happens in January, maximum (79°F) in August.
You can find out detailed data on how the water temperature in Lewes changes in each specific month:
Lewes: general information and map
Neighboring cities and resorts
City | Water* | Distance** |
Cape Henlopen | 67°C ![]() ![]() | 5km |
Rehoboth Beach | 67°C ![]() ![]() | 8km |
Dewey Beach | 67°C ![]() ![]() | 10km |
Long Neck | 68°C ![]() ![]() | 17km |
Slaughter Beach | 68°C ![]() ![]() | 21km |
Bethany Beach | 68°C ![]() ![]() | 27km |
Cape May | 68°C ![]() ![]() | 27km |
South Bethany | 67°C ![]() ![]() | 30km |
Diamond Beach | 69°C ![]() ![]() | 32km |
Villas | 68°C ![]() ![]() | 33km |
Wildwood Crest | 67°C ![]() ![]() | 35km |
Fenwick Island | 67°C ![]() ![]() | 36km |
** Straight line distance in kilometers

The warmest water today in United States recorded in Cameron, its value is 89°F. Lowest - in Kotzebue, there water temperature now 33°F. Average water temperature in the country today - 68°F.
Water temperature data in Lewes 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 6 kilometers. This is Rehoboth (REH) airport. We have no information as to whether it is valid and what flights it receives or sends.
Lewes: weather forecast
The weather forecast is shown in local time in Lewes


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