
The most detailed information about the water temperature in Sea Isle City in Atlantic Ocean (New Jersey, 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 Sea Isle City for a week.
Water temperature in Sea Isle City right now
data updated 18 minutes ago70°F

yesterday: 67°F
a week ago: 70°F
Trend: slow drop
Today water temperature in Sea Isle City is 70.0°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 71°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 71°F. Water temperature range in Sea Isle City in June is from 59 to 77 degrees.
According to our forecast, in the coming days, the water temperature value in Sea Isle City will slightly drop and in 10 days it will be 67°F.
Table of water temperature values in Sea Isle City
Day | Fact* | Average** | Forecast*** |
Jun 20 | 21.2°C | 21.3°C | |
Jun 21 | 20.9°C | 21.5°C | |
Jun 22 | 19.4°C | 21.0°C | |
Jun 23 | 19.7°C | 21.3°C | |
Jun 24 | 19.4°C | 21.3°C | |
Jun 25 | 19.7°C | 21.8°C | |
Jun 26 | 19.6°C | 21.5°C | |
Jun 27 | 21.1°C | 23.5°C | |
Jun 28 | 23.3°C | 20.9°C | |
Jun 29 | 23.3°C | 20.9°C | |
Jun 30 | 24.3°C | 21.8°C | |
Jul 1 | 21.5°C | 19.3°C | |
Jul 2 | 21.3°C | 19.1°C | |
Jul 3 | 21.3°C | 19.1°C | |
Jul 4 | 21.3°C | 19.1°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 Sea Isle City

Water temperature in Sea Isle City by month
Sea Isle City located in the northern hemisphere, at latitude 39 degrees. The comfortable water temperature for swimming is set here in June, usually in the middle of the month. During a year in Sea Isle City there are 115 days of swimming. In general, the swimming season ends in October. Average annual water temperature on the coast in Sea Isle City 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 (37°F) in Sea Isle City it happens in January, maximum (80°F) in August.
You can find out detailed data on how the water temperature in Sea Isle City changes in each specific month:
Sea Isle City: general information and map
Neighboring cities and resorts
City | Water* | Distance** |
Strathmere | 68°C ![]() ![]() | 5km |
Avalon | 69°C ![]() ![]() | 6km |
Stone Harbor | 70°C ![]() ![]() | 13km |
Ocean City | 68°C ![]() ![]() | 15km |
North Wildwood | 68°C ![]() ![]() | 19km |
Somers Point | 69°C ![]() ![]() | 20km |
Wildwood | 70°C ![]() ![]() | 21km |
Wildwood Crest | 69°C ![]() ![]() | 23km |
Longport | 68°C ![]() ![]() | 23km |
Villas | 70°C ![]() ![]() | 25km |
Margate City | 69°C ![]() ![]() | 26km |
Diamond Beach | 69°C ![]() ![]() | 26km |
** Straight line distance in kilometers

The warmest water today in United States recorded in Mandeville, its value is 90°F. Lowest - in Kotzebue, there water temperature now 34°F. Average water temperature in the country today - 69°F.
Water temperature data in Sea Isle City 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 24 kilometers. This is Cape May County (WWD) airport. We have no information as to whether it is valid and what flights it receives or sends.
Sea Isle City: weather forecast
The weather forecast is shown in local time in Sea Isle City


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