The reason: an unusually long stretch of upwelling. That happens when winds push warmer surface water offshore and deeper, colder water rises up to replace it.
People Also Ask
That's because steady southwest winds are pushing warm water away from the beach and pulling colder water up from the bottom of the ocean, experts say.
The Atlantic ocean off New Jersey gets quite chilly during winter. The water temperature averages just 35 °F (2 °C) in February at Atlantic City. But come spring, the sea warms up rapidly. By summer, the ocean at New Jersey beaches is hot enough for an enjoyable swim.
Climate. Jersey's southerly location and sheltered position in the Bay of St Malo mean that we have a generally temperate climate that is often warmer, with more sunshine hours, than you might experience in the other British Isles.
A little cooler than your body temperature (98.6° Fahrenheit) should not be too cold so that you don't get chilled. 70° to 78° Fahrenheit is the range where most folks feel comfortable swimming.
Unfortunately, we have to blame one of the crown jewels of Connecticut, the water. Water takes a lot more energy to heat up and cool down than land does. Because of this, our summers are always cooler right at the beaches, and our winters are typically warmer. Living along the shoreline does have its benefits.