Cape May, located at the southern tip of New Jersey, is a popular destination for beachgoers and water sports enthusiasts. The water temperature in Cape May plays a significant role in determining the best times for swimming, surfing, and other activities. Understanding the factors that influence water temperature and how it varies throughout the year can help you plan your trip and make the most of your time in Cape May.
Key Points
- The average water temperature in Cape May ranges from 37°F (3°C) in February to 72°F (22°C) in August.
- The warmest months for swimming are July and August, with average water temperatures above 70°F (21°C).
- The Atlantic Ocean's water temperature is influenced by the Gulf Stream, which brings warm water from the equator.
- Water temperature can affect the types of fish and other marine life present in the area.
- Checking current water temperature conditions before heading out can help you prepare for your activities and stay safe.
Factors Influencing Water Temperature in Cape May

The water temperature in Cape May is influenced by several factors, including the time of year, ocean currents, and weather patterns. The Gulf Stream, a warm ocean current that originates in the Gulf of Mexico, plays a significant role in moderating the water temperature in Cape May. During the summer months, the Gulf Stream brings warm water from the equator, resulting in higher water temperatures. In contrast, during the winter months, cold water from the North Atlantic dominates, leading to lower water temperatures.
Seasonal Variations in Water Temperature
The water temperature in Cape May varies significantly throughout the year. During the winter months (December to February), the average water temperature is around 37°F (3°C), making it too cold for swimming and other water activities. As the weather warms up in the spring (March to May), the water temperature gradually increases, reaching an average of 50°F (10°C) by May. The summer months (June to August) are the warmest, with average water temperatures ranging from 65°F (18°C) to 72°F (22°C). In the fall (September to November), the water temperature cools down, averaging around 55°F (13°C) by November.
Month | Average Water Temperature (°F) | Average Water Temperature (°C) |
---|---|---|
January | 37 | 3 |
February | 37 | 3 |
March | 42 | 6 |
April | 48 | 9 |
May | 55 | 13 |
June | 65 | 18 |
July | 72 | 22 |
August | 72 | 22 |
September | 68 | 20 |
October | 60 | 16 |
November | 55 | 13 |
December | 45 | 7 |

Tips for Enjoying the Water in Cape May

Based on the seasonal variations in water temperature, here are five tips for enjoying the water in Cape May:
1. Plan your trip during the warmest months: If you're looking to swim or engage in water sports, plan your trip to Cape May during the summer months (June to August) when the water temperature is at its warmest.
2. Check the current water temperature: Before heading out to the beach or engaging in water activities, check the current water temperature to ensure it's safe and comfortable for your planned activities.
3. Be aware of rip currents: Rip currents can occur in Cape May, especially during strong winds or rough seas. Be aware of your surroundings and know how to identify and escape a rip current if you get caught in one.
4. Respect the marine ecosystem: Cape May is home to a diverse range of marine life, including dolphins, whales, and sea turtles. Respect the marine ecosystem by not littering, not touching or standing on coral reefs, and not feeding wildlife.
5. Stay safe in cold water: If you plan to engage in water activities during the colder months, make sure to wear a wetsuit or dry suit to stay warm and safe. Hypothermia can occur quickly in cold water, so it's essential to take necessary precautions.
What is the average water temperature in Cape May during the summer months?
+The average water temperature in Cape May during the summer months (June to August) is around 70°F (21°C).
Are there any precautions I should take when swimming in Cape May?
+Yes, it's essential to check the current water temperature and be aware of rip currents, which can occur in Cape May. Additionally, respect the marine ecosystem by not littering and not touching or standing on coral reefs.
What is the best time to visit Cape May for water sports?
+The best time to visit Cape May for water sports is during the summer months (June to August) when the water temperature is at its warmest. However, if you prefer cooler water, the spring and fall months can also be suitable for water sports.
In conclusion, understanding the water temperature in Cape May is essential for planning your trip and making the most of your time in this beautiful coastal town. By following these five tips and being aware of the factors that influence water temperature, you can enjoy the water in Cape May while staying safe and respecting the marine ecosystem.