The ideal time to close your pool is when the water temperature consistently drops below 65°F, which in New York usually occurs in September or October. Closing too early, while the water is still warm, can encourage algae growth and make it harder to keep the pool clean through winter. Waiting too long, however, increases the risk of freezing temperatures that can damage your pool’s plumbing, equipment, and structure. To ensure your pool is properly winterized and protected, it’s best to hire experienced professionals for the closing process.

You should close your pool when the water temperature is consistently below 65 degrees Fahrenheit.

Pool cover on a pool with the corner open in Bridgehampton, NY.

When it comes time to close your pool for the winter, the recommended guideline is to wait until the water temperature is consistently below 65°F. At this temperature, algae growth slows dramatically, reducing the chances of dealing with cloudy or green water when reopening in the spring.

Cooler water temperatures also make it easier to maintain balanced water chemistry throughout the off-season, which helps protect your pool’s surfaces and finish. In addition, closing at the right time supports the efficiency and longevity of your pool equipment by preventing unnecessary strain on the filtration and sanitization systems. By waiting until the water is consistently below 65°F, you give your pool the best chance to remain clean, clear, and well-preserved during the winter months.

When the water temperature in your pool is consistently below 65 degrees Fahrenheit, it's time to close it down!

What happens if you close your pool earlier or later than the recommended time?

Closing your pool too early or too late can create problems. If you close too early, while the water temperature is still above 65°F, algae can continue to grow under the cover, leaving you with cloudy or green water in the spring. On the other hand, waiting too long increases the risk of freezing conditions arriving before the pool is winterized. Freezing water can damage pipes, plumbing lines, and equipment, leading to costly repairs. To avoid these issues, it’s best to close your pool once the water has cooled to the recommended temperature range and before the first hard freeze of the season.

Hire professionals to close your pool for the winter.

To ensure that your pool is winterized correctly, it’s best to hire professionals to handle the closing process. Pool care experts have the training, knowledge, and experience to properly winterize your pool and make sure it’s protected for the winter season. They follow a detailed checklist that typically includes cleaning the pool, balancing and stabilizing the water chemistry, lowering the water level if needed, draining lines and equipment, and securely covering the pool. These steps help prevent algae growth, freezing damage, and equipment issues during the off-season. By hiring professionals to close your pool, you can have peace of mind knowing your pool is protected, maintained, and ready to open smoothly in the spring.

Professionals will use high-quality pool covers that are designed to withstand the elements and provide maximum protection for your pool.

Call us today to schedule our pool closing service.

At Elite Pools, we offer a pool closing service to prepare your pool for the winter season. When you schedule our pool closing service, we will shut it down properly to ensure that water can't enter the pipes, freeze, and damage them during the winter. We offer our pool closing service to residential property owners in Bridgehampton, NY, and surrounding areas like Sag Harbor and East Hampton. Give us a call today at (631) 537-5055 to schedule our pool closing service and ensure your pool is properly shut down for the winter season!