Nantucket's lifeguards returned to the beaches today, although it's not exactly a banner day for heading to the water.

Rip currents pose the greatest threat to swimmers, but beachgoers should also be careful about wildlife and sun exposure.

Yellow flags signal medium hazards, including moderate surf and a low to moderate rip current risk. Use caution while swimming, don’t swim alone, and swim near a lifeguard.

The warning flags on the beach follow a stoplight system with green, yellow and red. If caught in a rip current, don’t swim directly back to shore.

Galveston’s Flag Warning System gives you a fast, visual way to know how safe the water is for swimming or what might be ...

It's important to remember that even if the weather is beautiful, it doesn't always mean the water conditions are safe.

A new season brings a new flag system for Corolla Beach Rescue. The agency will be raising two red flags when the ocean is ...

Beachgoers are urged to respect the Gulf and follow flag warnings, especially double-red flags indicating dangerous conditions. PANAMA CITY BEACH — Daryl Paul attributes his department's success ...

The warning flags on the beach follow a stoplight system with green, yellow and red. If caught in a rip current, don’t swim directly back to shore.