NASSAU COUNTY, N.Y. (PIX11) — Swimmers are advised to stay out of the water at dozens of beaches in New York ahead of Labor Day.

The Nassau County Department of Health issued the advisory on Sunday as a precaution for beaches known to be impacted by stormwater runoff caused by heavy rainfall.

Stormwater runoff can affect bathing water quality by raising bacteria levels.

List of beaches under no‑swimming advisory in Nassau County

Centre Island Sound – Bayville

Creek Club – Lattingtown

Crescent Beach – Glen Cove

Lattingtown Beach – Lattingtown

Laurel Hollow Beach – Laurel Hollow

Morgan Memorial Park Beach – Glen Cove

North Hempstead Beach Park – Port Washington

Piping Rock Beach Club – Locust Valley

Pryibil Beach – Glen Cove

Ransom Beach – Bayville

Theodore Roosevelt Beach – Oyster Bay

Sea Cliff Village Beach – Sea Cliff

Sea Cliff Yacht Club Beach – Sea Cliff

Soundside Beach – Bayville

Stehli Beach – Bayville

Tappen Beach – Glenwood Landing

The advisory is expected to be lifted at 9 a.m. on Monday.