Suffolk County Police Department is advising motorists of road closures and detours in Patchogue, Blue Point, Bayport, Sayville, West Sayville, Oakdale, Great River and the area around Heckscher State Park between 7 a.m. and 2 p.m.

Montauk Highway will be closed between North/South Ocean Avenue in Patchogue and Connetquot Avenue in Great River.

Sunrise Highway Exit 46A will be closed.

Southbound Nicolls Road will be closed at Church Street in Bayport.

Southbound Broadway Avenue will be closed south of Sunrise Highway in Sayville.

Great River Road in Great River will be closed south of Montauk Highway.

In addition to the road closures, parking is prohibited between 4 a.m. and 2 p.m. on Montauk Highway between North/South Ocean Avenue in Patchogue and Connetquot Avenue in Great River. Additionally, there is no parking along Great River Road, River Road and Timber Point Road, east of Maynard Lane, in Great River. Vehicles will be towed.