The National Weather Service has issued a coastal flood statement for South Shore bays in both Nassau and western Suffolk, in effect through noon Wednesday, in anticipation of rain that's heading this way Tuesday into early Wednesday.
Localized minor flooding is expected at high-tide times Tuesday morning and evening, the weather service said, leading to "brief inundation of [the] most vulnerable shore roads and adjacent properties."
Around a quarter to just over a third of an inch -- and possibly higher -- is expected in total, with a weak disturbance moving through Tuesday bringing the chance of a passing shower. That will be followed by a cold front and a better chance for widespread rain and possibly associated thunder later in the evening, said Joe Pollina, weather service meteorologist in Upton.
Temperatures Tuesday are expected to be in the lower 70s, with lower to mid-70s Wednesday, he said.
Chance of rain after noon on Tuesday is about 30 percent and climbs to 70 percent Tuesday night.
From late Tuesday into 3 a.m. Wednesday, there is a 40 percent chance of rain.
Clearing Wednesday should start after 9 a.m., the service said. Most of Wednesday should be sunny and warm, with daytime highs expected to reach the low to mid-70s.