Long Island weather: Coastal storm offshore churns up surf, brings rain and minor flooding

You may want to bundle up and head out with rain gear as you start your workweek. 

The National Weather Service had issued a coastal flood advisory from noon to 4 p.m. Monday in Southwestern Suffolk, warning of possible flooding in low-lying properties and areas near shorelines.

Monday's high near 45, was accompanied by light rain. More rain is likely Monday night, mainly after 9 p.m. The chance of precipitation is 80 percent and the low is expected to be in the high 30s, the weather service said. 

There is a 30 percent chance of rain before 9 a.m. Tuesday, which should be partly sunny, with a high near 50, the weather service said. Tuesday night is mostly cloudy, with a low around 38. The northwest wind of 5 to 7 mph becomes calm in the evening.

Wednesday also should be partly sunny, with a high near 48. Wednesday night is mostly clear, with a low around 34, the weather service says.

Thursday is not only sunny but the thermometer will rise, with a high near 50.   Thursday night is mostly cloudy, with a low around 41.

Showers likely return Friday, with a 30 percent chance before noon. Friday is mostly cloudy, with a high near 56. Friday night is partly cloudy, with a low around 33.

The weekend looks sunnier, with Saturday's high near 47, and Sunday's high near 50.