Long Island residents this weekend should be getting at least two more days of pleasant summer weather before a chance of rain arrives Monday.

The National Weather Service said Saturday will be sunny, with a high temperature near 79 degrees. A north wind should blow at 8 to 10 mph.

"High pressure from the Great Lakes will gradually build across the region into this weekend, and then weaken Sunday. . . . A series of low pressure waves [will] move along a frontal boundary to the south Monday through Wednesday night. High pressure returns for Thursday and Friday," according to the weather service's regional forecast Friday evening.

Saturday night on Long Island is expected to be partly cloudy with a low temperature around 61 degrees.

A coastal flood advisory is in effect for southern Nassau from 9 p.m. Saturday through 1 a.m. Sunday. Up to 1½ feet of inundation above ground level is expected in vulnerable areas near the waterfront and shoreline during the Saturday night high tide.

Sunday will be sunny with a high near 81 degrees, according to the weather service.

Monday brings a 40% chance of showers. A chance of showers is also in the forecasts for Tuesday and Wednesday, before Thursday is expected to be mostly sunny. Friday should also be sunny.

The high temperatures during the workweek will be in the high 70s to low 80s, according to the weather service.

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