A cold front will bring cloud cover and some relief to Long Islanders who have jammed beaches for the past few days in search of respite from the heat.

Wednesday's high in Islip will be 87 degrees - the same as Tuesday - but temperatures will dip a few degrees to a high of 83 degrees Thursday and Friday, said Joe Pollina, a meteorologist at the National Weather Service in Upton.

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The slight slide in temperature, combined with clouds and expected rainfall, will make for a more bearable weather scenario later in the week, Pollina said. Blistering heat like Monday's high of 90 degrees will be staved off by a 50 percent chance of rain Thursday, he said.

"Later in the week when we have these fronts approaching, we'll be cooler during the day," Pollina said. "That could spell relief for some people."

Since the weather service defines a heat wave as three consecutive days of 90 degrees or higher, the last few days have not constituted a heat wave on Long Island, where highs at Islip lingered in the upper 80s, he said.

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But beachgoers have treated the weather like a heat wave. About 62,000 people in all attended Robert Moses State Park on Monday and Tuesday, compared to 42,000 on a comparable Monday and Tuesday last year, said state parks spokesman George Gorman.

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Hurricane Bill, which was far out over the open Atlantic Ocean Tuesday, could affect weekend beach plans locally with dangerous rip currents, several news services reported.