NEW YORK (CBSNewYork/AP) — Many of the storms forecast for the Tri-State area were headed out to sea late Thursday, but a flash flood warning persisted for southern New Jersey.

A heat advisory was also in effect for New York City earlier in the day, with the humidity making it feel like it’s near 100 in some spots. An air quality alert was also in effect until 10 p.m.

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With the temperatures blazing throgh the day it was a perfect pool day as many lined up outside the Van Courtlandt Park pool Thursday morning.

Underground, it just got hotter as straphangers stood still in the sweltering heat waiting for the subway.

“It’s like 100 degrees smacking you right in the face,” Bronx resident Daniel Diaz told CBS2’s Magdalena Doris. “It’s rough.”

For food cart vendors in Times Square, the heat meant digging into inventory.

“When it gets really hot, drink some water or juice to feel refreshed,” one vendor said.

Others took the early morning opportunity to enjoy the outdoors before the sun rises and temperatures soar.

“I like to walk around the city at night, stay indoors in the day,” one man said. “I kind of have an opposite schedule.”

“I’m sure as the morning gets on, it will get worse,” another woman told WCBS 880’s Marla Diamond. “It’s gonna be a rough day.”

At Don Scala Baseball Camp at Adelphi University, players were sweating it out.

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“It’s really tough at first, I mean a lot of playing, a lot of running around,” Chris Greco told CBS2’s Cindy Hsu.

Scala has been running the camp for 15 years, and while the boys get lots of water breaks, he said the key is to keep them active.

“If you keep moving, you’re going to be fine. if you stand still it’s going to hit you even more, its like being at the beach you’re just taking in the sun it hits you and you really feel it,” he said.

They also cool down with a hose several times a day.

Construction workers said it felt unbearable to be out painting cross walk lines all day.

“Drink a lot of water, stay in the shade as much as you can, but out here it’s tough,” Bobby said.

Dr. Peter Shearer at Mount Sinai said it’s not only workers outside, children, and the elderly who need to be careful.

“There’s also the group of people particularly in the summer months who might be partying more excessively with alcohol and other drugs, alcohol that may not only lead to disorientation, but will also help dehydrate you,” he said.

Officials say people should drink plenty of water, wear light clothing and avoid prolonged exposure outdoors. For those without air conditioning, the city has made cooling centers available for a safe space to go.

“There will be times when it feels like 100 degrees or more,” Mayor Bill de Blasio said. “So this is the chance to remind everyone, spread the word, stay hydrated, stay indoors.”

To find a cooling center, click here.

If you have to be outside, stay hydrated and wear sunscreen. Burn times will be about 15 minutes on Thursday.

Forecasters say cooler air will start moving into the region on Friday.

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(© Copyright 2017 CBS Broadcasting Inc. All Rights Reserved. The Associated Press contributed to this report.)