Save the Sound’s May 19 beach grades show 77% of sampled Long Island Sound beaches earned A or B, but several Westchester shores tested poorly after rain.

Officials say human error at a Long Beach treatment plant sent thousands of gallons into Reynolds Channel. Crews and state regulators are sampling and investigating the release.

Heat Advisory in effect until 8 p.m.; late-afternoon storms possible with gusty winds. Cooling centers are open across the city.

Heat Advisory in effect 11 a.m. May 19–8 p.m. May 20 with highs near 90°F and an ozone Air Quality Advisory. Call 311 for cooling centers.

Clear skies Monday morning and a fast warm-up to the mid-80s. Air Quality Advisory until 11 p.m.; storms may arrive Wednesday.

Sunny Sunday with highs near 79°F; Small Craft Advisory offshore and cold ocean water make boating risky.

Cool, cloudy Friday becomes breezy and partly sunny with a high near 65°F; weekend warms into the 70s and boaters should heed Small Craft Advisories.

Morning showers and isolated thunderstorms are likely with a wet commute. Weekend warms into the 70s–80s, but boaters should beware cold water.

Cloudy and 55°F early Wednesday with gusty south winds. Showers and thunderstorms likely tonight through Thursday with pockets of heavy rain.

Sunny and dry Tuesday, then rain and thunderstorms likely late Wednesday night into Thursday. Weekend turns warm and mostly sunny.

Cloudy and breezy this morning with highs near 65°F. Showers and thunderstorms likely late Wednesday into Thursday.

Dense fog this morning will cut visibility across NYC. Warm afternoon with highs near 78°F and a chance of showers and isolated thunderstorms.

Showers and thunderstorms will drench NYC Saturday. Dense fog overnight may slow Sunday commutes.