Below Normal Temperatures Continue

A strong cold front will sweep through the East on Wednesday with heavy wet snow from the eastern Great Lakes into northern New England and strong thunderstorms with damaging winds in the Mid-Atlantic and Northeast. The big story though will continue to be the well below average temperatures behind this storm system or east of the Rockies, as numerous record low temperatures are likely.
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Hazardous Weather Conditions

Last Update: 602 AM EDT Wed Apr 21 2021

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New York, NY Local Forecast Office

10NM S New York NY

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH

Synopsis: ANZ300-212315- 602 AM EDT Wed Apr 21 2021 .Synopsis for the Long Island Waters and New York Harbor... A strong cold front will move across the area this afternoon into early this evening. A frontal wave along the front will rapidly deepens, while passing to the west today, heading up into the Canadian Maritimes tonight into Thursday. At the same time, high pressure will build to the south and west of the area Thursday into Friday, passing offshore on Saturday. $$

Today

S winds 10 to 15 kt, becoming W late. Gusts up to 25 kt. Waves 2 to 3 ft. Slight chance of showers early this morning, then chance of showers late this morning and early afternoon. Showers and chance of tstms late with vsby 1 to 3 nm.

Tonight

NW winds 15 to 20 kt with gusts up to 30 kt. Waves 2 to 3 ft.

Thu

W winds 15 to 20 kt with gusts up to 30 kt. Waves 2 to 3 ft.

Thu Night

W winds 15 to 20 kt. Gusts up to 30 kt in the evening. Waves 2 to 3 ft.

Fri

W winds around 15 kt with gusts up to 25 kt. Waves 1 to 2 ft..

Fri Night

W winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Waves 1 ft or less.

Sat

SW winds 5 to 10 kt. Waves 1 ft or less.