Severe Weather and Heavy Rain Shifts Into East

A strong and organized storm system will progress from the Ohio and Tennessee Valleys into the East. Expect severe weather with damaging winds across the Mid-Atlantic and Southeast, while the excessive rain risk moves from the Ohio Valley into the Northeast. Also, heat builds in parts of Texas and a cold storm system will carve into the northern Rockies for possible higher elevation snowfall.
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Hazardous Weather Conditions

Last Update: 946 AM EDT Thu Jun 20 2019

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New York, NY Local Forecast Office

17NM SE Islip NY

Marine Zone Forecast

...DENSE FOG ADVISORY IN EFFECT UNTIL NOON EDT TODAY...

Synopsis: ANZ300-210215- 946 AM EDT Thu Jun 20 2019 .Synopsis for the Long Island Waters and New York Harbor... A warm front lifts north of the waters today. Low pressure and a trailing cold front approach this afternoon and move across tonight. The low and cold front move offshore Friday with high pressure returning for the weekend. The next frontal system early next week. $$

Today

S winds 10 to 15 kt. Seas 3 to 4 ft. Slight chance of showers late this morning and early afternoon, then chance of showers and tstms late. Areas of fog late this morning. Patchy fog this afternoon. Vsby less than 1 nm, increasing to 1 to 3 nm this afternoon.

Tonight

SW winds 10 to 15 kt. Seas 4 to 5 ft. Chance of tstms. Chance of showers in the evening, then showers likely after midnight. Patchy fog. Vsby 1 to 3 nm.

Fri

NW winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 5 ft. Chance of showers in the morning.

Fri Night

NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft.

Sat

NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft.

Sat Night

NW winds 10 to 15 kt. Seas around 2 ft.

Sun

W winds around 10 kt. Seas around 2 ft.

Sun Night

SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft.