Heavy rain, mountain snow and strong winds in the western U.S. this week

The western U.S. will experience active weather yet again this week as significant Pacific moisture brings rain and mountain snow to the region. This heavy rain will bring flood concerns to parts of WA, OR and CA. Very heavy snow is possible in the Sierra, Cascades, Great Basin and parts of the northern Rockies.
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Last Update: 858 AM EST WED JAN 18 2017

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New York, NY Local Forecast Office

17NM SE Islip NY

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON...

Synopsis: WEAK LOW PRESSURE PASSING SOUTH OF LONG ISLAND EARLY THIS MORNING WILL MOVE OUT TO SEA AND GRADUALLY STRENGTHEN THROUGH TONIGHT. MEANWHILE WEAK HIGH PRESSURE WILL BUILD FROM THE WEST TONIGHT INTO THURSDAY...AND SETTLE OVERHEAD THURSDAY NIGHT INTO EARLY FRIDAY. A WEAKENING FRONTAL SYSTEM WILL APPROACH FRIDAY NIGHT INTO SATURDAY...AND THEN DISSIPATE. STRENGTHENING LOW PRESSURE WILL APPROACH FROM THE SOUTHWEST ON SUNDAY WHILE A GRADUALLY STRENGTHENING HIGH BUILDS INTO THE CANADIAN MARITIMES.

Today
NE winds 15 to 20 kt with gusts up to 30 kt...becoming N 15 to 20 kt with gusts up to 25 kt late this morning and early afternoon. Seas 3 to 5 ft. Light rain or drizzle likely...mainly this morning. Patchy fog. Vsby 1 to 3 nm.
Tonight
N winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. Chance of light rain or drizzle in the evening. Vsby 1 to 3 nm.
Thu
NW winds 5 to 10 kt. Seas 4 to 6 ft.
Thu Night
N winds 5 to 10 kt. Seas 3 to 5 ft.
Fri
NE winds around 5 kt. Seas 2 to 4 ft.
Fri Night
E winds around 5 kt...becoming SE after midnight. Seas 2 to 4 ft. Chance of rain.
Sat
W winds 5 to 10 kt...becoming NW after midnight. Seas around 3 ft.
Sun
NE winds 10 to 15 kt...becoming E 15 to 20 kt. Seas 3 to 5 ft...building to 5 to 8 ft. Chance of rain.
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ABOUT THIS FORECAST

Last Update: 858 AM EST WED JAN 18 2017
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