Heavy rain and isolated severe storms in portions of the West

A storm system will bring rain and thunderstorms to much of the Intermountain West and northern High Plains on Friday. Isolated severe thunderstorms with large hail and damaging winds are possible from northeast California to Wyoming. Heavy rain could lead to flash flooding, especially in the mountains of Wyoming.
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Last Update: 1106 PM EDT THU MAY 5 2016

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New York, NY Local Forecast Office

21NM SW Montauk NY

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EDT FRIDAY...

Synopsis: LOW PRESSURE EAST OF NEW ENGLAND WILL MOVE TOWARD NOVA SCOTIA OVERNIGHT. ANOTHER OFFSHORE LOW WILL MOVE SLOWLY NORTH UP THE MID ATLANTIC COAST FRIDAY INTO SATURDAY. THE LOW WILL BE USHERED OUT TO SEA BY A COLD FRONT ON SUNDAY. HIGH PRESSURE ON MONDAY WILL GIVE WAY TO AN APPROACHING WARM FRONT ON TUESDAY.

Overnight
NE winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to 8 ft. Patchy drizzle. Chance of rain.
Fri
NE winds 20 to 25 kt...becoming E 25 to 30 kt with gusts up to 35 kt in the afternoon. Seas 5 to 8 ft...building to 7 to 10 ft in the afternoon. Rain likely.
Fri Night
E winds 20 to 25 kt with gusts up to 30 kt... Diminishing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 7 to 10 ft...subsiding to 6 to 8 ft after midnight. Rain likely...mainly in the evening.
Sat
E winds 10 to 15 kt with gusts up to 20 kt...becoming S around 5 kt in the afternoon. Seas 6 to 8 ft...subsiding to 4 to 7 ft in the afternoon. Chance of showers.
Sat Night
S winds 5 to 10 kt. Seas 4 to 6 ft. Chance of showers in the evening.
Sun
S winds 10 to 15 kt...becoming W in the afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. Chance of showers.
Sun Night
W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft.
Mon
SW winds 10 to 15 kt...becoming W 5 to 10 kt after midnight. Seas 4 to 6 ft.
Tue
SW winds around 5 kt...increasing to 10 to 15 kt in the afternoon and evening...then diminishing to 5 to 10 kt after midnight. Seas 3 to 4 ft. Chance of rain after midnight.
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Last Update: 1106 PM EDT THU MAY 5 2016
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