Severe Thunderstorms Possible for the Central Gulf Coast; More Storms Move into the West

Strong to severe thunderstorms will be possible over the next several days along the central Gulf Coast and portions of the southeast. Storms may contain damaging winds, large hail and isolated tornadoes. Meanwhile, more storms will bring heavy rain, with heavy snow in the mountains to California and the southern Rockies through the weekend.
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Hazardous Weather Conditions

Last Update: 344 PM EST FRI JAN 20 2017

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Miami - South Florida Local Forecast Office

7NM ENE South Palm Beach FL

Marine Zone Forecast

SEAS ARE PROVIDED AS A RANGE OF THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES...ALONG WITH THE OCCASIONAL HEIGHT OF THE AVERAGE HIGHEST 10 PERCENT OF THE WAVES.

Synopsis: HIGH PRESSURE OVER SOUTH FLORIDA WILL SLOWLY DISSIPATE TONIGHT INTO SATURDAY, AS LOW PRESSURE DEVELOP OVER THE SOUTHERN GULF COAST STATES ON SUNDAY AND MOVES NORTHEAST INTO THE MID ATLANTIC STATES ON MONDAY. THIS WILL ALLOW FOR WINDS TO INCREASE LATE ON SATURDAY BECOMING STRONG AND GUSTY OUT OF THE SOUTHWEST ON SUNDAY AHEAD OF A STRONG COLD FRONT. CONDITIONS WILL QUICKLY DETERIORATE THROUGH THE DAY ON SUNDAY BECOMING HAZARDOUS FOR SMALL CRAFT. GALE CONDITIONS MAY BE POSSIBLE BEHIND THE FRONT LATE SUNDAY NIGHT INTO MONDAY AS WINDS VEER OUT OF THE WEST- NORTHWEST. WINDS AND SEAS ARE FORECAST TO SUBSIDE STARTING TUESDAY.

.GULF STREAM HAZARDS...SEAS COULD BUILD TO 10 FEET SUNDAY NIGHT INTO MONDAY.

THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM AS OF JAN 19, 2017 AT 1200 UTC...

10 NAUTICAL MILES NORTHEAST OF FOWEY ROCKS. 6 NAUTICAL MILES EAST OF PORT EVERGLADES. 11 NAUTICAL MILES SOUTHEAST OF LAKE WORTH. 14 NAUTICAL MILES EAST SOUTHEAST OF JUPITER INLET.

THIS DATA COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.

Tonight
Southwest winds 5 to 10 knots along the coast to southwest 10 to 15 knots in the gulf stream. Seas 2 to 3 feet. Period 8 seconds. Intracoastal waters a light chop.
Saturday
South winds 10 to 15 knots along the coast to south southwest 10 to 15 knots in the gulf stream. Seas 2 to 3 feet. Period 9 seconds. Intracoastal waters a light chop.
Saturday Night
South southwest winds 10 to 15 knots along the coast to south southwest 15 to 20 knots in the gulf stream. Seas 2 to 4 feet with occasional seas to 5 feet. Period 9 seconds. Intracoastal waters a moderate chop. A slight chance of showers after midnight.
Sunday
South southwest winds 15 to 20 knots with gusts to around 30 knots along the coast to south southwest 20 to 25 knots with gusts to around 35 knots in the gulf stream. Seas 2 to 4 feet with occasional seas to 5 feet building to 5 to 7 feet with occasional seas to 9 feet in the afternoon. Period 4 seconds. Intracoastal waters a moderate chop. A slight chance of showers in the morning...then a chance of showers in the afternoon.
Sunday Night
Southwest winds 20 to 25 knots with gusts to around gale force along the coast to southwest 25 to 30 knots with gusts into gale force conditions in the gulf stream. Along the coast, seas 4 to 6 feet with occasional seas to 8 feet. In the gulf stream, seas 6 to 8 feet with occasional seas to 10 feet building to 8 to 10 feet with occasional seas to 13 feet after midnight. Intracoastal waters rough in exposed areas. A chance of thunderstorms in the evening. Showers through the night. thunderstorms after midnight.
Monday
West winds 20 to 25 knots with gusts to around gale force along the coast to west 25 to 30 knots with gusts into gale force conditions in the gulf stream. Seas 3 to 5 feet with occasional seas to 6 feet along the coast and 7 to 9 feet with occasional to 11 feet in the gulf stream. Intracoastal waters rough in exposed areas. A chance of showers.
Monday Night
West northwest winds 15 to 20 knots along the coast to west northwest 20 to 25 knots with gusts to around 35 knots in the gulf stream. Seas 2 to 4 feet with occasional seas to 5 feet along the coast and 7 to 9 feet with occasional to 11 feet in the gulf stream. Intracoastal waters a moderate chop.
Tuesday
West northwest winds 10 to 15 knots along the coast to west northwest 15 to 20 knots in the gulf stream. Seas 2 to 4 feet with occasional seas to 5 feet along the coast and 6 to 8 feet with occasional to 10 feet in the gulf stream. Intracoastal waters a moderate chop.
Tuesday Night
West northwest winds 10 to 15 knots becoming 5 to 10 knots late in the evening. Seas 2 to 3 feet along the coast and 3 to 5 feet with occasional to 6 feet in the gulf stream. Intracoastal waters a light chop.
Wednesday
North northwest winds around 5 knots becoming south southwest in the morning...then becoming south in the afternoon. Seas 2 to 3 feet. Intracoastal waters a light chop.
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ABOUT THIS FORECAST

Last Update: 344 PM EST FRI JAN 20 2017
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