Deep Cold Trough Meets Gulf Moisture with Significant Impacts Across the Western and Central U.S.

A deep trough and associated cold front is bringing much below normal temperatures in the west, with low elevation snows. Strong winds and widespread snow, will impact the Great Basin, western mountains, and the Plains. The slowing front, will bring prolonged waves of heavy rain across the Mississippi Valley to the Great Lakes. Significant icing forecast north of the heavy rain. Big warm up east.
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Last Update: 334 PM EST Mon Feb 19 2018

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Miami - South Florida Local Forecast Office

11NM ESE South Palm Beach FL

Marine Zone Forecast


...SMALL CRAFT ADVISORY FOR WINDS IN EFFECT THROUGH TUESDAY MORNING...
Synopsis: The strengthening western Atlantic ridge axis will remain to our north through late week, bringing moderate to fresh east winds to the local waters. Winds will be a little stronger over the Atlantic and Biscayne Bay waters, with the potential for advisory conditions at times. Isolated showers are possible through tonight.

.GULF STREAM HAZARDS...Winds up to 25 knots tonight through Tuesday morning.

The approximate location of the west wall of the Gulf Stream as of Feb 17, 2018 at 1200 UTC...

9 nautical miles northeast of Fowey Rocks. 13 nautical miles east southeast of Port Everglades. 9 nautical miles east southeast of Lake Worth. 12 nautical miles east of Jupiter Inlet.

This data courtesy of the Naval Oceanographic Office.

Tonight
East southeast winds around 20 knots. Seas 3 to 5 feet with occasional seas to 6 feet. Period 5 seconds. Intracoastal waters rough in exposed areas. A chance of showers in the evening. A slight chance of showers after midnight.
Tuesday
East southeast winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas to 6 feet. Period 6 seconds. Intracoastal waters choppy in exposed areas.
Tuesday Night
East southeast winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas to 6 feet. Period 5 seconds. Intracoastal waters choppy in exposed areas.
Wednesday
East southeast winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas to 6 feet. Period 5 seconds. Intracoastal waters choppy in exposed areas.
Wednesday Night
East winds 15 to 20 knots. Seas 4 to 6 feet with occasional seas to 8 feet. Intracoastal waters choppy in exposed areas.
Thursday And Thursday Night
East winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas to 6 feet. Intracoastal waters choppy in exposed areas. A slight chance of showers.
Friday
East winds 10 to 15 knots along the coast to east 15 to 20 knots in the gulf stream. Seas 3 to 5 feet with occasional seas to 6 feet. Intracoastal waters choppy in exposed areas.
Friday Night And Saturday
East southeast winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas to 6 feet. Intracoastal waters a moderate chop.
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ABOUT THIS FORECAST

Last Update: 334 PM EST Mon Feb 19 2018
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