Unsettled in the South; Pacific Storm on the West Coast

Showers and a few strong to severe thunderstorms associated with a system in southeastern Texas. A strong and cold Pacific storm will produce heavy rain and heavy mountain snow, and strong, gusty winds for parts of the West coast. Gusty winds ahead of this system may produce critical fire weather threats in the North and Central Plains this weekend. Lake effect snows persist in the Northeast.
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Hazardous Weather Conditions

Last Update: 332 PM EST Fri Mar 5 2021

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Miami - South Florida Local Forecast Office

11NM ESE South Palm Beach FL

Marine Zone Forecast


Synopsis: An mid to upper level low over the Central United States will move southeast and through the Florida Peninsula on Saturday. This will allow for showers and even some thunderstorms to affect the local waters of South Florida. The low will then move east into the Atlantic waters late this weekend into early next week, as high pressure builds into the Western Atlantic waters. There is also a northeast swell affecting the Atlantic waters late this weekend into early next week. This will allow for hazardous marine conditions to set up over the Atlantic waters during this time dominant period. The Gulf waters will also see hazardous marine conditions late this weekend.

.GULF STREAM HAZARDS...Seas will be building to 7 to 10 feet late this weekend into early next week.

The approximate location of the west wall of the Gulf Stream as of Mar 04, 2021 at 1200 UTC...

10 nautical miles east southeast of Fowey Rocks. 11 nautical miles east northeast of Port Everglades. 12 nautical miles east southeast of Lake Worth. 16 nautical miles east northeast of Jupiter Inlet.

This data courtesy of the Naval Oceanographic Office.

Tonight
East northeast winds around 10 knots. Seas 2 to 3 feet. Period 6 seconds. Intracoastal waters a light chop.
Saturday
East winds around 10 knots. Seas around 2 feet. Period 5 seconds. Intracoastal waters a light chop. Slight chance of showers in the morning, then showers likely and slight chance of thunderstorms in the afternoon.
Saturday Night
North winds 10 to 20 knots with gusts to around 25 knots. Along the coast, seas 2 to 3 feet building to 3 to 5 feet with occasional seas to 6 feet after midnight. 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 after midnight. Period 7 seconds. Intracoastal waters a moderate chop. Showers and slight chance of thunderstorms.
Sunday
North northeast winds 15 to 25 knots with gusts to around 30 knots. Seas 5 to 7 feet with occasional seas to 9 feet along the coast and 8 to 10 feet with occasional to 13 feet in the gulf stream. Period 8 seconds. Intracoastal waters a moderate chop. Chance of showers in the morning.
Sunday Night
North northeast winds 20 to 25 knots with gusts to around 30 knots. Seas 5 to 7 feet with occasional seas to 9 feet along the coast and 8 to 10 feet with occasional to 13 feet in the gulf stream. Intracoastal waters rough in exposed areas.
Monday Through Tuesday
East northeast winds 15 to 20 knots with gusts to around 30 knots. Seas 5 to 7 feet with occasional seas to 9 feet along the coast and 6 to 8 feet with occasional to 11 feet in the gulf stream. Intracoastal waters choppy in exposed areas.
Tuesday Night And Wednesday
East northeast winds 15 to 20 knots with gusts to around 25 knots. Seas 4 to 6 feet with occasional seas to 8 feet. Intracoastal waters choppy in exposed areas.
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Last Update: 332 PM EST Fri Mar 5 2021
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