Arctic Air Plunges into the Great Lakes, Northeast and Mid-Atlantic

Arctic air dropping through the northern and eastern U.S. and a storm off the east coast will bring periods of snow, very cold wind chills and hazardous traveling conditions from the Upper Great Lakes to the Northeast. Meanwhile in southern California, Santa Ana winds will decrease but hot, dry air will remain over the area with elevated fire weather conditions.
Read More...

Hazardous Weather Conditions

Last Update: 318 PM EST Wed Dec 13 2017

View Nearby Observations

For More Weather Information:

Miami - South Florida Local Forecast Office

11NM ESE South Palm Beach FL

Marine Zone Forecast


Synopsis: High pressure will build across South Florida the next few days leading to light and somewhat variable winds. A weak frontal passage on Saturday will bring stronger northeasterly flow around 15 knots, veering easterly on Sunday. No significant rain chances through the period.

.GULF STREAM HAZARDS...None.

The approximate location of the west wall of the Gulf Stream as of Dec 12, 2017 at 1200 UTC...

2 nautical miles east northeast of Fowey Rocks. 5 nautical miles east southeast of Port Everglades. 9 nautical miles east southeast of Lake Worth. 7 nautical miles east southeast of Jupiter Inlet.

This data courtesy of the Naval Oceanographic Office.

Tonight
West northwest winds 5 to 10 knots. Seas 2 to 3 feet along the coast and 3 to 5 feet with occasional to 6 feet in the gulf stream. Period 7 seconds. Intracoastal waters a light chop.
Thursday
Along the coast, west winds 5 knots becoming southwest in the afternoon. In the gulf stream, west southwest winds 5 to 10 knots. Seas around 2 feet along the coast and 2 to 4 feet with occasional to 5 feet in the gulf stream. Period 6 seconds. Intracoastal waters a light chop.
Thursday Night
South southwest winds around 5 knots. Seas 2 to 3 feet. Period 6 seconds. Intracoastal waters smooth.
Friday
South southwest winds around 5 knots. Seas around 2 feet. Period 6 seconds. Intracoastal waters smooth.
Friday Night
West southwest winds around 5 knots becoming northwest in the morning. Seas less than 2 feet. Intracoastal waters smooth.
Saturday
Northeast winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters a light chop.
Saturday Night And Sunday
East winds 10 to 15 knots. Seas 2 to 4 feet with occasional seas to 5 feet. Intracoastal waters a moderate chop.
Sunday Night And Monday
East southeast winds 5 to 10 knots along the coast to east southeast 10 to 15 knots in the gulf stream. Seas 2 to 3 feet. Intracoastal waters a moderate chop.
  Click Map For Detailed Forecast

ABOUT THIS FORECAST

Last Update: 318 PM EST Wed Dec 13 2017
  Forecast Discussion
   

RADAR & SATELLITE IMAGES

Link to Local Radar Data Link to Satellite Data