Heavy Rain and Mountain Snow For the West Coast; Lake Effect Snow in the Great Lakes

A series of Pacific storms will deliver multiple rounds of heavy rain and mountain snow Wednesday into the Thanksgiving holiday weekend. There is an elevated concern for flash flooding, mudslides and debris flows near wildfire burn scars in California. A weak storm system will cross the Great Lakes Wednesday with accumulating Lake Effect snow.
Read More...

Last Update: 315 PM EST Tue Nov 20 2018

View Nearby Observations

For More Weather Information:

Jacksonville, FL Local Forecast Office

8NM ESE Jacksonville Beach FL

Marine Zone Forecast


Synopsis: A weak cold front will push south of the area tonight as high pressure builds northwest of the region through Wednesday. Strengthening onshore winds develop Thursday as high pressure builds over the Carolinas. Low pressure with an associated cold front will move across the region Saturday. Advisory conditions expected Thursday through Saturday.

.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of Nov 20, 2018 at 1200 UTC...

69 nautical miles east of Flagler Beach. 78 nautical miles east of Saint Augustine Beach. 82 nautical miles east of Jacksonville Beach. 94 nautical miles east southeast of St Simons Island.

This data courtesy of the Naval Oceanographic Office.

Tonight
North winds 10 to 15 knots. Seas 2 to 3 feet. Dominant period 9 seconds. Inland waters a light chop.
Wednesday
North winds 10 to 15 knots. Seas 2 to 3 feet. Dominant period 9 seconds. Inland waters a light chop.
Wednesday Night
North northeast winds 10 to 15 knots. Seas 2 to 4 feet. Dominant period 9 seconds. Inland waters a light chop.
Thursday
Northeast winds 15 to 20 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 5 seconds. Inland waters a moderate chop. A chance of showers in the afternoon.
Thursday Night
Northeast winds 20 to 25 knots with gusts to around 35 knots. Seas 5 to 7 feet with occasional seas up to 9 feet. Inland waters rough. Showers likely and a slight chance of thunderstorms.
Friday
East winds 25 to 30 knots. Seas 6 to 9 feet with occasional seas up to 11 feet. Inland waters rough. Showers and a slight chance of thunderstorms.
Friday Night
Southeast winds 15 to 20 knots. Seas 6 to 8 feet with occasional seas up to 10 feet. Inland waters choppy. Showers and a slight chance of thunderstorms.
Saturday
South southwest winds 15 to 20 knots. Seas 5 to 7 feet with occasional seas up to 9 feet. Inland waters choppy. Showers likely and a slight chance of thunderstorms.
Saturday Night
West winds 10 to 15 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Inland waters a light chop. A slight chance of showers.
Sunday
West winds 5 to 10 knots becoming southwest in the afternoon. Seas 2 to 4 feet. Inland waters a light chop. A chance of showers.
  Click Map For Detailed Forecast

ABOUT THIS FORECAST

Last Update: 315 PM EST Tue Nov 20 2018
  Forecast Discussion
   

RADAR & SATELLITE IMAGES

Link to Local Radar Data Link to Satellite Data