Significant Storm Bringing Widespread Winter Weather and Heavy Rainfall Across the Eastern Half of the Country

A storm system moving into the Eastern parts of the country is bringing heavy snow across the Great Lakes and into the Mid-Atlantic and Northeast today. There is also the potential for significant ice accumulations across the northern Mid-Atlantic. To the south, heavy rainfall is producing flash flooding, and river flooding, from the Ohio and Mississippi Valleys to the Deep South.
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Last Update: 239 PM EST Wed Feb 20 2019

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Jacksonville, FL Local Forecast Office

8NM NE Mayport FL

Marine Zone Forecast


...SMALL CRAFT EXERCISE CAUTION DUE TO SEAS...
Synopsis: A warm front across the waters will lift north of the area tonight. Patchy sea fog will be possible at times mainly near the coast tonight and Thursday. Weak high pressure ridge will lift north to central Florida tonight through Friday morning. Another backdoor cold front will move into the coastal Georgia waters late Friday, lifting back north by Saturday. A stronger cold front will move across the region on Sunday. .GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of Feb 18, 2019 at 1200 UTC...

69 nautical miles east of Flagler Beach. 75 nautical miles east of Saint Augustine Beach. 86 nautical miles east of Jacksonville Beach. 99 nautical miles east southeast of St Simons Island.

This data courtesy of the Naval Oceanographic Office.

Tonight
South winds 5 to 10 knots. Seas 4 to 6 feet with occasional seas up to 7 feet. Dominant period 8 seconds. Inland waters smooth. Showers likely in the evening.
Thursday
South southeast winds 5 to 10 knots. Seas 2 to 4 feet. Dominant period 8 seconds. Inland waters a light chop. Areas of fog in the morning.
Thursday Night
South winds 5 to 10 knots. Seas 2 to 4 feet. Dominant period 8 seconds. Inland waters a light chop. A slight chance of showers in the evening.
Friday
Southeast winds 5 to 10 knots. Seas 2 to 4 feet. Dominant period 8 seconds. Inland waters a light chop. A slight chance of showers in the afternoon.
Friday Night
Southeast winds 5 to 10 knots. Seas 2 to 4 feet. Inland waters smooth. A chance of showers.
Saturday
South southeast winds 10 to 15 knots. Seas 2 to 4 feet. Inland waters a light chop. A chance of showers.
Saturday Night
South southwest winds 10 to 15 knots. Seas 2 to 4 feet. Inland waters a light chop. A chance of showers and a slight chance of thunderstorms.
Sunday
West winds 10 to 15 knots. Seas 2 to 4 feet. Inland waters a moderate chop. Showers likely.
Sunday Night
North northwest winds 15 to 20 knots. Seas 2 to 4 feet. Inland waters a moderate chop. A slight chance of showers and thunderstorms.
Monday
Northeast winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Inland waters choppy. A slight chance of showers.
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ABOUT THIS FORECAST

Last Update: 239 PM EST Wed Feb 20 2019
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