Heavy Rainfall Threat for Southern Plains and Mississippi Valley; Mild Temperatures for the East

Widespread showers and thunderstorms with the risk for flash flooding from the Southern Plains to the Mississippi Valley develops on Tuesday. Moisture tracking into the Pacific Northwest will bring heavy lower elevation/coastal rain and mountain snow. Meanwhile, unseasonably warm temperatures continue for the eastern two-thirds of the country.
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Last Update: 117 AM EST Tue Feb 7 2023

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Jacksonville, FL Local Forecast Office

6NM NE Mayport FL

Marine Zone Forecast

Synopsis: High pressure will build northeast of the region today then east of the local waters Wednesday with light east to southeasterly winds. Southerly winds increase Thursday as a warm front lifts north of the area ahead of an approaching cold front. Increasing showers will overspread the waters Friday as the cold front approaches with thunderstorms possible late Friday into Friday night as the front moves through. The cold front will move south of the local waters Saturday trailed by strong offshore flow and a return of Small Craft Advisory conditions into next weekend as high pressure builds west of the region.

.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of Feb 04, 2023 at 1200 UTC...

60 nautical miles east northeast of Flagler Beach. 66 nautical miles east of Saint Augustine Beach. 78 nautical miles east southeast of Jacksonville Beach. 99 nautical miles east southeast of St Simons Island.

This data courtesy of the Naval Oceanographic Office.

Today

East winds 5 to 10 knots. Seas 2 to 3 feet with a dominant period 8 seconds. Intracoastal waters light chop.

Tonight

Southeast winds 5 to 10 knots. Seas 2 to 3 feet with a dominant period 8 seconds. Intracoastal waters light chop.

Wednesday

East winds 5 to 10 knots. Seas 2 to 3 feet with a dominant period 8 seconds. Intracoastal waters light chop.

Wednesday Night

Southeast winds 5 to 10 knots. Seas 3 to 4 feet with a dominant period 8 seconds. Intracoastal waters light chop.

Thursday

South winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas 3 to 5 feet with a dominant period 14 seconds. Intracoastal waters a moderate chop.

Thursday Night

South winds 10 to 15 knots. Seas 3 to 5 feet with a dominant period 13 seconds. Intracoastal waters a moderate chop.

Friday

South winds 10 to 15 knots. Seas 3 to 4 feet.

Friday Night

West winds 10 to 15 knots. Seas 3 to 4 feet.

Saturday

Northwest winds 15 to 20 knots. Seas 3 to 5 feet.

Saturday Night

North winds 15 to 20 knots. Seas 3 to 5 feet.