Severe Thunderstorm and Flash Flooding Threats in the South

Organized severe thunderstorms capable of producing mainly large hail and perhaps damaging winds are expected across portions of Louisiana this afternoon with a second round further west tonight. Heavy thunderstorms may lead to flash flooding over portions of the northern Gulf Coast today through Saturday. Several inches of excessive rainfall are possible with Flash Flood Watches in effect.
Read More...

En Español

Last Update: 354 PM EDT Tue Apr 13 2021

View Nearby Observations

For More Weather Information:

Melbourne, FL Local Forecast Office

37NM ENE St. Lucie Inlet FL

Marine Zone Forecast

Synopsis: Weak high pressure will build offshore through mid week. Another cold front will push into the area Thursday and stall across south Florida Friday. The front will return slowly northward this weekend, becoming stationary across north central Florida and the adjacent Atlantic waters.

.GULF STREAM HAZARDS...None.

The approximate location of the west wall of the Gulf Stream based on the Real Time Ocean Forecast System as of Tuesday, April 13th.

41 nautical miles east of Ponce Inlet. 30 nautical miles east of Port Canaveral. 27 nautical miles east of Sebastian Inlet. 19 nautical miles east of Fort Pierce Inlet. 12 nautical miles east of Saint Lucie Inlet.

Tonight

East winds 10 to 15 knots. Seas 3 to 4 feet with a dominant period 6 seconds.

Wednesday

East winds 10 knots. Seas 3 to 5 feet with a dominant period 7 seconds.

Wednesday Night

Southeast winds 10 to 15 knots becoming south after midnight. Seas 4 to 5 feet with a dominant period 8 seconds.

Thursday

North winds 10 to 15 knots becoming south in the afternoon. Seas 4 to 6 feet.

Thursday Night

Southwest winds 15 to 20 knots becoming west 10 to 15 knots after midnight. Seas 4 to 6 feet.

Friday

Southwest winds 5 to 10 knots becoming south in the afternoon. Seas 3 to 4 feet. Slight chance of showers. Slight chance of thunderstorms in the afternoon.

Friday Night

South winds 5 to 10 knots becoming southwest after midnight. Seas 2 to 3 feet.

Saturday

South winds 10 to 15 knots. Seas 2 to 3 feet.

Saturday Night

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

Sunday

Southwest winds 10 to 15 knots becoming south in the afternoon. Seas 2 to 3 feet. Slight chance of showers and thunderstorms.