Severe Thunderstorms and Heavy Rain Exacerbate Ongoing Flooding; Cold and Wintry Continue Out West

A developing wave will bring a threat of severe thunderstorms Saturday from the Arklatex area to the Middle Mississippi Valley; and may produce tornadoes, damaging winds, and large hail; including potential for significant tornadoes and very large hail. Additional heavy rain will increase ongoing flooding. Heavy western mountain and Upper Midwest snow; and ice in the Northeast is also expected.
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Hazardous Weather Conditions

Last Update: 323 PM EST Fri Feb 23 2018

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Miami - South Florida Local Forecast Office

12NM WSW Naples FL

Marine Zone Forecast


Synopsis: High pressure will continue to dominate the weather pattern across South Florida waters. East to southeast winds will continue with wind speeds of 10 to 15 knots for the Gulf and 15 to 20 knots for the Atlantic. Small craft should exercise caution. A few showers are possible, mainly over the Atlantic waters, through the period.

.GULF STREAM HAZARDS...None.

The approximate location of the west wall of the Gulf Stream as of Feb 22, 2018 at 1200 UTC...

11 nautical miles east of Fowey Rocks. 20 nautical miles east southeast of Port Everglades. 6 nautical miles east of Lake Worth. 6 nautical miles east southeast of Jupiter Inlet.

This data courtesy of the Naval Oceanographic Office.

Tonight
East winds 5 to 10 knots. Seas around 2 feet. Period 0 seconds. Bay and inland waters a light chop. A slight chance of showers after midnight.
Saturday
Southeast winds 5 to 10 knots. Seas around 2 feet. Period 0 seconds. Bay and inland waters a light chop. A chance of showers in the morning. A slight chance of showers in the afternoon.
Saturday Night
East southeast winds 5 to 10 knots. Seas around 2 feet. Period 0 seconds. Bay and inland waters a light chop.
Sunday
Southeast winds 5 to 10 knots. Seas around 2 feet. Period 0 seconds. Bay and inland waters a light chop.
Sunday Night
Southeast winds 5 to 10 knots. Seas around 2 feet. Bay and inland waters a light chop.
Monday
South winds 5 to 10 knots. Seas less than 2 feet. Bay and inland waters a light chop. A chance of showers.
Monday Night
Nearshore, southwest winds around 5 knots becoming south southeast 5 knots late in the evening...then becoming variable winds less than 5 knots after midnight becoming east northeast 5 knots in the morning. Offshore, south southwest winds around 5 knots becoming east northeast after midnight. Seas less than 2 feet. Bay and inland waters smooth. A slight chance of showers.
Tuesday
East northeast winds around 5 knots becoming east southeast in the morning...then becoming south southwest 5 knots in the afternoon becoming northwest in the evening. Seas less than 1 foot. Bay and inland waters smooth. A chance of showers.
Tuesday Night
North northwest winds 5 knots becoming east southeast after midnight. Seas less than 1 foot. Bay and inland waters smooth.
Wednesday
South southeast winds 5 knots. Seas less than 2 feet. Bay and inland waters smooth.
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ABOUT THIS FORECAST

Last Update: 323 PM EST Fri Feb 23 2018
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