Increase Risk for Flash and River Flooding Through the Weekend

A storm system will track across the central U.S. and set the stage for severe thunderstorms and widespread heavy rainfall through the weekend. There will be a threat for flash and river flooding for portions of the Southern Plains into the Upper Midwest.
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Last Update: 831 PM EDT THU APR 27 2017

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Tampa Bay, FL Local Forecast Office

6NM NNW Captiva FL

Marine Zone Forecast

IMPORTANT NOTICE TO MARINERS...MARINE FORECASTS ARE ISSUED AT LEAST FOUR TIMES A DAY. BOATERS ON EXTENDED TRIPS SHOULD ROUTINELY MONITOR SUBSEQUENT FORECAST ISSUANCES AND UPDATED FOR THE LATEST MARINE WEATHER INFORMATION. THE WAVE HEIGHTS ARE FORECAST AS SIGNIFICANT WAVE HEIGHT WHICH IS THE AVERAGE OF THE HIGHEST ONE-THIRD OF THE WAVES. THE HIGHEST WAVES MAY RARELY BE TWICE THE SIGNIFICANT WAVE HEIGHT. THE WINDS AND SEAS NEAR THUNDERSTORMS MAY BE HIGHER THAN FORECAST.

Synopsis: HIGH PRESSURE CENTERED OVER THE ATLANTIC WILL CONTINUE TO RIDGE WEST ACROSS SOUTHERN FLORIDA THROUGH THE WEEKEND. THIS WILL KEEP SOUTHEAST TO SOUTH WINDS IN PLACE WITH A SHIFT TO SOUTHWEST NEAR THE COAST EACH AFTERNOON AS THE SEA BREEZE DEVELOPS. WINDS WILL INCREASE TO AROUND EXERCISE CAUTION LEVELS SUNDAY AND MONDAY AS ANOTHER FRONT MOVES INTO THE REGION.

Rest Of Tonight
South winds 5 to 10 knots becoming southeast around 10 knots. Seas 2 feet. Bay and inland waters a light chop.
Friday
Southeast winds around 10 knots becoming south in the afternoon. Seas 2 feet. Bay and inland waters a light chop.
Friday Night
Southeast winds 5 to 10 knots then becoming east around 15 knots after midnight. Seas 2 feet. Bay and inland waters a moderate chop.
Saturday
Southeast winds around 15 knots then becoming around 10 knots in the afternoon. Seas 2 to 3 feet. Bay and inland waters a moderate chop.
Saturday Night
Southeast winds around 15 knots. Seas 2 to 3 feet. Bay and inland waters a moderate chop.
Sunday
Southeast winds around 15 knots. Seas 2 to 4 feet. Bay and inland waters a moderate chop.
Sunday Night
Southeast winds around 15 knots. Seas 2 to 3 feet. Bay and inland waters a moderate chop.
Monday
South winds around 15 knots. Seas 2 to 3 feet. Bay and inland waters a moderate chop. A slight chance of thunderstorms.
Monday Night
South winds around 10 knots. Seas 2 to 3 feet. Bay and inland waters a light chop. A slight chance of thunderstorms.
Tuesday
South winds around 10 knots then becoming southwest around 5 knots in the afternoon. Seas 2 feet. Bay and inland waters a light chop. A slight chance of showers.
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ABOUT THIS FORECAST

Last Update: 831 PM EDT THU APR 27 2017
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