Strong winds and wintry weather for Northern Plains, Upper Midwest

A powerful storm system over southern Canada will track toward the Great Lakes by Sunday. Strong winds and wintry precipitation from this storm will impact the northern Plains and Upper Midwest beginning today. Numerous High Wind Warnings, Wind Advisories even Blizzard Warnings are in effect across this region.
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Last Update: 936 PM EST SAT FEB 6 2016

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Tampa Bay, FL Local Forecast Office

6NM SE Sanibel 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 UPDATES 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.

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM EST SUNDAY THROUGH SUNDAY EVENING...
Synopsis: A PERIOD OF ROUGH BOATING CONDITIONS IS IN THE FORECAST THROUGH AT LEAST THE EARLY PORTION OF THE WEEK. LOW PRESSURE WILL DEEPEN OVERNIGHT NEAR THE FLORIDA EAST COAST AND THEN RAPIDLY INTENSIFY AS IT MOVES NORTHEASTWARD INTO THE WESTERN ATLANTIC OCEAN DURING SUNDAY. THE GRADIENT WILL TIGHTEN OVERNIGHT ON THE BACKSIDE OF THIS SYSTEM ACROSS THE EASTERN GULF...WITH WINDS AND SEAS BUILDING TO ADVISORY LEVELS. ADVISORY LEVEL CONDITIONS WILL PERSIST OVER THE FORECAST WATERS THROUGH MUCH OF SUNDAY BEFORE BRIEFLY SUBSIDING SUNDAY NIGHT AND EARLY MONDAY. THIS DECREASE IN WINDS AND SEAS WILL NOT LAST LONG AS THE NEXT SURGE OF WINDS TO ADVISORY LEVEL ARRIVES OVER THE EASTERN GULF LATER MONDAY INTO MONDAY NIGHT.

Rest Of Tonight
Northwest winds 15 to 20 knots increasing around 20 knots with higher gusts. Seas building to 5 to 7 feet. Bay and inland waters choppy. A chance of showers.
Sunday
Northwest winds around 20 knots with higher gusts. Seas 6 to 8 feet. Bay and inland waters choppy to rough.
Sunday Night
Northwest winds 15 to 20 knots becoming north 10 to 15 knots after midnight. Seas 4 to 6 feet. Bay and inland waters choppy.
Monday
North winds 5 to 10 knots then becoming southwest around 15 knots in the afternoon. Seas 2 to 3 feet. Bay and inland waters a moderate chop.
Monday Night
West winds 20 to 25 knots. Seas 9 to 11 feet. Bay and inland waters rough. A slight chance of showers.
Tuesday
Northwest winds 20 to 25 knots then becoming west around 20 knots in the afternoon. Seas 9 to 11 feet. Bay and inland waters rough.
Tuesday Night
Northwest winds around 20 knots. Seas 6 to 10 feet. Bay and inland waters choppy.
Wednesday
Northwest winds around 15 knots. Seas 5 to 7 feet. Bay and inland waters a moderate chop.
Wednesday Night
North winds around 10 knots. Seas 2 to 4 feet. Bay and inland waters a light chop.
Thursday
Northeast winds around 10 knots. Seas 2 to 3 feet. Bay and inland waters a light chop.
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ABOUT THIS FORECAST

Last Update: 936 PM EST SAT FEB 6 2016
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