Heavy precipitation for parts of the Pacific Northwest

Moisture will continue to stream into the Pacific Northwest for the next several days. Heavy rain will continue along the coast, while heavy snow will impact the highest elevations of the Cascades. In the northern Plains and Upper Great Lakes, more arctic air will bring periods of snow, blustery winds and cold wind chills. Light snow is also possible in New England and the Ohio Valley.
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Last Update: 830 PM EST Mon Nov 20 2017

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Tampa Bay, FL Local Forecast Office

6NM E Boca Grande FL

Marine Zone Forecast


Synopsis: High pressure will move east across the southeastern U.S. and into the Atlantic Ocean tonight as an area of low pressure develops over the Gulf of Mexico. As this low develops the stalled frontal boundary across the Florida Straits will lift back to the north as a warm front on Tuesday. Increasing moisture combined with the warm front and developing low pressure over the Gulf will bring increasing rain chances and isolated thunderstorms to the Gulf waters on Tuesday and continuing through the end of the week as this storm system continues to affect the region.

Rest Of Tonight
East winds around 10 knots. Bay and inland waters a light chop. A slight chance of showers after midnight.
Tuesday
East winds around 10 knots becoming southwest late in the afternoon. Bay and inland waters a light chop. A chance of showers and a slight chance of thunderstorms.
Tuesday Night
Southeast winds 5 to 10 knots becoming northeast in the late evening and overnight. Bay and inland waters smooth. a slight chance of thunderstorms in the evening.
Wednesday
Northeast winds 5 to 10 knots becoming northwest in the afternoon. Bay and inland waters smooth. A slight chance of thunderstorms in the afternoon.
Wednesday Night
Northwest winds 5 to 10 knots becoming northeast after midnight. Bay and inland waters smooth. A chance of showers and a slight chance of thunderstorms.
Thursday
Southeast winds 5 to 10 knots becoming west late in the afternoon. Bay and inland waters smooth. A chance of showers and a slight chance of thunderstorms.
Thursday Night
North winds 5 to 10 knots becoming east after midnight. Bay and inland waters smooth. Showers likely and a slight chance of thunderstorms.
Friday
East winds 5 to 10 knots becoming southeast late in the afternoon. Bay and inland waters smooth. Showers likely and a slight chance of thunderstorms.
Friday Night
South winds 5 to 10 knots becoming east late in the evening, then becoming north around 10 knots after midnight. Bay and inland waters a light chop. A slight chance of thunderstorms.
Saturday
Northwest winds around 10 knots. Bay and inland waters a light chop.
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ABOUT THIS FORECAST

Last Update: 830 PM EST Mon Nov 20 2017
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