Areas Of Locally Heavy Snow And Rain Today

A strong low pressure system over the Great Lakes will produce locally heavy snow and rain, before reaching eastern Canada by tomorrow morning. Heavy snow is expected across the Upper Mississippi Valley and Great Lakes with the arrival of an Arctic air mass, while locally heavy rain is possible along and ahead of the associated cold front over the eastern Ohio Valley and southeastern New England.
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Last Update: 259 PM EST Mon Dec 9 2019

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Tampa Bay, FL Local Forecast Office

38NM SW Pass-a-grille Reef FL

Marine Zone Forecast


Synopsis: High pressure will persist over the waters through Tuesday night. A cold front will move into the northern waters on Wednesday, and then into the central waters Wednesday night where it will stall out through Thursday. Ahead of the front, there is an increasing threat for sea fog across the Nature Coast, which may eventually extend south to the mouth of Tampa Bay. Sea fog may persist through Wednesday morning over the cooler northern shelf waters. As the front moves into the area increasing northeast winds and seas are expected, with a period of Cautionary or near advisory level conditions possible by late Wednesday into Thursday, especially across the central and northern waters.

Tonight
Southeast winds around 10 knots. Seas 2 feet.
Tuesday
Southeast winds around 15 knots. Seas 2 feet. Patchy sea fog late in the afternoon. A slight chance of showers late in the afternoon.
Tuesday Night
South winds around 10 knots. Seas 2 feet. Patchy sea fog early in the evening. A slight chance of showers early in the evening, then a chance of showers in the late evening and overnight.
Wednesday
Southeast winds around 10 knots then becoming east late in the afternoon. Seas 2 feet. A slight chance of showers until late afternoon, then a chance of showers late in the afternoon.
Wednesday Night
Northeast winds 10 to 15 knots increasing to around 20 knots after midnight. Seas 2 to 4 feet. A chance of showers. A slight chance of thunderstorms toward morning.
Thursday
Northeast winds around 20 knots diminishing to 10 to 15 knots in the late morning and afternoon. Seas 2 to 4 feet. A chance of showers and a slight chance of thunderstorms.
Thursday Night
East winds around 15 knots. Seas 2 to 4 feet. A chance of showers in the evening. A slight chance of thunderstorms. A chance of showers toward morning.
Friday
Southeast winds around 15 knots then becoming south 5 to 10 knots late in the afternoon. Seas 2 to 3 feet. A chance of showers and a slight chance of thunderstorms.
Friday Night
South winds 5 to 10 knots then becoming southwest around 15 knots toward morning. Seas 2 to 3 feet. A chance of showers early in the evening. A slight chance of thunderstorms in the evening. Showers likely in the late evening and overnight.
Saturday
West winds around 15 knots. Seas 2 to 3 feet. A chance of showers.
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Last Update: 259 PM EST Mon Dec 9 2019
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