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

8NM W Passage Key Inlet 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 or less. Bay and inland waters a light chop.
Tuesday
South winds around 10 knots. Seas 2 feet. Bay and inland waters a light chop. Patchy sea fog in the afternoon. A slight chance of showers late in the afternoon.
Tuesday Night
Southeast winds around 10 knots. Seas 2 feet. Bay and inland waters a light chop. Patchy sea fog early in the evening. A slight chance of showers in the evening. A chance of showers after midnight, then a slight chance of showers toward morning.
Wednesday
South winds around 10 knots then becoming northeast around 5 knots late in the afternoon. Seas 2 feet. Bay and inland waters a light chop. A slight chance of showers until late afternoon, then a chance of showers late in the afternoon.
Wednesday Night
Northeast winds 5 to 10 knots increasing to around 15 knots in the late evening and overnight. Seas 2 to 3 feet. Bay and inland waters a moderate chop. A chance of showers. A slight chance of thunderstorms toward morning.
Thursday
Northeast winds around 15 knots diminishing to 5 to 10 knots early in the afternoon, then increasing to around 15 knots late in the afternoon. Seas 2 to 3 feet. Bay and inland waters a moderate chop. A chance of showers and a slight chance of thunderstorms.
Thursday Night
East winds around 15 knots. Seas 2 feet. Bay and inland waters a moderate chop. A chance of showers in the evening. A slight chance of thunderstorms.
Friday
Southeast winds around 10 knots. Seas 2 feet. Bay and inland waters a light chop. A slight chance of thunderstorms. A chance of showers in the late morning and afternoon.
Friday Night
South winds around 10 knots. Seas 2 feet. Bay and inland waters a light chop. A chance of showers and a slight chance of thunderstorms in the evening, then showers likely after midnight. A chance of showers toward morning.
Saturday
West winds around 10 knots. Seas 2 feet. Bay and inland waters a light chop. A chance of showers.
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Last Update: 259 PM EST Mon Dec 9 2019
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