Heavy Rain and Mountain Snow This Week Northwest To Rockies; Heavy Rain May Bring Flooding to Portions of the East Late Week

At least two storm systems will batter the Pacific Northwest into the northern Rockies this week with heavy rain and mountain snow. The first system may bring as much as two feet of snow to the northern Cascades through Wednesday. This first system will then move over the central US by late week and bring heavy to excessive rain to portions of the south and east Thursday into this weekend.
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Last Update: 1013 AM EST Tue Dec 11 2018

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Tampa Bay, FL Local Forecast Office

25NM SW Pass-a-grille Reef FL

Marine Zone Forecast

...SMALL CRAFT EXERCISE CAUTION...

Synopsis: High pressure...with robust winds across some of the coastal waters this afternoon...tracks along the Gulf coast with winds beginning to veer and diminish tonight. The high pressure continues moving east through the end of the week as a cold front approaches Friday with thunderstorms and increasing winds.

This Afternoon
North winds 15 to 20 knots diminishing to 10 to 15 knots in the afternoon. Seas 3 to 5 feet.
Tonight
Northeast winds around 15 knots. Seas 2 to 4 feet.
Wednesday
East winds around 15 knots then becoming northeast 5 to 10 knots in the afternoon. Seas 2 to 3 feet.
Wednesday Night
East winds around 15 knots. Seas 2 feet.
Thursday
East winds around 15 knots. Seas 2 to 3 feet.
Thursday Night
Southeast winds 10 to 15 knots increasing to around 20 knots after midnight. Seas 2 to 4 feet. Showers likely and a chance of thunderstorms.
Friday
South winds around 20 knots then becoming southwest in the afternoon. Seas 4 to 6 feet. Showers likely and a chance of thunderstorms.
Friday Night
West winds around 20 knots. Seas 9 to 11 feet. A chance of showers.
Saturday
West winds around 20 knots. Seas 9 to 11 feet. A slight chance of showers.
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ABOUT THIS FORECAST

Last Update: 1013 AM EST Tue Dec 11 2018
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