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: 315 PM CST Tue Nov 21 2017

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Corpus Christi, TX Local Forecast Office

18NM S Port Aransas TX

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM CST WEDNESDAY THROUGH

Synopsis: A cold front will move into the waters overnight tonight. The front, along with an upper level disturbance, will produce scattered showers with a slight chance for thunderstorms tonight and Wednesday morning. Some of the storms could become strong. Strong offshore flow and higher seas will occur in the wake of the front, with occasional gusts around gale force over portions of the Gulf waters. Rain chances will diminish on Wednesday afternoon as drier air moves into the region. A moderate to strong offshore flow will decrease Wednesday night as the pressure gradient relaxes. A weak to moderate offshore flow is expected Thursday becoming onshore by Friday afternoon. A weak onshore flow is expected through Saturday night. Winds will briefly become easterly to northeasterly Sunday as a cold front moves through the region. Onshore flow returns by Monday morning.

Tonight
Northeast wind around 5 knots becoming 5 to 10 knots late in the evening, then becoming north 15 to 20 knots after midnight increasing to 20 to 25 knots late in the night. Seas 2 to 3 feet building to 4 to 6 feet with occasional seas up to 8 feet after midnight. A slight chance of showers in the evening, then a chance of showers and a slight chance of thunderstorms after midnight.
Wednesday
North wind 20 to 25 knots. Seas 6 to 8 feet with occasional seas up to 10 feet. A chance of showers and a slight chance of thunderstorms in the morning.
Wednesday Night
North wind around 20 knots decreasing to 15 to 20 knots after midnight. Seas 5 to 7 feet with occasional seas up to 9 feet.
Thursday
North wind 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet.
Thursday Night
North wind 5 to 10 knots. Seas 2 to 4 feet with occasional seas up to 5 feet.
Friday
Northwest wind up to 5 knots becoming southeast in the afternoon. Seas 2 feet.
Friday Night
South wind 5 to 10 knots increasing to 10 to 15 knots after midnight. Seas 2 feet.
Saturday
South wind around 10 knots. Seas 2 feet.
Saturday Night
Southeast wind 5 to 10 knots shifting northeast after midnight. Seas 1 feet.
Sunday
Northeast wind 5 to 10 knots becoming around 10 knots in the afternoon. Seas 2 feet.
Sunday Night
East wind around 10 knots. Seas 2 feet.
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ABOUT THIS FORECAST

Last Update: 315 PM CST Tue Nov 21 2017
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