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: 404 PM CST Mon Nov 20 2017

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Brownsville, TX Local Forecast Office

10NM N Port Isabel TX

Marine Zone Forecast


Synopsis: Surface high pressure over the eastern U.S. will maintain southerly flow through late Tuesday. A cold front will move through the coastal waters early Wednesday morning and bring strong northerly winds and building seas. Small Craft Advisories may be needed on Wednesday. Southeast winds will return by the end of the week as strong high pressure moves into the Southeast U.S..

Tonight
Southeast winds around 5 knots shifting south after midnight. Smooth on the bay. Isolated showers.
Tuesday
Southwest winds around 5 knots becoming south in the afternoon. Smooth on the bay increasing to a light chop in the afternoon.
Tuesday Night
Southeast winds 5 to 10 knots becoming north 10 to 15 knots after midnight. A light chop on the bay increasing to a moderate chop after midnight. Scattered showers and isolated thunderstorms.
Wednesday
North winds 15 to 20 knots. Choppy on the bay. Chance of showers and thunderstorms.
Wednesday Night
North winds 15 to 20 knots diminishing to 10 to 15 knots after midnight. Choppy on the bay subsiding to a moderate chop after midnight. Slight chance of showers and thunderstorms in the evening.
Thursday
North winds 5 to 10 knots. A light chop on the bay.
Thursday Night
North winds 5 to 10 knots becoming northwest after midnight. A light chop on the bay subsiding to smooth after midnight.
Friday
Northwest winds around 5 knots shifting north in the afternoon. Smooth on the bay.
Friday Night
Southeast winds 5 to 10 knots shifting south after midnight. A light chop on the bay.
Saturday
South winds 5 to 10 knots. A light chop on the bay.
Saturday Night
Southeast winds 5 to 10 knots becoming east after midnight. A light chop on the bay subsiding to smooth after midnight.
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ABOUT THIS FORECAST

Last Update: 404 PM CST Mon Nov 20 2017
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