Major Storm Arriving Into The Western U.S.

A major Pacific storm system will arrive into the Pacific Northwest and produce locally heavy rain, heavy mountain snow, gusty winds and a slew of marine hazards. This significant storm will dig down the West Coast over the weekend into the Southwestern U.S. For Saturday and Sunday, expect heavy to excessive rainfall along the California coast and widespread heavy mountain snow across the West.
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Last Update: 319 PM CST Fri Dec 9 2022

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19NM SE Grand Isle LA

Marine Zone Forecast


...DENSE FOG ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 10 AM CST SATURDAY...
Synopsis: High pressure will drift east this weekend as a weak cold front moves through the area with scattered showers and a few thunderstorms on Sunday. Onshore flow will strengthen next week ahead of a stronger cold front. The front will sweep through the waters Wednesday night or Thursday morning, with offshore flow setting in behind it.

Tonight
Southeast winds around 5 knots. Seas 1 to 2 feet. Areas of dense fog.
Saturday
East winds 5 to 10 knots. Seas 1 to 2 feet. Areas of fog in the morning.
Saturday Night
Southeast winds 5 to 10 knots. Seas 1 to 2 feet. Patchy fog in the evening. Areas of fog after midnight.
Sunday
South winds 5 to 10 knots. Seas 1 to 2 feet. A slight chance of thunderstorms. A slight chance of showers in the morning, then a chance of showers in the afternoon.
Sunday Night
Southwest winds 5 to 10 knots. Seas 1 to 2 feet. A slight chance of showers and thunderstorms in the evening.
Monday
Northeast winds 5 to 10 knots, becoming east in the afternoon. Seas 1 to 2 feet. A slight chance of showers.
Monday Night
Southeast winds 5 to 10 knots, increasing to 10 to 15 knots after midnight. Seas 2 to 3 feet.
Tuesday
Southeast winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. A slight chance of showers in the morning, then a chance of showers in the afternoon.
Tuesday Night
South winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. A chance of showers. A slight chance of thunderstorms after midnight.
Wednesday
Southwest winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Showers with a slight chance of thunderstorms.
Wednesday Night
West winds 10 to 15 knots, becoming northwest after midnight. Seas 3 to 5 feet, occasionally to 6 feet, subsiding to 2 to 3 feet after midnight. A slight chance of thunderstorms. A chance of showers. winds and seas higher in and near thunderstorms.
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ABOUT THIS FORECAST

Last Update: 319 PM CST Fri Dec 9 2022
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