Strong Storms for Midwest; Very Active Weather Pattern for West

Strong thunderstorms with isolated severe hail are possible today across northern Iowa and southern Minnesota today. Otherwise, a very active and wet weather pattern is expected through early next week for the West Coast and Western U.S. A number of Pacific storm systems will deliver enhanced and excessive rainfall along with mountain snow.
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Last Update: 404 AM CDT Wed Oct 20 2021

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19NM SE Grand Isle LA

Marine Zone Forecast


...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON...
Synopsis: High pressure centered northeast of the area will remain in place for the forecast period as it settles in over the western Atlantic.

Today
Southeast winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas to 6 feet. Dominant period 6 seconds. Showers likely and slight chance of thunderstorms in the morning, then showers and thunderstorms in the afternoon.
Tonight
Southeast winds 10 to 15 knots. Seas 3 to 5 feet. Dominant period 7 seconds. Chance of showers in the evening. Slight chance of thunderstorms through the night. Showers likely after midnight.
Thursday
Southeast winds 5 to 10 knots. Seas 3 to 5 feet. Dominant period 7 seconds. Showers likely in the morning. Slight chance of thunderstorms through the day. Chance of showers in the afternoon.
Thursday Night
Southeast winds 5 to 10 knots becoming northeast after midnight. Seas 2 to 4 feet. Dominant period 7 seconds.
Friday
Northeast winds 10 to 15 knots. Seas 2 to 4 feet. Dominant period 7 seconds. Slight chance of showers and thunderstorms in the afternoon.
Friday Night
East winds 10 to 15 knots. Seas 2 to 4 feet. Dominant period 7 seconds.
Saturday
East winds 10 to 15 knots. Seas 2 to 4 feet. Dominant period 7 seconds.
Saturday Night
Southeast winds 15 to 20 knots. Seas 3 to 5 feet. Dominant period 6 seconds.
Sunday
Southeast winds 10 to 15 knots. Seas 3 to 5 feet. Dominant period 6 seconds. Slight chance of showers through the day.
Sunday Night
Southeast winds 10 to 15 knots. Seas 3 to 5 feet. Dominant period 6 seconds. Slight chance of showers.
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ABOUT THIS FORECAST

Last Update: 404 AM CDT Wed Oct 20 2021
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