Heavy Rain in the Central Gulf; Wintry in Central Rockies and Northeast

Showers and thunderstorms forming along a stalled front may produce isolated strong to severe thunderstorms and heavy rain that could cause flooding in the Central Gulf. A late season winter storm will continue producing hazardous travel in the Central Rockies and into the High Plains. A coastal storm is bringing wintry conditions and gusty winds to parts of the Northeast.
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Last Update: 940 AM CDT Fri Apr 16 2021

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19NM SE Grand Isle LA

Marine Zone Forecast


...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 PM CDT THIS EVENING...
Synopsis: A stationary front will linger along the coast through tonight. This front will eventually move south of the waters on Saturday and high pressure will build into the waters next week.

Rest Of Today
East winds near 10 knots rising to 15 to 20 knots in the late morning and afternoon. Seas 3 to 5 feet. Dominant period 6 seconds. Chance of showers and slight chance of thunderstorms early in the morning.
Tonight
Southeast winds 15 to 20 knots becoming south 5 to 10 knots after midnight. Seas 2 to 4 feet. Dominant period 5 seconds. Slight chance of showers after midnight.
Saturday
Southwest winds 5 to 10 knots becoming west late in the morning, then becoming northwest early in the afternoon becoming north 15 to 20 knots late in the afternoon. Seas 2 to 4 feet. Dominant period 5 seconds. Chance of showers and thunderstorms.
Saturday Night
Northeast winds 15 to 20 knots. Seas 3 to 6 feet. Dominant period 4 seconds. Chance of showers in the evening. Slight chance of thunderstorms through the night. Showers likely after midnight.
Sunday
Northeast winds 15 to 20 knots. Seas 3 to 5 feet. Dominant period 4 seconds. Slight chance of thunderstorms in the morning. Chance of showers through the day.
Sunday Night
Northeast winds 15 to 20 knots. Seas 2 to 4 feet. Dominant period 4 seconds. Chance of showers.
Monday
Northeast winds 15 to 20 knots. Seas 2 to 4 feet. Dominant period 4 seconds. Slight chance of showers.
Monday Night
Northeast winds 10 to 15 knots. Seas 2 to 4 feet. Dominant period 7 seconds. Slight chance of showers.
Tuesday
Northeast winds 10 to 15 knots. Seas 2 to 4 feet. Slight chance of showers through the day.
Tuesday Night
North winds 10 to 15 knots. Seas 2 to 4 feet.
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ABOUT THIS FORECAST

Last Update: 940 AM CDT Fri Apr 16 2021
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