Snow, Blowing Snow, and Dangerous Wind Chills from the North Plains to the Northeast

A powerful storm system will moving northeast and offshore later Sunday. An upper level low will continue producing snow and blowing snow from the Upper Midwest to the Northeast, especially, downwind of the Great Lakes. Bitterly cold air will plunge into the Plains following this system, with wind chills as cold as -40 degrees.
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Coastal Waters Forecast for Coastal Waters from Stake Island LA to Southwest Pass of the Mississippi River from 20 to 60 nm (GMZ575) (Text-Only)
NWS Forecast for: Coastal Waters from Stake Island LA to Southwest Pass of the Mississippi River from 20 to 60 nm (GMZ575)
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Last Update: 324 PM CST Sat Jan 18 2020




Tonight: West winds 10 to 15 knots becoming north 20 knots after midnight. Seas 3 to 6 feet with occasional seas to 8 feet. dominant period 8 seconds. Chance of showers.

Sunday: North winds 20 to 25 knots. Seas 4 to 7 feet with occasional seas to 9 feet building to 6 to 10 feet with occasional seas to 11 feet. Dominant period 8 seconds. Slight chance of showers in the morning.

Sunday Night: North winds near 25 knots. Seas 6 to 10 feet with occasional seas to 11 feet. Dominant period 7 seconds.

Monday: North winds 20 to 25 knots. Seas 6 to 10 feet with occasional seas to 11 feet. Dominant period 7 seconds. Waves or seas subsiding to 4 to 7 feet with occasional seas to 9 feet. Dominant period 7 seconds in the afternoon.

Monday Night: North winds 20 to 25 knots. Seas 3 to 6 feet with occasional seas to 8 feet. Dominant period 6 seconds.

Tuesday: Northeast winds near 20 knots. Seas 3 to 6 feet with occasional seas to 8 feet. Dominant period 6 seconds.

Tuesday Night: Northeast winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas to 6 feet. Dominant period 5 seconds.

Wednesday: East winds 15 to 20 knots. Seas 3 to 5 feet.

Wednesday Night: Southeast winds 15 to 20 knots. Seas 3 to 6 feet.

Thursday: Southeast winds 15 to 20 knots. Seas 3 to 6 feet. Chance of showers.

Thursday Night: South winds 15 to 20 knots. Seas 4 to 7 feet with occasional seas to 9 feet. Showers likely.



Zone Forecast: Coastal Waters from Stake Island LA to Southwest Pass of the Mississippi River from 20 to 60 nm (GMZ575)

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