Unsettled Across the West; Increasingly Rainy with a Few Storms in the South

A frontal system will bring heavy precipitation, including mountain snowfall to much of the Pacific Northwest, northern California, and portions of the Rockies through Tuesday. Elsewhere, wet weather will return to much of the South with locally heavy rainfall; a few strong to severe thunderstorms will also be possible in this region by Tuesday.
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Coastal Waters Forecast for Coastal waters from the Southwest Pass of the Mississippi River to Port Fourchon Louisiana out 20 NM (GMZ552) (Text-Only)
NWS Forecast for: Coastal waters from the Southwest Pass of the Mississippi River to Port Fourchon Louisiana out 20 NM (GMZ552)
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Last Update: 341 PM CST Mon Dec 18 2017




Tonight: Southeast winds 5 to 10 knots. Seas 2 to 4 feet. Dominant period 6 seconds. Widespread dense fog with the visibility below one mile. Slight chance of showers.

Tuesday: Southeast winds 5 to 10 knots. Seas 1 to 2 feet. Dominant period 6 seconds. Areas of dense fog in the morning with the visibility below one mile. Patchy fog late in the afternoon.

Tuesday Night: South winds 10 to 15 knots. Seas 2 to 4 feet. Dominant period 5 seconds. Patchy fog. Chance of showers through the night.

Wednesday: Southwest winds 10 to 15 knots. Seas 3 to 5 feet. Dominant period 5 seconds. Chance of showers through the day.

Wednesday Night: Northwest winds 10 to 15 knots becoming north 5 to 10 knots after midnight. Seas 2 to 4 feet. Dominant period 5 seconds.

Thursday: Northeast winds near 5 knots becoming southeast in the late morning and afternoon. Seas 1 to 2 feet. Dominant period 5 seconds.

Thursday Night: South winds 10 to 15 knots. Seas 2 to 4 feet. Dominant period 4 seconds.

Friday: South winds 10 to 15 knots. Seas 2 to 4 feet. Dominant period 5 seconds. Chance of showers through the day. Slight chance of thunderstorms in the afternoon.

Friday Night: Southwest winds 15 to 20 knots becoming west after midnight. Seas 3 to 5 feet with occasional seas to 6 feet. Dominant period 5 seconds. Slight chance of thunderstorms in the evening. Chance of showers through the night.

Saturday: North winds 15 to 20 knots becoming northeast 5 to 10 knots late in the afternoon. Seas 3 to 5 feet with occasional seas to 6 feet. Chance of showers.

Saturday Night: East winds 10 to 15 knots. Seas 2 to 4 feet. Chance of showers.



Zone Forecast: Coastal waters from the Southwest Pass of the Mississippi River to Port Fourchon Louisiana out 20 NM (GMZ552)

Visit your local NWS office at: http://www.srh.noaa.gov/lix