Significant Snowfall for Washington Cascades and Northern Rocky Mountains

A cold front will linger for several days from the Pacific Northwest to portions of the northern Plains early this week. Cold temperatures and copious moisture will combine to produce several feet of snow into the mountain passes, with up to 4 feet of snow down to 4000 feet in the northern Rockies. Travel through mountain passes will be very difficult.
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Coastal Waters Forecast for Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya River LA from 20 to 60 NM (GMZ570) (Text-Only)
NWS Forecast for: Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya River LA from 20 to 60 NM (GMZ570)
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Last Update: 900 PM CST Sun Dec 17 2017




Tonight: South winds 10 to 15 knots. Seas 2 to 4 feet. Dominant period 6 seconds. Chance of showers through the night.

Monday: South winds 5 to 10 knots becoming southeast late in the afternoon. Seas 2 feet. Dominant period 6 seconds. Slight chance of showers through the day.

Monday Night: Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Dominant period 6 seconds. Slight chance of showers in the evening. Patchy fog in the evening. Areas of fog after midnight.

Tuesday: Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Dominant period 6 seconds. Slight chance of showers.

Tuesday Night: South winds 10 to 15 knots. Seas 3 to 4 feet. Dominant period 6 seconds. Chance of showers.

Wednesday: West winds 10 to 15 knots. Seas 3 to 4 feet. Dominant period 6 seconds. Chance of showers.

Wednesday Night: Northwest winds 10 to 15 knots. Seas 3 to 4 feet. Dominant period 6 seconds.

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

Thursday Night: South winds 10 to 15 knots. Seas 3 feet. Dominant period 5 seconds.

Friday: South winds near 15 knots. Seas 3 to 5 feet. Slight chance of showers.

Friday Night: South winds 10 to 15 knots. Seas 3 to 4 feet. Showers likely.



Zone Forecast: Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya River LA from 20 to 60 NM (GMZ570)

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