Heavy Snow & Ice Across Portions of the Plains and Midwest; Unsettled in the Pacific Northwest

Heavy snow and freezing rain will impact portions of the Plains, upper Midwest, and Great Lakes into Monday. Significant snow accumulations and gusty winds are likely in some areas. Farther to the south, rain and a few thunderstorms are expected over the Mississippi, Tennessee, and Ohio Valleys. Heavy rain & mountain snowfall will also continue from northern California into the Pacific Northwest.
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Hazardous Weather Conditions

Last Update: 922 PM EST Sat Jan 20 2018

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Miami - South Florida Local Forecast Office

9NM E South Palm Beach FL

Marine Zone Forecast


Synopsis: High pressure centered north of the region is forecast to maintain moderate easterly flow across the region through the beginning of the upcoming week. Winds will become more variable on Tuesday as a cold front is forecast to move into the area, before increasing out of the east-northeast mid to late week. The presence of the front will also bring a return of shower chances to the region for most of the upcoming week.

.GULF STREAM HAZARDS...none.

The approximate location of the west wall of the Gulf Stream as of Jan 19, 2018 at 1200 UTC...

6 nautical miles east southeast of Fowey Rocks. 12 nautical miles east northeast of Port Everglades. 5 nautical miles east of Lake Worth. 11 nautical miles east of Jupiter Inlet.

This data courtesy of the Naval Oceanographic Office.

Rest Of Tonight
East winds 10 to 15 knots. Seas 2 to 4 feet with occasional seas to 5 feet. Period 4 seconds. Intracoastal waters a moderate chop.
Sunday
East winds 15 to 20 knots. Seas 2 to 4 feet with occasional seas to 5 feet. Period 4 seconds. Intracoastal waters choppy in exposed areas.
Sunday Night
East winds 15 to 20 knots. Seas 2 to 4 feet with occasional seas to 5 feet. Period 5 seconds. Intracoastal waters choppy in exposed areas.
Monday
East winds 10 to 15 knots. Seas 2 to 3 feet. Period 4 seconds. Intracoastal waters a moderate chop.
Monday Night
East southeast winds 10 to 15 knots becoming around 5 knots in the morning. Seas 2 to 3 feet. Intracoastal waters a moderate chop.
Tuesday
Southeast winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters a light chop. A chance of showers.
Tuesday Night
Northeast winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters a light chop. A chance of showers.
Wednesday And Wednesday Night
North northeast winds 15 to 20 knots. Seas 2 to 4 feet with occasional seas to 6 feet. Intracoastal waters choppy in exposed areas. A slight chance of showers.
Thursday
Northeast winds around 20 knots. Seas 4 to 6 feet with occasional seas to 8 feet. Intracoastal waters choppy in exposed areas. A slight chance of showers.
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ABOUT THIS FORECAST

Last Update: 922 PM EST Sat Jan 20 2018
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