Storms Moving Through the Pacific Northwest, Northern Plains and Great Lakes

A series of storm systems will continue bring heavy snowfall to much of the Inter-mountain West through the weekend. Snow will also continue in the northern Plains and spread into the Great Lakes and Northeast States by Sunday. Heavy lake-effect snow will continue today before tapering off by Sunday.
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Last Update: 400 PM EST SAT DEC 10 2016

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Miami - South Florida Local Forecast Office

9NM E Virginia Key FL

Marine Zone Forecast

SEAS ARE PROVIDED AS A RANGE OF THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES...ALONG WITH THE OCCASIONAL HEIGHT OF THE AVERAGE HIGHEST 10 PERCENT OF THE WAVES.

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY EVENING...
Synopsis: STRONG AND GUSTY EAST-NORTHEAST WINDS WILL CONTINUE TO LEAD TO ROUGH SEAS AND HAZARDOUS BOATING CONDITIONS OVER THE LOCAL GULF AND ATLANTIC WATERS INTO SUNDAY. CONDITIONS WILL IMPROVE INTO MONDAY AS WINDS DIMINISH AND SHIFT SOUTHEASTERLY. PERIODIC SHOWERS WILL CONTINUE TO AFFECT THE WATERS AT TIMES, MAINLY OVER THE ATLANTIC.

.GULF STREAM HAZARDS...EAST-NORTHEAST WINDS 20-25 KNOTS WITH GUSTS OF 30-35 KNOTS. SEAS 7-10 FEET.

THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM AS OF DEC 10, 2016 AT 1200 UTC...

3 NAUTICAL MILES NORTHEAST OF FOWEY ROCKS. 7 NAUTICAL MILES SOUTHEAST OF PORT EVERGLADES. 8 NAUTICAL MILES NORTHEAST OF LAKE WORTH. 8 NAUTICAL MILES NORTHEAST OF JUPITER INLET.

THIS DATA COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.

Tonight
East northeast winds 20 to 25 knots with occasional gusts to around 35 knots. Seas 7 to 9 feet with occasional seas to 11 feet. Dominant period 8 seconds. Intracoastal waters rough in exposed areas. Numerous showers.
Sunday
East winds 20 to 25 knots. Seas 7 to 9 feet with occasional seas to 11 feet subsiding to 5 to 7 feet with occasional seas to 9 feet in the afternoon. Dominant period 7 seconds. Intracoastal waters rough in exposed areas. Showers likely in the morning...then a chance of showers in the afternoon.
Sunday Night
East southeast winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas to 6 feet. Dominant period 5 seconds. Intracoastal waters a moderate chop. A chance of showers.
Monday
Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Dominant period 6 seconds. Intracoastal waters a moderate chop. A chance of showers.
Monday Night
East southeast winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters a light chop. A chance of showers.
Tuesday
East southeast winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters a light chop. A slight chance of showers.
Tuesday Night
Southeast winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters a light chop. A slight chance of showers.
Wednesday
Southeast winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters a light chop.
Wednesday Night
South southeast winds around 5 knots becoming southwest in the morning. Seas less than 2 feet. Intracoastal waters smooth. A slight chance of showers.
Thursday
North northeast winds around 5 knots. Seas around 2 feet. Intracoastal waters smooth. A slight chance of showers.
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ABOUT THIS FORECAST

Last Update: 400 PM EST SAT DEC 10 2016
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