Heavy Lake Effect Snow and Bitterly Cold Temperatures

A bitterly cold airmass will settle over much of the central and eastern U.S over the next several days. Well below normal temperatures and cold wind chills will be common. In addition, heavy lake effect snow will be possible especially downwind of Lakes Erie and Ontario, where up to one foot of additional snow is forecast by Sunday morning.
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Last Update: 212 AM PST FRI FEB 12 2016

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23NM SSW San Francisco CA

Marine Zone Forecast

...SMALL CRAFT ADVISORY FOR ROUGH BAR IN EFFECT THROUGH SATURDAY

Synopsis: GREATER FARALLONES...AND CORDELL BANK NATIONAL MARINE SANCTUARIES...

GENERALLY LIGHT NORTHWEST WINDS WILL CONTINUE TODAY OVER A BUILDING AND LONG PERIOD WESTERLY SWELL. BY THIS EVENING NW WINDS WILL BEGIN TO INCREASE OVER THE WATERS AND CONTINUE THROUGH MUCH OF THE WEEKEND AND INTO EARLY NEXT WEEK.

Today
NW winds 5 to 15 kt. Wind waves 1 to 3 ft. W swell 11 to 14 ft at 18 seconds. Patchy dense fog in the morning.
Tonight
NW winds 15 to 25 kt. Wind waves 3 to 5 ft. W swell 10 to 13 ft at 17 seconds.
Sat
NW winds 15 to 25 kt. Wind waves 3 to 5 ft. W swell 11 to 13 ft at 16 seconds.
Sat Night
NW winds 15 to 25 kt. Wind waves 3 to 5 ft. W swell 10 to 13 ft at 16 seconds.
Sun
NW winds 15 to 25 kt. Wind waves 3 to 5 ft. W swell 8 to 10 ft at 13 seconds.
Washingtons Birthday
N winds 15 to 25 kt. wind waves 3 to 5 ft. W swell 6 to 8 ft.
Tue
S winds 5 kt. Wind waves 2 ft or less. W swell 4 to 6 ft. .....san francisco bar/fourfathom bank forecast..... in the deep water channel...combined seas to 8 to 10 feet at 20 seconds. Seas increasing to 10 to 12 feet at 19 seconds. Breakers from 20 to 25 feet expected across the bar today into this evening. across the bar...maximum ebb current of 3.1 knots at 6:43 am friday and 2.8 knots at 7:07 pm friday.
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ABOUT THIS FORECAST

Last Update: 212 AM PST FRI FEB 12 2016
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