Series of Storms to Impact the West Coast

Powerful Pacific storms will keep conditions wet and windy for much of the West, especially, from northern California to western Washington. Heavy rains may produce flooding early to mid week. Heavy snow will make travel difficult in the Cascades northern Rockies. Snow showers continue near the Great Lakes, otherwise, dry conditions and gusty winds can be expected for much of the East.
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Last Update: 229 PM PST Sun Dec 16 2018

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12NM SW San Francisco CA

Marine Zone Forecast


...SMALL CRAFT ADVISORY FOR ROUGH BAR IN EFFECT THROUGH TUESDAY AFTERNOON...
Synopsis: PZZ500-171115- 229 PM PST Sun Dec 16 2018 .Synopsis for the Central California Coast and Bays Including the Monterey Bay...Greater Farallones...and Cordell Bank National Marine Sanctuaries... Strong and gusty southerly winds associated with a frontal system moving through the coastal waters will result in steep fresh swell and hazardous sea conditions through this evening. Winds will then diminish in wake of the frontal passage tonight. A very large, long period WNW swell will continue to move into the coastal waters, with significantly building seas by this evening through Monday morning. The swell will taper off late Monday into Tuesday, however, a different large northwest swell train builds Wednesday into Thursday. $$

Tonight
SW winds 10 to 20 kt with gusts up to 30 kt...becoming NW 5 to 10 kt after midnight. Wind waves 3 to 4 ft this evening... Becoming 2 ft or less. W swell 15 to 20 ft at 21 seconds. Showers and a slight chance of thunderstorms this evening, then a chance of showers after midnight.
Mon
SW winds around 5 kt. Wind waves 2 ft or less. W swell 16 to 21 ft at 21 seconds.
Mon Night
S winds around 5 kt. Wind waves 2 ft or less. W swell 13 to 18 ft at 18 seconds.
Tue
S winds 5 to 10 kt. Wind waves 2 ft or less. W swell 10 to 13 ft at 18 seconds. A slight chance of showers.
Tue Night
N winds 5 to 10 kt. Wind waves 2 ft or less. W swell 10 to 13 ft at 15 seconds.
Wed
N winds 10 to 15 kt. Wind waves 2 ft or less. W swell 9 to 13 ft.
Wed Night
NE winds 5 to 15 kt. Wind waves 2 ft or less. W swell 12 to 16 ft.
Thu
W winds up to 10 kt. Wind waves 2 ft or less. W swell 8 to 11 ft.
Fri
NW winds 5 to 15 kt. Wind waves 2 ft or less. W swell 8 to 10 ft. winds and wind waves higher in and near thunderstorms. .....san francisco bar/fourfathom bank forecast..... in the deep water channel...combined seas 9 to 11 ft with a dominant period of 13 seconds, increasing to 15 to 18 ft with a period of 21 seconds tonight. across the bar...combined seas 11 to 13 ft with locally larger breaking waves. A dominant period of 13 seconds, increasing to 17 to 20 ft with a period of 21 seconds tonight. Maximum ebb current of 1.5 knots at 11:37 pm sunday and 2.3 knots at 12:25 pm monday.
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ABOUT THIS FORECAST

Last Update: 229 PM PST Sun Dec 16 2018
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