Heavy precipitation for parts of the Pacific Northwest

Moisture will continue to stream into the Pacific Northwest for the next several days. Heavy rain will continue along the coast, while heavy snow will impact the highest elevations of the Cascades. In the northern Plains and Upper Great Lakes, more arctic air will bring periods of snow, blustery winds and cold wind chills. Light snow is also possible in New England and the Ohio Valley.
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Last Update: 143 PM PST Mon Nov 20 2017

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15NM WSW San Francisco CA

Marine Zone Forecast


Synopsis: PZZ500-210615- 143 PM PST Mon Nov 20 2017 .Synopsis for the Central California Coast and Bays Including the Monterey Bay...Greater Farallones...and Cordell Bank National Marine Sanctuaries... As a high pressure ridge builds from the south, southerly winds will decrease beginning this evening. A split windflow pattern will occur Tuesday, where winds will blow out of the north over the southern waters and out of the south over the northern waters, remaining light to moderate. Another storm system will skirt the northern waters by Thursday or Friday and possibly last through the weekend. Seas are expected to remain light to moderate through Tuesday, then slightly increase for the remainder of the week as west/northwest swell increases. $$

Tonight
E winds 5 to 15 kt. Wind waves 1 to 3 ft. W swell 3 to 4 ft at 12 seconds.
Tue
E winds 5 to 15 kt. Wind waves 1 to 3 ft. W swell 3 to 4 ft at 11 seconds.
Tue Night
N winds 5 to 15 kt. Wind waves 1 to 3 ft. W swell 3 to 5 ft at 11 seconds.
Wed
NW winds 5 to 15 kt. Wind waves 1 to 3 ft. W swell 5 to 7 ft at 12 seconds.
Wed Night
NW winds 5 to 15 kt. Wind waves 1 to 3 ft. W swell 4 to 6 ft at 16 seconds.
Thanksgiving Day
NW winds 10 to 20 kt. Wind waves 2 to 4 ft. W swell 4 to 6 ft.
Fri
NW winds 5 to 15 kt. Wind waves 1 to 3 ft. W swell 5 to 7 ft...decreasing to 4 to 6 ft.
Sat
SE winds 5 to 15 kt. Wind waves 1 to 3 ft. W swell 4 to 6 ft. Slight chance of rain. .....san francisco bar/fourfathom bank forecast..... in the deep water channel...combined seas 2 to 4 ft with a dominant swell period of 12 seconds. across the bar...combined seas 3 to 5 ft with a dominant swell period of 12 seconds. Maximum ebb current of 1.8 knots at 04:48 pm monday and 0.7 knots at 05:42 am tuesday.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Combined seas 2 to 4 ft with a dominant swell period of 12 seconds. ACROSS THE BAR...Combined seas 3 to 5 ft with a dominant swell period of 12 seconds. Maximum ebb current of 1.8 knots at 04:48 PM Monday and 0.7 knots at 05:42 AM Tuesday.
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ABOUT THIS FORECAST

Last Update: 143 PM PST Mon Nov 20 2017
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