Unsettled Across the West; Increasingly Rainy with a Few Storms in the South

A frontal system will bring heavy precipitation, including mountain snowfall to much of the Pacific Northwest, northern California, and portions of the Rockies through Tuesday. Elsewhere, wet weather will return to much of the South with locally heavy rainfall; a few strong to severe thunderstorms will also be possible in this region by Tuesday.
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Last Update: 317 AM PST Mon Dec 18 2017

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13NM WNW San Francisco CA

Marine Zone Forecast


Synopsis: PZZ500-181745- 317 AM PST Mon Dec 18 2017 .Synopsis for the Central California Coast and Bays Including the Monterey Bay...Greater Farallones...and Cordell Bank National Marine Sanctuaries... A 1025 mb high centered 650 miles west of the Bay Area will weaken tonight and Tuesday resulting in decreasing winds. The winds will become light southwest Tuesday ahead of a frontal system. Post frontal northwest winds will increase Wednesday and Thursday. $$

Today
NE winds 5 to 15 kt. Wind waves 1 to 3 ft. NW swell 2 to 4 ft at 11 seconds.
Tonight
N winds 10 kt. Wind waves 2 ft or less. NW swell 3 to 5 ft at 13 seconds.
Tue
S winds 5 to 15 kt. Wind waves 1 to 3 ft. NW swell 4 to 6 ft at 15 seconds.
Tue Night
SW winds 5 to 15 kt. Wind waves 1 to 3 ft. NW swell 4 to 6 ft at 15 seconds. Rain likely after midnight.
Wed
NW winds 15 to 25 kt. Wind waves 3 to 5 ft. NW swell 6 to 8 ft at 15 seconds. Slight chance of rain in the morning.
Thu
NW winds 5 to 15 kt. Wind waves 1 to 3 ft. NW swell 4 to 6 ft.
Fri
NE winds 10 kt. Wind waves 2 ft or less. NW swell 3 to 5 ft. .....san francisco bar/fourfathom bank forecast..... in the deep water channel...combined seas 4 to 6 ft at 12 seconds. across the bar...combined seas 5 to 7 ft at 12 seconds. Maximum ebb current of 0.7 knots at 04:06 am monday and 1.9 knots at 03:48 pm monday.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Combined seas 4 to 6 ft at 12 seconds. ACROSS THE BAR...Combined seas 5 to 7 ft at 12 seconds. Maximum ebb current of 0.7 knots at 04:06 AM Monday and 1.9 knots at 03:48 PM Monday.
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ABOUT THIS FORECAST

Last Update: 317 AM PST Mon Dec 18 2017
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