Fall Weather Pattern Arrives

Rain and much cooler temperatures behind a cold front will bring a feeling of fall to the east coast today. In addition, an active fall storm pattern developing in the Pacific Northwest this week will bring areas of heavy rains, and very high elevations could receive heavy snow. Wetting rains to the valley floors will spread south Thu and Fri into northern California,where active fires continue.
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Last Update: 306 AM PDT Tue Oct 17 2017

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61NM SSW San Francisco CA

Marine Zone Forecast


Synopsis: PZZ500-171630- 306 AM PDT Tue Oct 17 2017 .Synopsis for the Central California Coast and Bays Including the Monterey Bay...Greater Farallones...and Cordell Bank National Marine Sanctuaries... High pressure over the eastern Pacific will gradually weaken and move south this week. A low pressure trough and cold front from the Gulf of Alaska will move across the California coastal waters later Thursday, and light rain will accompany the frontal passage. A moderate to long period southerly swell will mix with northwesterly swell this afternoon and tonight. A very large northwesterly swell train, the largest of this season so far, is then forecast to arrive Thursday night through Friday. $$

Today
NW winds 5 to 15 kt. Wind waves 1 to 3 ft. Mixed swell NW 5 ft at 13 seconds and S 3 ft at 18 seconds.
Tonight
NW winds 5 to 15 kt. Wind waves 1 to 3 ft. Mixed swell NW 5 ft at 13 seconds and S 3 ft at 18 seconds.
Wed
NW winds 5 to 15 kt. Wind waves 1 to 3 ft. Mixed swell NW 5 ft at 12 seconds and S 3 ft at 16 seconds.
Wed Night
NW winds 5 to 15 kt. Wind waves 1 to 3 ft. Mixed swell NW 5 ft at 11 seconds and S 3 ft at 16 seconds.
Thu
W winds 5 to 15 kt. Wind waves 1 to 3 ft. NW swell 6 to 8 ft at 15 seconds and S 3 ft at 16 seconds. Slight chance of rain in the evening. Chance of rain after midnight.
Fri
NW winds 15 to 25 kt. Wind waves 3 to 5 ft. NW swell 14 to 17 ft and S 3 ft...becoming 15 to 17 ft. Slight chance of rain.
Sat
NW winds 10 to 20 kt. Wind waves 2 to 4 ft. NW swell 10 to 13 ft.
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ABOUT THIS FORECAST

Last Update: 306 AM PDT Tue Oct 17 2017
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