Heavy Rain In The Plains; Poor Air Quality Out West

A slow moving weather system in the central U.S. will bring locally heavy rain to much of the Plains this weekend. Isolated flash flooding is possible in this area. Meanwhile, smoke from ongoing wildfires will continue to cause poor air quality across much of the interior West, although fire weather conditions are generally improving in this region.
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Last Update: 305 AM PDT Sat Aug 18 2018

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12NM SW San Francisco CA

Marine Zone Forecast


Synopsis: PZZ500-182230- 305 AM PDT Sat Aug 18 2018 .Synopsis for the Central California Coast and Bays Including the Monterey Bay...Greater Farallones...and Cordell Bank National Marine Sanctuaries... A 1031 mb high is centered 500 miles west of Astoria. A thermal trough lies along the California coast. Winds will be light through next week except for stronger winds over the northern and outer waters Sunday night through Tuesday. A small but long period southerly swell will move through the waters this weekend. $$

Today
W winds up to 10 kt. Wind waves 2 ft or less. Mixed swell NW 3 to 4 ft at 8 seconds and S around 3 ft at 15 seconds. patchy fog this morning.
Tonight
W winds up to 10 kt. Wind waves around 3 ft. Mixed swell NW 3 to 4 ft at 8 seconds and S around 3 ft at 14 seconds. Patchy fog.
Sun
SW winds up to 10 kt. Wind waves around 3 ft. Mixed swell NW 3 to 4 ft at 8 seconds and S around 3 ft at 14 seconds. Patchy fog.
Sun Night
W winds 5 to 15 kt. Wind waves 3 to 4 ft. Mixed swell NW 3 to 5 ft at 8 seconds and S around 3 ft at 14 seconds. Patchy fog.
Mon
W winds 5 to 15 kt. Wind waves 3 to 4 ft. NW swell 3 to 5 ft at 8 seconds. Patchy fog.
Mon Night
W winds 5 to 10 kt. Wind waves around 3 ft. NW swell around 4 ft at 8 seconds. Patchy fog.
Tue
W winds up to 10 kt. Wind waves 2 ft or less. NW swell around 3 ft. Patchy fog.
Wed
W winds up to 10 kt. Wind waves 2 ft or less. NW swell 3 to 4 ft. Patchy fog. .....san francisco bar/fourfathom bank forecast..... in the deep water channel...combined seas 2 to 4 ft with a dominant period of 17 seconds. across the bar...combined seas 3 to 5 ft with a dominant period of 17 seconds. Maximum ebb current of 1.6 knots at 10:07 am saturday and 2.2 knots at 10:19 pm saturday.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Combined seas 2 to 4 ft with a dominant period of 17 seconds. ACROSS THE BAR...Combined seas 3 to 5 ft with a dominant period of 17 seconds. Maximum ebb current of 1.6 knots at 10:07 AM Saturday and 2.2 knots at 10:19 PM Saturday.
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ABOUT THIS FORECAST

Last Update: 305 AM PDT Sat Aug 18 2018
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