Storms and Flash Flooding in the South; Heavy Snow in the Central Rockies

Storms will continue to impact the northern Gulf Coast into Thursday resulting in threats of flash flooding, wind damage and hail. A late season winter storm will bring heavy snow to the Central Rockies on Wednesday and Thursday. Critical fire weather conditions will exist in the Southwest U.S. on Wednesday and Thursday as well.
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Last Update: 908 PM PDT Tue Apr 13 2021

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12NM SW San Francisco CA

Marine Zone Forecast


Synopsis: PZZ500-141715- 908 PM PDT Tue Apr 13 2021 .Synopsis for the Central California Coast and Bays Including the Monterey Bay...Greater Farallones...and Cordell Bank National Marine Sanctuaries... Buoy observations are showing diminishing winds over the northern coastal waters this evening. Moderate winds still exist in the northern outer waters tonight. Gale force gusts will persist in the northern outer waters, and will start to diminish early Wednesday morning. A moderate northwest swell is also moving through the waters and will be for the remainder of the week. Steep wind waves could be combined at times with the moderate swell to produce hazardous seas for small crafts in the northern outer waters. After winds diminish early Wednesday morning, weaker winds are forecasted for the remainder of the week. $$

Tonight
W winds 15 to 25 kt with gusts up to 30 kt. Wind waves 6 to 7 ft, decreasing to 3 to 4 ft after midnight. NW swell 6 to 8 ft at 9 seconds.
Wed
S winds up to 10 kt. Wind waves 1 to 2 ft. NW swell 3 to 5 ft at 10 seconds.
Wed Night
W winds up to 10 kt. Wind waves 1 ft. NW swell 2 to 4 ft at 13 seconds.
Thu
W winds 5 to 10 kt. Wind waves 1 to 2 ft. NW swell 2 to 4 ft at 13 seconds.
Thu Night
NW winds 5 to 10 kt. Wind waves 1 to 2 ft. NW swell 2 to 4 ft at 13 seconds.
Fri
NW winds 5 to 15 kt. Wind waves 1 to 2 ft. NW swell 2 to 4 ft at 13 seconds.
Fri Night
NW winds 10 to 20 kt. Wind waves 1 to 2 ft. NW swell 3 to 5 ft at 12 seconds.
Sat
NW winds 15 to 25 kt with gusts up to 30 kt. Wind waves 3 to 4 ft. NW swell 3 to 5 ft.
Sun
NW winds 10 to 20 kt with gusts up to 25 kt. Wind waves 3 to 4 ft. NW swell 2 to 4 ft. .....san francisco bar/fourfathom bank forecast..... in the deep water channel...northwest seas 5 to 7 ft, with a dominant period of 11 seconds. across the bar...northwest seas 6 to 8 ft, with a dominant period of 11 seconds. Maximum ebb current of 3.3 kt at 06:31 am wednesday and 1.2 kt at 07:31 pm wednesday.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Northwest seas 5 to 7 ft, with a dominant period of 11 seconds. ACROSS THE BAR...Northwest seas 6 to 8 ft, with a dominant period of 11 seconds. Maximum ebb current of 3.3 kt at 06:31 AM Wednesday and 1.2 kt at 07:31 PM Wednesday.
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ABOUT THIS FORECAST

Last Update: 908 PM PDT Tue Apr 13 2021
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