Heavy Precipitation and Strong Winds in the West; Locally Severe Weather in the East

Several atmospheric river events will bring widespread moderate to heavy precipitation and strong winds to much of the Pacific Northwest and California through early next week. A few storms might produce locally strong to damaging wind gusts over a portion of eastern North Carolina on Friday.
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4NM NW San Francisco CA

Marine Point Forecast

[NOTICE]
  • Overnight

    Rain

    S 12kt
  • Friday

    Rain

    Winds IncreasingW 11kt
  • Friday
    Night

    Mostly Cloudy

    W 10kt
  • Saturday

    Rain Likely

    Winds IncreasingSSW 13kt
  • Saturday
    Night

    Rain

    S 18kt
  • Sunday

    Heavy Rain

    S 26kt
  • Sunday
    Night

    Heavy Rain

    SSW 20kt
  • Monday

    Rain

    WSW 13kt
  • Monday
    Night

    Chance Rain

    WSW 11kt

Associated Zone Forecast which includes this point

Last Update: 2:24 am PDT Oct 22, 2021
Forecast Valid: 4am PDT Oct 22, 2021-6pm PDT Oct 28, 2021

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Detailed Forecast


Synopsis: PZZ500-222300- 301 AM PDT Fri Oct 22 2021 .Synopsis for the Central California Coast and Bays Including the Monterey Bay...Greater Farallones...and Cordell Bank National Marine Sanctuaries... A cold front will approach the California coast with moderate rain this morning. Winds shifting to westerly and weakening in the wake of the front today. The next, more impactful event for the waters arrives Sunday with a strong atmospheric river. Gusty southerly winds, steep waves and large swell are possible Sunday into Monday along with heavy rainfall. $$

Overnight
S wind around 12 kt, with gusts as high as 18 kt. Rain.
Friday
Variable winds less than 5 kt becoming W 6 to 11 kt in the morning. Rain before 11am.
Friday Night
W wind 5 to 10 kt. Mostly cloudy.
Saturday
Variable winds less than 5 kt becoming SSW 8 to 13 kt in the morning. Rain likely, mainly after 11am.
Saturday Night
S wind 9 to 18 kt, with gusts as high as 26 kt. Rain.
Sunday
S wind 19 to 26 kt, with gusts as high as 36 kt. Rain. The rain could be heavy at times.
Sunday Night
SSW wind 14 to 20 kt becoming WSW after midnight. Winds could gust as high as 28 kt. Showers, with thunderstorms also possible after 11pm. Some of the storms could produce heavy rainfall.
Monday
WSW wind 11 to 13 kt. Rain.
Monday Night
WSW wind 6 to 11 kt becoming SSW after midnight. A chance of rain.

*Notices:

  1. This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
  2. The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.
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ABOUT THIS FORECAST

Point Forecast: 37.81°N 122.48°W
Last Update: 2:24 am PDT Oct 22, 2021
Forecast Valid: 4am PDT Oct 22, 2021-6pm PDT Oct 28, 2021
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