River Flooding Continues to be a Concern for Multiple Regions across the Country

Recent rainfall has increased the threat of Moderate to Major flooding along rivers in the Mid-Atlantic, especially Virginia and Maryland, over the next few days. Rainfall combined with snowmelt is also fueling Moderate-to-Major flooding in the northern Rockies and northern Intermountain West.
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6NM WNW San Francisco CA

Marine Point Forecast

[NOTICE]
  • Tonight

    Chance Drizzle

    WNW 27ktWinds Decreasing
    9ftWaves Subsiding

    Small Craft Advisory
    Small Craft Advisory

  • Monday

    Decreasing Clouds

    Winds IncreasingW 21kt
    Waves Building6ft

    Small Craft Advisory
    Small Craft Advisory

  • Monday
    Night

    Mostly Cloudy

    W 20kt
    5ft

    Small Craft Advisory
    Small Craft Advisory

  • Tuesday

    Partly Sunny

    WSW 15kt
    5ft
  • Tuesday
    Night

    Mostly Cloudy

    WSW 15kt
    4ft
  • Wednesday

    Mostly Sunny

    WSW 14kt
    4-5ft
  • Wednesday
    Night

    Partly Cloudy

    WSW 13ktWinds Decreasing
    5ft
  • Thursday

    Mostly Sunny

    Light Wind
    4ft
  • Thursday
    Night

    Partly Cloudy

    WSW 9ktWinds Decreasing
    3-4ft

Associated Zone Forecast which includes this point

Last Update: 1:37 pm PDT May 20, 2018
Forecast Valid: 8pm PDT May 20, 2018-6pm PDT May 27, 2018

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Detailed Forecast


Synopsis: PZZ500-211045- 241 PM PDT Sun May 20 2018 .Synopsis for the Central California Coast and Bays Including the Monterey Bay...Greater Farallones...and Cordell Bank National Marine Sanctuaries... Moderate to strong northwesterly winds will persist over the coastal waters through Monday in response to a tight north to south pressure gradient along the coast. These winds will result in steep wind waves as well and produce hazardous conditions for small crafts. A long period southerly swell will increase and mix with northwesterly swell by Monday morning, gradually increasing through much of the week. $$

Tonight
WNW wind 22 to 27 kt decreasing to 16 to 21 kt after midnight. Winds could gust as high as 34 kt. A chance of drizzle after 11pm. Mixed swell...W 2 ft at 11 seconds and SW 1 ft at 15 seconds. Wind waves 8 ft subsiding to 4 ft.
Monday
W wind 9 to 14 kt increasing to 16 to 21 kt in the afternoon. Cloudy, then gradually becoming mostly sunny. Mixed swell...W 3 ft at 11 seconds and SW 1 ft at 21 seconds. Wind waves 1 ft building to 5 ft.
Monday Night
W wind 14 to 20 kt, with gusts as high as 26 kt. Mostly cloudy. Mixed swell...W 4 ft at 10 seconds and SW 2 ft at 21 seconds. Wind waves 5 ft subsiding to 2 ft.
Tuesday
WSW wind 13 to 15 kt. Partly sunny. Mixed swell...W 4 ft and SW 2 ft. Wind waves 1 to 2 ft.
Tuesday Night
WSW wind 13 to 15 kt. Mostly cloudy. Mixed swell...W 3 ft and SW 2 ft. Wind waves around 2 ft.
Wednesday
WSW wind 12 to 14 kt. Mostly sunny. Mixed swell...WNW 4 ft and SW 2 ft. Wind waves 1 to 2 ft.
Wednesday Night
WSW wind 8 to 13 kt becoming variable and less than 5 kt in the evening. Partly cloudy. Mixed swell...WNW 4 ft and SW 2 ft. Wind waves around 1 ft.
Thursday
Variable winds 5 kt or less. Mostly sunny. Mixed swell...W 3 ft and SW 2 ft. Wind waves around 1 ft.
Thursday Night
WSW wind 5 to 9 kt becoming variable and less than 5 kt in the evening. Partly cloudy. Mixed swell...W 2 to 3 ft and SW 2 ft. Wind waves around 1 ft.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Combined seas 3 to 5 ft with a dominant period of 12 seconds. ACROSS THE BAR...Combined seas 4 to 6 ft with a dominant period of 12 seconds. Maximum ebb current of 1.4 knots at 09:07 PM Sunday and 3 knots at 08:07 AM Monday.

*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: 37.8°N 122.53°W
Last Update: 1:37 pm PDT May 20, 2018
Forecast Valid: 8pm PDT May 20, 2018-6pm PDT May 27, 2018
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