Heavy rain possible across parts of Midwest

A storm system moving across the central U.S. will bring showers and thunderstorms to parts of the Midwest on Friday, with the possibility of heavy rain and flash flooding for some locations. Remember, it takes just 12 inches of rushing water to carry away a small car. If you see a flooded roadway, Turn Around Don't Drown.
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19NM S San Francisco CA

Marine Point Forecast

[NOTICE]
  • Tonight

    Mostly Cloudy

    W 7ktWinds Decreasing
    4ft
  • Saturday

    Slight Chc Rain

    SSE 6kt
    4ft
  • Saturday
    Night

    Increasing Clouds

    NW 8kt
    4ft
  • Sunday

    Patchy Fog

    NW 8kt
    4ft
  • Sunday
    Night

    Patchy Fog

    NW 12kt
    4ft
  • Monday

    Patchy Fog

    WNW 10kt
    4ft
  • Monday
    Night

    Patchy Fog

    WNW 13kt
    3ft
  • Tuesday

    Patchy Fog

    WNW 10kt
    3-5ft
  • Tuesday
    Night

    Patchy Fog

    WNW 14kt
    4-5ft

Associated Zone Forecast which includes this point

Last Update: 1:56 pm PDT Aug 28, 2015
Forecast Valid: 4pm PDT Aug 28, 2015-6pm PDT Sep 4, 2015

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Detailed Forecast


Synopsis: A LONG PERIOD WEST SWELL IS MOVING INTO THE COASTAL WATERS TODAY AND WILL CONTINUE TO DO SO INTO EARLY NEXT WEEK. OTHERWISE... SEAS WILL GENERALLY BE LIGHT. PREDOMINATELY LIGHT WINDS THROUGH MOST OF THE WEEKEND... INCREASING LATE SUNDAY AND INTO MONDAY.

Tonight
W wind 5 to 7 kt becoming variable and less than 5 kt. Mostly cloudy. Mixed swell...WNW 3 ft at 18 seconds and S 2 ft at 16 seconds. Wind waves around 1 ft.
Saturday
S wind around 6 kt becoming W in the afternoon. A slight chance of rain before 11am. Mixed swell...WNW 3 ft at 17 seconds and S 2 ft at 16 seconds. Wind waves around 1 ft.
Saturday Night
NW wind 5 to 8 kt. Increasing clouds. Mixed swell...WNW 3 ft at 16 seconds and S 2 ft at 15 seconds becoming E. Wind waves around 1 ft.
Sunday
NW wind 6 to 8 kt. Patchy fog before 11am. Mixed swell...WNW 3 ft and E 2 ft. Wind waves around 1 ft.
Sunday Night
NW wind 9 to 12 kt. Patchy fog after 11pm. Mixed swell...WNW 3 ft and ENE 2 ft becoming ESE. Wind waves 1 to 2 ft.
Monday
WNW wind 8 to 10 kt. Patchy fog before 11am. Mixed swell...NW 3 ft and E 2 ft becoming S. Wind waves around 1 ft.
Monday Night
WNW wind 10 to 13 kt. Patchy fog after 11pm. Mixed swell...NW 2 ft and S 2 ft. Wind waves 1 to 2 ft.
Tuesday
WNW wind around 10 kt. Patchy fog before 11am. Mixed swell...NW 5 ft and S 2 ft. Wind waves around 1 ft.
Tuesday Night
WNW wind 11 to 14 kt. Patchy fog after 11pm. Mixed swell...NW 3 to 4 ft and S 2 ft. Wind waves 1 to 2 ft.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...COMBINED SEAS 2 TO 4 FEET WITH A DOMINANT PERIOD OF 15 SECONDS. ACROSS THE BAR...COMBINED SEAS 3 TO 5 FEET WITH A DOMINANT PERIOD OF 15 SECONDS. MAXIMUM EBB CURRENT OF 1.8 KNOTS AT 03:25 PM FRIDAY AND 2.2 KNOTS AT 03:30 AM SATURDAY.

*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: 37.47°N 122.47°W
Last Update: 1:56 pm PDT Aug 28, 2015
Forecast Valid: 4pm PDT Aug 28, 2015-6pm PDT Sep 4, 2015
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