Severe weather possible for parts of central Plains, mid-Atlantic to New England

The NWS Storm Prediction Center is forecasting a Slight Risk of severe thunderstorms Tuesday afternoon and evening across parts of the central Plains, from northwestern Kansas to southwestern Nebraska and extreme northeastern Colorado, as well across parts of the mid-Atlantic and eastern New England. Isolated strong to severe storms are possible in areas surrounding the Slight Risk areas.
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30NM WNW San Francisco CA

Marine Point Forecast

[NOTICE]
  • Today

    Slight Chc Thunderstorms

    NW 10ktWinds Decreasing
    3ft
  • Tonight

    Patchy Fog

    NW 11kt
    3ft
  • Wednesday

    Patchy Fog

    WNW 10kt
    3ft
  • Wednesday
    Night

    Patchy Fog

    WNW 9kt
    2-3ft
  • Thursday

    Patchy Fog

    Light Wind
    2ft
  • Thursday
    Night

    Patchy Fog

    W 8kt
    2ft
  • Friday

    Patchy Fog

    Winds IncreasingS 6kt
    2ft
  • Friday
    Night

    Patchy Fog

    WSW 8ktWinds Decreasing
    3ft
  • Saturday

    Patchy Fog

    Light Wind
    3ft

Associated Zone Forecast which includes this point

Last Update: 1:43 am PDT Aug 4, 2015
Forecast Valid: 7am PDT Aug 4, 2015-6pm PDT Aug 10, 2015

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Detailed Forecast


Synopsis: PREDOMINATELY LIGHT TO LOCALLY MODERATE WINDS AND CALM SEAS ARE FORECAST THROUGH TONIGHT. THE STRONGEST WINDS WILL BE OVER THE NORTHERN SAN FRANCISCO BAY IN THE AFTERNOON...ESPECIALLY NEAR THE GOLDEN GATE BRIDGE AND ANGEL ISLAND. WINDS INCREASE AND SHIFT TO THE NORTHWEST MIDWEEK.

Today
NW wind 5 to 10 kt becoming variable and less than 5 kt in the afternoon. A slight chance of showers and thunderstorms after 11am. Patchy fog before 11am. Mixed swell...NW 2 ft at 8 seconds and SSW 2 ft at 18 seconds. Wind waves around 1 ft.
Tonight
WSW wind 7 to 11 kt becoming NW in the evening. Patchy fog after 11pm. Mixed swell...NW 2 ft at 8 seconds and SSW 2 ft at 17 seconds. Wind waves around 1 ft.
Wednesday
WNW wind 6 to 10 kt. Patchy fog before 11am. Mixed swell...WNW 2 ft at 8 seconds and SSW 2 ft at 16 seconds. Wind waves around 1 ft.
Wednesday Night
WNW wind 7 to 9 kt. Patchy fog after 11pm. Mixed swell...WNW 3 ft and S 1 ft. Wind waves around 1 ft.
Thursday
Variable winds 5 kt or less. Patchy fog before 11am. Mixed swell...WNW 2 ft and S 1 ft. Wind waves around 1 ft.
Thursday Night
W wind 5 to 8 kt. Patchy fog after 11pm. Mixed swell...WNW 2 ft and S 1 ft. Wind waves around 1 ft.
Friday
Variable winds less than 5 kt becoming S around 6 kt in the afternoon. Patchy fog before 11am. Mixed swell...WNW 2 ft and S 1 ft. Wind waves around 1 ft.
Friday Night
WSW wind 5 to 8 kt becoming variable and less than 5 kt in the evening. Patchy fog after 11pm. Mixed swell...WNW 3 ft and S 1 ft. Wind waves around 1 ft.
Saturday
Variable winds 5 kt or less. Patchy fog before 11am. Mixed swell...WNW 3 ft and S 1 ft. Wind waves around 1 ft.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...COMBINED SEAS 1 TO 3 FEET WITH A DOMINANT PERIOD OF 14 SECONDS. ACROSS THE BAR...COMBINED SEAS 1 TO 3 FEET WITH A DOMINANT PERIOD OF 14 SECONDS. MAXIMUM EBB CURRENT OF 2.2 KNOTS AT 6:55 AM TUESDAY AND 2.1 KNOTS AT 7:29 PM TUESDAY.

*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: 38°N 122.99°W
Last Update: 1:43 am PDT Aug 4, 2015
Forecast Valid: 7am PDT Aug 4, 2015-6pm PDT Aug 10, 2015
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