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Severe weather and flash flooding possible Sunday for the northern Plains and Upper Midwest

Severe weather will be possible Sunday across much of the northern Plains. The Storm Prediction Center has highlighted Slight and Moderate Risks mainly for large hail and damaging winds, but an isolated tornado cannot be ruled out. Across the Upper Midwest, heavy rainfall could lead to isolated flash flooding with 1 to 2 inches of rainfall possible over the next 24 hours.
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30NM WNW San Francisco CA

Marine Point Forecast

[NOTICE]
  • Today

    Chance Drizzle

    S 8kt
    1ft
  • Tonight

    Chance Drizzle

    WSW 6ktWinds Decreasing
    2ft
  • Monday

    Chance Drizzle

    Winds IncreasingSW 6kt
    2ft
  • Monday
    Night

    Chance Drizzle

    WNW 9kt
    2ft
  • Tuesday

    Chance Drizzle

    W 8kt
    2ft
  • Tuesday
    Night

    Chance Drizzle

    WNW 11kt
    2ft
  • Wednesday

    Chance Drizzle

    W 11kt
    2ft
  • Wednesday
    Night

    Chance Drizzle

    W 10kt
    2ft
  • Thursday

    Chance Drizzle

    Light Wind
    2ft

Associated Zone Forecast which includes this point

Last Update: 4:09 am PDT Jul 5, 2015
Forecast Valid: 7am PDT Jul 5, 2015-6pm PDT Jul 11, 2015

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Detailed Forecast


Synopsis: A 1028 MB HIGH IS LOCATED 900 NM NORTHWEST OF CAPE MENDOCINO. WEAK LOW PRESSURE IS OFF THE CALIFORNIA COAST. THIS WILL RESULT IN LIGHT WINDS AND SEAS THROUGH THURSDAY.

Today
S wind 5 to 8 kt. A chance of drizzle before 11am. Patchy fog before 11am. . Wind waves around 1 ft.
Tonight
WSW wind around 6 kt becoming variable and less than 5 kt in the evening. A chance of drizzle after 2am. Patchy fog after 11pm. . Wind waves around 1 ft.
Monday
Variable winds less than 5 kt becoming SW around 6 kt in the afternoon. A chance of drizzle before 11am. Patchy fog before 11am. . Wind waves around 1 ft.
Monday Night
WNW wind around 9 kt. A chance of drizzle after 2am. Patchy fog after 11pm. . Wind waves around 1 ft.
Tuesday
W wind around 8 kt. A chance of drizzle before 11am. Patchy fog before 11am. . Wind waves around 1 ft.
Tuesday Night
WNW wind around 11 kt. A chance of drizzle after 11pm. Patchy fog after 11pm. . Wind waves around 1 ft.
Wednesday
W wind 7 to 11 kt. A chance of drizzle before 11am. Patchy fog before 11am. . Wind waves around 1 ft.
Wednesday Night
W wind 7 to 10 kt. A chance of drizzle. Patchy fog after 11pm. . Wind waves around 1 ft.
Thursday
Variable winds 5 kt or less. A chance of drizzle. Patchy fog before 11am. . Wind waves around 1 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 2.6 KNOTS AT 06:05 AM SUNDAY AND 1.5 KNOTS AT 07:18 PM SUNDAY.

*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: 4:09 am PDT Jul 5, 2015
Forecast Valid: 7am PDT Jul 5, 2015-6pm PDT Jul 11, 2015
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