Heavy rain, mountain snow and strong winds in the western U.S. this week

The western U.S. will experience active weather yet again this week as significant Pacific moisture brings rain and mountain snow to the region. This heavy rain will bring flood concerns to parts of WA, OR and CA. Very heavy snow is possible in the Sierra, Cascades, Great Basin and parts of the northern Rockies.
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7NM SE San Francisco CA

Marine Point Forecast

[NOTICE]
  • Today

    Heavy Rain

    Winds IncreasingSSE 23kt
    < 1ft
  • Tonight

    Heavy Rain

    SSE 28ktWinds Decreasing
    < 1ft

    Small Craft Advisory
    Small Craft Advisory

  • Thursday

    Chance Showers

    W 7kt
    < 1ft
  • Thursday
    Night

    Heavy Rain

    SSW 11kt
    < 1ft
  • Friday

    Heavy Rain

    SE 24kt
    < 1ft
  • Friday
    Night

    Chance Showers

    W 18kt
    < 1ft
  • Saturday

    Slight Chc Showers

    Light Wind
    < 1ft
  • Saturday
    Night

    Chance Showers

    SSE 15kt
    < 1ft
  • Sunday

    Rain

    SSE 20kt
    < 1ft

Associated Zone Forecast which includes this point

Last Update: 5:15 am PST Jan 18, 2017
Forecast Valid: 7am PST Jan 18, 2017-6pm PST Jan 24, 2017

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Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH

Synopsis: GREATER FARALLONES...AND CORDELL BANK NATIONAL MARINE SANCTUARIES...

SOUTHERLY WINDS WILL INCREASE BY WEDNESDAY AHEAD OF A FRONTAL SYSTEM. WINDS WILL DECREASE LATE WEDNESDAY NIGHT AS THE LOW LIFTS NORTHEAST BUT WILL INCREASE AGAIN BY FRIDAY AS ANOTHER STORM APPROACHES. VERY LARGE WEST SWELLS WILL ARRIVE LATER THIS WEEK WITH SWELLS BUILDING AS HIGH AS 26 FEET FRIDAY AND SATURDAY.

Today
SSE wind 11 to 16 kt increasing to 18 to 23 kt in the afternoon. Winds could gust as high as 32 kt. Rain likely, then rain and possibly a thunderstorm after 4pm. Some of the storms could produce heavy rainfall. . Wind waves 1 ft or less.
Tonight
SSE wind 23 to 28 kt becoming SSW 9 to 14 kt in the evening. Winds could gust as high as 39 kt. Rain and possibly a thunderstorm before 10pm, then rain likely. Some of the storms could produce heavy rainfall. . Wind waves 1 ft or less.
Thursday
W wind around 7 kt becoming S in the morning. A chance of showers, mainly after 4pm. . Wind waves 1 ft or less.
Thursday Night
SSW wind 9 to 11 kt. Rain, mainly after 10pm. The rain could be heavy at times. . Wind waves 1 ft or less.
Friday
SE wind 15 to 24 kt becoming WSW in the morning. Winds could gust as high as 34 kt. Rain. The rain could be heavy at times. . Wind waves 1 ft or less.
Friday Night
W wind 9 to 18 kt, with gusts as high as 25 kt. A chance of showers. . Wind waves 1 ft or less.
Saturday
Variable winds 5 kt or less. A slight chance of showers. . Wind waves 1 ft or less.
Saturday Night
SSE wind 12 to 15 kt. A chance of showers. . Wind waves 1 ft or less.
Sunday
SSE wind 10 to 20 kt becoming SSW in the morning. Rain. . Wind waves 1 ft or less.

*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: 37.67°N 122.33°W
Last Update: 5:15 am PST Jan 18, 2017
Forecast Valid: 7am PST Jan 18, 2017-6pm PST Jan 24, 2017
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