Dangerous Heat and Humidity Building from the Plains to the East Coast

A strengthening ridge of high pressure will produce much above average temperatures from the Plains to the East Coast, a true summer heat wave. Highs in the 90s and triple digits combined w/ humidity and dewpoints surging into the upper 70s, if not low 80s, will create heat indices as high as 110 to 115 through this weekend. Air quality will likely be poor due to haze and little air circulation.
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5NM NNW San Francisco CA

Marine Point Forecast

[NOTICE]
  • Today

    Mostly Cloudy

    SW 16kt

    Small Craft Advisory
    Small Craft Advisory

  • Tonight

    Mostly Cloudy

    SW 16kt

    Small Craft Advisory
    Small Craft Advisory

  • Friday

    Mostly Cloudy

    SW 15kt
  • Friday
    Night

    Mostly Cloudy

    SW 16kt
  • Saturday

    Mostly Cloudy

    SW 14kt
  • Saturday
    Night

    Mostly Cloudy

    SW 13kt
  • Sunday

    Mostly Sunny

    SW 13kt
  • Sunday
    Night

    Mostly Cloudy

    SW 14kt
  • Monday

    Mostly Sunny

    SW 15kt

Associated Zone Forecast which includes this point

Last Update: 1:33 am PDT Jul 18, 2019
Forecast Valid: 6am PDT Jul 18, 2019-6pm PDT Jul 24, 2019

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Detailed Forecast


Synopsis: PZZ500-182245- 314 AM PDT Thu Jul 18 2019 .Synopsis for the Central California Coast and Bays Including the Monterey Bay...Greater Farallones...and Cordell Bank National Marine Sanctuaries... Light to moderate northwest winds will continue through Monday except for light south wind along the near shore waters south of the the Wind flow in the near term is from the south from the Golden Gate south. Light long period southerly swell will continue as well. $$

Today
SW wind 12 to 16 kt, with gusts as high as 22 kt. Mostly cloudy.
Tonight
SW wind 11 to 16 kt. Mostly cloudy.
Friday
SW wind 11 to 15 kt, with gusts as high as 21 kt. Mostly cloudy.
Friday Night
SW wind 9 to 16 kt. Mostly cloudy.
Saturday
SW wind 10 to 14 kt, with gusts as high as 20 kt. Mostly cloudy.
Saturday Night
SW wind 8 to 13 kt, with gusts as high as 20 kt. Mostly cloudy.
Sunday
SW wind 8 to 13 kt. Mostly sunny.
Sunday Night
SW wind 8 to 14 kt. Mostly cloudy.
Monday
SW wind 8 to 15 kt. Mostly sunny.

*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: 37.86°N 122.46°W
Last Update: 1:33 am PDT Jul 18, 2019
Forecast Valid: 6am PDT Jul 18, 2019-6pm PDT Jul 24, 2019
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