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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Los Angeles/Oxnard, CA Local Forecast Office

6NM W San Clemente CA

Marine Point Forecast

[NOTICE]
  • Today

    Mostly Cloudy

    Winds IncreasingWSW 10kt
    2ft
  • Tonight

    Mostly Cloudy

    Light Wind
    4ft
  • Friday

    Mostly Cloudy

    Light Wind
    2-3ft
  • Friday
    Night

    Mostly Cloudy

    Light Wind
    3ft
  • Saturday

    Mostly Cloudy

    Winds IncreasingSW 10kt
    3ft
  • Saturday
    Night

    Mostly Cloudy

    WNW 10kt
    3ft
  • Sunday

    Partly Sunny

    Winds IncreasingWNW 10kt
    3ft
  • Sunday
    Night

    Mostly Cloudy

    WSW 10ktWinds Decreasing
    3ft
  • Monday

    Partly Sunny

    Light Wind
    3ft

Associated Zone Forecast which includes this point

Last Update: 3:20 am PDT Jul 18, 2019
Forecast Valid: 6am PDT Jul 18, 2019-6pm PDT Jul 24, 2019

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Detailed Forecast


Synopsis: PZZ600-181745- 208 AM PDT Thu Jul 18 2019 .Synopsis for the southern California coast and Santa Barbara Channel including the Channel Islands National Marine Sanctuary and National Park...at 09Z, or 2 AM PDT, a 1028 MB high was located around 1000 NM W of San Francisco, with a 1007 mb low from Las Vegas to Yuma Az. $$

Today
Variable winds less than 5 kt becoming WSW 5 to 10 kt in the afternoon. Mostly cloudy. Mixed swell...W 1 ft at 6 seconds and SSW 2 ft at 15 seconds. Wind waves 1 ft or less.
Tonight
Variable winds 5 kt or less. Mostly cloudy. Mixed swell...W 3 ft at 7 seconds and SSW 2 ft at 15 seconds. Wind waves 1 ft or less.
Friday
Variable winds 5 kt or less. Mostly cloudy. Mixed swell...W 1 to 2 ft at 8 seconds and SSW 2 ft at 15 seconds. Wind waves 1 ft or less.
Friday Night
Variable winds 5 kt or less. Mostly cloudy. Mixed swell...W 2 ft and SSW 2 ft. Wind waves 1 ft or less.
Saturday
Variable winds less than 5 kt becoming SW 5 to 10 kt in the afternoon. Mostly cloudy. Mixed swell...W 2 ft and SSW 2 ft. Wind waves 1 ft or less.
Saturday Night
WNW wind 5 to 10 kt. Mostly cloudy. Mixed swell...W 2 ft and SSW 2 ft. Wind waves 1 ft or less.
Sunday
Variable winds less than 5 kt becoming WNW 5 to 10 kt in the afternoon. Partly sunny. Mixed swell...W 2 ft and SSW 2 ft. Wind waves 1 ft or less.
Sunday Night
WSW wind 5 to 10 kt becoming variable and less than 5 kt in the evening. Mostly cloudy. Mixed swell...W 2 ft and SSW 2 ft. Wind waves 1 ft or less.
Monday
Variable winds 5 kt or less. Partly sunny. Mixed swell...W 2 ft and SSW 2 ft. 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: 33.44°N 117.73°W
Last Update: 3:20 am PDT Jul 18, 2019
Forecast Valid: 6am PDT Jul 18, 2019-6pm PDT Jul 24, 2019
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