Dangerous Heat Building in the West; Severe Storms in the Upper Midwest

A long duration heat wave will build across the Southwest, California, and Pacific Northwest. Dangerous heat is also forecast for the Great Basin and South Plains. Severe storms in the Upper Midwest may have locally heavy rain, damaging winds, and very large hail. Heavy rain and flooding will also be possible in the Deep South and Appalachians.
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Hazardous Weather Conditions

For More Weather Information:

San Juan, PR Local Forecast Office

25NM SSW Vieques PR

Marine Point Forecast

[NOTICE]
  • Overnight

    Scattered Showers

    ENE 17kt
    4ft

    Low: 82 °F

  • Friday

    Scattered Showers

    ENE 16kt
    4ft

    High: 84 °F

  • Friday
    Night

    Scattered Showers

    ENE 19kt
    4ft

    Low: 82 °F

  • Saturday

    Scattered Showers

    ENE 13kt
    3ft

    High: 83 °F

  • Saturday
    Night

    Scattered Showers

    ENE 9ktWinds Decreasing
    2-3ft

    Low: 82 °F

  • Sunday

    Scattered Showers

    SE 8kt
    2ft

    High: 83 °F

  • Sunday
    Night

    Scattered Showers

    E 14kt
    2-3ft

    Low: 83 °F

  • Monday

    Scattered Showers

    E 15kt
    3ft

    High: 84 °F

  • Monday
    Night

    Partly Cloudy

    E 16kt
    4ft

    Low: 83 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 7:30 pm EDT Aug 13, 2020
Forecast Valid: 2am EDT Aug 14, 2020-6pm EDT Aug 20, 2020

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Detailed Forecast

...SMALL CRAFT SHOULD EXERCISE CAUTION...

Overnight
ENE wind around 17 kt, with gusts as high as 23 kt. Scattered showers, mainly before 3am. Seas around 4 ft.
Friday
ENE wind around 16 kt, with gusts as high as 22 kt. Scattered showers, mainly after 3pm. Seas around 4 ft.
Friday Night
ENE wind 16 to 19 kt, with gusts as high as 26 kt. Scattered showers. Seas around 4 ft.
Saturday
ENE wind 9 to 13 kt. Isolated showers before 9am, then scattered showers after noon. Seas around 3 ft.
Saturday Night
ENE wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Scattered showers and thunderstorms. Seas 2 to 3 ft.
Sunday
SE wind 5 to 8 kt. Scattered showers, mainly before noon. Seas around 2 ft.
Sunday Night
E wind 11 to 14 kt. Scattered showers. Seas 2 to 3 ft.
Monday
E wind 13 to 15 kt, with gusts as high as 21 kt. Scattered showers. Seas around 3 ft.
Monday Night
E wind around 16 kt, with gusts as high as 22 kt. Partly cloudy. Seas around 4 ft.

*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: 17.75°N 65.54°W
Last Update: 7:30 pm EDT Aug 13, 2020
Forecast Valid: 2am EDT Aug 14, 2020-6pm EDT Aug 20, 2020
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