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

36NM E Christiansted VI

Marine Point Forecast

[NOTICE]
  • Overnight

    Isolated Showers

    ENE 17kt
    4ft

    Low: 82 °F

  • Friday

    Scattered Showers

    ENE 17kt
    4ft

    High: 84 °F

  • Friday
    Night

    Scattered Showers

    E 17kt
    4ft

    Low: 82 °F

  • Saturday

    Scattered Showers

    ENE 12kt
    3ft

    High: 83 °F

  • Saturday
    Night

    Scattered Showers

    SE 8kt
    3ft

    Low: 82 °F

  • Sunday

    Scattered Showers

    ESE 12kt
    3ft

    High: 83 °F

  • Sunday
    Night

    Scattered Showers

    E 17kt
    3-4ft

    Low: 83 °F

  • Monday

    Mostly Sunny

    E 18kt
    4ft

    High: 84 °F

  • Monday
    Night

    Partly Cloudy

    E 20kt
    4-5ft

    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: 1am EDT Aug 14, 2020-6pm EDT Aug 20, 2020

View Nearby Observations

Detailed Forecast

...SMALL CRAFT SHOULD EXERCISE CAUTION...

Overnight
ENE wind around 17 kt, with gusts as high as 23 kt. Isolated showers before 3am. Seas around 4 ft.
Friday
ENE wind 14 to 17 kt, with gusts as high as 23 kt. Scattered showers, mainly after 3pm. Seas around 4 ft.
Friday Night
E wind 14 to 17 kt, with gusts as high as 23 kt. Scattered showers, mainly before 9pm. Seas around 4 ft.
Saturday
ENE wind 7 to 12 kt. Scattered showers after 9am. Seas around 3 ft.
Saturday Night
E wind around 8 kt becoming SSE after midnight. Scattered showers and thunderstorms. Seas around 3 ft.
Sunday
ESE wind 9 to 12 kt. Scattered showers. Seas around 3 ft.
Sunday Night
E wind 14 to 17 kt, with gusts as high as 23 kt. Scattered showers. Seas 3 to 4 ft.
Monday
E wind 16 to 18 kt, with gusts as high as 24 kt. Mostly sunny. Seas around 4 ft.
Monday Night
E wind 18 to 20 kt, with gusts as high as 27 kt. Partly cloudy. Seas 4 to 5 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 64.08°W
Last Update: 7:30 pm EDT Aug 13, 2020
Forecast Valid: 1am EDT Aug 14, 2020-6pm EDT Aug 20, 2020
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