Blistering Heat Wave Across Southern Plains and Lower Mississippi Valley This Weekend; Wet Weather In The East

A scorching Heat Wave will continue across the southern tier of the country. Temperatures and Heat Indices will reach or easily surpass triple digits, as a ridge of high pressure dominates. Widespread Excessive Heat Warnings and Advisories are in effect, will persist and spread into the Southwest/CA next week. Meanwhile, locally heavy rain will be possible for the OH Valley/Mid-Atl/Northeast.
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Jacksonville, FL Local Forecast Office

40NM ENE Saint Augustine Beach FL

Marine Point Forecast

[NOTICE]
  • Today

    Chance Thunderstorms

    WSW 12kt
    3ft

    High: 85 °F

  • Tonight

    Slight Chc Thunderstorms

    SSW 13kt
    3-4ft

    Low: 81 °F

  • Sunday

    Chance Thunderstorms

    WSW 14kt
    3-4ft

    High: 86 °F

  • Sunday
    Night

    Chance Thunderstorms

    SW 14kt
    4ft

    Low: 81 °F

  • Monday

    Thunderstorms Likely

    SSW 16kt
    3-4ft

    High: 85 °F

  • Monday
    Night

    Thunderstorms Likely

    S 16kt
    5ft

    Low: 81 °F

  • Tuesday

    Thunderstorms Likely

    S 16kt
    4-5ft

    High: 85 °F

  • Tuesday
    Night

    Thunderstorms Likely

    S 17kt
    5-6ft

    Low: 80 °F

  • Wednesday

    Chance Thunderstorms

    S 14kt
    5ft

    High: 85 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 7:17 am EDT Jul 21, 2018
Forecast Valid: 8am EDT Jul 21, 2018-6pm EDT Jul 27, 2018

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Detailed Forecast


Synopsis: An area of low pressure along the Carolinas will strengthen as it moves northward. A weak frontal boundary across southeast Georgia will push towards the Florida border overnight. Another weak area of low pressure will drift southward over Georgia Sunday and along the northern Gulf coast through the middle of next week.

Today
WSW wind 9 to 12 kt. A chance of showers and thunderstorms, mainly before 3pm. Seas around 3 ft.
Tonight
S wind around 13 kt becoming WSW after midnight. A slight chance of showers and thunderstorms after 1am. Seas 3 to 4 ft.
Sunday
WSW wind 11 to 14 kt. A chance of showers and thunderstorms. Seas 3 to 4 ft.
Sunday Night
SW wind around 14 kt. A chance of showers and thunderstorms. Seas around 4 ft.
Monday
SSW wind 12 to 16 kt, with gusts as high as 22 kt. Showers and thunderstorms likely, mainly after 2pm. Seas 3 to 4 ft.
Monday Night
S wind around 16 kt, with gusts as high as 22 kt. Showers and thunderstorms likely, mainly before 2am. Seas around 5 ft.
Tuesday
S wind 13 to 16 kt, with gusts as high as 22 kt. Showers and thunderstorms likely, mainly after 8am. Seas 4 to 5 ft.
Tuesday Night
S wind 15 to 17 kt, with gusts as high as 24 kt. Showers and thunderstorms likely. Seas 5 to 6 ft.
Wednesday
S wind around 14 kt. A chance of showers and thunderstorms. Seas around 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: 30.04°N 80.55°W
Last Update: 7:17 am EDT Jul 21, 2018
Forecast Valid: 8am EDT Jul 21, 2018-6pm EDT Jul 27, 2018
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