Widespread Summer Heat; Multiple Spots For Severe Weather

A large ridge of high pressure continues to deliver summer heat w/ humidity in several sections of the country. Excessive heat warnings and heat advisories are in effect across the Desert Southwest, south-central Plains, Mid to Lower Mississippi Valley and a small part of the Mid-Atlantic. Meanwhile, severe thunderstorms are possible from the Mid-Atlantic to the Ohio Valley and central Plains.
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5NM SSE Annapolis MD

Marine Point Forecast

[NOTICE]
  • Tonight

    Isolated Thunderstorms

    S 6kt
    1ft
  • Wednesday

    Scattered Thunderstorms

    Winds IncreasingS 15kt
    1-2ft

    Small Craft Advisory
    Small Craft Advisory

  • Wednesday
    Night

    Scattered Thunderstorms

    SSW 10kt
    1-2ft

    Small Craft Advisory
    Small Craft Advisory

  • Thursday

    Chance Thunderstorms

    W 7kt
    1ft
  • Thursday
    Night

    Chance Thunderstorms

    Winds IncreasingNNW 6kt
    < 1ft
  • Friday

    Chance Thunderstorms

    N 8kt
    1ft
  • Friday
    Night

    Chance Showers

    NNE 8kt
    1ft
  • Saturday

    Mostly Sunny

    NNE 8kt
    1ft
  • Saturday
    Night

    Mostly Clear

    ENE 6kt
    < 1ft

Associated Zone Forecast which includes this point

Last Update: 7:53 pm EDT Aug 20, 2019
Forecast Valid: 9pm EDT Aug 20, 2019-6pm EDT Aug 27, 2019

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Detailed Forecast

...SEVERE THUNDERSTORM WATCH 605 IN EFFECT UNTIL 9 PM EDT THIS

Synopsis: High pressure in the Atlantic will promote a light southerly flow over the region into Wednesday. A cold front will approach the waters late Wednesday night into Thursday and stall near or south of the area into Friday. High pressure will then settle over the area Saturday into Sunday.

Tonight
SSE wind around 6 kt becoming S after midnight. Isolated showers and thunderstorms between 11pm and 2am. Seas around 1 ft.
Wednesday
SSW wind 8 to 11 kt becoming S 12 to 15 kt in the afternoon. Winds could gust as high as 22 kt. Scattered showers and thunderstorms after 2pm. Seas 1 to 2 ft.
Wednesday Night
SSW wind 7 to 10 kt becoming WSW after midnight. Scattered showers and thunderstorms before 2am. Seas 1 to 2 ft.
Thursday
W wind around 7 kt becoming SW in the afternoon. A chance of showers and thunderstorms, mainly after 2pm. Seas around 1 ft.
Thursday Night
Variable winds less than 5 kt becoming NNW around 6 kt in the evening. A chance of showers and thunderstorms. Seas 1 ft or less.
Friday
N wind 5 to 8 kt. A chance of showers, with thunderstorms also possible after 8am. Seas around 1 ft.
Friday Night
NNE wind 6 to 8 kt. A chance of showers. Seas around 1 ft.
Saturday
NNE wind around 8 kt. Mostly sunny. Seas around 1 ft.
Saturday Night
ENE wind around 6 kt. Mostly clear. Seas 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: 38.89°N 76.45°W
Last Update: 7:53 pm EDT Aug 20, 2019
Forecast Valid: 9pm EDT Aug 20, 2019-6pm EDT Aug 27, 2019
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