Flash Flood Threat to Persist in the 4-Corners; Heat Threat in Several Regions

The threat of flash flooding will continue to exist into Monday across the Southwest into the the central Rockies as monsoon conditions persist. Dangerous heat will be in place across the Intermountain West, northern Plains, and into the southern Plains and Lower Mississippi River Valley into early week.
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12NM NE Annapolis MD

Marine Point Forecast

[NOTICE]
  • Overnight

    Chance Showers

    S 32km/h
    1m

    Small Craft Advisory
    Small Craft Advisory

  • Sunday

    Chance Thunderstorms

    SSW 24km/h
    1m

    Small Craft Advisory
    Small Craft Advisory

  • Sunday
    Night

    Chance Thunderstorms

    S 18km/hWinds Decreasing
    < 1m

    Small Craft Advisory
    Small Craft Advisory

  • Monday

    Chance Thunderstorms

    WNW 10km/h
    < 1m
  • Monday
    Night

    Chance Thunderstorms

    WNW 10km/h
    < 1m
  • Tuesday

    Slight Chc Thunderstorms

    NNW 8km/h
    < 1m
  • Tuesday
    Night

    Mostly Clear

    SSW 10km/h
    < 1m
  • Wednesday

    Sunny

    N 8km/h
    < 1m
  • Wednesday
    Night

    Mostly Clear

    SSW 10km/h
    < 1m

Associated Zone Forecast which includes this point

Last Update: 10:33 pm EDT Jul 24, 2021
Forecast Valid: 12am EDT Jul 25, 2021-6pm EDT Jul 31, 2021

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Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY EVENING...

Synopsis: High pressure will move offshore through tonight and a warm front will pass through the area late tonight into early Sunday. A cold front will approach the waters late Sunday before passing through Monday into Monday night. The boundary will stall just to the south for the middle portion of next week. Small Craft Advisories may be needed for portions of the waters Sunday night.

Overnight
S wind 29 to 32 km/h, with gusts as high as 48 km/h. A chance of showers and thunderstorms, mainly before 2am. Seas around 1 m.
Sunday
SSW wind 21 to 24 km/h, with gusts as high as 37 km/h. A slight chance of showers, then a chance of showers and thunderstorms after 3pm. Seas around 1 m.
Sunday Night
S wind 15 to 18 km/h becoming SW 10 to 13 km/h after midnight. Winds could gust as high as 34 km/h. A chance of showers and thunderstorms, mainly between 10pm and 11pm. Seas 1 m or less.
Monday
WNW wind 8 to 10 km/h becoming NNW in the afternoon. A slight chance of showers, then a chance of showers and thunderstorms after 11am. Seas 1 m or less.
Monday Night
WNW wind around 10 km/h. A chance of showers and thunderstorms before 8pm. Seas 1 m or less.
Tuesday
NNW wind around 8 km/h becoming SSW in the afternoon. A slight chance of showers, with thunderstorms also possible after 2pm. Seas 1 m or less.
Tuesday Night
SSW wind 8 to 10 km/h becoming W after midnight. Mostly clear. Seas 1 m or less.
Wednesday
N wind around 8 km/h becoming SW in the afternoon. Sunny. Seas 1 m or less.
Wednesday Night
S wind 8 to 10 km/h becoming SW after midnight. Mostly clear. Seas 1 m or less.

Winds and waves higher and visibilities lower in and near tstms.

*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: 39.1°N 76.33°W
Last Update: 10:33 pm EDT Jul 24, 2021
Forecast Valid: 12am EDT Jul 25, 2021-6pm EDT Jul 31, 2021
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