Severe Thunderstorms, Heavy Rainfall and Dangerous Heat

Severe thunderstorms are expected today and Friday from the upper Midwest, central Great Lakes into the Ohio and mid-Mississippi Valley's. In addition, heavy rainfall threat increases on Friday across the Ohio Valley. Meanwhile, early summer-like heat wave across portions of southern Texas with new daily records are forecast today and through the weekend; The heat spreads across the Gulf States. Read More >

Hazardous Weather Conditions

12NM S Annapolis MD

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:Variable winds 5 kt or less. Isolated showers and thunderstorms after 5am.   Waves 1 ft or less.

      Light Wind
      < 1ft

    • Friday

      Friday:Variable winds less than 5 kt becoming SSW around 6 kt in the afternoon. Isolated showers and thunderstorms before 8am, then scattered showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm.   Waves 1 ft or less.

      ⇑SSW 6kt
      < 1ft

    • Friday Night

      Friday Night:SSW wind around 7 kt. A chance of showers and thunderstorms. Some of the storms could be severe.   Waves around 1 ft.

      SSW 7kt
      1ft

    • Saturday

      Saturday:SSW wind 8 to 11 kt becoming WSW in the afternoon. A chance of showers and thunderstorms before 2pm, then a slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Some of the storms could be severe.   Waves around 1 ft.

      WSW 11kt
      1ft

    • Saturday Night

      Saturday Night:WSW wind around 10 kt becoming WNW in the evening. A slight chance of showers and thunderstorms before 8pm.   Waves around 1 ft.

      WSW 10kt
      1ft

    • Sunday

      Sunday:WNW wind 11 to 14 kt. Sunny. Waves 1 to 2 ft.

      WNW 14kt
      1-2ft

    • Sunday Night

      Sunday Night:WNW wind 10 to 12 kt. Mostly clear. Waves around 1 ft.

      WNW 12kt
      1ft

    • Monday

      Monday:NW wind 10 to 12 kt. Sunny. Waves around 1 ft.

      NW 12kt
      1ft

    • Monday Night

      Monday Night:NW wind 9 to 12 kt becoming N after midnight. Mostly clear. Waves around 1 ft.

      N 12kt
      1ft


Associated Zone Forecast which includes this point

Last Update: 7:30 pm EDT May 15, 2025
Forecast Valid: 12am EDT May 16, 2025-6pm EDT May 22, 2025

View Nearby Observations

Detailed Forecast


Overnight
Variable winds 5 kt or less. Isolated showers and thunderstorms after 5am. Waves 1 ft or less.
Friday
Variable winds less than 5 kt becoming SSW around 6 kt in the afternoon. Isolated showers and thunderstorms before 8am, then scattered showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Waves 1 ft or less.
Friday Night
SSW wind around 7 kt. A chance of showers and thunderstorms. Some of the storms could be severe. Waves around 1 ft.
Saturday
SSW wind 8 to 11 kt becoming WSW in the afternoon. A chance of showers and thunderstorms before 2pm, then a slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Some of the storms could be severe. Waves around 1 ft.
Saturday Night
WSW wind around 10 kt becoming WNW in the evening. A slight chance of showers and thunderstorms before 8pm. Waves around 1 ft.
Sunday
WNW wind 11 to 14 kt. Sunny. Waves 1 to 2 ft.
Sunday Night
WNW wind 10 to 12 kt. Mostly clear. Waves around 1 ft.
Monday
NW wind 10 to 12 kt. Sunny. Waves around 1 ft.
Monday Night
NW wind 9 to 12 kt becoming N after midnight. Mostly clear. Waves around 1 ft.

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: 38.78°N 76.44°W
Last Update: 7:30 pm EDT May 15, 2025
Forecast Valid: 12am EDT May 16, 2025-6pm EDT May 22, 2025
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