Severe Weather and Heavy Rainfall in the Ohio Valley; Heat Continuing in the South and Southeast

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians tonight. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. Read More >

For More Weather Information:

Philadelphia, PA Local Forecast Office

33NM NNW Lewes DE

Marine Point Forecast

[NOTICE]
    • Today

      Today:Variable winds 5 kt or less. Mostly cloudy, then gradually becoming sunny. Waves 1 ft or less.

      High: 87 °F

      Light Wind
      < 1ft

    • Tonight

      Tonight:Variable winds 5 kt or less. A slight chance of showers and thunderstorms before 2am, then a slight chance of showers after 3am.   Waves 1 ft or less.

      Low: 69 °F

      Light Wind
      < 1ft

    • Thursday

      Thursday:Variable winds 5 kt or less. Mostly sunny. Waves 1 ft or less.

      High: 88 °F

      Light Wind
      < 1ft

    • Thursday Night

      Thursday Night:Variable winds 5 kt or less. A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am, then a chance of showers and thunderstorms after 2am.   Waves 1 ft or less.

      Low: 71 °F

      Light Wind
      < 1ft

    • Friday

      Friday:Variable winds 5 kt or less. A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am.   Waves 1 ft or less.

      High: 86 °F

      Light Wind
      < 1ft

    • Friday Night

      Friday Night:Variable winds 5 kt or less. A slight chance of thunderstorms before 8pm.   Waves 1 ft or less.

      Low: 67 °F

      Light Wind
      < 1ft

    • Saturday

      Saturday:Variable winds 5 kt or less. Sunny. Waves 1 ft or less.

      High: 84 °F

      Light Wind
      < 1ft

    • Saturday Night

      Saturday Night:Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.

      Low: 64 °F

      Light Wind
      < 1ft

    • Sunday

      Sunday:S wind 5 to 10 kt. A chance of showers.   Waves 1 ft or less.

      High: 86 °F

      S 10kt
      < 1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:09 am EDT Aug 12, 2026
Forecast Valid: 5am EDT Aug 12, 2026-6pm EDT Aug 18, 2026

View Nearby Observations

Detailed Forecast


Today
Variable winds 5 kt or less. Mostly cloudy, then gradually becoming sunny. Waves 1 ft or less.
Tonight
Variable winds 5 kt or less. A slight chance of showers and thunderstorms before 2am, then a slight chance of showers after 3am. Waves 1 ft or less.
Thursday
Variable winds 5 kt or less. Mostly sunny. Waves 1 ft or less.
Thursday Night
Variable winds 5 kt or less. A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Waves 1 ft or less.
Friday
Variable winds 5 kt or less. A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Waves 1 ft or less.
Friday Night
Variable winds 5 kt or less. A slight chance of thunderstorms before 8pm. Waves 1 ft or less.
Saturday
Variable winds 5 kt or less. Sunny. Waves 1 ft or less.
Saturday Night
Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.
Sunday
S wind 5 to 10 kt. A chance of showers. Waves 1 ft or less.

Winds and seas higher 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: 39.24°N 75.52°W
Last Update: 4:09 am EDT Aug 12, 2026
Forecast Valid: 5am EDT Aug 12, 2026-6pm EDT Aug 18, 2026
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