Heavy Rain and Flash Flooding in the West; Heat Expands in the Central U.S.

Monsoonal moisture will produce showers and thunderstorms with heavy rain over parts of the Southwest, Great Basin, and Central Rockies through Monday. Flash flooding is possible, especially in and around burn scars and in areas of steep terrain. Heat will persist across the Central U.S. early this week, spreading into the Ohio Valley and Mid-Atlantic later this week. Read More >

For More Weather Information:

Philadelphia, PA Local Forecast Office

24NM NNE Lewes DE

Marine Point Forecast

[NOTICE]
    • Today

      Today:Variable winds 5 kt or less. Isolated showers.   Waves 1 ft or less.

      High: 83 °F

      Light Wind
      < 1ft

    • Tonight

      Tonight:Variable winds 5 kt or less. A slight chance of showers and thunderstorms before 1am.   Waves 1 ft or less.

      Low: 73 °F

      Light Wind
      < 1ft

    • Tuesday

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

      High: 89 °F

      Light Wind
      < 1ft

    • Tuesday Night

      Tuesday Night:Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly before 2am.   Waves 1 ft or less.

      Low: 73 °F

      Light Wind
      < 1ft

    • Wednesday

      Wednesday:Variable winds 5 kt or less. A slight chance of showers and thunderstorms before 8am.   Waves 1 ft or less.

      High: 85 °F

      Light Wind
      < 1ft

    • Wednesday Night

      Wednesday Night:Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly before 2am.   Waves 1 ft or less.

      Low: 74 °F

      Light Wind
      < 1ft

    • Thursday

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

      High: 90 °F

      Light Wind
      < 1ft

    • Thursday Night

      Thursday Night:Variable winds 5 kt or less. A chance of showers.   Waves 1 ft or less.

      Low: 73 °F

      Light Wind
      < 1ft

    • Friday

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

      High: 83 °F

      Light Wind
      < 1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:08 am EDT Aug 31, 2026
Forecast Valid: 6am EDT Aug 31, 2026-6pm EDT Sep 6, 2026

View Nearby Observations

Detailed Forecast


Today
Variable winds 5 kt or less. Isolated showers. Waves 1 ft or less.
Tonight
Variable winds 5 kt or less. A slight chance of showers and thunderstorms before 1am. Waves 1 ft or less.
Tuesday
Variable winds 5 kt or less. Mostly cloudy, then gradually becoming sunny. Waves 1 ft or less.
Tuesday Night
Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly before 2am. Waves 1 ft or less.
Wednesday
Variable winds 5 kt or less. A slight chance of showers and thunderstorms before 8am. Waves 1 ft or less.
Wednesday Night
Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly before 2am. 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 chance of showers. Waves 1 ft or less.
Friday
Variable winds 5 kt or less. Mostly sunny. 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: 39.12°N 74.88°W
Last Update: 4:08 am EDT Aug 31, 2026
Forecast Valid: 6am EDT Aug 31, 2026-6pm EDT Sep 6, 2026
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