Severe Thunderstorms and Flash Flooding Risks - Saturday, July 18th

Scattered to numerous severe thunderstorms are likely across the region on Saturday, July 18th, including a risk of flash flooding for portions of the area. View this briefing for the details regarding these hazards. Read More >

For More Weather Information:

Philadelphia, PA Local Forecast Office

24NM NNE Lewes DE

Marine Point Forecast

[NOTICE]
    • Today

      Today:S wind 5 to 10 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Some of the storms could be severe.  Widespread smoke, mainly before 11am.  Waves 1 ft or less.

      High: 87 °F

      S 10kt
      < 1ft

    • Tonight

      Tonight:S wind 10 to 15 kt becoming SW after midnight. Showers and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms, mainly between midnight and 4am. Some of the storms could be severe.   Waves 1 ft or less.

      Low: 75 °F

      S 15kt
      < 1ft

    • Sunday

      Sunday:NW wind around 10 kt. A slight chance of showers and thunderstorms before 7am.   Waves around 1 ft.

      High: 85 °F

      NW 10kt
      1ft

    • Sunday Night

      Sunday Night:Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.

      Low: 69 °F

      Light Wind
      < 1ft

    • Monday

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

      High: 82 °F

      Light Wind
      < 1ft

    • Monday Night

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

      Low: 72 °F

      Light Wind
      < 1ft

    • Tuesday

      Tuesday:S wind 5 to 10 kt. A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm.   Waves 1 ft or less.

      High: 82 °F

      S 10kt
      < 1ft

    • Tuesday Night

      Tuesday Night:SW wind around 15 kt, with gusts as high as 25 kt. Showers and possibly a thunderstorm.   Waves 1 to 2 ft.

      Low: 75 °F

      SW 15kt
      1-2ft

    • Wednesday

      Wednesday:WSW wind 10 to 15 kt, with gusts as high as 20 kt. Showers likely and possibly a thunderstorm.   Waves around 1 ft.

      High: 85 °F

      WSW 15kt
      1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:08 am EDT Jul 18, 2026
Forecast Valid: 8am EDT Jul 18, 2026-6pm EDT Jul 24, 2026

View Nearby Observations

Detailed Forecast


Today
S wind 5 to 10 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Some of the storms could be severe. Widespread smoke, mainly before 11am. Waves 1 ft or less.
Tonight
S wind 10 to 15 kt becoming SW after midnight. Showers and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms, mainly between midnight and 4am. Some of the storms could be severe. Waves 1 ft or less.
Sunday
NW wind around 10 kt. A slight chance of showers and thunderstorms before 7am. Waves around 1 ft.
Sunday Night
Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.
Monday
Variable winds 5 kt or less. Sunny. Waves 1 ft or less.
Monday Night
Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly after 2am. Waves 1 ft or less.
Tuesday
S wind 5 to 10 kt. A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Waves 1 ft or less.
Tuesday Night
SW wind around 15 kt, with gusts as high as 25 kt. Showers and possibly a thunderstorm. Waves 1 to 2 ft.
Wednesday
WSW wind 10 to 15 kt, with gusts as high as 20 kt. Showers likely and possibly a thunderstorm. Waves around 1 ft.

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 Jul 18, 2026
Forecast Valid: 8am EDT Jul 18, 2026-6pm EDT Jul 24, 2026
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