Briefing for Late June Heat Wave

An early season heat wave will bring dangerously hot and humid conditions across most of the region beginning Sunday through Wednesday. Read More >

For More Weather Information:

Philadelphia, PA Local Forecast Office

20NM NNW Lewes DE

Marine Point Forecast

[NOTICE]
    • Wednesday

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

      High: 87 °F

      Light Wind
      < 1ft

    • Wednesday Night

      Wednesday Night:Variable winds 5 kt or less. A chance of showers and thunderstorms before 5am, then a slight chance of showers.   Waves around 1 ft.

      Low: 75 °F

      Light Wind
      1ft

    • Thursday

      Thursday:NNE wind 5 to 10 kt becoming ESE in the afternoon. A chance of showers, with thunderstorms also possible after 11am.   Waves around 1 ft.

      High: 81 °F

      ESE 10kt
      1ft

    • Thursday Night

      Thursday Night:ENE wind around 10 kt. A chance of showers and thunderstorms.   Waves around 1 ft.

      Low: 69 °F

      ENE 10kt
      1ft

    • Friday

      Friday:ENE wind around 10 kt. A chance of showers and thunderstorms, mainly before 2pm.   Waves around 1 ft.

      High: 74 °F

      ENE 10kt
      1ft

    • Friday Night

      Friday Night:ESE wind 5 to 10 kt. A slight chance of showers and thunderstorms.   Waves around 1 ft.

      Low: 70 °F

      ESE 10kt
      1ft

    • Saturday

      Saturday:Variable winds 5 kt or less. A chance of showers and thunderstorms after 2pm.   Waves around 1 ft.

      High: 80 °F

      Light Wind
      1ft

    • Saturday Night

      Saturday Night:SSE wind 5 to 10 kt becoming SW after midnight. A chance of showers and thunderstorms before 2am.   Waves around 1 ft.

      Low: 74 °F

      SSE 10kt
      1ft

    • Sunday

      Sunday:Variable winds 5 kt or less. A chance of showers and thunderstorms after 2pm.   Waves around 1 ft.

      High: 82 °F

      Light Wind
      1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:11 pm EDT Jun 24, 2025
Forecast Valid: 3am EDT Jun 25, 2025-6pm EDT Jul 1, 2025

View Nearby Observations

Detailed Forecast


Wednesday
Variable winds 5 kt or less. Sunny. Waves 1 ft or less.
Wednesday Night
Variable winds 5 kt or less. A chance of showers and thunderstorms before 5am, then a slight chance of showers. Waves around 1 ft.
Thursday
NNE wind 5 to 10 kt becoming ESE in the afternoon. A chance of showers, with thunderstorms also possible after 11am. Waves around 1 ft.
Thursday Night
ENE wind around 10 kt. A chance of showers and thunderstorms. Waves around 1 ft.
Friday
ENE wind around 10 kt. A chance of showers and thunderstorms, mainly before 2pm. Waves around 1 ft.
Friday Night
ESE wind 5 to 10 kt. A slight chance of showers and thunderstorms. Waves around 1 ft.
Saturday
Variable winds 5 kt or less. A chance of showers and thunderstorms after 2pm. Waves around 1 ft.
Saturday Night
SSE wind 5 to 10 kt becoming SW after midnight. A chance of showers and thunderstorms before 2am. Waves around 1 ft.
Sunday
Variable winds 5 kt or less. A chance of showers and thunderstorms after 2pm. 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.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

Point Forecast: 39.1°N 75.26°W
Last Update: 4:11 pm EDT Jun 24, 2025
Forecast Valid: 3am EDT Jun 25, 2025-6pm EDT Jul 1, 2025
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data