Dangerous Heat and Humidity Through Saturday

Dangerously hot and humid conditions are expected to continue through Saturday. Additionally, there will be a threat of thunderstorms through Sunday. View this briefing for details. Read More >

For More Weather Information:

Philadelphia, PA Local Forecast Office

35NM S Philadelphia PA

Marine Point Forecast

[NOTICE]
    • Independence Day

      Independence Day:NNW wind 5 to 10 kt becoming W in the afternoon. A slight chance of showers and thunderstorms after 5pm. Some of the storms could produce heavy rainfall.   Waves 1 ft or less.

      High: 99 °F

      WNW 10kt
      < 1ft

    • Tonight

      Tonight:Variable winds 5 kt or less. A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am, then a slight chance of showers and thunderstorms after 3am. Some of the storms could produce heavy rainfall.   Waves 1 ft or less.

      Low: 74 °F

      Light Wind
      < 1ft

    • Sunday

      Sunday:Variable winds 5 kt or less. A chance of showers, with thunderstorms also possible after 2pm.   Waves 1 ft or less.

      High: 89 °F

      Light Wind
      < 1ft

    • Sunday Night

      Sunday Night:Variable winds 5 kt or less. Showers and thunderstorms likely before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am.   Waves 1 ft or less.

      Low: 70 °F

      Light Wind
      < 1ft

    • Monday

      Monday:Variable winds 5 kt or less. Showers likely, then showers and possibly a thunderstorm after 11am.   Waves 1 ft or less.

      High: 84 °F

      Light Wind
      < 1ft

    • Monday Night

      Monday Night:Variable winds 5 kt or less. Showers and possibly a thunderstorm.   Waves 1 ft or less.

      Low: 69 °F

      Light Wind
      < 1ft

    • Tuesday

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

      High: 86 °F

      NE 10kt
      < 1ft

    • Tuesday Night

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

      Low: 68 °F

      Light Wind
      < 1ft

    • Wednesday

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

      High: 85 °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 Jul 4, 2026
Forecast Valid: 6am EDT Jul 4, 2026-6pm EDT Jul 10, 2026

View Nearby Observations

Detailed Forecast


Independence Day
NNW wind 5 to 10 kt becoming W in the afternoon. A slight chance of showers and thunderstorms after 5pm. Some of the storms could produce heavy rainfall. Waves 1 ft or less.
Tonight
Variable winds 5 kt or less. A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am, then a slight chance of showers and thunderstorms after 3am. Some of the storms could produce heavy rainfall. Waves 1 ft or less.
Sunday
Variable winds 5 kt or less. A chance of showers, with thunderstorms also possible after 2pm. Waves 1 ft or less.
Sunday Night
Variable winds 5 kt or less. Showers and thunderstorms likely before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Waves 1 ft or less.
Monday
Variable winds 5 kt or less. Showers likely, then showers and possibly a thunderstorm after 11am. Waves 1 ft or less.
Monday Night
Variable winds 5 kt or less. Showers and possibly a thunderstorm. Waves 1 ft or less.
Tuesday
NE wind 5 to 10 kt. Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Waves 1 ft or less.
Tuesday Night
Variable winds 5 kt or less. A chance of showers and thunderstorms before 2am. Waves 1 ft or less.
Wednesday
Variable winds 5 kt or less. Partly 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: 39.39°N 75.24°W
Last Update: 4:08 am EDT Jul 4, 2026
Forecast Valid: 6am EDT Jul 4, 2026-6pm EDT Jul 10, 2026
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