Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

For More Weather Information:

Philadelphia, PA Local Forecast Office

27NM SW Philadelphia PA

Marine Point Forecast

[NOTICE]
    • Sunday

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

      High: 91 °F

      Light Wind
      < 1ft

    • Sunday Night

      Sunday Night:Variable winds 5 kt or less. A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 4am.   Waves 1 ft or less.

      Low: 71 °F

      Light Wind
      < 1ft

    • Monday

      Monday:NE wind around 10 kt. A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm.   Waves 1 ft or less.

      High: 76 °F

      NE 10kt
      < 1ft

    • Monday Night

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

      Low: 67 °F

      ENE 10kt
      < 1ft

    • Tuesday

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

      High: 76 °F

      Light Wind
      < 1ft

    • Tuesday Night

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

      Low: 67 °F

      Light Wind
      < 1ft

    • Wednesday

      Wednesday:Variable winds 5 kt or less. A chance of showers after 2pm.   Waves 1 ft or less.

      High: 81 °F

      Light Wind
      < 1ft

    • Wednesday Night

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

      Low: 66 °F

      Light Wind
      < 1ft

    • Thursday

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

      High: 81 °F

      NNE 10kt
      < 1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:22 am EDT Aug 17, 2025
Forecast Valid: 4am EDT Aug 17, 2025-6pm EDT Aug 23, 2025

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Detailed Forecast


Sunday
Variable winds 5 kt or less. Sunny. Waves 1 ft or less.
Sunday Night
Variable winds 5 kt or less. A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 4am. Waves 1 ft or less.
Monday
NE wind around 10 kt. A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Waves 1 ft or less.
Monday Night
ENE wind around 10 kt. A chance of showers and thunderstorms. Waves 1 ft or less.
Tuesday
Variable winds 5 kt or less. A chance of showers, with thunderstorms also possible after 2pm. Waves 1 ft or less.
Tuesday Night
Variable winds 5 kt or less. A chance of showers and thunderstorms. Waves 1 ft or less.
Wednesday
Variable winds 5 kt or less. A chance of showers after 2pm. Waves 1 ft or less.
Wednesday Night
Variable winds 5 kt or less. A chance of showers. Waves 1 ft or less.
Thursday
NNE wind 5 to 10 kt. A chance of showers. Waves 1 ft or less.

*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: 39.65°N 75.59°W
Last Update: 4:22 am EDT Aug 17, 2025
Forecast Valid: 4am EDT Aug 17, 2025-6pm EDT Aug 23, 2025
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