Severe Thunderstorm and Tropical Storm Bertha Impacts

Numerous severe thunderstorms are expected across a broad region from the Ohio Valley to the Mid-Atlantic and Northeast States today into tonight. Swaths of damaging wind gusts are expected and some tornadoes are possible. Bertha is expected to bring tropical storm conditions to portions of the Gulf Coast from the Florida Panhandle westward to southeastern Louisiana later today and Wednesday. Read More >

For More Weather Information:

Philadelphia, PA Local Forecast Office

20NM S New York NY

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:S wind 10 to 15 kt, with gusts as high as 20 kt. Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms likely, mainly after 5pm.   Seas 1 ft or less.

      High: 81 °F

      S 15kt
      < 1ft

    • Tonight

      Tonight:SSW wind 10 to 15 kt, with gusts as high as 20 kt. Showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 5am, then a chance of showers and thunderstorms after 5am. Some of the storms could be severe and produce heavy rainfall.   Seas 1 ft or less.

      Low: 72 °F

      SSW 15kt
      < 1ft

    • Wednesday

      Wednesday:WSW wind around 10 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms, mainly between 2pm and 5pm.   Seas 1 ft or less.

      High: 83 °F

      WSW 10kt
      < 1ft

    • Wednesday Night

      Wednesday Night:W wind 5 to 10 kt becoming N after midnight. A chance of showers and thunderstorms, mainly between 7pm and 8pm.   Seas 1 ft or less.

      Low: 68 °F

      NNW 10kt
      < 1ft

    • Thursday

      Thursday:N wind 7 to 10 kt becoming NE 5 to 8 kt in the afternoon. Sunny. Seas 1 ft or less.

      High: 77 °F

      N 10kt⇓
      < 1ft

    • Thursday Night

      Thursday Night:Variable winds 5 kt or less. Clear. Seas 1 ft or less.

      Low: 68 °F

      Light Wind
      < 1ft

    • Friday

      Friday:Variable winds 5 kt or less. Sunny. Seas 1 ft or less.

      High: 78 °F

      Light Wind
      < 1ft

    • Friday Night

      Friday Night:Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.

      Low: 69 °F

      Light Wind
      < 1ft

    • Saturday

      Saturday:Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.

      High: 75 °F

      Light Wind
      < 1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 5:47 am EDT Jul 21, 2026
Forecast Valid: 12pm EDT Jul 21, 2026-6pm EDT Jul 27, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH

This Afternoon
S wind 10 to 15 kt, with gusts as high as 20 kt. Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms likely, mainly after 5pm. Seas 1 ft or less.
Tonight
SSW wind 10 to 15 kt, with gusts as high as 20 kt. Showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 5am, then a chance of showers and thunderstorms after 5am. Some of the storms could be severe and produce heavy rainfall. Seas 1 ft or less.
Wednesday
WSW wind around 10 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms, mainly between 2pm and 5pm. Seas 1 ft or less.
Wednesday Night
W wind 5 to 10 kt becoming N after midnight. A chance of showers and thunderstorms, mainly between 7pm and 8pm. Seas 1 ft or less.
Thursday
N wind 7 to 10 kt becoming NE 5 to 8 kt in the afternoon. Sunny. Seas 1 ft or less.
Thursday Night
Variable winds 5 kt or less. Clear. Seas 1 ft or less.
Friday
Variable winds 5 kt or less. Sunny. Seas 1 ft or less.
Friday Night
Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.
Saturday
Variable winds 5 kt or less. Mostly sunny. Seas 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.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

Point Forecast: 40.38°N 74.02°W
Last Update: 5:47 am EDT Jul 21, 2026
Forecast Valid: 12pm EDT Jul 21, 2026-6pm EDT Jul 27, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data