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 >

Hazardous Weather Conditions

Tornado Watch in effect from July 18, 01:55 PM EDT until July 18, 09:00 PM EDT

For More Weather Information:

Philadelphia, PA Local Forecast Office

35NM S Philadelphia PA

Marine Point Forecast

[NOTICE]

This Afternoon
High: 89 °F
SSW 10kt
< 1ft
Tonight
Low: 73 °F
WSW 10kt
< 1ft
Sunday
High: 85 °F
NW 10kt
< 1ft
Sunday Night
Low: 66 °F
Light Wind
< 1ft
Monday
High: 83 °F
Light Wind
< 1ft
Monday Night
Low: 72 °F
Light Wind
< 1ft
Tuesday
High: 82 °F
S 10kt
< 1ft
Tuesday Night
Low: 74 °F
SSW 10kt
< 1ft
Wednesday
High: 85 °F
W 10kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:02 pm EDT Jul 18, 2026
Forecast Valid: 3pm EDT Jul 18, 2026-6pm EDT Jul 25, 2026

View Nearby Observations

Detailed Forecast

...TORNADO WATCH 495 IN EFFECT UNTIL 9 PM EDT THIS EVENING...

This Afternoon

SSW wind around 10 kt. A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Some of the storms could be severe. Areas of smoke. Waves 1 ft or less.

Tonight

WSW wind 5 to 10 kt. Showers and thunderstorms, mainly before midnight. Some of the storms could be severe. Waves 1 ft or less.

Sunday

NW wind 5 to 10 kt. Partly sunny, then gradually becoming sunny. Waves 1 ft or less.

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

SSW wind around 10 kt. Showers and possibly a thunderstorm before 2am, then showers likely. Waves 1 ft or less.

Wednesday

W wind around 10 kt. Showers likely, with thunderstorms also possible after 2pm. Waves 1 ft or less.

*Notices:

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.
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.