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

Small Craft Advisory in effect from July 18, 12:00 PM EDT until July 19, 04:00 AM EDT

For More Weather Information:

Philadelphia, PA Local Forecast Office

40NM S New York NY

Marine Point Forecast

[NOTICE]

Tonight
Low: 73 °F
Light Wind
1-2ft
Saturday
High: 80 °F
S 15kt
2ft

Small Craft Advisory
Saturday Night
Low: 72 °F
SW 10kt
3-4ft

Small Craft Advisory
Sunday
High: 80 °F
NNW 10kt
2-3ft
Sunday Night
Low: 70 °F
Light Wind
2ft
Monday
High: 77 °F
SE 10kt
2ft
Monday Night
Low: 72 °F
S 10kt
2ft
Tuesday
High: 84 °F
⇑S 15kt
3-4ft
Tuesday Night
Low: 74 °F
SSW 15kt
4-5ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:08 pm EDT Jul 17, 2026
Forecast Valid: 9pm EDT Jul 17, 2026-6pm EDT Jul 24, 2026

View Nearby Observations

Detailed Forecast

Tonight

Variable winds 5 kt or less. Widespread smoke, mainly after 4am. Seas 1 to 2 ft.

Saturday

S wind 10 to 15 kt, with gusts as high as 20 kt. Showers and thunderstorms likely before 2pm, then showers and possibly a thunderstorm between 2pm and 4pm, then showers and thunderstorms likely after 4pm. Some of the storms could produce heavy rainfall. Areas of smoke before 1pm. Seas around 2 ft.

Saturday Night

SSW wind around 10 kt becoming WSW after midnight. Showers and thunderstorms before 2am, then a slight chance of showers. Some of the storms could produce heavy rainfall. Seas 3 to 4 ft.

Sunday

NNW wind 5 to 10 kt. Partly sunny, then gradually becoming sunny. Seas 2 to 3 ft.

Sunday Night

Variable winds 5 kt or less. Mostly clear. Seas around 2 ft.

Monday

NE wind 5 to 10 kt becoming SE in the afternoon. Sunny. Seas around 2 ft.

Monday Night

S wind 5 to 10 kt. Partly cloudy. Seas around 2 ft.

Tuesday

S wind 10 to 13 kt increasing to 12 to 15 kt in the afternoon. Winds could gust as high as 20 kt. A chance of showers and thunderstorms after 2pm. Seas 3 to 4 ft.

Tuesday Night

SSW wind around 15 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Seas 4 to 5 ft.

*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.