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

Last Update: 401 PM EDT Fri Jul 17 2026

View Nearby Observations

For More Weather Information:

Philadelphia, PA Local Forecast Office

20NM SSW Atlantic City NJ

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY AFTERNOON THROUGH LATE SATURDAY NIGHT...

Tonight

S winds 5 to 10 kt. Seas around 2 ft. Wave detail: S 1 foot at 4 seconds and SE 1 foot at 8 seconds. Areas of smoke early this evening, then smoke late this evening and early morning. Areas of smoke late.

Sat

S winds 10 to 15 kt with gusts up to 20 kt, increasing to 15 to 20 kt with gusts up to 30 kt in the afternoon. Seas 2 to 4 ft. Wave detail: S 4 ft at 5 seconds and SE 1 foot at 8 seconds. Areas of smoke in the morning. A chance of showers and tstms in the afternoon.

Sat Night

SW winds 20 to 25 kt with gusts up to 30 kt, diminishing to around 15 kt with gusts up to 20 kt after midnight. Seas 3 to 5 ft. Wave detail: S 5 ft at 6 seconds. Showers and tstms likely, mainly in the evening.

Sun

NW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 4 ft. Wave detail: S 4 ft at 7 seconds.

Sun Night

NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: S 3 ft at 7 seconds.

Mon

NE winds 5 to 10 kt, becoming SE in the afternoon. Seas around 2 ft. Wave detail: S 2 ft at 7 seconds and NE 1 foot at 3 seconds.

Mon Night

S winds around 10 kt. Seas 2 to 3 ft.

Tue

S winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 3 to 4 ft. A chance of showers and tstms in the afternoon.

Tue Night

SW winds 20 to 25 kt. Seas 5 to 7 ft. A chance of tstms. A chance of showers in the evening, then showers likely after midnight.