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: 128 AM EDT Sat Jul 18 2026

View Nearby Observations

For More Weather Information:

Philadelphia, PA Local Forecast Office

8NM ESE Atlantic City NJ

Marine Zone Forecast

Rest Of Tonight

S winds 5 to 10 kt. Seas around 2 ft. Wave detail: S 2 ft at 4 seconds and SE 1 foot at 8 seconds. Smoke.

Sat

S winds 10 to 15 kt, becoming SW 15 to 20 kt in the afternoon. Seas 2 to 3 ft, building to 3 to 5 ft in the afternoon. Wave detail: S 3 ft at 4 seconds and SE 1 foot at 8 seconds, becoming S 5 ft at 5 seconds and SE 1 foot at 8 seconds. A chance of showers and tstms in the morning, then showers likely with a chance of tstms in the afternoon. Smoke in the morning. Areas of smoke in the afternoon.

Sat Night

SW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave detail: S 6 ft at 6 seconds and SE 1 foot at 14 seconds. Showers with a chance of tstms in the evening, then a chance of showers and tstms after midnight.

Sun

NW winds 10 to 15 kt with gusts up to 20 kt, becoming N 5 to 10 kt in the afternoon. Seas 3 to 4 ft. Wave detail: S 4 ft at 7 seconds and SE 1 foot at 13 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 2 to 3 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. Showers likely with a chance of tstms.

Wed

SW winds 20 to 25 kt. Seas 5 to 8 ft. Showers likely.