Catastrophic Flooding Impacts in South-Central Texas

Widespread life-threatening flash and urban flooding will continue to pose a significant threat to life and property in south-central Texas. Catastrophic fiver flooding, with rapid rises on small streams, arroyos, and typically dry washes, is expected. Monsoonal showers persist across the Great Basin and Southwest with greatest flash flooding in southern Arizona. Read More >

Last Update: 401 PM EDT Thu Jul 16 2026

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Philadelphia, PA Local Forecast Office

19NM NNE Lewes DE

Marine Zone Forecast

Tonight

SW winds 5 to 10 kt, becoming N after midnight. Seas 1 foot or less. Wave detail: S 1 foot at 4 seconds. A chance of showers with a slight chance of tstms this evening, then a slight chance of showers and tstms after midnight. Smoke after midnight.

Fri

N winds 5 to 10 kt, becoming S in the afternoon. Seas 1 foot or less. Wave detail: S 1 foot at 5 seconds. Smoke.

Fri Night

S winds 5 to 10 kt. Seas 1 foot or less. Wave detail: SE 1 foot at 3 seconds. Areas of smoke in the evening, then patchy smoke after midnight.

Sat

S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 25 kt in the afternoon. Seas 1 foot or less, then around 2 ft in the afternoon. Wave detail: S 1 foot at 3 seconds, becoming S 2 ft at 4 seconds. Showers with a chance of tstms in the afternoon.

Sat Night

SW winds around 15 kt with gusts up to 25 kt. Seas around 2 ft. Wave detail: S 2 ft at 4 seconds. A chance of tstms. Showers.

Sun

W winds 10 to 15 kt with gusts up to 20 kt, becoming NW 5 to 10 kt in the afternoon. Seas around 2 ft. Wave detail: SW 2 ft at 4 seconds. A chance of showers in the morning.

Sun Night

N winds 5 to 10 kt, becoming NE after midnight. Seas around 2 ft.

Mon

NE winds 5 to 10 kt, becoming SE in the afternoon. Seas around 2 ft.

Mon Night

S winds 5 to 10 kt. Seas around 2 ft.

Tue

S winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers.

Tue Night

SW winds around 15 kt. Seas 2 to 3 ft. Showers likely with a chance of tstms.

winds and seas higher in and near tstms.

Winds and seas higher in and near tstms.