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 AM EDT Thu Jul 16 2026

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Philadelphia, PA Local Forecast Office

19NM NNE Lewes DE

Marine Zone Forecast


Today
NE winds around 5 kt, becoming S late this morning and afternoon. Seas 1 foot or less. Wave detail: NW 1 foot at 2 seconds and S 1 foot at 5 seconds. Areas of smoke early this morning, then smoke late this morning and early afternoon. Patchy smoke late. Vsby 1 to 3 nm late this morning and early afternoon.
Tonight
W winds 5 to 10 kt, becoming N after midnight. Seas 1 foot or less. Wave detail: SW 1 foot at 3 seconds. Scattered showers. Patchy smoke in the evening. Smoke after midnight with vsby 1 to 3 nm.
Fri
NE winds 5 to 10 kt, becoming SE in the afternoon. Seas 1 foot or less. Wave detail: NW 1 foot at 2 seconds and S 1 foot at 5 seconds. Smoke in the morning, then areas of smoke in the afternoon. Vsby 1 to 3 nm in the morning.
Fri Night
SE winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 1 foot or less. Wave detail: SE 1 foot at 3 seconds. Smoke in the evening.
Sat
SE winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 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 likely in the morning, then showers likely with a chance of tstms in the afternoon.
Sat Night
SW winds around 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave detail: S 2 ft at 4 seconds. A chance of tstms. Showers.
Sun
W winds 10 to 15 kt, becoming NW 5 to 10 kt in the afternoon. Seas around 2 ft. A chance of showers and tstms.
Sun Night
NW winds 5 to 10 kt, becoming NE after midnight. Seas around 2 ft. A chance of showers and tstms in the evening.
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.

winds and seas higher in and near tstms.




Winds and seas higher in and near tstms.
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401 AM EDT Thu Jul 16 2026
 
 

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