Monsoons Return to the Southwest U.S.; Potential Atlantic Tropical System Interaction

In Arizona and New Mexico, heavy to excessive rainfall from monsoon thunderstorms may bring isolated flash and urban flooding Thursday into Sunday. The close proximity of Tropical Storm Humberto and a tropical wave (AL94) could lead to interaction between them, and details of their long-range track and intensity forecasts, and any potential impacts, are more uncertain than usual. Read More >

Last Update: 401 AM EDT Thu Sep 25 2025

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Philadelphia, PA Local Forecast Office

35NM NNW Lewes DE

Marine Zone Forecast

Today

S winds around 10 kt. Seas 1 foot or less. Wave detail: SE 1 foot at 4 seconds. Showers likely with a chance of tstms. Vsby 1 to 3 nm this morning.

Tonight

SW winds 5 to 10 kt. Seas 1 foot or less. Wave detail: S 1 foot at 4 seconds. Showers with a chance of tstms in the evening, then a chance of showers and tstms after midnight. Vsby 1 to 3 nm in the evening.

Fri

W winds 5 to 10 kt. Seas 1 foot or less. Wave detail: SW 1 foot at 5 seconds. A chance of showers in the morning.

Fri Night

NW winds around 5 kt. Seas 1 foot or less. Wave detail: NW 1 foot at 5 seconds.

Sat

E winds 5 to 10 kt. Seas 1 foot or less. Wave detail: NE 1 foot at 2 seconds. A chance of showers in the afternoon.

Sat Night

E winds 5 to 10 kt. Seas 1 foot or less. Wave detail: SE 1 foot at 3 seconds. Showers likely in the evening, then showers likely with a chance of tstms after midnight.

Sun

NE winds 5 to 10 kt. Seas 1 foot or less. Showers likely, mainly in the morning.

Sun Night

NE winds 5 to 10 kt. Seas 1 foot or less. A chance of showers.

Mon

NE winds 5 to 10 kt. Seas 1 foot or less. A chance of showers.

Mon Night

E winds 5 to 10 kt, becoming NE 10 to 15 kt after midnight. Seas 1 foot or less, then around 2 ft after midnight. A chance of showers.

winds and seas higher in and near tstms.

Winds and seas higher in and near tstms.