Briefing for Flash Flooding, Severe Storms, and Heat Risks through Wednesday

Several rounds of showers and thunderstorms through Wednesday could result in localized flash flooding and isolated damaging wind gusts. See this briefing for details on these threats. Read More >

Last Update: 402 AM EDT Wed Jul 9 2025

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Philadelphia, PA Local Forecast Office

19NM NNE Lewes DE

Marine Zone Forecast

Today

SW winds around 5 kt, becoming S this afternoon. Seas around 2 ft. Wave detail: S 1 foot at 6 seconds. Patchy fog early this morning. A slight chance of showers and tstms this morning, then a chance of showers and tstms this afternoon. Vsby 1 to 3 nm early this morning.

Tonight

SW winds 5 to 10 kt. Seas around 2 ft. Wave detail: S 1 foot at 6 seconds. Showers and tstms likely in the evening, then showers likely with a chance of tstms after midnight. Vsby 1 to 3 nm.

Thu

S winds 5 to 10 kt. Seas around 2 ft. Wave detail: S 2 ft at 6 seconds. A chance of tstms. Showers.

Thu Night

S winds 5 to 10 kt. Seas around 2 ft. Wave detail: S 1 foot at 6 seconds. Showers with a chance of tstms in the evening, then a chance of showers and tstms after midnight.

Fri

S winds around 5 kt. Seas around 2 ft. Wave detail: S 1 foot at 6 seconds. A chance of showers. A chance of tstms in the afternoon.

Fri Night

S winds around 5 kt. Seas around 2 ft. Wave detail: S 1 foot at 7 seconds. A chance of showers and tstms in the evening.

Sat

NE winds around 5 kt, becoming SE around 5 kt in the afternoon. Seas around 2 ft. A chance of showers. A chance of tstms in the afternoon.

Sat Night

SE winds 5 to 10 kt. Seas around 2 ft. A chance of showers and tstms in the evening.

Sun

SE winds 5 to 10 kt. Seas 1 foot or less.

Sun Night

S winds 5 to 10 kt, becoming SW after midnight. Seas around 2 ft in the evening, then 1 foot or less. A chance of showers and tstms.

winds and seas higher in and near tstms.

Winds and seas higher in and near tstms.