Coastal waters from Cape May NJ to Cape Henlopen DE out 20 nm Marine Forecast

NOAA marine forecast

Text forecast

Updated 4:01am EDT Oct 11, 2026

Small Craft Advisory In Effect Through Late Monday Night

Today

E winds around 20 kt, increasing to 25 to 30 kt late this morning and early afternoon, then becoming SE 20 to 25 kt late. Seas 5 to 7 ft, building to 7 to 10 ft this afternoon. Wave Detail: SE 6 ft at 7 seconds, becoming SE 8 ft at 7 seconds. Rain this morning, then rain with a slight chance of tstms this afternoon.

Tonight

S winds 10 to 15 kt with gusts up to 20 kt. Seas 6 to 9 ft. Wave Detail: SE 8 ft at 9 seconds. Rain likely with a chance of tstms in the evening, then a chance of showers after midnight.

Mon

W winds 15 to 20 kt, becoming N in the afternoon. Seas 5 to 7 ft, subsiding to 4 to 5 ft in the afternoon. Wave Detail: SE 7 ft at 9 seconds, becoming SE 5 ft at 9 seconds. A chance of showers in the morning.

Mon Night

NW winds 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: SE 4 ft at 8 seconds and NE 3 ft at 7 seconds.

Tue

NW winds around 5 kt, becoming S in the afternoon. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds and NW 1 foot at 4 seconds.

Tue Night

SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 3 seconds and E 2 ft at 7 seconds.

Wed

W winds 10 to 15 kt. Seas 2 to 3 ft.

Wed Night

NW winds around 10 kt, becoming N after midnight.

Thu

NE winds 10 to 15 kt. Seas 2 to 3 ft.

Thu Night

E winds around 10 kt. Seas 2 to 3 ft.

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Interactive Mapbox map highlighting marine forecast zone ANZ454.