Heavy Great Lakes Snow through Friday; Watching Potential for Major Winter Storm Late Week into this Weekend

Heavy lake effect snow will continue in the Great Lakes into Wednesday before another storm brings a widespread general snow followed by another round of heavy lake effect snow. A wide-ranging winter storm will produce great swaths of heavy snow, sleet, and treacherous freezing rain from the southern Rockies/Plains and Mid-South starting Friday and shifting toward the East Coast through Sunday. Read More >

Hazardous Weather Conditions

Small Craft Advisory until January 20, 10:00 PM EST

Last Update: 402 PM EST Tue Jan 20 2026

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For More Weather Information:

Philadelphia, PA Local Forecast Office

Atlantic City NJ

Marine Zone Forecast

Tonight

NW winds 10 to 15 kt with gusts up to 25 kt, diminishing to 5 to 10 kt late. Seas 2 to 4 ft. Wave detail: NW 3 ft at 4 seconds and SE 2 ft at 8 seconds.

Wed

SW winds 5 to 10 kt with gusts up to 20 kt, becoming S 15 to 20 kt with gusts up to 30 kt in the afternoon. Seas around 2 ft, building to 3 to 4 ft in the afternoon. Wave detail: SE 2 ft at 9 seconds and N 1 foot at 3 seconds, becoming S 4 ft at 5 seconds and SE 2 ft at 10 seconds.

Wed Night

SW winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Seas 5 to 7 ft. Wave detail: S 6 ft at 6 seconds and SE 2 ft at 10 seconds.

Thu

W winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 4 to 6 ft, subsiding to 3 to 4 ft in the afternoon. Wave detail: S 5 ft at 6 seconds and SE 2 ft at 11 seconds, becoming S 4 ft at 6 seconds and SE 2 ft at 11 seconds.

Thu Night

W winds 10 to 15 kt, becoming NW 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave detail: S 3 ft at 6 seconds and SE 2 ft at 10 seconds.

Fri

NW winds 10 to 15 kt. Seas 2 to 3 ft. Wave detail: NW 3 ft at 4 seconds and SE 2 ft at 11 seconds.

Fri Night

NW winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Seas 3 to 5 ft.

Sat

N winds 15 to 20 kt. Seas 3 to 5 ft. A chance of snow in the afternoon.

Sat Night

N winds 15 to 20 kt, becoming NE 20 to 25 kt after midnight. Seas 3 to 4 ft. A chance of snow in the evening, then snow after midnight. Vsby 1 to 3 nm.

Sun

NE winds 25 to 30 kt. Seas 4 to 6 ft. Snow. Vsby 1 to 3 nm.

Sun Night

N winds 20 to 25 kt. Seas 5 to 7 ft. Snow likely, mainly in the evening. Vsby 1 to 3 nm.