Last Update: 606 PM EDT Sat Mar 21 2026

View Nearby Observations

For More Weather Information:

New York, NY Local Forecast Office

17NM SE Islip NY

Marine Zone Forecast


Tonight
NE winds 5 to 10 kt, becoming SE late this evening and overnight. Seas 3 to 4 ft, occasionally to 5 ft. Wave detail: S 3 ft at 7 seconds.
Sun
S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave detail: SE 3 ft at 7 seconds. Slight chance of showers in the morning.
Sun Night
SW winds 10 to 15 kt with gusts up to 20 kt, becoming N after midnight. Seas around 4 ft, occasionally to 5 ft. Wave detail: S 4 ft at 7 seconds and SE 2 ft at 8 seconds. Slight chance of tstms in the evening. Rain likely.
Mon
NE winds 15 to 20 kt, becoming N 10 to 15 kt in the afternoon. Seas around 4 ft, occasionally to 5 ft. Wave detail: E 4 ft at 4 seconds and S 4 ft at 8 seconds. Chance of rain.
Mon Night
N winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft, occasionally to 6 ft. Wave detail: SE 4 ft at 8 seconds and N 3 ft at 4 seconds.
Tue
N winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt in the afternoon. Seas 3 to 4 ft, occasionally to 5 ft.
Tue Night
SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft, occasionally to 5 ft.
Wed
SW winds 15 to 20 kt. Seas 3 to 4 ft, occasionally to 5 ft.
Wed Night
SW winds around 15 kt with gusts up to 20 kt. Seas 3 to 4 ft, occasionally to 5 ft.
Thu
S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft, occasionally to 5 ft.
Thu Night
SW winds 25 to 30 kt. Seas 4 to 6 ft, occasionally to 8 ft. Rain likely.

winds and seas may be higher in and near tstms.




Winds and seas may be higher in and near tstms.
Basemap Options
Click map to change the forecast location
Loading map...
606 PM EDT Sat Mar 21 2026
 
 

RADAR & SATELLITE IMAGES

Link to Local Radar Data Link to Satellite Data