Hazardous Weather Conditions
Last Update: 1024 AM EDT Sat Sep 19 2026
For More Weather Information:
46NM SSE Islip NY
Marine Zone Forecast
Today
E winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave detail: E 4 ft at 5 seconds and SE 1 ft at 12 seconds.
Tonight
E winds 10 to 15 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave detail: SE 4 ft at 7 seconds and SE 1 ft at 11 seconds.
Sun
SE winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. Wave detail: SE 3 ft at 7 seconds and SE 1 ft at 11 seconds.
Sun Night
S winds 10 to 15 kt, becoming SW with gusts up to 20 kt after midnight. Seas 3 to 4 ft, occasionally to 5 ft. Wave detail: SE 3 ft at 7 seconds and SW 2 ft at 4 seconds. Slight chance of tstms. Rain.
Mon
NE winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft, occasionally to 6 ft, building to 5 to 6 ft, occasionally to 8 ft in the afternoon. Wave detail: NE 4 ft at 4 seconds and SE 3 ft at 9 seconds, becoming E 6 ft at 7 seconds and SW 1 ft at 4 seconds. Chance of rain.
Mon Night
NE winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft, occasionally to 9 ft. Wave detail: E 7 ft at 7 seconds and SE 2 ft at 8 seconds. Chance of rain.
Tue
NE winds 25 to 30 kt. Seas 7 to 10 ft, occasionally to 13 ft. Chance of showers.
Tue Night
NE winds 25 to 30 kt with gusts up to 40 kt. Seas 9 to 13 ft, occasionally to 17 ft.
Wed
NE winds 30 to 35 kt with gusts up to 45 kt. Seas 12 to 17 ft, occasionally to 22 ft. Chance of showers.
Wed Night
NE winds 30 to 35 kt with gusts up to 45 kt. Seas 15 to 18 ft, occasionally to 23 ft. Chance of showers.
winds and seas may be higher in and near tstms.
winds and seas may be higher in and near tstms.
Winds and seas may be higher in and near tstms.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...

