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New York, NY Local Forecast Office

16NM WSW Islip NY

Marine Point Forecast

[NOTICE]

Late Afternoon
S 18km/h
1m
Tonight
S 14km/h
1m
Tuesday
⇑SSE 11km/h
1m
Tuesday Night
SW 11km/h
1m
Wednesday
⇑S 16km/h
1m
Wednesday Night
SW 21km/h⇓
1m
Thursday
⇑SSW 21km/h
1m
Thursday Night
SW 18km/h
1m
Friday
W 16km/h
1m

Associated Zone Forecast which includes this point

Last Update: 2:29 pm EDT Jul 14, 2025
Forecast Valid: 4pm EDT Jul 14, 2025-6pm EDT Jul 21, 2025

View Nearby Observations

Detailed Forecast

Late Afternoon

S wind around 18 km/h. Showers and thunderstorms likely, mainly after 5pm. Seas around 1 m.

Tonight

S wind 10 to 14 km/h. Showers and thunderstorms likely before midnight, then showers likely and possibly a thunderstorm after midnight. Seas around 1 m.

Tuesday

SSE wind 5 to 8 km/h increasing to 8 to 11 km/h in the afternoon. A chance of showers and thunderstorms, mainly before 11am. Patchy fog between 7am and 8am. Seas around 1 m.

Tuesday Night

SW wind around 11 km/h. Partly cloudy. Seas around 1 m.

Wednesday

S wind 8 to 11 km/h increasing to 13 to 16 km/h in the afternoon. A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Patchy fog before 11am. Seas around 1 m.

Wednesday Night

SW wind 18 to 21 km/h decreasing to 14 to 17 km/h after midnight. A chance of showers and thunderstorms. Seas around 1 m.

Thursday

SSW wind 14 to 17 km/h increasing to 18 to 21 km/h in the afternoon. A chance of showers, with thunderstorms also possible after 2pm. Seas around 1 m.

Thursday Night

SW wind 14 to 18 km/h. A chance of thunderstorms before 8pm. Seas around 1 m.

Friday

W wind 13 to 16 km/h. A chance of showers and thunderstorms after 2pm. Seas around 1 m.

Winds and seas may be higher in and near tstms.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.