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New York, NY Local Forecast Office

19NM WSW Islip NY

Marine Point Forecast

[NOTICE]

Overnight
E 10km/h
1m
Sunday
E 16km/h
1m
Sunday Night
SSE 14km/h
1m
Monday
⇑S 16km/h
1m
Monday Night
S 13km/h
1m
Tuesday
⇑S 16km/h
< 1m
Tuesday Night
SSW 16km/h
1m
Wednesday
⇑S 21km/h
1m
Wednesday Night
SW 24km/h⇓
1m

Associated Zone Forecast which includes this point

Last Update: 6:14 pm EDT Jul 12, 2025
Forecast Valid: 12am EDT Jul 13, 2025-6pm EDT Jul 19, 2025

View Nearby Observations

Detailed Forecast

Overnight

E wind around 10 km/h. Mostly cloudy. Seas around 1 m.

Sunday

E wind 11 to 16 km/h. Partly sunny. Seas around 1 m.

Sunday Night

SSE wind 10 to 14 km/h. Mostly cloudy. Seas around 1 m.

Monday

S wind 10 to 13 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. Seas around 1 m.

Monday Night

S wind 10 to 13 km/h becoming SW after midnight. A chance of showers and thunderstorms before 2am, then a slight chance of showers. Seas around 1 m.

Tuesday

W wind 8 to 11 km/h becoming S 13 to 16 km/h in the afternoon. Mostly sunny. Seas 1 m or less.

Tuesday Night

SSW wind 11 to 16 km/h. Partly cloudy. Seas around 1 m.

Wednesday

SW wind 10 to 15 km/h becoming S 16 to 21 km/h in the afternoon. Mostly sunny. Seas around 1 m.

Wednesday Night

SW wind 21 to 24 km/h decreasing to 16 to 19 km/h after midnight. Winds could gust as high as 32 km/h. Partly cloudy. 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.