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New York, NY Local Forecast Office

11NM ESE Islip NY

Marine Point Forecast

[NOTICE]

Tonight
SW 11kt⇓
< 1ft
Monday
E 9kt
< 1ft
Monday Night
SSW 12kt
< 1ft
Tuesday
SSW 15kt
< 1ft
Tuesday Night
SW 19kt
1ft
Wednesday
SW 15kt
1ft
Wednesday Night
NNW 12kt
< 1ft
Thursday
N 12kt⇓
< 1ft
Thursday Night
Light Wind
< 1ft

Associated Zone Forecast which includes this point

Last Update: 3:04 pm EDT May 17, 2026
Forecast Valid: 8pm EDT May 17, 2026-6pm EDT May 24, 2026

View Nearby Observations

Detailed Forecast

Tonight

SW wind 6 to 11 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas 1 ft or less.

Monday

E wind 6 to 9 kt. Mostly sunny. Seas 1 ft or less.

Monday Night

S wind 9 to 12 kt becoming SW after midnight. Partly cloudy. Seas 1 ft or less.

Tuesday

SSW wind 11 to 15 kt. Mostly sunny. Seas 1 ft or less.

Tuesday Night

SW wind 16 to 19 kt. Partly cloudy. Seas around 1 ft.

Wednesday

SW wind 12 to 15 kt. Showers likely and possibly a thunderstorm after 2pm. Seas around 1 ft.

Wednesday Night

WSW wind 8 to 12 kt becoming NNW after midnight. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Seas 1 ft or less.

Thursday

N wind 9 to 12 kt becoming ENE 5 to 8 kt in the afternoon. Mostly cloudy. Seas 1 ft or less.

Thursday Night

Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.

Winds and waves 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.