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New York, NY Local Forecast Office

14NM N Islip NY

Marine Point Forecast

[NOTICE]

Today
ENE 9kt
< 1ft
Tonight
SE 9kt
< 1ft
Sunday
⇑NW 16kt
2ft
Sunday Night
WNW 12kt
1-2ft
Monday
WNW 12kt
1ft
Monday Night
NNW 15kt
1-2ft
Tuesday
N 8kt
< 1ft
Tuesday Night
SSW 16kt
1ft
Wednesday
WSW 13kt
1ft

Associated Zone Forecast which includes this point

Last Update: 8:37 am EDT Apr 18, 2026
Forecast Valid: 10am EDT Apr 18, 2026-6pm EDT Apr 24, 2026

View Nearby Observations

Detailed Forecast

Today

ENE wind around 9 kt. Patchy fog before 11am. Seas 1 ft or less.

Tonight

SE wind 5 to 9 kt. A chance of showers, mainly after 5am. Patchy fog after 11pm. Seas 1 ft or less.

Sunday

E wind 6 to 9 kt becoming NW 11 to 16 kt in the morning. A chance of showers and thunderstorms before 8am, then showers and possibly a thunderstorm between 8am and 2pm, then showers after 2pm. Seas 1 ft or less building to 2 ft.

Sunday Night

WNW wind 9 to 12 kt. Mostly cloudy, then gradually becoming mostly clear. Seas 1 to 2 ft.

Monday

WNW wind 10 to 12 kt. A slight chance of showers after 2pm. Seas around 1 ft.

Monday Night

NNW wind 13 to 15 kt. Partly cloudy. Seas 1 to 2 ft.

Tuesday

N wind 5 to 8 kt becoming SSW in the afternoon. Sunny. Seas 1 ft or less.

Tuesday Night

SSW wind 14 to 16 kt. Partly cloudy. Seas around 1 ft.

Wednesday

WSW wind 8 to 13 kt. Partly sunny. Seas around 1 ft.

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.