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New York, NY Local Forecast Office

9NM E Islip NY

Marine Point Forecast

[NOTICE]

Today
N 17kt
1ft
Tonight
N 12kt
< 1ft
Saturday
N 7kt
< 1ft
Saturday Night
SSW 8kt
< 1ft
Sunday
⇑S 16kt
< 1ft
Sunday Night
S 22kt
1ft
Monday
WSW 21kt
1-2ft
Monday Night
W 16kt
1ft
Tuesday
WSW 14kt
1ft

Associated Zone Forecast which includes this point

Last Update: 6:06 pm EDT Oct 16, 2025
Forecast Valid: 6am EDT Oct 17, 2025-6pm EDT Oct 23, 2025

View Nearby Observations

Detailed Forecast

Today

N wind 13 to 17 kt. Sunny. Seas around 1 ft.

Tonight

N wind 9 to 12 kt. Mostly clear. Seas 1 ft or less.

Saturday

N wind 5 to 7 kt becoming W in the afternoon. Sunny. Seas 1 ft or less.

Saturday Night

SSW wind 5 to 8 kt. Partly cloudy. Seas 1 ft or less.

Sunday

S wind 10 to 13 kt increasing to 13 to 16 kt in the afternoon. Winds could gust as high as 22 kt. A slight chance of showers after 5pm. Seas 1 ft or less.

Sunday Night

S wind around 22 kt. Showers, mainly after 8pm. Seas around 1 ft.

Monday

WSW wind 18 to 21 kt. Showers, mainly before 8am. Seas 1 to 2 ft.

Monday Night

W wind 14 to 16 kt. Mostly clear. Seas around 1 ft.

Tuesday

WSW wind 12 to 14 kt. Sunny. Seas around 1 ft.

*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.