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New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]

Today
S 11kt
< 1ft
Tonight
NW 16kt
< 1ft
Saturday
NNW 18kt
1ft
Saturday Night
N 17kt
1ft
Sunday
N 9kt
< 1ft
Sunday Night
NE 8kt
< 1ft
Monday
ENE 13kt
< 1ft
Monday Night
NNE 13kt
1ft
Tuesday
NNE 13kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 3:47 am EDT Oct 16, 2026
Forecast Valid: 5am EDT Oct 16, 2026-6pm EDT Oct 22, 2026

View Nearby Observations

Detailed Forecast

Today

S wind 8 to 11 kt becoming SSW in the morning. Winds could gust as high as 21 kt. Showers before 2pm, then showers likely and possibly a thunderstorm after 5pm. Seas 1 ft or less.

Tonight

WSW wind 12 to 16 kt becoming NW after midnight. Showers likely and possibly a thunderstorm, then showers after 8pm. Seas 1 ft or less.

Saturday

NNW wind 16 to 18 kt, with gusts as high as 24 kt. Cloudy through mid morning, then gradual clearing. Seas around 1 ft.

Saturday Night

N wind 14 to 17 kt. Mostly clear. Seas around 1 ft.

Sunday

N wind 5 to 9 kt becoming ENE in the afternoon. Sunny. Seas 1 ft or less.

Sunday Night

ESE wind 6 to 8 kt becoming NE after midnight. Mostly clear. Seas 1 ft or less.

Monday

ENE wind 10 to 13 kt. Mostly sunny. Seas 1 ft or less.

Monday Night

NNE wind 11 to 13 kt. Partly cloudy. Seas around 1 ft.

Tuesday

NNE wind 8 to 13 kt. Partly sunny. Seas 1 ft or less.

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.