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New York, NY Local Forecast Office

7NM ESE Islip NY

Marine Point Forecast

[NOTICE]

Thursday
N 14kt⇓
< 1ft
Thursday Night
⇑SE 15kt
< 1ft
Friday
S 19kt
1ft

Small Craft Advisory
Friday Night
SW 20kt
1-2ft
Saturday
NNW 25kt
1-2ft
Saturday Night
N 20kt
1ft
Sunday
N 13kt
1ft
Sunday Night
N 13kt
< 1ft
Monday
NNE 14kt
1ft

Associated Zone Forecast which includes this point

Last Update: 1:55 am EDT Oct 15, 2026
Forecast Valid: 3am EDT Oct 15, 2026-6pm EDT Oct 21, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH

Thursday

N wind 11 to 14 kt becoming NE 6 to 9 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

Thursday Night

SE wind 9 to 12 kt increasing to 12 to 15 kt after midnight. A chance of showers, mainly after 5am. Seas 1 ft or less.

Friday

S wind 17 to 19 kt becoming SW in the afternoon. Winds could gust as high as 26 kt. Showers likely before 2pm, then a slight chance of showers after 5pm. Seas around 1 ft.

Friday Night

SW wind 15 to 20 kt becoming NW after midnight. Showers and thunderstorms. Seas 1 to 2 ft.

Saturday

NNW wind 20 to 25 kt. Showers likely before 8am. Seas 1 to 2 ft.

Saturday Night

N wind 16 to 20 kt. Mostly clear. Seas around 1 ft.

Sunday

N wind around 13 kt becoming NW in the afternoon. Sunny. Seas around 1 ft.

Sunday Night

N wind 11 to 13 kt. Mostly clear. Seas 1 ft or less.

Monday

N wind 12 to 14 kt becoming WNW in the afternoon. 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.