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New York, NY Local Forecast Office

6NM S Islip NY

Marine Point Forecast

[NOTICE]

Today
ESE 18kt
1ft
Tonight
E 23kt⇓
1ft
Columbus Day
NNE 18kt⇓
1ft
Monday Night
NNW 6kt
< 1ft
Tuesday
⇑S 12kt
< 1ft
Tuesday Night
SW 18kt
1ft
Wednesday
WSW 14kt
1ft
Wednesday Night
N 14kt
1ft
Thursday
N 15kt
1ft

Associated Zone Forecast which includes this point

Last Update: 5:35 am EDT Oct 11, 2026
Forecast Valid: 7am EDT Oct 11, 2026-6pm EDT Oct 17, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH

Today

ESE wind around 18 kt, with gusts as high as 24 kt. Rain, mainly after 11am. Seas around 1 ft.

Tonight

E wind 20 to 23 kt becoming NNE 15 to 18 kt after midnight. Rain and possibly a thunderstorm, mainly before 2am, then a chance of rain and thunderstorms after 2am. Seas around 1 ft.

Columbus Day

NNE wind 15 to 18 kt decreasing to 11 to 14 kt in the afternoon. A chance of showers before 11am. Seas around 1 ft.

Monday Night

NNW wind around 6 kt becoming N after midnight. Mostly clear. Seas 1 ft or less.

Tuesday

E wind 6 to 9 kt becoming S 9 to 12 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

Tuesday Night

SW wind around 18 kt. Partly cloudy. Seas around 1 ft.

Wednesday

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

Wednesday Night

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

Thursday

N wind 11 to 15 kt. Mostly 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.