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New York, NY Local Forecast Office

15NM WSW Islip NY

Marine Point Forecast

[NOTICE]

Tuesday
SSW 10kt
< 1ft
Tuesday Night
S 8kt
< 1ft
Wednesday
S 6kt
< 1ft
Wednesday Night
SSE 6kt
< 1ft
Thursday
⇑E 8kt
< 1ft
Thursday Night
E 7kt
< 1ft
Friday
ENE 8kt
< 1ft
Friday Night
ENE 7kt
< 1ft
Saturday
ESE 10kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 1:54 am EDT Jul 8, 2025
Forecast Valid: 2am EDT Jul 8, 2025-6pm EDT Jul 14, 2025

View Nearby Observations

Detailed Forecast

Tuesday

WSW wind 5 to 10 kt becoming SSW in the afternoon. A chance of showers and thunderstorms after 2pm. Patchy fog before 8am. Seas 1 ft or less.

Tuesday Night

S wind 5 to 8 kt becoming WSW in the evening. A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Seas 1 ft or less.

Wednesday

WSW wind around 6 kt becoming S in the morning. A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Seas 1 ft or less.

Wednesday Night

SSE wind around 6 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

Thursday

Variable winds less than 5 kt becoming E 5 to 8 kt in the morning. A chance of showers and thunderstorms. Seas 1 ft or less.

Thursday Night

E wind 5 to 7 kt. A chance of showers. Seas 1 ft or less.

Friday

ENE wind 6 to 8 kt. A chance of showers before 2pm. Seas 1 ft or less.

Friday Night

ENE wind 5 to 7 kt. Mostly cloudy. Seas 1 ft or less.

Saturday

ENE wind 7 to 10 kt becoming SE in the afternoon. Mostly cloudy. Seas 1 ft or less.

Winds and waves 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.