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New York, NY Local Forecast Office

7NM S Islip NY

Marine Point Forecast

[NOTICE]

Saturday
⇑WSW 21km/h
1m
Saturday Night
WSW 18km/h⇓
1m
Sunday
⇑S 32km/h
1m
Sunday Night
S 35km/h⇓
1m
Monday
NW 23km/h⇓
1m
Monday Night
W 18km/h⇓
1m
Tuesday
⇑SW 23km/h
1m
Tuesday Night
SW 21km/h⇓
1m
Wednesday
⇑S 23km/h
1m

Associated Zone Forecast which includes this point

Last Update: 8:13 pm EDT Jun 12, 2026
Forecast Valid: 2am EDT Jun 13, 2026-6pm EDT Jun 19, 2026

View Nearby Observations

Detailed Forecast

Saturday

NW wind 13 to 16 km/h becoming WSW 18 to 21 km/h in the afternoon. Sunny. Seas around 1 m.

Saturday Night

WSW wind 13 to 18 km/h decreasing to 8 to 13 km/h after midnight. Mostly clear. Seas around 1 m.

Sunday

S wind 13 to 18 km/h increasing to 27 to 32 km/h. Winds could gust as high as 40 km/h. A slight chance of showers after 2pm. Seas around 1 m.

Sunday Night

S wind 32 to 35 km/h becoming WSW 26 to 29 km/h after midnight. Winds could gust as high as 45 km/h. A slight chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then a slight chance of showers after 2am. Seas around 1 m.

Monday

NW wind 20 to 23 km/h becoming WNW 16 to 19 km/h in the afternoon. A slight chance of showers before 8am. Seas around 1 m.

Monday Night

W wind 15 to 18 km/h becoming N 11 to 14 km/h after midnight. Partly cloudy. Seas around 1 m.

Tuesday

N wind 10 to 15 km/h becoming SW 18 to 23 km/h. Mostly sunny. Seas around 1 m.

Tuesday Night

SW wind 16 to 21 km/h decreasing to 10 to 15 km/h after midnight. Partly cloudy. Seas around 1 m.

Wednesday

S wind 8 to 13 km/h increasing to 18 to 23 km/h. Mostly sunny. Seas around 1 m.

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.