Areas of Severe Thunderstorms and Excessive Rainfall Today

Scattered severe thunderstorms capable of damaging wind gusts and some hail are expected this afternoon and evening from the Upper Ohio River Valley into the Northeast, and from the Appalachians into the Mid-Atlantic States. Excessive rainfall from heavy thunderstorms may produce areas of flash flooding from southern New Mexico into the western and northern Gulf Coast into Wednesday. Read More >

Hazardous Weather Conditions

Small Craft Advisory until June 15, 12:00 AM EDT

For More Weather Information:

New York, NY Local Forecast Office

15NM SW Islip NY

Marine Point Forecast

[NOTICE]

Tonight
SSW 21kt⇓
4-5ft

Small Craft Advisory
Monday
NW 13kt
3ft
Monday Night
NW 12kt
3ft
Tuesday
⇑SSW 11kt
2ft
Tuesday Night
S 12kt⇓
2-3ft
Wednesday
⇑SSE 11kt
2ft
Wednesday Night
S 10kt
2ft
Thursday
⇑S 25kt
6ft
Thursday Night
SSW 27kt⇓
7ft

Associated Zone Forecast which includes this point

Last Update: 2:22 pm EDT Jun 14, 2026
Forecast Valid: 10pm EDT Jun 14, 2026-6pm EDT Jun 21, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...

Tonight

SSW wind 18 to 21 kt decreasing to 13 to 16 kt after midnight. Showers and thunderstorms before 2am, then showers likely. Seas 4 to 5 ft.

Monday

NW wind 9 to 13 kt becoming WSW in the afternoon. A slight chance of showers before 8am. Seas around 3 ft.

Monday Night

WNW wind 9 to 12 kt becoming NNW after midnight. Mostly clear. Seas around 3 ft.

Tuesday

Variable winds less than 5 kt becoming SSW 6 to 11 kt in the afternoon. Sunny. Seas around 2 ft.

Tuesday Night

S wind 9 to 12 kt decreasing to 6 to 9 kt after midnight. Partly cloudy. Seas 2 to 3 ft.

Wednesday

SSE wind 5 to 8 kt increasing to 8 to 11 kt in the afternoon. Partly sunny. Seas around 2 ft.

Wednesday Night

S wind 8 to 10 kt. Mostly cloudy. Seas around 2 ft.

Thursday

S wind 13 to 18 kt increasing to 20 to 25 kt in the afternoon. Winds could gust as high as 32 kt. A chance of showers. Seas 3 ft building to 6 ft.

Thursday Night

SSW wind 22 to 27 kt becoming W 15 to 20 kt. Winds could gust as high as 33 kt. A chance of showers. Seas 7 ft subsiding to 5 ft.

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.