Severe Thunderstorms and Heavy Rain in the Central Plains and Midwest; Heat Pushes into the South and East

Scattered severe thunderstorms capable of large hail in excess of two inches, strong tornadoes, and damaging wind gusts are likely across parts of the Upper Mississippi Valley and Midwest this evening. Heavy to excessive rainfall may bring a flooding threat to portions of the Central Plains to the Midwest through Thursday. The heatwave in the Central U.S. will begin to push South and East Thursday Read More >

Hazardous Weather Conditions

For More Weather Information:

New York, NY Local Forecast Office

15NM SW Islip NY

Marine Point Forecast

[NOTICE]

Thursday
SW 12kt
3ft
Thursday Night
W 10kt
3ft
Friday
SSW 12kt
2-3ft
Friday Night
SW 11kt
2ft
Saturday
W 10kt
2ft
Saturday Night
WSW 9kt⇓
2ft
Sunday
⇑S 17kt
2-3ft
Sunday Night
SSW 22kt⇓
5ft
Monday
SSW 11kt
2ft

Associated Zone Forecast which includes this point

Last Update: 7:10 pm EDT Jun 10, 2026
Forecast Valid: 1am EDT Jun 11, 2026-6pm EDT Jun 17, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT THURSDAY...

Thursday

SW wind 10 to 12 kt. A chance of thunderstorms after 5pm. Patchy fog before 8am. Seas around 3 ft.

Thursday Night

W wind 8 to 10 kt. A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Seas around 3 ft.

Friday

W wind 7 to 12 kt becoming SSW in the afternoon. A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Seas 2 to 3 ft.

Friday Night

SW wind around 11 kt becoming NW after midnight. A chance of showers and thunderstorms before 2am. Seas around 2 ft.

Saturday

NW wind 7 to 10 kt becoming W in the afternoon. Sunny. Seas around 2 ft.

Saturday Night

WSW wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas around 2 ft.

Sunday

Variable winds less than 5 kt becoming S 12 to 17 kt in the morning. Sunny. Seas 2 to 3 ft.

Sunday Night

SSW wind 19 to 22 kt becoming WSW 14 to 17 kt after midnight. Winds could gust as high as 28 kt. A chance of showers. Seas 5 ft subsiding to 3 ft.

Monday

NNW wind 8 to 11 kt becoming SSW in the afternoon. Partly sunny. Seas around 2 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.