Areas of Severe Thunderstorms and Excessive Rainfall Thursday

Severe thunderstorms posing a risk for strong gusts and/or large hail are possible across portions of the northern and central Plains, the Lower Missouri to Lower Ohio Valleys, and across the Mid-Atlantic Thursday afternoon and evening. Excessive rainfall may bring flash and urban flooding over the Mid-Mississippi and Ohio Valleys, and Mid-Atlantic on Thursday. Read More >

For More Weather Information:

New York, NY Local Forecast Office

15NM SW Islip NY

Marine Point Forecast

[NOTICE]

Today
⇑SSW 16kt
3ft
Tonight
SSW 15kt⇓
3-4ft
Friday
W 10kt
2ft
Friday Night
W 8kt
2-3ft
Saturday
N 8kt
2-3ft
Saturday Night
E 6kt⇓
2ft
Sunday
NE 10kt
2ft
Sunday Night
SSE 8kt
2ft
Monday
⇑S 12kt
2ft

Associated Zone Forecast which includes this point

Last Update: 7:53 pm EDT Jul 8, 2026
Forecast Valid: 5am EDT Jul 9, 2026-6pm EDT Jul 15, 2026

View Nearby Observations

Detailed Forecast

Today

SW wind 10 to 13 kt becoming SSW 13 to 16 kt in the afternoon. A chance of showers and thunderstorms after 2pm. Seas around 3 ft.

Tonight

SSW wind 12 to 15 kt decreasing to 7 to 10 kt after midnight. A chance of showers and thunderstorms, mainly before 11pm. Seas 3 to 4 ft.

Friday

W wind around 10 kt. A chance of showers and thunderstorms after 2pm. Seas around 2 ft.

Friday Night

W wind around 8 kt becoming NW after midnight. A chance of showers and thunderstorms before 2am. Seas 2 to 3 ft.

Saturday

N wind 6 to 8 kt becoming ENE in the afternoon. Partly sunny. Seas 2 to 3 ft.

Saturday Night

E wind around 6 kt becoming variable and less than 5 kt. Partly cloudy. Seas around 2 ft.

Sunday

NE wind 8 to 10 kt becoming ESE in the afternoon. Mostly sunny. Seas around 2 ft.

Sunday Night

SSE wind 5 to 8 kt becoming SSW after midnight. Partly cloudy. Seas around 2 ft.

Monday

NE wind 5 to 8 kt becoming S 9 to 12 kt in the afternoon. Mostly sunny. Seas around 2 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.