Dangerous Heat in the East; Critical Fire Weather in the Southwest

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Heat is likely to continue across the eastern U.S. through the Independence Day holiday weekend. Critical fire weather conditions will continue today and likely Tuesday across portions of the Four Corners and northern High Plains. Read More >

Hazardous Weather Conditions

For More Weather Information:

New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]

This Afternoon
Light Wind
< 1ft
Tonight
S 6kt⇓
< 1ft
Tuesday
⇑SSW 12kt
< 1ft
Tuesday Night
SW 16kt⇓
< 1ft
Wednesday
WSW 13kt
< 1ft
Wednesday Night
SW 10kt
< 1ft
Thursday
WSW 7kt
< 1ft
Thursday Night
SSW 8kt
< 1ft
Friday
⇑W 7kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 3:53 pm EDT Jun 29, 2026
Forecast Valid: 3pm EDT Jun 29, 2026-6pm EDT Jul 6, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH

This Afternoon

Variable winds 5 kt or less. Sunny. Seas 1 ft or less.

Tonight

S wind around 6 kt becoming variable and less than 5 kt in the evening. Mostly clear. Seas 1 ft or less.

Tuesday

Variable winds less than 5 kt becoming SSW 7 to 12 kt in the morning. Winds could gust as high as 20 kt. Mostly sunny. Seas 1 ft or less.

Tuesday Night

SW wind 13 to 16 kt decreasing to 9 to 12 kt after midnight. Winds could gust as high as 24 kt. A slight chance of showers and thunderstorms. Seas 1 ft or less.

Wednesday

WSW wind 9 to 13 kt, with gusts as high as 21 kt. Mostly sunny. Seas 1 ft or less.

Wednesday Night

SW wind around 10 kt. Partly cloudy. Seas 1 ft or less.

Thursday

WSW wind 5 to 7 kt. Sunny. Seas 1 ft or less.

Thursday Night

SSW wind 5 to 8 kt becoming W after midnight. Clear. Seas 1 ft or less.

Friday

Variable winds less than 5 kt becoming W 5 to 7 kt in the morning. A chance of showers and thunderstorms after 2pm. Seas 1 ft or less.

*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.