Dangerous Heat in the Central and Eastern U.S.; Critical Fire Weather in the Great Basin and 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 Tuesday across portions of the Four Corners and Great Basin, as dry conditions and gusty winds persist. Read More >

Hazardous Weather Conditions

For More Weather Information:

New York, NY Local Forecast Office

18NM WSW Islip NY

Marine Point Forecast

[NOTICE]

Tuesday
⇑S 16kt
< 1ft
Tuesday Night
SW 23kt⇓
< 1ft
Wednesday
⇑SW 18kt
< 1ft
Wednesday Night
SSW 17kt⇓
< 1ft
Thursday
SSW 13kt
< 1ft
Thursday Night
SSW 10kt
< 1ft
Friday
WSW 10kt
< 1ft
Friday Night
WSW 6kt⇓
< 1ft
Independence Day
⇑SSW 9kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 3:53 pm EDT Jun 29, 2026
Forecast Valid: 1am EDT Jun 30, 2026-6pm EDT Jul 6, 2026

View Nearby Observations

Detailed Forecast

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

Tuesday

Variable winds less than 5 kt becoming S 11 to 16 kt in the morning. Winds could gust as high as 25 kt. Mostly sunny. Seas 1 ft or less.

Tuesday Night

SW wind 18 to 23 kt decreasing to 12 to 17 kt after midnight. Winds could gust as high as 31 kt. A slight chance of showers and thunderstorms after 11pm. Seas 1 ft or less.

Wednesday

SW wind 11 to 14 kt increasing to 15 to 18 kt in the afternoon. Winds could gust as high as 26 kt. Mostly sunny. Seas 1 ft or less.

Wednesday Night

SSW wind 14 to 17 kt decreasing to 11 to 14 kt after midnight. Winds could gust as high as 25 kt. Partly cloudy. Seas 1 ft or less.

Thursday

WSW wind 8 to 13 kt becoming SSW in the afternoon. Sunny. Seas 1 ft or less.

Thursday Night

SSW wind 6 to 10 kt becoming W after midnight. Mostly clear. Seas 1 ft or less.

Friday

W wind 5 to 10 kt becoming SW in the afternoon. A chance of showers and thunderstorms after 2pm. Seas 1 ft or less.

Friday Night

WSW wind around 6 kt becoming variable and less than 5 kt in the evening. A chance of showers and thunderstorms before 2am. Seas 1 ft or less.

Independence Day

Variable winds less than 5 kt becoming SSW 5 to 9 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.