Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Severe thunderstorms are expected across parts of the central and southern High Plains, central Great Lakes, and Ozarks Wednesday. Read More >

For More Weather Information:

New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]

Wednesday
⇑WNW 6kt
< 1ft
Wednesday Night
S 7kt
< 1ft
Thursday
S 13kt
< 1ft
Thursday Night
S 11kt⇓
< 1ft
Friday
Light Wind
< 1ft
Friday Night
Light Wind
< 1ft
Saturday
N 7kt⇓
< 1ft
Saturday Night
Light Wind
< 1ft
Sunday
Light Wind
< 1ft

Associated Zone Forecast which includes this point

Last Update: 7:58 pm EDT Aug 25, 2026
Forecast Valid: 2am EDT Aug 26, 2026-6pm EDT Sep 1, 2026

View Nearby Observations

Detailed Forecast

Wednesday

Variable winds less than 5 kt becoming WNW around 6 kt in the morning. Sunny. Seas 1 ft or less.

Wednesday Night

S wind around 7 kt. Partly cloudy. Seas 1 ft or less.

Thursday

S wind 8 to 13 kt, with gusts as high as 21 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

Thursday Night

S wind 8 to 11 kt decreasing to 5 to 8 kt after midnight. Showers likely and possibly a thunderstorm. Seas 1 ft or less.

Friday

Variable winds 5 kt or less. A chance of showers and thunderstorms. Seas 1 ft or less.

Friday Night

Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.

Saturday

N wind 5 to 7 kt becoming variable and less than 5 kt in the afternoon. Partly sunny. Seas 1 ft or less.

Saturday Night

Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.

Sunday

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

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.