Tropical Depression in the Gulf; Severe Thunderstorms Monday

Tropical Depression Two is expected to gradually strengthen and could bring tropical storm conditions to the Florida Panhandle beginning late Monday. Areas of flash flooding will be possible through Thursday along the eastern and central Gulf Coast. Severe thunderstorms will develop and move along a cold front crossing the Upper Midwest Monday, and through the Ohio Valley/Mid-Atlantic on Tuesday. Read More >

For More Weather Information:

New York, NY Local Forecast Office

18NM WSW Islip NY

Marine Point Forecast

[NOTICE]

Tonight
N 7kt
< 1ft
Monday
⇑S 7kt
< 1ft
Monday Night
S 10kt
< 1ft
Tuesday
SSE 15kt
< 1ft
Tuesday Night
SW 17kt
< 1ft
Wednesday
SW 15kt
< 1ft
Wednesday Night
W 11kt
< 1ft
Thursday
N 8kt
< 1ft
Thursday Night
Light Wind
< 1ft

Associated Zone Forecast which includes this point

Last Update: 2:22 pm EDT Jul 19, 2026
Forecast Valid: 10pm EDT Jul 19, 2026-6pm EDT Jul 26, 2026

View Nearby Observations

Detailed Forecast

Tonight

N wind around 7 kt. Mostly clear. Seas 1 ft or less.

Monday

Variable winds less than 5 kt becoming S 5 to 7 kt in the afternoon. Sunny. Seas 1 ft or less.

Monday Night

S wind around 10 kt. Increasing clouds. Seas 1 ft or less.

Tuesday

SSE wind 12 to 15 kt. A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Seas 1 ft or less.

Tuesday Night

S wind 15 to 17 kt becoming SW after midnight. Showers and possibly a thunderstorm. Seas 1 ft or less.

Wednesday

SW wind 13 to 15 kt. A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Seas 1 ft or less.

Wednesday Night

W wind 8 to 11 kt becoming NNW after midnight. Showers likely before 8pm. Seas 1 ft or less.

Thursday

N wind 6 to 8 kt becoming W in the afternoon. Sunny. Seas 1 ft or less.

Thursday Night

Variable winds 5 kt or less. Mostly clear. 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.