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Hazardous Weather Conditions

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New York, NY Local Forecast Office

12NM NNE Islip NY

Marine Point Forecast

[NOTICE]

    • Today

      Today:WNW wind 18 to 23 km/h decreasing to 13 to 18 km/h in the afternoon. Winds could gust as high as 37 km/h. Sunny. Seas 1 m or less.

      WNW 23km/h⇓
      < 1m

    • Tonight

      Tonight:S wind 10 to 13 km/h increasing to 13 to 16 km/h after midnight. Winds could gust as high as 35 km/h. A slight chance of rain after 4am. Seas 1 m or less.

      ⇑S 16km/h
      < 1m

    • Monday

      Monday:SSE wind 21 to 24 km/h becoming SSW 18 to 21 km/h in the afternoon. Winds could gust as high as 42 km/h. Rain, mainly after 8am. Seas 1 m or less.

      SSE 24km/h⇓
      < 1m

    • Monday Night

      Monday Night:SW wind around 14 km/h. Rain likely before 8pm. Seas 1 m or less.

      SW 14km/h
      < 1m

    • Tuesday

      Tuesday:W wind 14 to 19 km/h increasing to 19 to 24 km/h in the afternoon. Winds could gust as high as 35 km/h. Mostly sunny. Seas 1 m or less.

      ⇑W 24km/h
      < 1m

    • Tuesday Night

      Tuesday Night:W wind 8 to 13 km/h. A chance of rain after 2am. Seas 1 m or less.

      W 13km/h
      < 1m

    • Wednesday

      Wednesday:WNW wind 11 to 16 km/h. A chance of rain before 2pm. Seas 1 m or less.

      WNW 16km/h
      < 1m

    • Wednesday Night

      Wednesday Night:NW wind around 14 km/h. Partly cloudy. Seas 1 m or less.

      NW 14km/h
      < 1m

    • Thursday

      Thursday:NW wind 14 to 16 km/h becoming W in the afternoon. Sunny. Seas 1 m or less.

      W 16km/h
      < 1m


Associated Zone Forecast which includes this point

Last Update: 7:47 am EDT Mar 23, 2025
Forecast Valid: 8am EDT Mar 23, 2025-6pm EDT Mar 29, 2025

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Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING...

Today
WNW wind 18 to 23 km/h decreasing to 13 to 18 km/h in the afternoon. Winds could gust as high as 37 km/h. Sunny. Seas 1 m or less.
Tonight
S wind 10 to 13 km/h increasing to 13 to 16 km/h after midnight. Winds could gust as high as 35 km/h. A slight chance of rain after 4am. Seas 1 m or less.
Monday
SSE wind 21 to 24 km/h becoming SSW 18 to 21 km/h in the afternoon. Winds could gust as high as 42 km/h. Rain, mainly after 8am. Seas 1 m or less.
Monday Night
SW wind around 14 km/h. Rain likely before 8pm. Seas 1 m or less.
Tuesday
W wind 14 to 19 km/h increasing to 19 to 24 km/h in the afternoon. Winds could gust as high as 35 km/h. Mostly sunny. Seas 1 m or less.
Tuesday Night
W wind 8 to 13 km/h. A chance of rain after 2am. Seas 1 m or less.
Wednesday
WNW wind 11 to 16 km/h. A chance of rain before 2pm. Seas 1 m or less.
Wednesday Night
NW wind around 14 km/h. Partly cloudy. Seas 1 m or less.
Thursday
NW wind 14 to 16 km/h becoming W in the afternoon. Sunny. Seas 1 m or less.

*Notices:

  1. 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.
  2. 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.
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ABOUT THIS FORECAST

Point Forecast: 40.92°N 73.15°W
Last Update: 7:47 am EDT Mar 23, 2025
Forecast Valid: 8am EDT Mar 23, 2025-6pm EDT Mar 29, 2025
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