Hazardous Weather Conditions

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New York, NY Local Forecast Office

7NM WSW Islip NY

Marine Point Forecast

[NOTICE]
    • Today

      Today:Variable winds less than 5 kt becoming N 5 to 8 kt in the morning. Mostly sunny. Seas 1 ft or less.

      ⇑N 8kt
      < 1ft

    • Tonight

      Tonight:NNE wind 6 to 11 kt. Partly cloudy. Seas 1 ft or less.

      NNE 11kt
      < 1ft

    • Saturday

      Saturday:NE wind 7 to 9 kt becoming E in the afternoon. Mostly sunny. Seas 1 ft or less.

      NE 9kt
      < 1ft

    • Saturday Night

      Saturday Night:ESE wind around 6 kt. Mostly cloudy. Seas 1 ft or less.

      ESE 6kt
      < 1ft

    • Sunday

      Sunday:SE wind 7 to 10 kt. Showers likely, mainly after 2pm.   Seas 1 ft or less.

      SE 10kt
      < 1ft

    • Sunday Night

      Sunday Night:SSE wind 6 to 8 kt becoming ENE after midnight. Showers.   Seas 1 ft or less.

      SSE 8kt
      < 1ft

    • Monday

      Monday:NE wind 11 to 13 kt, with gusts as high as 21 kt. Showers likely, mainly before 8am.   Seas 1 ft or less.

      NE 13kt
      < 1ft

    • Monday Night

      Monday Night:ENE wind 12 to 14 kt, with gusts as high as 21 kt. A chance of showers.   Seas 1 ft or less.

      ENE 14kt
      < 1ft

    • Tuesday

      Tuesday:ENE wind around 19 kt, with gusts as high as 29 kt. A chance of showers.   Seas 1 ft or less.

      ENE 19kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 5:16 am EDT Sep 18, 2026
Forecast Valid: 6am EDT Sep 18, 2026-6pm EDT Sep 24, 2026

View Nearby Observations

Detailed Forecast


Today
Variable winds less than 5 kt becoming N 5 to 8 kt in the morning. Mostly sunny. Seas 1 ft or less.
Tonight
NNE wind 6 to 11 kt. Partly cloudy. Seas 1 ft or less.
Saturday
NE wind 7 to 9 kt becoming E in the afternoon. Mostly sunny. Seas 1 ft or less.
Saturday Night
ESE wind around 6 kt. Mostly cloudy. Seas 1 ft or less.
Sunday
SE wind 7 to 10 kt. Showers likely, mainly after 2pm. Seas 1 ft or less.
Sunday Night
SSE wind 6 to 8 kt becoming ENE after midnight. Showers. Seas 1 ft or less.
Monday
NE wind 11 to 13 kt, with gusts as high as 21 kt. Showers likely, mainly before 8am. Seas 1 ft or less.
Monday Night
ENE wind 12 to 14 kt, with gusts as high as 21 kt. A chance of showers. Seas 1 ft or less.
Tuesday
ENE wind around 19 kt, with gusts as high as 29 kt. A chance of showers. Seas 1 ft 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: 40.68°N 73.35°W
Last Update: 5:16 am EDT Sep 18, 2026
Forecast Valid: 6am EDT Sep 18, 2026-6pm EDT Sep 24, 2026
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