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New York, NY Local Forecast Office

15NM WSW Islip NY

Marine Point Forecast

[NOTICE]
    • Today

      Today:Variable winds less than 5 kt becoming E 5 to 9 kt in the morning. Partly sunny. Seas 1 ft or less.

      ⇑E 9kt
      < 1ft

    • Tonight

      Tonight:E wind around 7 kt. Mostly cloudy. Seas 1 ft or less.

      E 7kt
      < 1ft

    • Sunday

      Sunday:E wind 7 to 9 kt becoming SE in the afternoon. Partly sunny. Seas 1 ft or less.

      SE 9kt
      < 1ft

    • Sunday Night

      Sunday Night:ESE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly cloudy. Seas 1 ft or less.

      ESE 7kt⇓
      < 1ft

    • Monday

      Monday:Variable winds less than 5 kt becoming S 5 to 8 kt in the morning. A chance of showers and thunderstorms.  Patchy fog before 7am.  Seas 1 ft or less.

      ⇑S 8kt
      < 1ft

    • Monday Night

      Monday Night:S wind around 6 kt becoming variable and less than 5 kt after midnight. Patchy fog after 2am.  Seas 1 ft or less.

      S 6kt⇓
      < 1ft

    • Tuesday

      Tuesday:Variable winds less than 5 kt becoming SSW 5 to 7 kt in the afternoon. Patchy fog before 8am.  Seas 1 ft or less.

      ⇑SSW 7kt
      < 1ft

    • Tuesday Night

      Tuesday Night:SW wind 5 to 8 kt. Partly cloudy. Seas 1 ft or less.

      SW 8kt
      < 1ft

    • Wednesday

      Wednesday:Variable winds less than 5 kt becoming S 5 to 10 kt in the morning. Mostly sunny. Seas 1 ft or less.

      ⇑S 10kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 3:57 am EDT Jul 12, 2025
Forecast Valid: 5am EDT Jul 12, 2025-6pm EDT Jul 18, 2025

View Nearby Observations

Detailed Forecast


Today
Variable winds less than 5 kt becoming E 5 to 9 kt in the morning. Partly sunny. Seas 1 ft or less.
Tonight
E wind around 7 kt. Mostly cloudy. Seas 1 ft or less.
Sunday
E wind 7 to 9 kt becoming SE in the afternoon. Partly sunny. Seas 1 ft or less.
Sunday Night
ESE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly cloudy. Seas 1 ft or less.
Monday
Variable winds less than 5 kt becoming S 5 to 8 kt in the morning. A chance of showers and thunderstorms. Patchy fog before 7am. Seas 1 ft or less.
Monday Night
S wind around 6 kt becoming variable and less than 5 kt after midnight. Patchy fog after 2am. Seas 1 ft or less.
Tuesday
Variable winds less than 5 kt becoming SSW 5 to 7 kt in the afternoon. Patchy fog before 8am. Seas 1 ft or less.
Tuesday Night
SW wind 5 to 8 kt. Partly cloudy. Seas 1 ft or less.
Wednesday
Variable winds less than 5 kt becoming S 5 to 10 kt in the morning. Mostly sunny. Seas 1 ft or less.

Winds and waves may be higher in and near tstms.

*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: 40.61°N 73.51°W
Last Update: 3:57 am EDT Jul 12, 2025
Forecast Valid: 5am EDT Jul 12, 2025-6pm EDT Jul 18, 2025
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