Hazardous Weather Conditions

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San Juan, PR Local Forecast Office

4NM NE San Juan PR

Marine Point Forecast

[NOTICE]
    • Today

      Today:E wind 8 to 13 kt. Scattered showers, mainly after 9am.   Seas 1 ft or less.

      High: 87 °F

      E 13kt
      < 1ft

    • Tonight

      Tonight:ESE wind 6 to 9 kt. Isolated showers before midnight, then isolated showers after 3am.   Seas 1 ft or less.

      Low: 80 °F

      ESE 9kt
      < 1ft

    • Independence Day

      Independence Day:E wind 9 to 14 kt. Scattered showers and thunderstorms before 9am, then scattered showers between 9am and noon, then showers likely and possibly a thunderstorm after noon.   Seas 1 ft or less.

      High: 85 °F

      E 14kt
      < 1ft

    • Friday Night

      Friday Night:E wind around 10 kt. Scattered showers, mainly after midnight.  Widespread haze before midnight.  Seas 1 ft or less.

      Low: 80 °F

      E 10kt
      < 1ft

    • Saturday

      Saturday:E wind 8 to 15 kt. Scattered showers, mainly after noon.  Widespread haze before noon.  Seas 1 ft or less.

      High: 86 °F

      E 15kt
      < 1ft

    • Saturday Night

      Saturday Night:E wind 8 to 10 kt. Scattered showers.   Seas 1 ft or less.

      Low: 80 °F

      E 10kt
      < 1ft

    • Sunday

      Sunday:E wind 11 to 13 kt. Widespread haze.  Seas 1 ft or less.

      High: 85 °F

      E 13kt
      < 1ft

    • Sunday Night

      Sunday Night:E wind around 9 kt. Widespread haze.  Seas 1 ft or less.

      Low: 79 °F

      E 9kt
      < 1ft

    • Monday

      Monday:E wind 12 to 16 kt. Scattered showers.   Seas 1 ft or less.

      High: 84 °F

      E 16kt
      < 1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:31 am EDT Jul 3, 2025
Forecast Valid: 5am EDT Jul 3, 2025-6pm EDT Jul 9, 2025

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Detailed Forecast


Today
E wind 8 to 13 kt. Scattered showers, mainly after 9am. Seas 1 ft or less.
Tonight
ESE wind 6 to 9 kt. Isolated showers before midnight, then isolated showers after 3am. Seas 1 ft or less.
Independence Day
E wind 9 to 14 kt. Scattered showers and thunderstorms before 9am, then scattered showers between 9am and noon, then showers likely and possibly a thunderstorm after noon. Seas 1 ft or less.
Friday Night
E wind around 10 kt. Scattered showers, mainly after midnight. Widespread haze before midnight. Seas 1 ft or less.
Saturday
E wind 8 to 15 kt. Scattered showers, mainly after noon. Widespread haze before noon. Seas 1 ft or less.
Saturday Night
E wind 8 to 10 kt. Scattered showers. Seas 1 ft or less.
Sunday
E wind 11 to 13 kt. Widespread haze. Seas 1 ft or less.
Sunday Night
E wind around 9 kt. Widespread haze. Seas 1 ft or less.
Monday
E wind 12 to 16 kt. Scattered showers. Seas 1 ft or less.

Winds and seas higher in and near thunderstorms.

*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: 18.45°N 65.99°W
Last Update: 3:31 am EDT Jul 3, 2025
Forecast Valid: 5am EDT Jul 3, 2025-6pm EDT Jul 9, 2025
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