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San Juan, PR Local Forecast Office

4NM NE San Juan PR

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:E wind 7 to 10 kt. Scattered showers.   Seas 1 ft or less.

      Low: 79 °F

      E 10kt
      < 1ft

    • Wednesday

      Wednesday:ESE wind 6 to 12 kt. Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 9am.   Seas 1 ft or less.

      High: 88 °F

      ESE 12kt
      < 1ft

    • Wednesday Night

      Wednesday Night:SE wind 6 to 8 kt. Scattered showers before 9pm, then showers likely and possibly a thunderstorm between 9pm and 3am, then scattered showers and thunderstorms after 3am.   Seas 1 ft or less.

      Low: 79 °F

      SE 8kt
      < 1ft

    • Thursday

      Thursday:E wind 8 to 13 kt. Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after noon.   Seas 1 ft or less.

      High: 89 °F

      E 13kt
      < 1ft

    • Thursday Night

      Thursday Night:ESE wind 7 to 9 kt. Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight.   Seas 1 ft or less.

      Low: 80 °F

      ESE 9kt
      < 1ft

    • Friday

      Friday:E wind 11 to 14 kt, with gusts as high as 20 kt. Scattered showers, mainly before noon.   Seas 1 ft or less.

      High: 88 °F

      E 14kt
      < 1ft

    • Friday Night

      Friday Night:E wind around 10 kt. Partly cloudy. Seas 1 ft or less.

      Low: 79 °F

      E 10kt
      < 1ft

    • Saturday

      Saturday:E wind 8 to 12 kt. Mostly sunny. Seas 1 ft or less.

      High: 88 °F

      E 12kt
      < 1ft

    • Saturday Night

      Saturday Night:ESE wind around 9 kt. Partly cloudy. Seas 1 ft or less.

      Low: 78 °F

      ESE 9kt
      < 1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:42 pm EDT Oct 6, 2026
Forecast Valid: 9pm EDT Oct 6, 2026-6pm EDT Oct 13, 2026

View Nearby Observations

Detailed Forecast


Tonight
E wind 7 to 10 kt. Scattered showers. Seas 1 ft or less.
Wednesday
ESE wind 6 to 12 kt. Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 9am. Seas 1 ft or less.
Wednesday Night
SE wind 6 to 8 kt. Scattered showers before 9pm, then showers likely and possibly a thunderstorm between 9pm and 3am, then scattered showers and thunderstorms after 3am. Seas 1 ft or less.
Thursday
E wind 8 to 13 kt. Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Seas 1 ft or less.
Thursday Night
ESE wind 7 to 9 kt. Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Seas 1 ft or less.
Friday
E wind 11 to 14 kt, with gusts as high as 20 kt. Scattered showers, mainly before noon. Seas 1 ft or less.
Friday Night
E wind around 10 kt. Partly cloudy. Seas 1 ft or less.
Saturday
E wind 8 to 12 kt. Mostly sunny. Seas 1 ft or less.
Saturday Night
ESE wind around 9 kt. Partly cloudy. 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: 4:42 pm EDT Oct 6, 2026
Forecast Valid: 9pm EDT Oct 6, 2026-6pm EDT Oct 13, 2026
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