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San Juan, PR Local Forecast Office

4NM NW San Juan PR

Marine Point Forecast

[NOTICE]
    • Tuesday

      Tuesday:Variable winds less than 5 kt becoming ENE 7 to 12 kt in the morning. Scattered showers, mainly before 8am.   Seas around 3 ft.

      High: 81 °F

      ⇑ENE 12kt
      3ft

    • Tuesday Night

      Tuesday Night:E wind 5 to 8 kt becoming variable and less than 5 kt. Scattered showers, mainly after 2am.   Seas around 3 ft.

      Low: 78 °F

      E 8kt⇓
      3ft

    • Wednesday

      Wednesday:Variable winds less than 5 kt becoming E 6 to 11 kt in the morning. Scattered showers.   Seas around 3 ft.

      High: 81 °F

      ⇑E 11kt
      3ft

    • Wednesday Night

      Wednesday Night:ESE wind around 7 kt. Scattered showers.   Seas 3 to 4 ft.

      Low: 78 °F

      ESE 7kt
      3-4ft

    • Thursday

      Thursday:ESE wind 6 to 12 kt. Scattered showers, mainly after 11am.   Seas around 4 ft.

      High: 82 °F

      ESE 12kt
      4ft

    • Thursday Night

      Thursday Night:ESE wind around 6 kt becoming variable and less than 5 kt after midnight. Scattered showers.   Seas 3 to 4 ft.

      Low: 78 °F

      ESE 6kt⇓
      3-4ft

    • Friday

      Friday:Variable winds less than 5 kt becoming E 8 to 13 kt in the morning. Scattered showers.   Seas around 3 ft.

      High: 82 °F

      ⇑E 13kt
      3ft

    • Friday Night

      Friday Night:E wind around 10 kt. Scattered showers.   Seas around 3 ft.

      Low: 79 °F

      E 10kt
      3ft

    • Saturday

      Saturday:E wind 12 to 15 kt. Scattered showers.   Seas around 4 ft.

      High: 82 °F

      E 15kt
      4ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:44 pm EST Jan 12, 2026
Forecast Valid: 1am EST Jan 13, 2026-6pm EST Jan 19, 2026

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Detailed Forecast


Tuesday
Variable winds less than 5 kt becoming ENE 7 to 12 kt in the morning. Scattered showers, mainly before 8am. Seas around 3 ft.
Tuesday Night
E wind 5 to 8 kt becoming variable and less than 5 kt. Scattered showers, mainly after 2am. Seas around 3 ft.
Wednesday
Variable winds less than 5 kt becoming E 6 to 11 kt in the morning. Scattered showers. Seas around 3 ft.
Wednesday Night
ESE wind around 7 kt. Scattered showers. Seas 3 to 4 ft.
Thursday
ESE wind 6 to 12 kt. Scattered showers, mainly after 11am. Seas around 4 ft.
Thursday Night
ESE wind around 6 kt becoming variable and less than 5 kt after midnight. Scattered showers. Seas 3 to 4 ft.
Friday
Variable winds less than 5 kt becoming E 8 to 13 kt in the morning. Scattered showers. Seas around 3 ft.
Friday Night
E wind around 10 kt. Scattered showers. Seas around 3 ft.
Saturday
E wind 12 to 15 kt. Scattered showers. Seas around 4 ft.

*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: 18.46°N 66.13°W
Last Update: 2:44 pm EST Jan 12, 2026
Forecast Valid: 1am EST Jan 13, 2026-6pm EST Jan 19, 2026
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