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San Juan, PR Local Forecast Office

3NM NW San Juan PR

Marine Point Forecast

[NOTICE]
    • Today

      Today:Variable winds less than 5 kt becoming ENE 5 to 9 kt in the morning. Scattered showers between 8am and 2pm, then scattered showers and thunderstorms after 2pm.   Seas around 4 ft.

      High: 83 °F

      ⇑ENE 9kt
      4ft

    • Tonight

      Tonight:SE wind around 6 kt becoming variable and less than 5 kt after midnight. Scattered showers and thunderstorms before 11pm, then isolated showers after 2am.   Seas around 4 ft.

      Low: 82 °F

      SE 6kt⇓
      4ft

    • Tuesday

      Tuesday:Variable winds less than 5 kt becoming ENE 5 to 7 kt in the morning. Isolated showers, then scattered showers and thunderstorms after 11am.   Seas 3 to 4 ft.

      High: 83 °F

      ⇑ENE 7kt
      3-4ft

    • Tuesday Night

      Tuesday Night:ESE wind around 6 kt. Isolated showers.   Seas 3 to 4 ft.

      Low: 82 °F

      ESE 6kt
      3-4ft

    • Veterans Day

      Veterans Day:ESE wind 6 to 11 kt. Isolated showers, then showers likely and possibly a thunderstorm after 11am.   Seas 3 to 4 ft.

      High: 83 °F

      ESE 11kt
      3-4ft

    • Wednesday Night

      Wednesday Night:ESE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Isolated showers.   Seas 3 to 4 ft.

      Low: 82 °F

      ESE 7kt⇓
      3-4ft

    • Thursday

      Thursday:SE wind 5 to 11 kt. Showers likely after 11am.   Seas around 3 ft.

      High: 83 °F

      SE 11kt
      3ft

    • Thursday Night

      Thursday Night:SE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas around 3 ft.

      Low: 82 °F

      SE 7kt⇓
      3ft

    • Friday

      Friday:SE wind 5 to 13 kt. Scattered showers.   Seas around 3 ft.

      High: 83 °F

      SE 13kt
      3ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:30 am EST Nov 9, 2026
Forecast Valid: 5am EST Nov 9, 2026-6pm EST Nov 15, 2026

View Nearby Observations

Detailed Forecast


Today
Variable winds less than 5 kt becoming ENE 5 to 9 kt in the morning. Scattered showers between 8am and 2pm, then scattered showers and thunderstorms after 2pm. Seas around 4 ft.
Tonight
SE wind around 6 kt becoming variable and less than 5 kt after midnight. Scattered showers and thunderstorms before 11pm, then isolated showers after 2am. Seas around 4 ft.
Tuesday
Variable winds less than 5 kt becoming ENE 5 to 7 kt in the morning. Isolated showers, then scattered showers and thunderstorms after 11am. Seas 3 to 4 ft.
Tuesday Night
ESE wind around 6 kt. Isolated showers. Seas 3 to 4 ft.
Veterans Day
ESE wind 6 to 11 kt. Isolated showers, then showers likely and possibly a thunderstorm after 11am. Seas 3 to 4 ft.
Wednesday Night
ESE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Isolated showers. Seas 3 to 4 ft.
Thursday
SE wind 5 to 11 kt. Showers likely after 11am. Seas around 3 ft.
Thursday Night
SE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas around 3 ft.
Friday
SE wind 5 to 13 kt. Scattered showers. Seas around 3 ft.

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 66.1°W
Last Update: 1:30 am EST Nov 9, 2026
Forecast Valid: 5am EST Nov 9, 2026-6pm EST Nov 15, 2026
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