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San Juan, PR Local Forecast Office

27NM S San Juan PR

Marine Point Forecast

[NOTICE]

This Afternoon
High: 83 °F
ESE 7kt
1ft
Tonight
Low: 80 °F
Light Wind
1-2ft
Tuesday
High: 83 °F
Light Wind
2ft
Tuesday Night
Low: 80 °F
Light Wind
2ft
Wednesday
High: 83 °F
E 8kt
2ft
Wednesday Night
Low: 80 °F
Light Wind
2ft
Thursday
High: 83 °F
⇑ESE 6kt
1-2ft
Thursday Night
Low: 80 °F
ENE 6kt⇓
1ft
Friday
High: 83 °F
ESE 8kt
2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:36 pm EDT Apr 27, 2026
Forecast Valid: 4pm EDT Apr 27, 2026-6pm EDT May 4, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

ESE wind around 7 kt. Scattered showers and thunderstorms. Seas around 1 ft.

Tonight

Variable winds 5 kt or less. Showers likely and possibly a thunderstorm. Seas 1 to 2 ft.

Tuesday

Variable winds 5 kt or less. Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 9am. Seas around 2 ft.

Tuesday Night

Variable winds 5 kt or less. Scattered showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 3am, then scattered showers and thunderstorms after 3am. Seas around 2 ft.

Wednesday

ENE wind 5 to 8 kt becoming ESE in the afternoon. Scattered showers, with thunderstorms also possible after noon. Seas around 2 ft.

Wednesday Night

Variable winds 5 kt or less. Scattered showers. Seas around 2 ft.

Thursday

Variable winds less than 5 kt becoming ESE around 6 kt in the afternoon. Scattered showers. Seas 1 to 2 ft.

Thursday Night

ENE wind around 6 kt becoming variable and less than 5 kt after midnight. Scattered showers. Seas around 1 ft.

Friday

ESE wind 6 to 8 kt. Scattered showers. Seas around 2 ft.

Winds and seas higher in and near thunderstorms.

*Notices:

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.
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.