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San Juan, PR Local Forecast Office

3NM NW San Juan PR

Marine Point Forecast

[NOTICE]

Today
High: 82 °F
S 7kt⇓
3ft
Tonight
Low: 79 °F
Light Wind
3ft
Sunday
High: 82 °F
⇑ENE 8kt
2ft
Sunday Night
Low: 79 °F
Light Wind
2ft
Monday
High: 82 °F
⇑ESE 10kt
2-3ft
Monday Night
Low: 79 °F
Light Wind
3ft
Tuesday
High: 82 °F
⇑E 6kt
3ft
Tuesday Night
Low: 79 °F
Light Wind
2ft
Wednesday
High: 82 °F
⇑E 9kt
2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:11 am EDT Apr 25, 2026
Forecast Valid: 5am EDT Apr 25, 2026-6pm EDT May 1, 2026

View Nearby Observations

Detailed Forecast

Today

S wind 5 to 7 kt becoming variable and less than 5 kt. Scattered showers, mainly after 3pm. Seas around 3 ft.

Tonight

Variable winds 5 kt or less. Isolated showers before midnight. Seas around 3 ft.

Sunday

Variable winds less than 5 kt becoming ENE 5 to 8 kt in the morning. Showers likely and possibly a thunderstorm after noon. Seas around 2 ft.

Sunday Night

Variable winds 5 kt or less. Showers likely and possibly a thunderstorm before midnight, then isolated showers. Seas around 2 ft.

Monday

Variable winds less than 5 kt becoming ESE 5 to 10 kt in the morning. Scattered showers, then showers and possibly a thunderstorm after noon. Seas 2 to 3 ft.

Monday Night

Variable winds 5 kt or less. Scattered showers, mainly before midnight. Seas around 3 ft.

Tuesday

Variable winds less than 5 kt becoming E around 6 kt in the afternoon. Showers likely. Seas around 3 ft.

Tuesday Night

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

Wednesday

Variable winds less than 5 kt becoming E 5 to 9 kt in the morning. Scattered showers. Seas around 2 ft.

*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.