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San Juan, PR Local Forecast Office

27NM S San Juan PR

Marine Point Forecast

[NOTICE]

Today
High: 85 °F
ESE 8kt
2ft
Tonight
Low: 82 °F
ENE 6kt
2ft
Saturday
High: 85 °F
E 10kt
2ft
Saturday Night
Low: 82 °F
NE 7kt
2ft
Sunday
High: 85 °F
E 8kt
2-3ft
Sunday Night
Low: 82 °F
ENE 8kt
2ft
Monday
High: 85 °F
ESE 9kt
2ft
Monday Night
Low: 82 °F
E 7kt
2ft
Tuesday
High: 85 °F
SE 8kt
2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:50 am EDT Oct 30, 2026
Forecast Valid: 5am EDT Oct 30, 2026-6pm EST Nov 5, 2026

View Nearby Observations

Detailed Forecast

Today

ESE wind 6 to 8 kt. Scattered showers, mainly before 3pm. Seas around 2 ft.

Tonight

ENE wind around 6 kt. Scattered showers, with thunderstorms also possible after midnight. Seas around 2 ft.

Saturday

E wind 7 to 10 kt. Isolated showers before 9am, then scattered showers and thunderstorms between 9am and noon, then scattered showers after noon. Seas around 2 ft.

Saturday Night

NE wind around 7 kt. Scattered showers, then showers likely and possibly a thunderstorm after midnight. Seas around 2 ft.

Sunday

E wind around 8 kt. Showers likely and possibly a thunderstorm before noon, then scattered showers. Seas 2 to 3 ft.

Sunday Night

ENE wind 6 to 8 kt. Showers likely and possibly a thunderstorm. Seas around 2 ft.

Monday

ESE wind 5 to 9 kt. Scattered showers before noon. Seas around 2 ft.

Monday Night

E wind 5 to 7 kt. Partly cloudy. Seas around 2 ft.

Tuesday

SE wind around 8 kt. 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.