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San Juan, PR Local Forecast Office

27NM S San Juan PR

Marine Point Forecast

[NOTICE]

Overnight
Low: 82 °F
Light Wind
1ft
Saturday
High: 83 °F
⇑SW 9kt
1ft
Saturday Night
Low: 82 °F
Light Wind
1ft
Sunday
High: 82 °F
Light Wind
1ft
Sunday Night
Low: 82 °F
Light Wind
1ft
Monday
High: 84 °F
⇑SSE 6kt
1ft
Monday Night
Low: 82 °F
Light Wind
1ft
Tuesday
High: 84 °F
⇑E 7kt
1ft
Tuesday Night
Low: 82 °F
⇑ENE 6kt
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 8:40 pm EST Nov 6, 2026
Forecast Valid: 12am EST Nov 7, 2026-6pm EST Nov 13, 2026

View Nearby Observations

Detailed Forecast

Overnight

Variable winds 5 kt or less. Showers likely and possibly a thunderstorm before 5am, then scattered showers and thunderstorms after 5am. Seas around 1 ft.

Saturday

Variable winds less than 5 kt becoming SW 5 to 9 kt in the morning. Scattered showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then scattered showers and thunderstorms after 2pm. Seas around 1 ft.

Saturday Night

Variable winds 5 kt or less. Scattered showers, mainly between 11pm and 2am. Seas around 1 ft.

Sunday

Variable winds 5 kt or less. Scattered showers. Seas around 1 ft.

Sunday Night

Variable winds 5 kt or less. Scattered showers. Seas around 1 ft.

Monday

Variable winds less than 5 kt becoming SSE around 6 kt in the afternoon. Scattered showers, mainly after 11am. Seas around 1 ft.

Monday Night

Variable winds 5 kt or less. Partly cloudy. Seas around 1 ft.

Tuesday

Variable winds less than 5 kt becoming E 5 to 7 kt in the morning. Mostly sunny. Seas around 1 ft.

Tuesday Night

Variable winds less than 5 kt becoming ENE around 6 kt after midnight. Partly cloudy. Seas around 1 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.