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San Juan, PR Local Forecast Office

27NM S San Juan PR

Marine Point Forecast

[NOTICE]

Tonight
Low: 82 °F
ESE 8kt
3ft
Saturday
High: 85 °F
ESE 9kt
3ft
Saturday Night
Low: 82 °F
ESE 8kt
3ft
Sunday
High: 85 °F
SE 10kt
3ft
Sunday Night
Low: 82 °F
ESE 8kt
3ft
Monday
High: 85 °F
SE 9kt
3ft
Monday Night
Low: 82 °F
Light Wind
3ft
Tuesday
High: 85 °F
SE 8kt
3ft
Tuesday Night
Low: 82 °F
Light Wind
2-3ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:53 pm EDT Oct 23, 2026
Forecast Valid: 7pm EDT Oct 23, 2026-6pm EDT Oct 30, 2026

View Nearby Observations

Detailed Forecast

Tonight

ESE wind around 8 kt. Scattered showers and thunderstorms, then showers likely after midnight. Seas around 3 ft.

Saturday

ESE wind around 9 kt. Showers likely before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then scattered showers after 3pm. Seas around 3 ft.

Saturday Night

ESE wind around 8 kt. Showers and thunderstorms likely before midnight, then scattered showers between midnight and 3am, then showers likely and possibly a thunderstorm after 3am. Seas around 3 ft.

Sunday

SE wind around 10 kt. Scattered showers and thunderstorms. Seas around 3 ft.

Sunday Night

ESE wind around 8 kt. Scattered showers. Seas around 3 ft.

Monday

SE wind 7 to 9 kt. Scattered showers. Seas around 3 ft.

Monday Night

Variable winds 5 kt or less. Scattered showers. Seas around 3 ft.

Tuesday

SE wind 5 to 8 kt. Scattered showers. Seas around 3 ft.

Tuesday Night

Variable winds 5 kt or less. Mostly clear. Seas 2 to 3 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.