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San Juan, PR Local Forecast Office

27NM S San Juan PR

Marine Point Forecast

[NOTICE]

Late Afternoon
High: 84 °F
E 9kt
2ft
Tonight
Low: 82 °F
ENE 9kt
2ft
Monday
High: 84 °F
E 11kt
2-3ft
Monday Night
Low: 82 °F
E 8kt
3ft
Tuesday
High: 84 °F
E 9kt
2ft
Tuesday Night
Low: 82 °F
E 8kt
2ft
Wednesday
High: 84 °F
E 7kt⇓
2ft
Wednesday Night
Low: 82 °F
Light Wind
2ft
Thursday
High: 84 °F
⇑S 7kt
2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:14 pm EST Nov 1, 2026
Forecast Valid: 5pm EST Nov 1, 2026-6pm EST Nov 8, 2026

View Nearby Observations

Detailed Forecast

Late Afternoon

E wind around 9 kt. Scattered showers and thunderstorms. Seas around 2 ft.

Tonight

ENE wind around 9 kt. Scattered showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 5am, then showers likely after 5am. Seas around 2 ft.

Monday

E wind 8 to 11 kt. Scattered showers and thunderstorms. Seas 2 to 3 ft.

Monday Night

E wind around 8 kt. Scattered showers before 8pm, then scattered showers and thunderstorms between 8pm and 11pm, then scattered showers after 11pm. Seas around 3 ft.

Tuesday

E wind 7 to 9 kt. Scattered showers. Seas around 2 ft.

Tuesday Night

E wind around 8 kt. Scattered showers. Seas around 2 ft.

Wednesday

E wind 5 to 7 kt becoming variable and less than 5 kt in the afternoon. Scattered showers. 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 S 5 to 7 kt in the morning. 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.