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San Juan, PR Local Forecast Office

27NM S San Juan PR

Marine Point Forecast

[NOTICE]

This Afternoon
High: 86 °F
E 11kt
2ft
Tonight
Low: 82 °F
E 9kt
2ft
Columbus Day
High: 86 °F
E 8kt
2ft
Monday Night
Low: 82 °F
NE 6kt
2ft
Tuesday
High: 86 °F
E 8kt⇓
2ft
Tuesday Night
Low: 82 °F
ENE 10kt
2ft
Wednesday
High: 86 °F
E 8kt
2ft
Wednesday Night
Low: 82 °F
NE 7kt
2ft
Thursday
High: 86 °F
⇑E 11kt
2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:55 am EDT Oct 11, 2026
Forecast Valid: 1pm EDT Oct 11, 2026-6pm EDT Oct 17, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT SHOULD EXERCISE CAUTION...

This Afternoon

E wind around 11 kt. Scattered showers and thunderstorms. Seas around 2 ft.

Tonight

E wind 7 to 9 kt. Scattered showers, mainly after midnight. Seas around 2 ft.

Columbus Day

E wind around 8 kt. Isolated showers before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then scattered showers after 3pm. Seas around 2 ft.

Monday Night

NE wind around 6 kt. Scattered showers, mainly after 9pm. Seas around 2 ft.

Tuesday

E wind 5 to 8 kt becoming variable and less than 5 kt in the afternoon. Scattered showers. Seas around 2 ft.

Tuesday Night

ENE wind 7 to 10 kt. Scattered showers. Seas around 2 ft.

Wednesday

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

Wednesday Night

NE wind around 7 kt. Scattered showers. Seas around 2 ft.

Thursday

Variable winds less than 5 kt becoming E 6 to 11 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.