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San Juan, PR Local Forecast Office

27NM S San Juan PR

Marine Point Forecast

[NOTICE]

Wednesday
High: 85 °F
ESE 9kt
3ft
Wednesday Night
Low: 83 °F
E 7kt
3ft
Thursday
High: 86 °F
E 10kt
3ft
Thursday Night
Low: 83 °F
E 9kt
2ft
Friday
High: 86 °F
E 12kt
2-3ft
Friday Night
Low: 83 °F
ENE 9kt
2-3ft
Saturday
High: 86 °F
E 11kt
2ft
Saturday Night
Low: 83 °F
ENE 8kt
2ft
Sunday
High: 86 °F
E 9kt
2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:25 am EDT Oct 7, 2026
Forecast Valid: 2am EDT Oct 7, 2026-6pm EDT Oct 13, 2026

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Detailed Forecast

...SMALL CRAFT SHOULD EXERCISE CAUTION...

Wednesday

ESE wind 7 to 9 kt. Showers likely and possibly a thunderstorm before noon, then scattered showers between noon and 3pm, then scattered showers and thunderstorms after 3pm. Seas around 3 ft.

Wednesday Night

E wind 5 to 7 kt. Scattered showers and thunderstorms before 9pm, then showers and possibly a thunderstorm between 9pm and 3am, then scattered showers and thunderstorms after 3am. Seas around 3 ft.

Thursday

E wind 8 to 10 kt. Showers likely and possibly a thunderstorm. Seas around 3 ft.

Thursday Night

E wind 7 to 9 kt. Scattered showers, with thunderstorms also possible after midnight. Seas around 2 ft.

Friday

E wind 10 to 12 kt. Isolated showers. Seas 2 to 3 ft.

Friday Night

ENE wind 7 to 9 kt. Isolated showers. Seas 2 to 3 ft.

Saturday

E wind 8 to 11 kt. Sunny. Seas around 2 ft.

Saturday Night

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

Sunday

E wind around 9 kt. 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.