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San Juan, PR Local Forecast Office

3NM NW San Juan PR

Marine Point Forecast

[NOTICE]

Sunday
High: 87 °F
⇑E 14kt
3ft
Sunday Night
Low: 79 °F
ESE 8kt
3ft
Monday
High: 86 °F
E 14kt
4ft
Monday Night
Low: 80 °F
E 9kt
4ft
Tuesday
High: 85 °F
ENE 14kt
4ft
Tuesday Night
Low: 79 °F
E 10kt
3ft
Wednesday
High: 85 °F
E 10kt
3-4ft
Wednesday Night
Low: 79 °F
E 11kt
3ft
Thursday
High: 86 °F
E 14kt
3ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:49 am EDT Sep 27, 2026
Forecast Valid: 3am EDT Sep 27, 2026-6pm EDT Oct 3, 2026

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Detailed Forecast

Sunday

Variable winds less than 5 kt becoming E 9 to 14 kt in the morning. Scattered showers, with thunderstorms also possible after 3pm. Seas around 3 ft.

Sunday Night

ESE wind 5 to 8 kt. Scattered showers before midnight, then scattered showers and thunderstorms between midnight and 3am, then scattered showers after 3am. Seas around 3 ft.

Monday

E wind 7 to 14 kt, with gusts as high as 20 kt. Scattered showers before noon, then scattered showers and thunderstorms between noon and 3pm, then isolated showers after 3pm. Seas around 4 ft.

Monday Night

E wind 5 to 9 kt. Scattered showers, mainly after midnight. Seas around 4 ft.

Tuesday

ENE wind 8 to 14 kt. Isolated showers. Seas around 4 ft.

Tuesday Night

E wind 8 to 10 kt. Scattered showers. Seas around 3 ft.

Wednesday

E wind 8 to 10 kt. Scattered showers after noon. Seas 3 to 4 ft.

Wednesday Night

E wind 8 to 11 kt. Scattered showers. Seas around 3 ft.

Thursday

E wind 9 to 14 kt. Mostly sunny. Seas around 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.