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San Juan, PR Local Forecast Office

3NM NW San Juan PR

Marine Point Forecast

[NOTICE]

Today
High: 82 °F
E 12kt
2-3ft
Tonight
Low: 81 °F
ESE 7kt
3ft
Sunday
High: 82 °F
⇑SE 9kt
3ft
Sunday Night
Low: 81 °F
SE 6kt⇓
2-3ft
Monday
High: 82 °F
⇑ENE 7kt
2ft
Monday Night
Low: 81 °F
Light Wind
2ft
Tuesday
High: 82 °F
NNE 9kt
2ft
Tuesday Night
Low: 81 °F
ENE 8kt
3ft
Wednesday
High: 82 °F
ENE 11kt
4ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:53 am EST Jan 3, 2026
Forecast Valid: 7am EST Jan 3, 2026-6pm EST Jan 9, 2026

View Nearby Observations

Detailed Forecast

Today

SE wind 5 to 12 kt becoming E in the morning. Isolated showers. Seas 2 to 3 ft.

Tonight

ESE wind 5 to 7 kt. Isolated showers before 11pm, then isolated showers after 2am. Seas around 3 ft.

Sunday

Variable winds less than 5 kt becoming SE 5 to 9 kt in the morning. Isolated showers before 8am, then isolated showers after 11am. Seas around 3 ft.

Sunday Night

SE wind around 6 kt becoming variable and less than 5 kt in the evening. Isolated showers. Seas 2 to 3 ft.

Monday

Variable winds less than 5 kt becoming ENE 5 to 7 kt in the afternoon. Isolated showers, then showers likely and possibly a thunderstorm after 11am. Seas around 2 ft.

Monday Night

Variable winds 5 kt or less. Showers likely and possibly a thunderstorm. Seas around 2 ft.

Tuesday

E wind 6 to 9 kt becoming NNE in the afternoon. Showers likely, mainly before 11am. Seas around 2 ft.

Tuesday Night

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

Wednesday

ENE wind 7 to 11 kt. Mostly sunny. Seas around 4 ft.

*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.