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San Juan, PR Local Forecast Office

3NM NW San Juan PR

Marine Point Forecast

[NOTICE]

This Afternoon
High: 83 °F
ENE 9kt
4ft
Tonight
Low: 82 °F
SE 6kt⇓
4ft
Tuesday
High: 83 °F
⇑ENE 7kt
3-4ft
Tuesday Night
Low: 82 °F
ESE 6kt
3-4ft
Veterans Day
High: 83 °F
ESE 11kt
3-4ft
Wednesday Night
Low: 82 °F
ESE 7kt⇓
3-4ft
Thursday
High: 83 °F
SE 11kt
3ft
Thursday Night
Low: 82 °F
SE 7kt⇓
3ft
Friday
High: 83 °F
SE 13kt
3ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 11:15 am EST Nov 9, 2026
Forecast Valid: 12pm EST Nov 9, 2026-6pm EST Nov 15, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

ENE wind 6 to 9 kt. Scattered showers, with thunderstorms also possible after 2pm. Seas around 4 ft.

Tonight

SE wind around 6 kt becoming variable and less than 5 kt after midnight. Scattered showers and thunderstorms before 11pm, then isolated showers after 2am. Seas around 4 ft.

Tuesday

Variable winds less than 5 kt becoming ENE 5 to 7 kt in the morning. Scattered showers, with thunderstorms also possible after 2pm. Seas 3 to 4 ft.

Tuesday Night

ESE wind around 6 kt. Isolated showers before 8pm, then isolated showers after 11pm. Seas 3 to 4 ft.

Veterans Day

ESE wind 6 to 11 kt. Isolated showers, then showers likely and possibly a thunderstorm after 11am. Seas 3 to 4 ft.

Wednesday Night

ESE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Isolated showers. Seas 3 to 4 ft.

Thursday

SE wind 5 to 11 kt. Showers likely after 11am. Seas around 3 ft.

Thursday Night

SE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas around 3 ft.

Friday

SE wind 5 to 13 kt. Scattered showers. 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.