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San Juan, PR Local Forecast Office

4NM NE San Juan PR

Marine Point Forecast

[NOTICE]

Tonight
Low: 80 °F
ESE 9kt
< 1ft
Independence Day
High: 85 °F
E 14kt
< 1ft
Friday Night
Low: 80 °F
ESE 9kt
< 1ft
Saturday
High: 86 °F
E 14kt
< 1ft
Saturday Night
Low: 80 °F
E 9kt
< 1ft
Sunday
High: 85 °F
E 13kt
< 1ft
Sunday Night
Low: 79 °F
E 9kt
< 1ft
Monday
High: 84 °F
E 14kt
< 1ft
Monday Night
Low: 80 °F
ESE 11kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:50 pm EDT Jul 3, 2025
Forecast Valid: 8pm EDT Jul 3, 2025-6pm EDT Jul 10, 2025

View Nearby Observations

Detailed Forecast

Tonight

ESE wind 7 to 9 kt. Isolated showers before midnight, then isolated showers after 3am. Seas 1 ft or less.

Independence Day

E wind 8 to 14 kt, with gusts as high as 20 kt. Scattered showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then scattered showers and thunderstorms after 3pm. Seas 1 ft or less.

Friday Night

ESE wind 7 to 9 kt. Scattered showers, mainly after 9pm. Widespread haze before 9pm. Seas 1 ft or less.

Saturday

E wind 7 to 14 kt. Scattered showers, mainly after noon. Widespread haze before noon. Seas 1 ft or less.

Saturday Night

E wind around 9 kt. Scattered showers. Seas 1 ft or less.

Sunday

E wind 10 to 13 kt. Widespread haze. Seas 1 ft or less.

Sunday Night

E wind around 9 kt. Widespread haze. Seas 1 ft or less.

Monday

E wind 12 to 14 kt, with gusts as high as 20 kt. Scattered showers. Seas 1 ft or less.

Monday Night

ESE wind around 11 kt. Clear. Seas 1 ft or less.

*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.