For More Weather Information:

San Juan, PR Local Forecast Office

3NM NW San Juan PR

Marine Point Forecast

[NOTICE]

Tonight
Low: 82 °F
Light Wind
4ft
Friday
High: 85 °F
⇑ESE 14kt
5ft
Friday Night
Low: 82 °F
ESE 8kt
5ft
Saturday
High: 85 °F
ESE 13kt
5ft
Saturday Night
Low: 82 °F
SE 7kt
4-5ft
Sunday
High: 85 °F
ESE 13kt
4ft
Sunday Night
Low: 82 °F
SE 7kt
4ft
Monday
High: 85 °F
ESE 13kt
4ft
Monday Night
Low: 82 °F
Light Wind
4ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 8:48 pm EDT Oct 22, 2026
Forecast Valid: 10pm EDT Oct 22, 2026-6pm EDT Oct 29, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH

Tonight

Variable winds 5 kt or less. Isolated showers. Seas around 4 ft.

Friday

Variable winds less than 5 kt becoming ESE 9 to 14 kt in the morning. Winds could gust as high as 20 kt. Isolated showers before noon, then scattered showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Seas around 5 ft.

Friday Night

ESE wind 6 to 8 kt. Showers likely and possibly a thunderstorm before 9pm, then scattered showers and thunderstorms after 9pm. Seas around 5 ft.

Saturday

ESE wind 8 to 13 kt. Scattered showers. Seas around 5 ft.

Saturday Night

SE wind 5 to 7 kt. Scattered showers, mainly after midnight. Seas 4 to 5 ft.

Sunday

ESE wind 6 to 13 kt. Isolated showers, then showers likely and possibly a thunderstorm after noon. Seas around 4 ft.

Sunday Night

SE wind around 7 kt. Mostly clear. Seas around 4 ft.

Monday

ESE wind 7 to 13 kt. Scattered showers. Seas around 4 ft.

Monday Night

Variable winds 5 kt or less. Partly cloudy. 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.