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San Juan, PR Local Forecast Office

3NM NW San Juan PR

Marine Point Forecast

[NOTICE]

Tuesday
High: 85 °F
Light Wind
4-6ft
Tuesday Night
Low: 82 °F
Light Wind
5ft
Wednesday
High: 85 °F
Light Wind
4ft
Wednesday Night
Low: 82 °F
ESE 6kt
3-4ft
Thursday
High: 85 °F
ESE 12kt
3ft
Thursday Night
Low: 82 °F
Light Wind
3-4ft
Friday
High: 85 °F
ESE 8kt
4ft
Friday Night
Low: 82 °F
ESE 7kt
4ft
Saturday
High: 85 °F
ESE 11kt
4ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 9:48 pm EDT Oct 19, 2026
Forecast Valid: 1am EDT Oct 20, 2026-6pm EDT Oct 26, 2026

View Nearby Observations

Detailed Forecast

Tuesday

Variable winds 5 kt or less. Isolated showers before noon, then scattered showers and thunderstorms between noon and 3pm, then scattered showers after 3pm. Seas 4 to 6 ft.

Tuesday Night

Variable winds 5 kt or less. Scattered showers, mainly before 9pm. Seas around 5 ft.

Wednesday

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

Wednesday Night

ESE wind around 6 kt. Isolated showers. Seas 3 to 4 ft.

Thursday

ESE wind 7 to 12 kt. Isolated showers, then showers likely and possibly a thunderstorm after noon. Seas around 3 ft.

Thursday Night

Variable winds 5 kt or less. Isolated showers. Seas 3 to 4 ft.

Friday

ESE wind 6 to 8 kt. Showers likely after noon. Seas around 4 ft.

Friday Night

ESE wind 5 to 7 kt. Partly cloudy. Seas around 4 ft.

Saturday

ESE wind 6 to 11 kt. Showers likely. 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.