For More Weather Information:

San Juan, PR Local Forecast Office

3NM NW San Juan PR

Marine Point Forecast

[NOTICE]

Monday
High: 85 °F
⇑ENE 10kt
2ft
Monday Night
Low: 82 °F
SE 7kt⇓
3ft
Tuesday
High: 85 °F
⇑E 9kt
4-5ft
Tuesday Night
Low: 82 °F
Light Wind
4-5ft
Wednesday
High: 85 °F
⇑E 9kt
4ft
Wednesday Night
Low: 82 °F
SE 6kt⇓
3-4ft
Thursday
High: 85 °F
ESE 7kt
3ft
Thursday Night
Low: 82 °F
Light Wind
4ft
Friday
High: 85 °F
E 9kt
4ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:46 am EDT Oct 19, 2026
Forecast Valid: 4am EDT Oct 19, 2026-6pm EDT Oct 25, 2026

View Nearby Observations

Detailed Forecast

Monday

Variable winds less than 5 kt becoming ENE 5 to 10 kt in the morning. Isolated showers before 9am, then scattered showers after noon. Seas around 2 ft.

Monday Night

SE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Scattered showers, mainly before 3am. Seas around 3 ft.

Tuesday

Variable winds less than 5 kt becoming E 5 to 9 kt in the morning. Isolated showers before noon, then scattered showers and thunderstorms between noon and 3pm, then scattered showers after 3pm. Seas 4 to 5 ft.

Tuesday Night

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

Wednesday

Variable winds less than 5 kt becoming E 5 to 9 kt in the morning. Isolated showers. Seas around 4 ft.

Wednesday Night

SE wind around 6 kt becoming variable and less than 5 kt in the evening. Isolated showers. Seas 3 to 4 ft.

Thursday

ESE wind 5 to 7 kt. Showers likely after noon. Seas around 3 ft.

Thursday Night

Variable winds 5 kt or less. Partly cloudy. Seas around 4 ft.

Friday

E wind 6 to 9 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.