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San Juan, PR Local Forecast Office

27NM S San Juan PR

Marine Point Forecast

[NOTICE]

Today
High: 86 °F
ESE 9kt
1ft
Tonight
Low: 83 °F
E 7kt
2ft
Tuesday
High: 86 °F
E 9kt
2ft
Tuesday Night
Low: 83 °F
ENE 8kt
2ft
Wednesday
High: 86 °F
ESE 9kt
2ft
Wednesday Night
Low: 83 °F
E 7kt
2ft
Thursday
High: 86 °F
E 9kt
1-2ft
Thursday Night
Low: 83 °F
ENE 7kt
2ft
Friday
High: 86 °F
E 12kt
2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:25 am EDT Oct 5, 2026
Forecast Valid: 11am EDT Oct 5, 2026-6pm EDT Oct 11, 2026

View Nearby Observations

Detailed Forecast

Today

ESE wind around 9 kt. Scattered showers, mainly before 3pm. Seas around 1 ft.

Tonight

E wind around 7 kt. Scattered showers before 9pm, then scattered showers and thunderstorms between 9pm and midnight, then scattered showers after midnight. Seas around 2 ft.

Tuesday

E wind 7 to 9 kt. Scattered showers, mainly after 9am. Seas around 2 ft.

Tuesday Night

ENE wind around 8 kt. Scattered showers, mainly before midnight. Seas around 2 ft.

Wednesday

ESE wind 7 to 9 kt. Scattered showers and thunderstorms. Seas around 2 ft.

Wednesday Night

E wind 5 to 7 kt. Scattered showers and thunderstorms before midnight, then isolated showers. Seas around 2 ft.

Thursday

E wind around 9 kt. Showers likely, mainly before noon. Seas 1 to 2 ft.

Thursday Night

ENE wind around 7 kt. Scattered showers. Seas around 2 ft.

Friday

E wind 8 to 12 kt. Mostly sunny. Seas around 2 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.