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San Juan, PR Local Forecast Office

27NM S San Juan PR

Marine Point Forecast

[NOTICE]

Saturday
High: 81 °F
SSE 10kt
3ft
Saturday Night
Low: 75 °F
Light Wind
2ft
Sunday
High: 80 °F
Light Wind
2ft
Sunday Night
Low: 73 °F
NNE 6kt
2ft
Monday
High: 80 °F
NE 9kt
2ft
Monday Night
Low: 74 °F
NNE 7kt
2ft
Tuesday
High: 80 °F
ENE 9kt
1-2ft
Tuesday Night
Low: 73 °F
NE 7kt
1ft
Wednesday
High: 80 °F
E 10kt
2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 5:46 pm EDT Mar 20, 2026
Forecast Valid: 4am EDT Mar 21, 2026-6pm EDT Mar 27, 2026

View Nearby Observations

Detailed Forecast

Saturday

SSE wind 6 to 10 kt. Scattered showers before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then scattered showers after 3pm. Seas around 3 ft.

Saturday Night

Variable winds 5 kt or less. Scattered showers before 9pm, then showers likely and possibly a thunderstorm between 9pm and midnight, then scattered showers after midnight. Seas around 2 ft.

Sunday

Variable winds 5 kt or less. Isolated showers, then showers likely and possibly a thunderstorm after noon. Seas around 2 ft.

Sunday Night

NNE wind around 6 kt. Scattered showers. Seas around 2 ft.

Monday

NE wind 6 to 9 kt. Scattered showers. Seas around 2 ft.

Monday Night

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

Tuesday

ENE wind 6 to 9 kt. Showers likely, mainly before noon. Seas 1 to 2 ft.

Tuesday Night

NE wind around 7 kt. Scattered showers. Seas around 1 ft.

Wednesday

E wind 7 to 10 kt. Scattered showers. Seas around 2 ft.

Winds and seas higher in and near thunderstorms.

*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.