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San Juan, PR Local Forecast Office

27NM S San Juan PR

Marine Point Forecast

[NOTICE]

Today
High: 84 °F
SE 6kt⇓
2ft
Tonight
Low: 82 °F
Light Wind
2ft
Thursday
High: 84 °F
⇑SSW 8kt
1-2ft
Thursday Night
Low: 82 °F
Light Wind
1ft
Friday
High: 84 °F
⇑SW 11kt
1ft
Friday Night
Low: 82 °F
W 6kt
2ft
Saturday
High: 84 °F
WSW 9kt
1-2ft
Saturday Night
Low: 82 °F
Light Wind
1ft
Sunday
High: 84 °F
WSW 7kt
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 7:58 am EST Nov 4, 2026
Forecast Valid: 8am EST Nov 4, 2026-6pm EST Nov 10, 2026

View Nearby Observations

Detailed Forecast

Today

SE wind around 6 kt becoming variable and less than 5 kt in the afternoon. Scattered showers, then showers likely and possibly a thunderstorm after 2pm. Seas around 2 ft.

Tonight

Variable winds 5 kt or less. Scattered showers and thunderstorms before 11pm, then isolated showers after 2am. Seas around 2 ft.

Thursday

Variable winds less than 5 kt becoming SSW 5 to 8 kt in the morning. Scattered showers, with thunderstorms also possible after 2pm. Seas 1 to 2 ft.

Thursday Night

Variable winds 5 kt or less. Scattered showers, mainly after 2am. Seas around 1 ft.

Friday

Variable winds less than 5 kt becoming SW 6 to 11 kt in the morning. Scattered showers, with thunderstorms also possible after 11am. Seas around 1 ft.

Friday Night

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

Saturday

WSW wind 5 to 9 kt. Scattered showers. Seas 1 to 2 ft.

Saturday Night

Variable winds 5 kt or less. Scattered showers. Seas around 1 ft.

Sunday

W wind 5 to 7 kt becoming SW in the afternoon. Scattered showers. Seas around 1 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.