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San Juan, PR Local Forecast Office

27NM S San Juan PR

Marine Point Forecast

[NOTICE]

Monday
High: 83 °F
⇑SSE 6kt
1ft
Monday Night
Low: 80 °F
Light Wind
1-2ft
Tuesday
High: 83 °F
⇑ESE 6kt
2ft
Tuesday Night
Low: 80 °F
Light Wind
2ft
Wednesday
High: 83 °F
E 8kt
2ft
Wednesday Night
Low: 80 °F
Light Wind
2ft
Thursday
High: 83 °F
ESE 6kt
2ft
Thursday Night
Low: 80 °F
Light Wind
2ft
Friday
High: 83 °F
ESE 8kt
2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:58 am EDT Apr 27, 2026
Forecast Valid: 4am EDT Apr 27, 2026-6pm EDT May 3, 2026

View Nearby Observations

Detailed Forecast

Monday

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

Monday Night

Variable winds 5 kt or less. Showers likely and possibly a thunderstorm. Seas 1 to 2 ft.

Tuesday

Variable winds less than 5 kt becoming ESE around 6 kt in the morning. Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 9am. Seas around 2 ft.

Tuesday Night

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

Wednesday

E wind 5 to 8 kt. Scattered showers, with thunderstorms also possible after noon. Seas around 2 ft.

Wednesday Night

Variable winds 5 kt or less. Scattered showers. Seas around 2 ft.

Thursday

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

Thursday Night

Variable winds 5 kt or less. Scattered showers. Seas around 2 ft.

Friday

ESE wind around 8 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.