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San Juan, PR Local Forecast Office

15NM SSE Mayaguez PR

Marine Point Forecast

[NOTICE]

This Afternoon
High: 83 °F
E 12kt
2ft
Tonight
Low: 82 °F
Light Wind
1-2ft
Thursday
High: 83 °F
⇑S 7kt
2ft
Thursday Night
Low: 82 °F
Light Wind
1ft
Friday
High: 83 °F
SSE 8kt⇓
1ft
Friday Night
Low: 82 °F
⇑NE 7kt
1ft
Saturday
High: 83 °F
⇑SSE 9kt
1ft
Saturday Night
Low: 82 °F
Light Wind
1ft
Sunday
High: 83 °F
⇑SE 9kt
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 9:50 am EST Nov 19, 2025
Forecast Valid: 1pm EST Nov 19, 2025-6pm EST Nov 25, 2025

View Nearby Observations

Detailed Forecast

This Afternoon

E wind 7 to 12 kt. Scattered showers before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then scattered showers and thunderstorms after 5pm. Seas around 2 ft.

Tonight

Variable winds 5 kt or less. Scattered showers, mainly before 11pm. Seas 1 to 2 ft.

Thursday

Variable winds less than 5 kt becoming S 5 to 7 kt. Showers and possibly a thunderstorm, mainly after 2pm. Seas around 2 ft.

Thursday Night

Variable winds 5 kt or less. Isolated showers before 11pm. Seas around 1 ft.

Friday

SSE wind 5 to 8 kt becoming variable and less than 5 kt in the afternoon. Scattered showers after 11am. Seas around 1 ft.

Friday Night

Variable winds less than 5 kt becoming NE 5 to 7 kt. Mostly clear. Seas around 1 ft.

Saturday

Variable winds less than 5 kt becoming SSE 5 to 9 kt in the morning. Sunny. Seas around 1 ft.

Saturday Night

Variable winds 5 kt or less. Clear. Seas around 1 ft.

Sunday

Variable winds less than 5 kt becoming SE 5 to 9 kt in the morning. Scattered showers. Seas around 1 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.