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San Juan, PR Local Forecast Office

14NM SSW Mayaguez PR

Marine Point Forecast

[NOTICE]

Today
High: 88 °F
ESE 11kt
1ft
Tonight
Low: 78 °F
E 9kt
1ft
Sunday
High: 87 °F
SE 14kt
1ft
Sunday Night
Low: 78 °F
E 11kt
1ft
Monday
High: 88 °F
SE 16kt
1ft
Monday Night
Low: 78 °F
E 11kt
1ft
Tuesday
High: 88 °F
SE 13kt
1-2ft
Tuesday Night
Low: 78 °F
E 10kt
1-2ft
Wednesday
High: 88 °F
SE 15kt
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:49 am EDT Sep 19, 2026
Forecast Valid: 6am EDT Sep 19, 2026-6pm EDT Sep 25, 2026

View Nearby Observations

Detailed Forecast

Today

ESE wind 8 to 11 kt. Isolated showers after noon. Seas around 1 ft.

Tonight

E wind 7 to 9 kt. Scattered showers before 9pm, then scattered showers and thunderstorms between 9pm and midnight, then isolated showers after midnight. Seas around 1 ft.

Sunday

SE wind 12 to 14 kt. Isolated showers before 9am, then scattered showers after noon. Seas around 1 ft.

Sunday Night

E wind around 11 kt. Isolated showers before midnight. Seas around 1 ft.

Monday

SE wind 11 to 16 kt, with gusts as high as 22 kt. Isolated showers. Seas around 1 ft.

Monday Night

E wind around 11 kt. Isolated showers before midnight. Seas around 1 ft.

Tuesday

SE wind 11 to 13 kt. Sunny. Seas 1 to 2 ft.

Tuesday Night

E wind 7 to 10 kt. Clear. Seas 1 to 2 ft.

Wednesday

E wind 6 to 15 kt becoming SE in the afternoon. Winds could gust as high as 21 kt. Sunny. 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.