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27NM S San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 1:43 pm EDT May 11, 2026
Forecast Valid: 3pm EDT May 11, 2026-6pm EDT May 17, 2026

...SMALL CRAFT SHOULD EXERCISE CAUTION...

This Afternoon

E wind around 11 kt. Isolated showers. Seas around 3 ft.

Tonight

E wind around 11 kt. Showers likely after midnight. Seas around 3 ft.

Tuesday

E wind around 11 kt. Showers likely, mainly before 9am. Seas around 3 ft.

Tuesday Night

E wind around 10 kt. Scattered showers, mainly after midnight. Seas around 3 ft.

Wednesday

ESE wind around 11 kt. Isolated showers before noon. Seas 2 to 3 ft.

Wednesday Night

E wind 7 to 9 kt. Scattered showers, mainly after midnight. Seas around 2 ft.

Thursday

ESE wind around 10 kt. Scattered showers before noon. Seas around 2 ft.

Thursday Night

E wind around 8 kt. Scattered showers. Seas 2 to 3 ft.

Friday

ESE wind around 9 kt. Mostly sunny. Seas around 3 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.