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27NM S San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 3:14 am EDT Apr 12, 2026
Forecast Valid: 6am EDT Apr 12, 2026-6pm EDT Apr 18, 2026

Today

ENE wind 6 to 8 kt becoming ESE in the morning. Scattered showers. Seas around 2 ft.

Tonight

ENE wind around 6 kt. Scattered showers, then showers likely and possibly a thunderstorm after midnight. Seas around 2 ft.

Monday

E wind 6 to 8 kt. Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 9am. Seas around 2 ft.

Monday Night

NE wind 6 to 9 kt. Showers likely and possibly a thunderstorm. Seas 2 to 3 ft.

Tuesday

NE wind 7 to 10 kt becoming E in the afternoon. Showers and possibly a thunderstorm. Seas around 3 ft.

Tuesday Night

ENE wind 5 to 7 kt. Showers and possibly a thunderstorm. Seas around 3 ft.

Wednesday

E wind 8 to 11 kt. Scattered showers. Seas around 4 ft.

Wednesday Night

ENE wind 7 to 9 kt. Scattered showers. Seas around 3 ft.

Thursday

E wind 8 to 10 kt. Showers likely. 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.