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27NM S San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:07 am EDT Mar 20, 2026
Forecast Valid: 3pm EDT Mar 20, 2026-6pm EDT Mar 26, 2026

This Afternoon

SSE wind around 7 kt. Scattered showers. Seas around 3 ft.

Tonight

SE wind around 6 kt. Scattered showers, mainly between 9pm and 3am. Seas around 2 ft.

Saturday

SSE wind around 7 kt. Scattered showers. Seas around 2 ft.

Saturday Night

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

Sunday

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

Sunday Night

Variable winds 5 kt or less. Scattered showers. Seas 1 to 2 ft.

Monday

ENE wind 7 to 9 kt. Scattered showers. Seas around 1 ft.

Monday Night

NNE wind around 7 kt. Scattered showers. Seas around 1 ft.

Tuesday

ENE wind 6 to 10 kt. Showers likely. 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.