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27NM S San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 1:04 pm EDT Oct 19, 2026
Forecast Valid: 3pm EDT Oct 19, 2026-6pm EDT Oct 25, 2026

This Afternoon

ESE wind around 7 kt. Isolated showers. Seas around 1 ft.

Tonight

Variable winds 5 kt or less. Scattered showers, mainly after 3am. Seas around 1 ft.

Tuesday

E wind around 6 kt becoming SE in the afternoon. Scattered showers, mainly before noon. Seas 1 to 2 ft.

Tuesday Night

Variable winds 5 kt or less. Scattered showers after 9pm. Seas around 2 ft.

Wednesday

Variable winds less than 5 kt becoming ESE 5 to 7 kt in the morning. Scattered showers, mainly before noon. Seas 1 to 2 ft.

Wednesday Night

Variable winds 5 kt or less. Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Seas around 1 ft.

Thursday

Variable winds 5 kt or less. Showers likely, mainly before noon. Seas around 2 ft.

Thursday Night

Variable winds 5 kt or less. Showers likely. Seas around 2 ft.

Friday

ESE wind around 7 kt. Scattered showers. Seas around 2 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.