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27NM S San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 1:13 pm EDT Oct 31, 2026
Forecast Valid: 2pm EDT Oct 31, 2026-6pm EST Nov 6, 2026

This Afternoon

E wind around 10 kt. Scattered showers. Seas around 2 ft.

Tonight

ENE wind around 8 kt. Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Seas around 2 ft.

Sunday

E wind 8 to 11 kt. Showers likely and possibly a thunderstorm before 3pm, then scattered showers. Seas around 2 ft.

Sunday Night

ENE wind 6 to 8 kt. Scattered showers, then showers likely and possibly a thunderstorm after midnight. Seas around 2 ft.

Monday

E wind 9 to 11 kt. Scattered showers. Seas around 2 ft.

Monday Night

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

Tuesday

E wind 6 to 8 kt. Scattered showers. Seas around 2 ft.

Tuesday Night

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

Wednesday

Variable winds less than 5 kt becoming ESE around 6 kt in the morning. Scattered showers. Seas around 2 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.