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3NM NW San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 4:32 am EST Nov 5, 2026
Forecast Valid: 8am EST Nov 5, 2026-6pm EST Nov 11, 2026

Today

Variable winds 5 kt or less. Isolated showers, then showers and possibly a thunderstorm after 11am. Seas around 2 ft.

Tonight

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

Friday

Variable winds 5 kt or less. Scattered showers, then showers likely and possibly a thunderstorm after 11am. Seas 2 to 3 ft.

Friday Night

Variable winds 5 kt or less. Isolated showers. Seas around 3 ft.

Saturday

Variable winds 5 kt or less. Scattered showers, then showers likely and possibly a thunderstorm after 11am. Seas around 4 ft.

Saturday Night

Variable winds 5 kt or less. Isolated showers. Seas around 4 ft.

Sunday

Variable winds 5 kt or less. Showers likely after 11am. Seas around 4 ft.

Sunday Night

Variable winds 5 kt or less. Mostly clear. Seas around 5 ft.

Monday

Variable winds 5 kt or less. Showers likely. Seas around 4 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.