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3NM NW San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 9:27 pm EDT Oct 27, 2026
Forecast Valid: 11pm EDT Oct 27, 2026-6pm EST Nov 3, 2026

...SMALL CRAFT SHOULD EXERCISE CAUTION...

Overnight

Variable winds 5 kt or less. Isolated showers. Seas around 6 ft.

Wednesday

E wind 6 to 15 kt. Scattered showers, mainly after noon. Seas 4 to 5 ft.

Wednesday Night

SSE wind 5 to 7 kt. Isolated showers before 9pm, then isolated showers after midnight. Seas around 4 ft.

Thursday

E wind 6 to 13 kt. Scattered showers, mainly after noon. Seas around 3 ft.

Thursday Night

SE wind around 6 kt becoming variable and less than 5 kt after midnight. Scattered showers, mainly after midnight. Seas around 3 ft.

Friday

E wind 6 to 12 kt. Scattered showers, mainly after noon. Seas around 3 ft.

Friday Night

ESE wind 5 to 7 kt. Clear. Seas around 3 ft.

Saturday

ENE wind 5 to 13 kt. Showers likely. Seas around 3 ft.

Saturday Night

E wind 6 to 8 kt. Mostly clear. 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.