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4NM NE San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 1:59 pm EDT Oct 28, 2026
Forecast Valid: 2pm EDT Oct 28, 2026-6pm EST Nov 3, 2026

...SMALL CRAFT SHOULD EXERCISE CAUTION...

This Afternoon

E wind around 14 kt. Scattered showers. Seas 1 ft or less.

Tonight

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

Thursday

SE wind 7 to 12 kt becoming E in the morning. Isolated showers. Seas 1 ft or less.

Thursday Night

ESE wind around 7 kt. Scattered showers. Seas 1 ft or less.

Friday

E wind 7 to 12 kt. Scattered showers, mainly after noon. Seas 1 ft or less.

Friday Night

ESE wind around 7 kt. Scattered showers. Seas 1 ft or less.

Saturday

E wind 6 to 11 kt. Showers likely after noon. Seas 1 ft or less.

Saturday Night

E wind around 8 kt. Partly cloudy. Seas 1 ft or less.

Sunday

E wind 5 to 10 kt. Scattered showers. Seas 1 ft or less.

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.