For More Weather Information:

27NM S San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 1:46 pm EDT Oct 18, 2026
Forecast Valid: 3pm EDT Oct 18, 2026-6pm EDT Oct 24, 2026

This Afternoon

ESE wind around 6 kt. Scattered showers. Seas around 1 ft.

Tonight

Variable winds 5 kt or less. Scattered showers, mainly after 9pm. Seas around 1 ft.

Monday

Variable winds less than 5 kt becoming ESE 5 to 8 kt in the morning. Scattered showers, mainly between noon and 3pm. Seas around 1 ft.

Monday Night

Variable winds 5 kt or less. Showers likely, mainly between midnight and 3am. Seas around 1 ft.

Tuesday

ENE wind around 7 kt becoming SE in the afternoon. Scattered showers. Seas 1 to 2 ft.

Tuesday Night

Variable winds 5 kt or less. Scattered showers and thunderstorms, then showers likely after midnight. Seas 1 to 2 ft.

Wednesday

SE wind 5 to 7 kt. Scattered showers before noon. Seas around 1 ft.

Wednesday Night

Variable winds 5 kt or less. Scattered showers. Seas around 1 ft.

Thursday

Variable winds 5 kt or less. Showers likely. 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.