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4NM NW San Juan PR

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 12:21 am EST Nov 11, 2026
Forecast Valid: 1am EST Nov 11, 2026-6pm EST Nov 17, 2026

Veterans Day

Variable winds less than 5 kt becoming E 7 to 12 kt in the morning. Isolated showers after 8am. Seas 3 to 4 ft.

Wednesday Night

SE wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Isolated showers before 8pm, then isolated showers after 2am. Seas 3 to 4 ft.

Thursday

ESE wind 5 to 13 kt. Scattered showers, mainly after 11am. Seas around 3 ft.

Thursday Night

SE wind around 7 kt. Isolated showers before 11pm. Seas around 3 ft.

Friday

SE wind 7 to 14 kt, with gusts as high as 20 kt. Isolated showers, then showers likely and possibly a thunderstorm after 11am. Seas around 3 ft.

Friday Night

SSE wind 8 to 10 kt. Mostly clear. Seas around 3 ft.

Saturday

SSE wind 9 to 12 kt. Scattered showers after 11am. Seas around 3 ft.

Saturday Night

SSE wind around 6 kt becoming variable and less than 5 kt. Partly cloudy. Seas 2 to 3 ft.

Sunday

ESE wind 7 to 11 kt. Scattered showers. 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.