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San Juan, PR Local Forecast Office

4NM NE San Juan PR

Marine Point Forecast

[NOTICE]

Today
High: 84 °F
ENE 12kt
< 1ft
Tonight
Low: 79 °F
E 8kt
< 1ft
Sunday
High: 86 °F
E 12kt
< 1ft
Sunday Night
Low: 78 °F
E 8kt
< 1ft
Monday
High: 86 °F
E 14kt
< 1ft
Monday Night
Low: 78 °F
ESE 8kt
< 1ft
Tuesday
High: 89 °F
E 11kt
< 1ft
Tuesday Night
Low: 79 °F
Light Wind
< 1ft
Wednesday
High: 89 °F
⇑E 7kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:56 am EDT Oct 31, 2026
Forecast Valid: 7am EDT Oct 31, 2026-6pm EST Nov 6, 2026

View Nearby Observations

Detailed Forecast

Today

ENE wind 5 to 12 kt. Scattered showers. Seas 1 ft or less.

Tonight

E wind around 8 kt. Scattered showers and thunderstorms before 9pm, then isolated showers between 9pm and midnight, then showers likely and possibly a thunderstorm after midnight. Seas 1 ft or less.

Sunday

E wind 8 to 12 kt. Scattered showers and thunderstorms. Seas 1 ft or less.

Sunday Night

E wind around 8 kt. Showers likely and possibly a thunderstorm. Seas 1 ft or less.

Monday

E wind 12 to 14 kt. Scattered showers and thunderstorms. Seas 1 ft or less.

Monday Night

ESE wind around 8 kt. Scattered showers. Seas 1 ft or less.

Tuesday

E wind 8 to 11 kt. Scattered showers after noon. Seas 1 ft or less.

Tuesday Night

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

Wednesday

Variable winds less than 5 kt becoming E 5 to 7 kt in the morning. Showers likely. 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.