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San Juan, PR Local Forecast Office

4NM NE San Juan PR

Marine Point Forecast

[NOTICE]

This Afternoon
High: 88 °F
NNE 23kt
< 1ft
Tonight
Low: 80 °F
E 13kt
< 1ft
Saturday
High: 88 °F
E 16kt
< 1ft
Saturday Night
Low: 79 °F
E 14kt
< 1ft
Sunday
High: 87 °F
ENE 15kt
< 1ft
Sunday Night
Low: 79 °F
E 12kt
< 1ft
Monday
High: 88 °F
E 15kt
< 1ft
Monday Night
Low: 79 °F
E 12kt
< 1ft
Tuesday
High: 88 °F
E 16kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 10:01 am EDT Jul 10, 2026
Forecast Valid: 1pm EDT Jul 10, 2026-6pm EDT Jul 16, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT SHOULD EXERCISE CAUTION...

This Afternoon

NNE wind around 23 kt. Isolated showers. Widespread haze. Seas 1 ft or less.

Tonight

E wind around 13 kt, with gusts as high as 20 kt. Isolated showers after midnight. Widespread haze. Seas 1 ft or less.

Saturday

E wind 14 to 16 kt, with gusts as high as 24 kt. Isolated showers before 3pm. Widespread haze. Seas 1 ft or less.

Saturday Night

E wind 12 to 14 kt, with gusts as high as 20 kt. Isolated showers after 9pm. Widespread haze before midnight, then Widespread haze after 3am. Seas 1 ft or less.

Sunday

ENE wind around 15 kt, with gusts as high as 22 kt. Isolated showers. Widespread haze. Seas 1 ft or less.

Sunday Night

E wind 10 to 12 kt. Scattered showers. Seas 1 ft or less.

Monday

E wind 12 to 15 kt, with gusts as high as 22 kt. Scattered showers. Seas 1 ft or less.

Monday Night

E wind 9 to 12 kt. Partly cloudy. Seas 1 ft or less.

Tuesday

E wind 13 to 16 kt, with gusts as high as 24 kt. Mostly sunny. Seas 1 ft or less.

*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.