San Juan Surf Break

Lat Long: 29.12° N 13.57° W

San Juan 48 hour detailed Surf Forecast

Issued: 12 am 29 Aug 2026 (local time)

Forecast update in  hr  min

Today's San Juan sea temperature is
24.3°C
2.0° 

San Juan surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at San Juan today (29 Aug):

  • Morning surf: Morning surf (29 Aug, local time) - 5.5ft (1.7m), 11s period with NNW swell.
  • Afternoon surf: Afternoon surf (29 Aug, local time) - 5.5ft (1.7m), 11s period with NNW swell.
  • Evening surf: Evening surf (29 Aug, local time) - 6.5ft (2.0m), 7s period with N swell.

The current surf forecast for San Juan at 3AM is: 1.7m 11s primary swell from a North-northwest direction and 1.6m 7s secondary swell from a Northeast direction (forecast issued at 12:00am August 29). The wind direction is predicted to be onshore.

Time (WEST) & DateWave HeightWave Period
Morning (29 Aug)5.5ft (1.7m)11s
Afternoon (29 Aug)5.5ft (1.7m)11s
Evening (29 Aug)6.5ft (2.0m)7s

Table - waves today at San Juan. (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Warm (max 23°C on Sun morning, min 21°C on Fri night). Mainly fresh winds.

Saturday
29
Sunday
30
Monday
31
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.3
N
7
1.7
NNW
11
1.7
NNW
11
1.7
NNW
11
1.7
NNW
11
1.6
NNW
11
2.1
N
8
2
N
7
2
N
10
1.9
N
10
1.9
N
7
1.8
N
7
1.8
N
7
1.7
N
7
1.7
N
7
1.7
NNE
7
1.6
NNE
7
1.6
NNE
7
1.8
N
7
1.9
N
7
1.9
NNE
7
1.9
N
8
1.9
N
8
1.9
N
7
Wave Graph
Metric surfscale
Energy kJ
547
668
668
668
631
551
504
447
786
697
345
320
338
311
311
319
261
261
320
366
405
419
419
397
Wind (km/h)
35
NNE
35
NNE
35
NNE
35
NNE
35
NNE
30
NNE
30
NNE
30
NNE
30
NNE
30
NNE
30
NNE
30
NNE
30
NNE
30
NNE
30
N
25
NNE
25
NNE
25
N
30
NNE
30
NNE
30
N
35
N
35
N
30
N
Wind State
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
High Tide
2:56AM2.31m
3:08PM2.53m
3:27AM2.35m
3:40PM2.51m
4:00AM2.34m
4:14PM2.44m
Low Tide
8:53AM0.15m
9:19PM0.07m
9:25AM0.14m
9:50PM0.08m
9:59AM0.16m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:30
7:30
7:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:20
8:19
8:16
 mm
Temp °C
21
21
21
22
22
22
22
22
22
22
22
22
23
23
23
22
22
22
22
23
23
23
23
22
Feels °C
17
17
18
18
19
19
19
20
20
19
20
19
21
21
21
21
21
21
21
22
21
21
21
21
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
How to use the Wavefinder 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our San Juan surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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