San Juan Surf Break

Lat Long: 29.12° N 13.57° W

San Juan 48 hour detailed Surf Forecast

Issued: 12 am 30 Aug 2026 (local time)

Forecast update in  hr  min

Today's San Juan sea temperature is
24.3°C
1.9° 

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 (30 Aug):

  • Morning surf: Morning surf (30 Aug, local time) - 6ft (1.8m), 9s period with N swell.
  • Afternoon surf: Afternoon surf (30 Aug, local time) - 5.5ft (1.7m), 9s period with N swell.
  • Evening surf: Evening surf (30 Aug, local time) - 5ft (1.6m), 8s period with N swell.

The current surf forecast for San Juan at 3AM is: 1.9m 10s primary swell from a North direction and 0.8m 10s secondary swell from a North-northwest direction (forecast issued at 12:00am August 30). The wind direction is predicted to be onshore.

Time (WEST) & DateWave HeightWave Period
Morning (30 Aug)6ft (1.8m)9s
Afternoon (30 Aug)5.5ft (1.7m)9s
Evening (30 Aug)5ft (1.6m)8s

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


Short Range Forecast

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

Sunday
30
Monday
31
Tuesday
1
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)
1.9
N
10
1.9
N
10
1.8
N
10
1.8
N
9
1.7
N
9
1.6
N
9
1.6
N
9
1.6
N
7
1.5
N
7
1.5
N
7
1.6
N
7
1.7
N
7
1.8
N
7
1.8
N
7
1.8
N
7
1.8
N
7
1.6
NNE
7
1.7
NNE
7
1.8
NNE
7
1.8
NNE
7
2
NNE
8
2
NNE
8
2.1
NNE
8
2.1
NNE
8
Wave Graph
Metric surfscale
Energy kJ
711
697
605
541
473
412
402
262
218
212
240
270
320
348
358
348
233
301
336
355
426
449
507
547
Wind (km/h)
30
NNE
30
NNE
30
NNE
30
NNE
25
NNE
30
NNE
30
NNE
25
NNE
25
NNE
25
N
30
NNE
30
NNE
25
NNE
30
N
30
N
30
NNE
30
NNE
30
NNE
25
NNE
30
NNE
35
NNE
30
NNE
30
N
35
NNE
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
3:27AM2.35m
3:40PM2.51m
4:00AM2.34m
4:14PM2.44m
4:35AM2.28m
4:51PM2.31m
Low Tide
9:25AM0.14m
9:50PM0.08m
9:59AM0.16m
10:23PM0.14m
10:36AM0.24m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
part cloud
cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:30
7:31
7:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:19
8:16
8:15
 mm
Temp °C
21
21
21
22
22
23
22
22
21
21
21
22
23
23
23
22
22
22
22
22
23
23
23
22
Feels °C
19
19
19
20
20
21
20
21
20
20
19
20
22
21
21
21
21
21
21
20
20
21
22
19
  • 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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