San Juan Surf Break

Lat Long: 29.12° N 13.57° W

San Juan 48 hour detailed Surf Forecast

Issued: 6 pm 27 Aug 2026 (local time)

Forecast update in  hr  min

Today's San Juan sea temperature is
23.8°C
1.5° 

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 (28 Aug):

  • Morning surf: Morning surf (28 Aug, local time) - 6.5ft (2.0m), 7s period with NNE swell.
  • Afternoon surf: Afternoon surf (28 Aug, local time) - 7.5ft (2.3m), 7s period with NNE swell.
  • Evening surf: Evening surf (28 Aug, local time) - 8ft (2.4m), 8s period with N swell.

The current surf forecast for San Juan at 2AM is: 1.7m 6s primary swell from a North direction and 0.1m 13s secondary swell from a North direction (forecast issued at 06:00pm August 27). The wind direction is predicted to be onshore.

Time (WEST) & DateWave HeightWave Period
Morning (28 Aug)6.5ft (2.0m)7s
Afternoon (28 Aug)7.5ft (2.3m)7s
Evening (28 Aug)8ft (2.4m)8s

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


Short Range Forecast

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

Thu
27
Friday
28
Saturday
29
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.3
N
5
1.5
N
6
1.5
N
6
1.7
N
6
1.7
NNE
6
1.9
NNE
6
2
NNE
7
2.2
NNE
7
2.3
NNE
8
2.4
NNE
8
2.4
N
8
2.4
N
7
2.4
N
7
2.4
N
11
2.4
N
8
1.7
NNW
11
2.3
NNE
8
2.1
N
8
2.1
N
7
Wave Graph
Metric surfscale
Energy kJ
94
144
151
203
223
280
349
458
561
627
653
636
636
1329
653
631
576
518
483
Wind (km/h)
35
NNE
35
NNE
35
NNE
35
NNE
35
NNE
40
NNE
40
NNE
40
NNE
35
NNE
35
NNE
35
NNE
35
NNE
35
NNE
35
NNE
35
NNE
35
NNE
30
NNE
30
NNE
30
NNE
Wind State
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
High Tide
2:06PM2.39m
2:25AM2.24m
2:37PM2.49m
2:56AM2.31m
3:08PM2.53m
Low Tide
8:19PM0.18m
8:22AM0.21m
8:48PM0.10m
8:53AM0.15m
9:19PM0.07m
part cloud
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>
7:28
7:30
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:22
8:21
8:20
 mm
Temp °C
23
22
22
22
22
22
22
22
22
22
21
21
21
21
22
22
23
22
22
Feels °C
19
17
18
18
18
18
17
17
17
18
17
17
17
17
18
19
20
20
20
  • 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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