San Juan Surf Break

Lat Long: 29.12° N 13.57° W

San Juan 48 hour detailed Surf Forecast

Issued: 6 am 10 Jul 2026 (local time)

Forecast update in  hr  min

Today's San Juan sea temperature is
21.9° C
0.7° 

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 (10 Jul):

  • Morning surf: Morning surf (10 Jul, local time) - 3ft (0.9m), 5s period with NNE swell.
  • Afternoon surf: Afternoon surf (10 Jul, local time) - 2.5ft (0.8m), 5s period with N swell.
  • Evening surf: Evening surf (10 Jul, local time) - 2.5ft (0.8m), 5s period with N swell.

The current surf forecast for San Juan at 10AM is: 0.8m 5s primary swell from a North-northeast direction and 0.4m 9s secondary swell from a Northwest direction, 0.3m 5s secondary swell from a West-northwest direction (forecast issued at 06:00am July 10). The wind direction is predicted to be cross-onshore.

Time (WEST) & DateWave HeightWave Period
Morning (10 Jul)3ft (0.9m)5s
Afternoon (10 Jul)2.5ft (0.8m)5s
Evening (10 Jul)2.5ft (0.8m)5s

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


Short Range Forecast

Mostly dry. Warm (max 23°C on Sat afternoon, min 20°C on Fri morning). Wind will be generally light.

Friday
10
Saturday
11
Sunday
12
Mon
13
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
1 AM
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
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
NNE
6
0.9
NNE
5
0.8
NNE
5
0.8
NNE
5
0.8
N
5
0.8
N
5
0.8
N
5
0.5
NW
6
0.8
N
5
0.3
NW
9
0.3
NW
8
0.3
NW
8
0.2
NNW
13
0.5
N
5
0.6
N
5
0.4
NW
12
0.4
NW
11
0.4
NW
11
1.1
NNW
11
0.9
NNW
10
0.9
NNW
10
1
NNW
10
1.1
NW
9
1
NW
9
Wave Graph
Metric surfscale
Energy kJ
50
49
39
33
36
34
37
21
34
14
11
11
16
15
16
35
31
35
275
175
164
188
178
148
Wind (km/h)
25
N
25
N
25
N
20
N
20
N
20
NNW
20
NNW
15
N
15
N
15
N
10
N
10
NNW
15
NW
20
N
20
N
20
NNE
20
NNE
20
N
20
NNE
20
NNE
20
N
20
N
20
N
15
NNE
Wind State
on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
cross-on
on
on
High Tide
10:30AM1.96m
11:01PM1.99m
11:38AM2.09m
00:10AM2.09m
12:38PM2.25m
Low Tide
4:05AM0.55m
4:43PM0.58m
5:15AM0.48m
5:53PM0.42m
6:18AM0.37m
6:55PM0.25m
clear
part cloud
part cloud
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>
7:01
7:01
7:03
7:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:55
8:55
8:55
8:54
 mm
Temp °C
20
20
20
21
22
22
21
21
21
20
21
22
23
23
22
21
20
20
21
21
21
21
20
20
Feels °C
18
18
18
19
20
20
20
21
22
21
22
23
24
23
22
21
19
19
20
20
19
19
19
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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