San Juan Surf Break

Lat Long: 29.12° N 13.57° W

San Juan 48 hour detailed Surf Forecast

Issued: 12 pm 09 Jul 2026 (local time)

Forecast update in  hr  min

Today's San Juan sea temperature is
22.3° C
1.1° 

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 (09 Jul):

  • Morning surf: Morning surf (09 Jul, local time) - 3.5ft (1.0m), 5s period with N swell.
  • Afternoon surf: Afternoon surf (09 Jul, local time) - 3.5ft (1.0m), 5s period with N swell.
  • Evening surf: Evening surf (09 Jul, local time) - 3.5ft (1.1m), 5s period with N swell.

The current surf forecast for San Juan at 3PM is: 1.0m 5s primary swell from a North direction and 0.3m 10s secondary swell from a Northwest direction, 0.1m 7s secondary swell from a Northwest direction (forecast issued at 12:00pm July 09). The wind direction is predicted to be onshore.

Time (WEST) & DateWave HeightWave Period
Morning (09 Jul)3.5ft (1.0m)5s
Afternoon (09 Jul)3.5ft (1.0m)5s
Evening (09 Jul)3.5ft (1.1m)5s

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


Short Range Forecast

Mostly dry. Warm (max 23°C on Sat morning, min 19°C on Thu night). Wind will be generally light.

Thu
9
Friday
10
Saturday
11
Sun
12
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
4 AM
7 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
Wave
Height (m)
Direction
Period (s)
1
N
5
1
N
5
1
N
5
1
N
5
1.1
N
5
1
N
5
1
N
5
0.9
NNE
5
0.9
NNE
5
0.9
NNE
5
0.8
NNE
5
0.8
N
5
0.9
N
5
0.7
NNE
5
0.6
NW
5
0.6
NNE
5
0.5
N
5
0.5
N
5
0.2
NNW
13
0.7
N
4
0.7
N
5
0.4
NW
12
0.4
NW
11
0.9
NNW
8
Wave Graph
Metric surfscale
Energy kJ
50
54
56
56
67
58
59
49
47
40
32
33
43
22
17
20
13
13
16
19
23
36
33
98
Wind (km/h)
20
N
25
N
25
N
25
N
25
N
25
N
25
N
25
N
25
N
25
N
20
N
25
NNW
20
N
20
N
15
N
10
N
15
NNW
15
NNW
15
NW
20
N
25
N
20
N
15
N
20
N
Wind State
on
on
on
cross-on
on
on
on
on
on
on
cross-on
cross-on
cross-on
on
on
on
cross-on
cross-on
cross-on
cross-on
on
on
on
cross-on
High Tide
9:18AM1.88m
9:45PM1.94m
10:30AM1.96m
11:01PM1.99m
11:38AM2.09m
00:10AM2.09m
Low Tide
3:25PM0.67m
4:05AM0.55m
4:43PM0.58m
5:15AM0.48m
5:53PM0.42m
6:18AM0.37m
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
cloud
part cloud
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
7:01
7:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:55
8:55
8:55
8:55
 mm
Temp °C
20
21
21
20
20
19
19
20
21
21
21
21
21
21
21
21
22
23
23
23
21
21
20
20
Feels °C
19
20
19
18
19
17
17
18
18
19
19
19
20
21
21
22
23
24
24
24
20
20
19
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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