San Juan Surf Break

Lat Long: 29.12° N 13.57° W

San Juan 48 hour detailed Surf Forecast

Issued: 12 am 19 Sep 2026 (local time)

Forecast update in  hr  min

Today's San Juan sea temperature is
24.2°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 (19 Sep):

  • Morning surf: Morning surf (19 Sep, local time) - 6ft (1.9m), 9s period with N swell.
  • Afternoon surf: Afternoon surf (19 Sep, local time) - 6ft (1.8m), 9s period with N swell.
  • Evening surf: Evening surf (19 Sep, local time) - 5ft (1.6m), 9s period with N swell.

The current surf forecast for San Juan at 8AM is: 2.0m 9s primary swell from a North direction and 0.2m 15s secondary swell from a North-northwest direction (forecast issued at 12:00am September 19). The wind direction is predicted to be onshore.

Time (WEST) & DateWave HeightWave Period
Morning (19 Sep)6ft (1.9m)9s
Afternoon (19 Sep)6ft (1.8m)9s
Evening (19 Sep)5ft (1.6m)9s

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


Short Range Forecast

Mostly dry. Warm (max 24°C on Mon afternoon, min 21°C on Sun night). Wind will be generally light.

Saturday
19
Sunday
20
Monday
21
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
1
0
0
0
1
1
1
0
0
1
2
1
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
N
9
2
N
10
2
N
9
1.9
N
9
1.9
N
9
1.8
N
9
1.7
N
9
1.6
N
9
1.5
N
8
1.5
N
8
0.7
NNW
15
0.7
NNW
14
0.7
NNW
14
0.7
NNW
14
0.7
NNW
13
0.7
NNW
13
0.7
NNW
13
0.7
NNW
12
0.8
NNW
12
0.9
NNW
12
0.9
NNW
12
1
N
11
1
N
11
1
N
11
Wave Graph
Metric surfscale
Energy kJ
695
725
680
588
588
505
440
381
320
319
234
215
207
189
184
178
173
160
195
203
199
256
242
238
Wind (km/h)
25
NNE
25
NNE
25
NNE
25
NNE
20
NNE
20
NNE
20
N
15
NNE
20
NNE
15
NNE
15
NNE
10
NNE
10
NE
10
NE
10
N
10
NNW
10
N
10
NNE
10
NE
5
NE
5
NNE
15
N
20
N
20
N
Wind State
on
on
on
on
on
on
on
on
on
on
on
on
on
cross-on
cross-on
cross-on
on
on
on
glassy
on
on
cross-on
on
High Tide
7:45AM1.61m
8:54PM1.45m
9:39AM1.60m
10:39PM1.53m
11:01AM1.74m
Low Tide
1:01AM0.94m
2:21PM0.96m
2:52AM1.02m
4:23PM0.92m
4:38AM0.93m
5:29PM0.77m
part cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:39
7:41
7:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:54
7:53
7:52
 mm
Temp °C
22
22
22
22
23
23
23
22
22
22
22
22
23
23
23
22
22
21
21
22
23
23
24
22
Feels °C
20
20
20
20
21
21
22
22
22
23
22
23
24
25
25
24
24
22
23
25
25
24
24
22
  • 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.


Nearest locationNearest