San Juan Surf Break

Lat Long: 29.12° N 13.57° W

San Juan 48 hour detailed Surf Forecast

Issued: 6 pm 15 Sep 2026 (local time)

Forecast update in  hr  min

Today's San Juan sea temperature is
23.4°C
0.6° 

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 (15 Sep):

  • Afternoon surf: Afternoon surf (15 Sep, local time) - 3ft (0.9m), 7s period with NNE swell.
  • Evening surf: Evening surf (15 Sep, local time) - 1.5ft (0.5m), 10s period with NNW swell.

The current surf forecast for San Juan at 9PM is: 0.5m 10s primary swell from a North-northwest direction and 0.4m 8s secondary swell from a Northeast direction, 0.8m 4s secondary swell from a North-northeast direction (forecast issued at 06:00pm September 15). The wind direction is predicted to be onshore.

Time (WEST) & DateWave HeightWave Period
Morning (15 Sep)--
Afternoon (15 Sep)3ft (0.9m)7s
Evening (15 Sep)1.5ft (0.5m)10s

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


Short Range Forecast

Mostly dry. Warm (max 28°C on Tue afternoon, min 21°C on Wed night). Mainly strong winds.

Tue
15
Wednesday
16
Thursday
17
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)
0.9
NNE
7
0.5
NNW
10
0.5
NNW
10
0.9
NNE
5
0.9
NNE
5
0.9
NNE
6
1.1
NE
6
1.3
NE
7
1.5
NE
7
1.7
NNE
7
1.9
NNE
7
2
NNE
7
2.1
NNE
7
2.2
NNE
8
2.2
NNE
8
2.1
NNE
8
2.1
NNE
8
2.1
N
8
2.1
N
8
Wave Graph
Metric surfscale
Energy kJ
84
60
57
38
41
55
97
149
210
251
332
412
475
512
555
520
533
588
617
Wind (km/h)
25
NNE
20
N
20
N
20
N
20
N
20
N
25
N
25
NNE
30
NNE
30
NNE
35
NNE
35
NNE
40
N
40
N
35
NNE
30
N
35
N
35
N
35
N
Wind State
on
on
on
on
on
cross-on
on
on
on
on
on
on
on
on
on
on
on
on
on
High Tide
4:49PM2.15m
5:04AM2.08m
5:24PM1.93m
5:41AM1.91m
6:06PM1.72m
Low Tide
10:49PM0.42m
11:09AM0.48m
11:22PM0.60m
11:50AM0.66m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:39
7:39
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:00
7:58
7:57
 mm
Temp °C
28
27
26
25
24
23
23
24
23
22
21
21
21
21
21
21
22
22
21
Feels °C
25
25
24
24
23
23
22
23
21
20
19
18
17
16
17
17
18
18
16
  • 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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