San Juan Surf Break

Lat Long: 29.12° N 13.57° W

San Juan 48 hour detailed Surf Forecast

Issued: 6 pm 02 Sep 2026 (local time)

Forecast update in  hr  min

Today's San Juan sea temperature is
23.9°C
1.4° 

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 (03 Sep):

  • Morning surf: Morning surf (03 Sep, local time) - 4ft (1.2m), 7s period with NNE swell.
  • Afternoon surf: Afternoon surf (03 Sep, local time) - 3.5ft (1.1m), 7s period with N swell.
  • Evening surf: Evening surf (03 Sep, local time) - 3.5ft (1.0m), 7s period with N swell.

The current surf forecast for San Juan at 1AM is: 1.6m 8s primary swell from a North-northeast direction and 0.5m 9s secondary swell from a North-northwest direction, 0.2m 10s secondary swell from a North direction (forecast issued at 06:00pm September 02). The wind direction is predicted to be onshore.

Time (WEST) & DateWave HeightWave Period
Morning (03 Sep)4ft (1.2m)7s
Afternoon (03 Sep)3.5ft (1.1m)7s
Evening (03 Sep)3.5ft (1.0m)7s

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


Short Range Forecast

Mostly dry. Warm (max 24°C on Sat morning, min 21°C on Wed night). Mainly fresh winds.

Wed
2
Thursday
3
Friday
4
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)
2
NNE
8
1.9
NNE
8
1.8
NNE
8
1.6
NNE
8
1.5
NNE
7
1.3
NNE
7
1.2
NNE
7
1.1
N
7
1
N
7
0.9
NNE
7
1
N
7
0.8
N
7
0.9
N
7
0.8
N
7
0.9
N
7
1
N
7
1
N
7
1
N
7
1
N
7
Wave Graph
Metric surfscale
Energy kJ
515
441
356
276
228
181
160
127
106
94
106
61
74
59
77
100
103
97
91
Wind (km/h)
30
NNE
25
NNE
25
N
25
NNE
20
NNE
20
NNW
15
N
15
NNE
20
NNE
20
NNE
15
N
15
N
15
NNW
15
N
20
N
20
N
20
NNW
25
N
15
NNW
Wind State
on
on
on
on
on
cross-on
on
on
on
on
on
on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
High Tide
5:34PM2.14m
6:01AM2.04m
6:29PM1.94m
7:03AM1.89m
7:46PM1.77m
Low Tide
11:42PM0.42m
12:08PM0.51m
00:36AM0.61m
1:18PM0.67m
clear
clear
clear
clear
cloud
clear
part cloud
cloud
cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:31
7:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:15
8:14
8:13
 mm
Temp °C
22
22
21
21
21
21
22
22
22
22
21
21
21
21
22
23
23
23
23
Feels °C
19
20
19
20
21
21
23
23
22
22
22
22
22
22
23
24
23
22
24
  • 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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