San Juan Surf Break

Lat Long: 29.12° N 13.57° W

San Juan 48 hour detailed Surf Forecast

Issued: 12 pm 04 Sep 2026 (local time)

Forecast update in  hr  min

Today's San Juan sea temperature is
24.0°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 (04 Sep):

  • Morning surf: Morning surf (04 Sep, local time) - 3ft (0.9m), 7s period with N swell.
  • Afternoon surf: Afternoon surf (04 Sep, local time) - 3ft (0.9m), 7s period with N swell.
  • Evening surf: Evening surf (04 Sep, local time) - 3ft (0.9m), 7s period with N swell.

The current surf forecast for San Juan at 4PM is: 0.9m 7s primary swell from a North direction and 0.4m 9s secondary swell from a Northwest direction, 0.3m 8s secondary swell from a Northwest direction (forecast issued at 12:00pm September 04). The wind direction is predicted to be onshore.

Time (WEST) & DateWave HeightWave Period
Morning (04 Sep)3ft (0.9m)7s
Afternoon (04 Sep)3ft (0.9m)7s
Evening (04 Sep)3ft (0.9m)7s

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


Short Range Forecast

Mostly dry. Warm (max 24°C on Fri morning, min 22°C on Fri night). Mainly fresh winds.

Fri
4
Saturday
5
Sunday
6
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
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
Wave
Height (m)
Direction
Period (s)
0.9
N
7
0.9
N
7
0.9
N
7
0.9
N
7
0.9
N
7
0.9
N
7
0.9
N
7
1.1
N
7
1.2
N
5
1.2
N
6
1.2
N
6
1.3
N
6
1.5
N
6
1.2
N
6
1.3
N
6
1.4
N
6
1.5
N
6
1.5
N
6
1.4
N
6
1.5
N
6
1.5
N
6
Wave Graph
Metric surfscale
Energy kJ
81
81
86
83
81
79
74
111
77
94
101
122
156
102
126
137
160
173
151
165
167
Wind (km/h)
15
N
15
N
20
N
20
N
20
N
15
NNW
20
NNW
25
N
30
N
30
N
30
N
25
N
30
N
25
NNE
25
NNE
25
N
30
N
30
N
30
N
30
N
30
NNE
Wind State
cross-on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
on
on
on
cross-on
cross-on
on
on
cross-on
on
High Tide
7:46PM1.77m
8:31AM1.81m
9:30PM1.71m
10:10AM1.87m
Low Tide
1:18PM0.67m
1:55AM0.76m
3:01PM0.73m
3:41AM0.79m
4:44PM0.62m
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:33
7:33
7:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:13
8:12
8:09
 mm
Temp °C
23
24
24
23
23
23
23
22
23
24
24
23
22
22
22
22
22
23
23
23
22
Feels °C
24
25
24
24
23
24
24
22
22
23
23
23
20
22
22
22
21
22
22
22
21
  • 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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