San Juan Surf Break

Lat Long: 29.12° N 13.57° W

San Juan 48 hour detailed Surf Forecast

Issued: 12 am 04 Oct 2026 (local time)

Forecast update in  hr  min

Today's San Juan sea temperature is
24.5°C
1.9° 

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 Oct):

  • Morning surf: Morning surf (04 Oct, local time) - 5.5ft (1.7m), 13s period with N swell.
  • Afternoon surf: Afternoon surf (04 Oct, local time) - 5ft (1.5m), 12s period with N swell.
  • Evening surf: Evening surf (04 Oct, local time) - 3.5ft (1.1m), 12s period with NNW swell.

The current surf forecast for San Juan at 8AM is: 1.7m 13s primary swell from a North direction and 0.1m 10s secondary swell from a Northwest direction, 0.9m 6s secondary swell from a North-northeast direction (forecast issued at 12:00am October 04). The wind direction is predicted to be onshore.

Time (WEST) & DateWave HeightWave Period
Morning (04 Oct)5.5ft (1.7m)13s
Afternoon (04 Oct)5ft (1.5m)12s
Evening (04 Oct)3.5ft (1.1m)12s

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


Short Range Forecast

Mostly dry. Warm (max 23°C on Sun morning, min 21°C on Sat night). Wind will be generally light.

Sunday
4
Monday
5
Tuesday
6
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
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
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)
1.5
NNW
13
1.8
N
13
1.7
N
13
1.6
N
13
1.6
N
13
1.5
N
12
1.5
N
12
1.1
NNW
12
1.4
N
12
1.4
N
12
1.1
N
12
1.1
N
12
1
N
12
0.8
NNW
11
1
N
11
1.1
N
11
0.9
NNW
11
0.7
NNW
11
0.7
NNW
11
0.7
NNW
11
0.7
NNW
11
1.2
N
10
0.6
NNW
10
0.6
NNW
10
Wave Graph
Metric surfscale
Energy kJ
713
1077
946
826
800
660
649
373
556
556
347
336
270
161
238
279
198
121
123
121
119
311
85
82
Wind (km/h)
25
NNE
20
NNE
20
NNE
20
NNE
25
NNE
25
NNE
25
N
25
N
15
NNE
15
NNE
15
NE
10
NNE
15
NE
15
NNE
20
N
20
N
15
ENE
5
NNW
15
NNW
10
NNE
20
NE
25
NE
20
NE
20
NE
Wind State
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
cross-on
glassy
cross-on
on
cross-on
on
cross-on
cross-on
High Tide
8:28AM1.86m
9:35PM1.71m
10:02AM1.94m
10:56PM1.84m
11:13AM2.12m
Low Tide
1:51AM0.81m
3:10PM0.68m
3:39AM0.80m
4:42PM0.56m
4:58AM0.66m
5:43PM0.38m
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
7:48
—
—
—
—
—
—
—
7:48
—
—
—
—
—
—
—
7:48
—
—
—
—
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<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
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7:37
—
—
—
—
—
—
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7:36
—
—
—
—
—
—
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7:34
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 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
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Temp °C
21
21
21
22
23
23
22
21
21
21
21
22
23
23
23
22
22
23
23
23
23
23
22
22
Feels °C
20
20
21
22
22
22
21
20
21
22
22
24
24
24
23
21
23
26
24
25
23
22
21
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.


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