San Juan Surf Break

Lat Long: 29.12° N 13.57° W

San Juan 48 hour detailed Surf Forecast

Issued: 6 pm 29 Sep 2026 (local time)

Forecast update in  hr  min

Today's San Juan sea temperature is
24.1°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 (30 Sep):

  • Morning surf: Morning surf (30 Sep, local time) - 2.5ft (0.8m), 12s period with NNW swell.
  • Afternoon surf: Afternoon surf (30 Sep, local time) - 2.5ft (0.8m), 10s period with NW swell.
  • Evening surf: Evening surf (30 Sep, local time) - 2.5ft (0.8m), 11s period with NNW swell.

The current surf forecast for San Juan at 2AM is: 1.1m 12s primary swell from a North-northwest direction and 0.1m 9s secondary swell from a West direction, 0.2m 5s secondary swell from a North-northeast direction (forecast issued at 06:00pm September 29). The wind direction is predicted to be onshore.

Time (WEST) & DateWave HeightWave Period
Morning (30 Sep)2.5ft (0.8m)12s
Afternoon (30 Sep)2.5ft (0.8m)10s
Evening (30 Sep)2.5ft (0.8m)11s

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


Short Range Forecast

Mostly dry. Warm (max 25°C on Tue afternoon, min 22°C on Wed night). Winds increasing (light winds from the NE on Tue afternoon, fresh winds from the NNE by Thu night).

Tue
29
Wednesday
30
Thursday
1
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)
1
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)
1.2
NNW
13
1.2
NNW
13
1.1
NNW
12
1.1
NNW
12
1
NNW
12
0.9
NNW
12
0.8
NNW
12
0.9
NNW
11
0.8
NW
10
0.9
NW
10
0.8
NNW
11
0.9
NNW
11
1
NNW
11
1
NNW
12
1.2
NNW
12
1.5
NNW
12
1.7
NNW
12
1.8
NNW
13
1.9
NNW
13
Wave Graph
Metric surfscale
Energy kJ
491
454
333
333
269
242
153
211
138
154
160
193
247
285
385
575
871
1100
1189
Wind (km/h)
5
NE
10
N
15
N
15
NNE
15
NNE
15
NNE
10
NE
15
NNE
20
NNE
20
NNE
20
NNE
20
NNE
20
NNE
20
NNE
25
NE
25
NE
30
NNE
30
NNE
30
NE
Wind State
on
on
on
on
on
on
cross-on
on
on
on
on
on
on
on
on
on
on
on
on
High Tide
3:51PM2.44m
4:12AM2.37m
4:33PM2.29m
4:54AM2.24m
5:22PM2.08m
Low Tide
9:57PM0.11m
10:17AM0.17m
10:37PM0.27m
11:03AM0.31m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
—
—
7:46
—
—
—
—
—
—
—
7:47
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
7:43
—
—
—
—
—
—
—
7:40
—
—
—
—
—
—
—
7:39
—
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Temp °C
25
25
24
23
23
23
23
24
25
24
23
22
22
22
23
23
23
23
22
Feels °C
26
25
24
23
23
23
23
24
24
23
23
22
22
22
23
22
21
22
20
  • 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