San Juan Surf Break

Lat Long: 29.12° N 13.57° W

San Juan 48 hour detailed Surf Forecast

Issued: 6 pm 30 Sep 2026 (local time)

Forecast update in  hr  min

Today's San Juan sea temperature is
24.7°C
2.0° 

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):

  • 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 10PM is: 0.8m 11s primary swell from a North-northwest direction and 0.9m 9s secondary swell from a Northwest direction, 0.4m 3s secondary swell from a North-northeast direction (forecast issued at 06:00pm September 30). The wind direction is predicted to be onshore.

Time (WEST) & DateWave HeightWave Period
Morning (30 Sep)--
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 Wed afternoon, min 21°C on Thu night). Mainly fresh winds.

Wed
30
Thursday
1
Friday
2
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)
0.8
NW
10
0.9
NW
10
0.8
NNW
11
0.9
NNW
11
1
NNW
11
1
NNW
12
1.1
NNW
12
1.5
NNW
12
1.8
NNW
12
1.9
NNW
13
1.9
NNW
13
2
NNW
12
1.6
NNW
12
1.5
NNW
12
1.5
NNW
12
1.5
NNW
12
1.4
NNW
12
1.2
NNW
16
1.9
NNW
16
Wave Graph
Metric surfscale
Energy kJ
138
154
160
193
247
285
330
585
980
1207
1189
1221
759
669
616
616
545
807
1826
Wind (km/h)
15
NNE
20
NNE
20
NNE
20
NNE
20
NNE
25
NE
25
NE
25
NE
30
NE
30
NNE
30
NE
35
NNE
35
NNE
30
NE
25
NE
25
NE
30
NNE
35
NNE
30
NNE
Wind State
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
High Tide
4:33PM2.29m
4:54AM2.24m
5:22PM2.08m
5:45AM2.08m
6:24PM1.87m
Low Tide
10:37PM0.27m
11:03AM0.31m
11:23PM0.47m
12:00PM0.50m
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
cloud
cloud
clear
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
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—
—
—
—
7:47
—
—
—
—
—
—
—
7:47
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
7:40
—
—
—
—
—
—
—
7:39
—
—
—
—
—
—
—
7:38
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 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Temp °C
25
24
23
23
22
22
23
24
23
23
22
22
22
21
22
22
22
22
21
Feels °C
25
24
23
23
22
21
22
23
21
21
20
19
19
19
20
20
19
19
18
  • 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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