Isla Santa Maria Surf Break

Lat Long: 23.43° S 70.61° W

Isla Santa Maria 48 hour detailed Surf Forecast

Issued: 2 pm 15 Sep 2026 (local time)

Forecast update in  hr  min

Today's Isla Santa Maria sea temperature is
18.8°C
3.0° 

Isla Santa Maria surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Isla Santa Maria today (15 Sep):

  • Afternoon surf: Afternoon surf (15 Sep, local time) - 3.5ft (1.1m), 14s period with SW swell.
  • Evening surf: Evening surf (15 Sep, local time) - 3.5ft (1.1m), 13s period with SW swell.

The current surf forecast for Isla Santa Maria at 9PM is: 1.1m 13s primary swell from a Southwest direction and 1.0m 8s secondary swell from a South-southwest direction (forecast issued at 02:00pm September 15). The wind direction is predicted to be cross-offshore and the swell rating is 3.

Time (-04) & DateWave HeightWave Period
Morning (15 Sep)--
Afternoon (15 Sep)3.5ft (1.1m)14s
Evening (15 Sep)3.5ft (1.1m)13s

Table - waves today at Isla Santa Maria. (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Very mild (max 18°C on Thu morning, min 15°C on Tue night). Wind will be generally light.

Tue
15
Wednesday
16
Thursday
17
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
3
2
3
3
3
2
2
2
1
1
2
2
2
2
0
1
2
0
1
1
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)
1.1
SW
14
1.1
SW
14
1.1
SW
14
1.1
SW
13
1.1
SW
13
1.1
SW
13
1.1
SW
13
1.1
SW
13
1
SW
13
0.9
SW
13
0.9
SW
13
0.9
SW
13
0.8
SW
12
0.8
SW
12
0.6
SW
12
0.6
SW
12
0.7
SW
12
0.6
SW
12
0.6
SW
12
0.7
SW
13
Wave Graph
Metric surfscale
Energy kJ
453
521
507
458
386
386
380
380
336
282
277
269
210
175
118
116
141
114
116
170
Wind (km/h)
5
WSW
15
SW
15
S
10
SSE
0
SE
5
NNW
0
SSW
5
SSW
10
SW
10
SSW
10
S
10
S
5
SSW
5
ENE
10
NW
5
ENE
0
W
5
W
10
S
15
S
Wind State
glassy
cross
cross-off
cross-off
glassy
glassy
glassy
glassy
cross-on
cross
cross-off
cross-off
glassy
glassy
cross-on
cross-off
glassy
on
cross-off
cross-off
High Tide
12:54PM0.84m
1:23AM1.05m
1:37PM0.72m
2:10AM0.99m
2:30PM0.63m
Low Tide
6:50PM0.17m
7:58AM0.24m
7:23PM0.25m
9:01AM0.31m
8:02PM0.31m
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:37
7:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:36
7:36
7:36
 mm
Temp °C
16
17
16
15
15
15
15
15
16
17
17
15
15
15
15
15
18
18
17
17
Feels °C
16
15
14
14
16
15
16
15
15
16
16
14
15
15
14
15
19
18
17
15
  • 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 Isla Santa Maria 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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