Maresias Surf Break

Lat Long: 23.81° S 45.54° W

Maresias 48 hour detailed Surf Forecast

Issued: 8 am 23 Sep 2026 (local time)

Forecast update in  hr  min

Today's Maresias sea temperature is
22.6°C
1.8° 

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


How big are the waves at Maresias today (23 Sep):

  • Morning surf: Morning surf (23 Sep, local time) - 6ft (1.9m), 8s period with S swell.
  • Afternoon surf: Afternoon surf (23 Sep, local time) - 7ft (2.2m), 10s period with S swell.
  • Evening surf: Evening surf (23 Sep, local time) - 6.5ft (2.0m), 11s period with S swell.

The current surf forecast for Maresias at 4PM is: 2.2m 10s primary swell from a South direction (forecast issued at 08:00am September 23). An open ocean swell of 0.5m 8s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (-03) & DateWave HeightWave Period
Morning (23 Sep)6ft (1.9m)8s
Afternoon (23 Sep)7ft (2.2m)10s
Evening (23 Sep)6.5ft (2.0m)11s

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


Short Range Forecast

Moderate rain (total 13mm), heaviest on Wed morning. Warm (max 23°C on Fri morning, min 17°C on Wed morning). Wind will be generally light.

Wednesday
23
Thursday
24
Friday
25
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
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
0
2
2
2
3
3
4
3
4
4
3
4
4
4
4
4
4
4
2
3
3
2
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)
1.9
S
7
1.9
S
8
2.5
S
10
2.2
S
10
2.1
S
10
2
S
11
1.8
S
11
1.5
S
15
1.7
S
14
2.2
S
14
2.2
S
14
2
S
14
2
S
14
1.9
S
14
1.9
S
13
1.8
S
14
1.7
S
14
1.7
S
14
1.5
S
13
1.4
S
13
1.3
S
13
1.1
S
12
Wave Graph
Metric surfscale
Energy kJ
389
454
1146
1026
953
881
727
1010
1208
1922
1867
1563
1497
1304
1285
1190
1126
1094
782
663
564
371
Wind (km/h)
15
S
10
S
15
S
10
SSE
10
SSE
10
E
10
ENE
10
E
10
ENE
10
ENE
10
E
15
ENE
15
ENE
15
NE
10
NE
10
NE
5
NNE
0
S
5
S
5
S
5
ENE
10
NNE
Wind State
on
on
on
on
cross-on
cross
cross-off
cross
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
on
glassy
cross-off
off
High Tide
1:35PM1.10m
1:08AM1.07m
1:53PM1.15m
1:33AM1.16m
2:13PM1.17m
Low Tide
6:54AM0.08m
7:19PM0.29m
7:30AM-0.00m
7:49PM0.22m
8:05AM-0.05m
8:20PM0.17m
light rain
light rain
light rain
light rain
light rain
rain showers
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:50
5:50
5:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:58
5:58
5:59
 mm
3
2
5
3
2
1
Temp °C
17
18
17
17
17
17
17
17
17
18
19
19
19
18
18
18
18
21
23
22
20
20
Feels °C
16
18
17
17
17
17
17
18
18
19
20
19
19
18
18
19
19
23
25
24
22
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 Maresias 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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