Maresias Surf Break

Lat Long: 23.81° S 45.54° W

Maresias 48 hour detailed Surf Forecast

Issued: 8 pm 13 Sep 2026 (local time)

Forecast update in  hr  min

Today's Maresias sea temperature is
22.3°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 (14 Sep):

  • Morning surf: Morning surf (14 Sep, local time) - 2.5ft (0.8m), 8s period with SSE swell.
  • Afternoon surf: Afternoon surf (14 Sep, local time) - 3ft (0.9m), 9s period with SSE swell.
  • Evening surf: Evening surf (14 Sep, local time) - 4ft (1.2m), 11s period with SSW swell.

The current surf forecast for Maresias at 4AM is: 1.0m 7s primary swell from a South-southeast direction and 0.7m 7s secondary swell from a South-southwest direction (forecast issued at 08:00pm September 13). The wind direction is predicted to be glassy.

Time (-03) & DateWave HeightWave Period
Morning (14 Sep)2.5ft (0.8m)8s
Afternoon (14 Sep)3ft (0.9m)9s
Evening (14 Sep)4ft (1.2m)11s

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


Short Range Forecast

Heavy rain (total 52mm), heaviest during Mon afternoon. Very mild (max 19°C on Mon morning, min 17°C on Tue afternoon). Wind will be generally light.

Sun
13
Monday
14
Tuesday
15
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
1
1
1
2
0
2
1
1
0
2
0
0
0
0
1
2
2
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
S
8
1.2
S
8
1
SSE
7
1
SSE
7
1
SSE
8
0.8
SSE
8
1.1
S
7
0.9
SSE
9
1
SE
8
1.2
SSW
11
1
SSW
11
1.2
SSW
11
0.9
S
10
0.9
S
10
0.9
S
10
0.9
S
9
1.2
S
9
1.1
S
9
Wave Graph
Metric surfscale
Energy kJ
169
159
117
96
126
90
131
111
135
329
254
313
165
156
146
137
229
189
Wind (km/h)
10
SE
5
ESE
5
ENE
5
S
5
ESE
5
ESE
5
SW
15
WSW
10
WSW
15
W
5
NNE
15
SW
10
WSW
10
SW
15
WSW
10
WSW
5
WNW
5
WNW
Wind State
cross-on
cross
cross-off
glassy
glassy
cross
glassy
cross
cross
cross
glassy
cross-on
cross-on
cross-on
cross-on
cross
glassy
cross-off
High Tide
3:28PM1.07m
3:41AM1.19m
3:48PM1.03m
4:12AM1.11m
4:08PM0.99m
Low Tide
9:41PM0.18m
10:09AM0.23m
10:00PM0.18m
10:27AM0.34m
light rain
light rain
mod rain
mod rain
light rain
light rain
light rain
mod rain
mod rain
light rain
light rain
part cloud
light rain
cloud
cloud
cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:00
5:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:54
5:54
 mm
2
1
6
7
2
2
3
6
9
2
3
1
Temp °C
18
18
18
18
18
19
19
18
18
18
18
18
18
18
18
17
17
17
Feels °C
19
20
20
20
20
21
21
18
19
18
20
18
18
18
18
17
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 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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