Maresias Surf Break

Lat Long: 23.81° S 45.54° W

Maresias 48 hour detailed Surf Forecast

Issued: 2 am 15 Sep 2026 (local time)

Forecast update in  hr  min

Today's Maresias sea temperature is
22.2°C
1.6° 

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 (15 Sep):

  • Morning surf: Morning surf (15 Sep, local time) - 3.5ft (1.1m), 10s period with S swell.
  • Afternoon surf: Afternoon surf (15 Sep, local time) - 3.5ft (1.1m), 9s period with S swell.
  • Evening surf: Evening surf (15 Sep, local time) - 3.5ft (1.1m), 9s period with S swell.

The current surf forecast for Maresias at 8AM is: 1.1m 10s primary swell from a South direction and 0.6m 9s secondary swell from a Southeast direction, 0.8m 5s secondary swell from a Southwest direction (forecast issued at 02:00am September 15). The wind direction is predicted to be cross-onshore.

Time (-03) & DateWave HeightWave Period
Morning (15 Sep)3.5ft (1.1m)10s
Afternoon (15 Sep)3.5ft (1.1m)9s
Evening (15 Sep)3.5ft (1.1m)9s

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


Short Range Forecast

Moderate rain (total 13mm), heaviest on Tue night. Very mild (max 19°C on Wed morning, min 17°C on Tue afternoon). Wind will be generally light.

Tuesday
15
Wednesday
16
Thursday
17
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
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
1
0
0
1
0
0
1
2
1
0
0
2
2
1
1
1
2
1
1
1
3
2
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
S
11
0.9
S
11
0.9
S
10
1.1
S
10
1.1
S
10
1.1
S
9
1.2
S
9
1.1
S
9
1
S
9
1
S
8
0.9
S
8
0.8
S
10
0.7
S
12
1.1
S
12
1.2
S
12
0.9
S
11
1.4
SSE
11
1.6
SSE
9
1.5
SSE
9
1.2
S
9
1.4
S
11
1.4
S
11
1.2
S
10
1.1
S
10
Wave Graph
Metric surfscale
Energy kJ
191
188
165
240
226
207
230
185
155
143
112
123
151
344
397
192
460
366
307
229
499
440
277
220
Wind (km/h)
15
WSW
10
SW
10
SW
10
SW
15
SW
15
SW
10
WSW
5
W
0
WNW
5
W
5
W
5
SW
5
SW
5
S
10
SE
10
ESE
10
ESE
10
E
10
E
10
E
10
E
10
E
15
ENE
15
ENE
Wind State
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross
glassy
glassy
cross
cross
glassy
glassy
on
cross-on
cross
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
High Tide
4:12AM1.11m
4:08PM0.99m
4:44AM1.01m
4:29PM0.93m
5:20AM0.90m
4:53PM0.86m
Low Tide
10:00PM0.18m
10:27AM0.34m
10:21PM0.20m
10:41AM0.44m
10:44PM0.26m
10:42AM0.55m
light rain
cloud
cloud
part cloud
part cloud
light rain
rain showers
light rain
light rain
light rain
part cloud
part cloud
part cloud
part cloud
light rain
light rain
light rain
light rain
cloud
cloud
cloud
part cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:58
5:58
5:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:54
5:55
5:55
 mm
1
1
1
2
3
2
1
1
1
1
Temp °C
18
18
18
18
18
18
17
17
17
17
17
19
19
19
18
18
18
18
18
18
18
18
18
17
Feels °C
19
18
19
19
18
18
18
18
19
18
18
20
20
20
19
18
18
19
19
18
18
18
18
17
  • 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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