Maresias Surf Break

Lat Long: 23.81° S 45.54° W

Maresias 48 hour detailed Surf Forecast

Issued: 8 am 07 Sep 2026 (local time)

Forecast update in  hr  min

Today's Maresias sea temperature is
22.0°C
1.5° 

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 (07 Sep):

  • Morning surf: Morning surf (07 Sep, local time) - 7ft (2.2m), 10s period with S swell.
  • Afternoon surf: Afternoon surf (07 Sep, local time) - 6ft (1.8m), 10s period with S swell.
  • Evening surf: Evening surf (07 Sep, local time) - 5.5ft (1.7m), 10s period with S swell.

The current surf forecast for Maresias at 1PM is: 1.9m 10s primary swell from a South direction (forecast issued at 08:00am September 07). An open ocean swell of 0.3m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 3.

Time (-03) & DateWave HeightWave Period
Morning (07 Sep)7ft (2.2m)10s
Afternoon (07 Sep)6ft (1.8m)10s
Evening (07 Sep)5.5ft (1.7m)10s

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


Short Range Forecast

Heavy rain (total 41mm), heaviest during Wed morning. Warm (max 21°C on Wed afternoon, min 15°C on Mon afternoon). Wind will be generally light.

Monday
7
Tuesday
8
Wednesday
9
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)
4
4
2
3
3
3
2
3
2
2
3
1
2
2
2
2
2
2
2
2
2
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)
2.4
S
11
2.2
S
10
2
S
10
1.8
S
10
1.7
S
10
1.7
S
10
1.4
S
10
1.4
S
10
1.3
S
10
1.3
S
10
1.3
S
10
1.2
S
10
1.1
S
10
1.1
S
10
1
S
10
1.5
ESE
8
1.5
ESE
8
1.3
ESE
8
1.2
ESE
8
0.8
S
10
1.1
ESE
7
0.8
S
13
Wave Graph
Metric surfscale
Energy kJ
1269
1026
784
623
555
608
400
392
347
367
361
296
244
239
198
234
240
202
169
140
140
212
Wind (km/h)
0
SE
5
ESE
5
E
5
ENE
5
NE
10
NE
10
NNE
10
NNE
10
NNE
10
NE
5
SE
5
SW
5
NE
10
NE
5
NNE
5
N
5
W
10
NNE
10
NNE
5
NNE
10
NNE
5
NNE
Wind State
glassy
glassy
cross
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
cross-on
glassy
cross-off
cross-off
glassy
cross-off
cross-off
off
glassy
cross-off
cross-off
High Tide
1:45PM1.09m
00:53AM0.87m
2:05PM1.13m
1:15AM1.01m
2:21PM1.14m
Low Tide
6:25AM0.15m
7:21PM0.42m
7:12AM0.04m
7:50PM0.37m
7:51AM-0.03m
8:16PM0.32m
light rain
light rain
light rain
light rain
light rain
cloud
cloud
cloud
cloud
rain showers
cloud
cloud
cloud
part cloud
part cloud
cloud
mod rain
heavy rain
mod rain
light rain
light rain
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:07
6:05
6:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:52
5:52
5:52
 mm
1
1
1
1
1
1
9
15
8
2
2
Temp °C
15
16
16
15
15
15
16
16
16
18
20
18
18
18
18
19
18
20
20
21
21
21
Feels °C
16
16
16
15
15
15
16
16
16
18
21
19
20
19
19
21
20
22
22
24
23
23
  • 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 

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