Maresias Surf Break

Lat Long: 23.81° S 45.54° W

Maresias 48 hour detailed Surf Forecast

Issued: 8 pm 28 Sep 2026 (local time)

Forecast update in  hr  min

Today's Maresias sea temperature is
21.9°C
0.9° 

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 (29 Sep):

  • Morning surf: Morning surf (29 Sep, local time) - 3.5ft (1.1m), 7s period with ESE swell.
  • Afternoon surf: Afternoon surf (29 Sep, local time) - 3.5ft (1.1m), 6s period with ESE swell.
  • Evening surf: Evening surf (29 Sep, local time) - 1.5ft (0.5m), 8s period with S swell.

The current surf forecast for Maresias at 2AM is: 1.1m 6s primary swell from a East-southeast direction and 0.7m 9s secondary swell from a South direction (forecast issued at 08:00pm September 28). The wind direction is predicted to be cross-offshore.

Time (-03) & DateWave HeightWave Period
Morning (29 Sep)3.5ft (1.1m)7s
Afternoon (29 Sep)3.5ft (1.1m)6s
Evening (29 Sep)1.5ft (0.5m)8s

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


Short Range Forecast

Moderate rain (total 11mm), heaviest on Wed afternoon. Warm (max 28°C on Tue morning, min 21°C on Mon night). Wind will be generally light.

Mon
28
Tuesday
29
Wednesday
30
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
1
1
1
1
0
0
1
1
1
1
1
2
2
0
0
0
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
S
10
0.7
S
10
1.2
ESE
6
1.1
ESE
6
1.1
ESE
6
1.1
ESE
7
1.1
ESE
7
1.1
ESE
6
0.5
S
11
0.5
S
8
0.3
S
11
0.4
S
12
1.5
ESE
8
1.5
ESE
8
1.4
ESE
8
1.2
ESE
8
0.4
S
11
1.1
ESE
8
Wave Graph
Metric surfscale
Energy kJ
96
92
108
98
108
111
111
108
59
35
23
46
253
273
238
197
37
163
Wind (km/h)
10
E
10
NE
5
SE
10
NE
10
NE
5
ESE
10
SE
10
ENE
15
NE
15
NNE
5
N
10
W
5
N
0
SSW
15
SSW
10
WSW
10
W
0
NE
Wind State
cross-off
cross-off
glassy
cross-off
cross-off
cross
cross-on
cross-off
cross-off
cross-off
off
cross-off
glassy
glassy
on
cross-on
cross
glassy
High Tide
3:20PM1.09m
3:39AM1.23m
3:45PM1.02m
4:17AM1.15m
4:12PM0.94m
Low Tide
9:46PM0.14m
10:25AM0.23m
10:12PM0.17m
11:04AM0.39m
cloud
cloud
cloud
cloud
part cloud
clear
clear
thunderstorm
part cloud
part cloud
part cloud
light rain
part cloud
clear
clear
cloud
rain showers
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
5:45
—
—
—
—
—
—
—
5:43
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:00
—
—
—
—
—
—
—
6:00
—
—
—
—
—
—
—
6:00
—
 mm
—
—
—
—
—
—
—
1
—
—
—
1
—
—
—
—
2
—
Temp °C
22
22
22
22
21
26
28
26
24
24
25
22
22
28
27
22
22
22
Feels °C
25
25
26
25
23
29
31
29
26
26
28
25
25
32
28
25
25
27
  • 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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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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