Maresias Surf Break

Lat Long: 23.81° S 45.54° W

Maresias 48 hour detailed Surf Forecast

Issued: 8 am 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 (28 Sep):

  • Morning surf: Morning surf (28 Sep, local time) - 1.5ft (0.5m), 11s period with S swell.
  • Afternoon surf: Afternoon surf (28 Sep, local time) - 2.5ft (0.7m), 10s period with S swell.
  • Evening surf: Evening surf (28 Sep, local time) - 4.5ft (1.4m), 6s period with E swell.

The current surf forecast for Maresias at 3PM is: 0.7m 10s primary swell from a South direction and 0.1m 9s secondary swell from a South direction, 0.9m 4s secondary swell from a East-southeast direction (forecast issued at 08:00am September 28). The wind direction is predicted to be cross-shore.

Time (-03) & DateWave HeightWave Period
Morning (28 Sep)1.5ft (0.5m)11s
Afternoon (28 Sep)2.5ft (0.7m)10s
Evening (28 Sep)4.5ft (1.4m)6s

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


Short Range Forecast

Light rain (total 8mm), mostly falling on Wed afternoon. Warm (max 29°C on Tue morning, min 21°C on Mon night). Wind will be generally light.

Monday
28
Tuesday
29
Wednesday
30
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
1
0
0
1
2
2
2
2
2
0
2
0
0
1
2
2
1
0
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)
0.4
S
12
0.5
S
11
0.6
S
11
0.7
S
10
0.7
S
10
1.4
E
6
1.3
ESE
6
1.3
ESE
6
1.3
ESE
7
1.3
ESE
7
1.3
ESE
7
1.3
ESE
7
0.5
S
11
0.5
S
11
0.3
S
11
1.5
ESE
8
1.5
ESE
8
0.5
S
12
1.4
ESE
8
1.3
ESE
8
1.1
ESE
8
1
ESE
8
Wave Graph
Metric surfscale
Energy kJ
44
63
84
104
96
127
134
147
157
161
161
166
60
57
23
240
266
66
244
211
171
140
Wind (km/h)
0
ESE
5
NE
10
SSE
15
E
15
ENE
15
NE
10
ENE
5
ENE
10
NE
5
ENE
10
ESE
10
ENE
15
NE
15
SW
5
NNE
5
WNW
5
NE
0
WSW
15
SSW
5
W
5
NW
0
WSW
Wind State
glassy
glassy
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-on
cross-off
cross-off
cross-on
cross-off
glassy
cross-off
glassy
cross-on
glassy
glassy
glassy
High Tide
3:04AM1.27m
3:20PM1.09m
3:39AM1.23m
3:45PM1.02m
4:17AM1.15m
4:12PM0.94m
Low Tide
9:49AM0.10m
9:46PM0.14m
10:25AM0.23m
10:12PM0.17m
11:04AM0.39m
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
clear
clear
cloud
part cloud
part cloud
rain showers
clear
clear
part cloud
part cloud
light rain
rain showers
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:46
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—
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5:45
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—
—
—
—
—
—
5:43
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
6:00
—
—
—
—
—
—
—
6:00
—
—
—
—
—
—
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6:00
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 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1
—
—
—
—
2
1
1
Temp °C
21
23
26
24
22
21
21
21
22
26
29
27
24
22
22
23
22
26
26
22
22
22
Feels °C
25
26
28
26
24
23
24
24
25
29
31
30
26
23
25
27
25
30
27
26
26
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 

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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