Maresias Surf Break

Lat Long: 23.81° S 45.54° W

Maresias 48 hour detailed Surf Forecast

Issued: 8 am 30 Sep 2026 (local time)

Forecast update in  hr  min

Today's Maresias sea temperature is
22.0°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 (30 Sep):

  • Morning surf: Morning surf (30 Sep, local time) - 4ft (1.2m), 8s period with ESE swell.
  • Afternoon surf: Afternoon surf (30 Sep, local time) - 3.5ft (1.1m), 8s period with ESE swell.
  • Evening surf: Evening surf (30 Sep, local time) - 1.5ft (0.4m), 12s period with SE swell.

The current surf forecast for Maresias at 4PM is: 0.5m 11s primary swell from a South direction and 0.2m 2s secondary swell from a West-southwest direction (forecast issued at 08:00am September 30). An open ocean swell of 1.1m 8s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (-03) & DateWave HeightWave Period
Morning (30 Sep)4ft (1.2m)8s
Afternoon (30 Sep)3.5ft (1.1m)8s
Evening (30 Sep)1.5ft (0.4m)12s

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


Short Range Forecast

Heavy rain (total 28mm), heaviest during Fri morning. Warm (max 31°C on Wed morning, min 19°C on Fri afternoon). Wind will be generally light.

Wednesday
30
Thursday
1
Friday
2
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)
2
2
1
1
1
0
1
0
1
1
0
1
0
1
0
1
1
1
0
0
1
1
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)
1.2
ESE
8
1.2
ESE
8
1.2
ESE
8
1.1
ESE
8
0.4
S
11
0.4
SE
12
0.4
SE
12
0.4
SE
12
0.4
SE
10
0.5
SE
10
0.5
SSE
10
0.6
SSE
10
0.5
SE
10
0.5
SE
10
0.8
S
9
0.9
SSW
10
1
SSW
10
1.4
S
10
1.5
S
6
1.5
S
7
1.4
S
7
1.3
S
7
Wave Graph
Metric surfscale
Energy kJ
178
183
183
151
37
37
35
35
24
52
58
65
46
45
110
163
197
392
182
192
167
145
Wind (km/h)
10
N
5
N
10
SSW
10
WSW
10
N
10
WSW
5
WSW
10
WSW
5
W
0
NNW
10
SW
5
SSW
5
SW
10
NNE
5
S
10
SW
10
WSW
10
SSW
15
S
10
S
10
SE
10
ESE
Wind State
off
off
on
cross
off
cross-on
glassy
cross
glassy
glassy
cross-on
glassy
cross-on
cross-off
on
cross-on
cross
cross-on
on
on
cross-on
cross
High Tide
4:17AM1.15m
4:12PM0.94m
5:00AM1.03m
4:39PM0.86m
5:52AM0.89m
11:18AM0.71m
5:09PM0.77m
Low Tide
11:04AM0.39m
10:32PM0.23m
11:59AM0.55m
10:41PM0.30m
9:50AM0.71m
2:00PM0.67m
part cloud
cloud
cloud
part cloud
rain showers
rain showers
cloud
light rain
light rain
part cloud
rain showers
cloud
light rain
part cloud
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:43
—
—
—
—
—
—
5:43
—
—
—
—
—
—
—
5:41
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
6:00
—
—
—
—
—
—
—
6:00
—
—
—
—
—
—
—
6:00
—
 mm
—
—
—
—
2
1
—
1
2
—
1
—
1
—
1
3
3
1
4
3
2
2
Temp °C
24
31
26
24
22
22
21
21
21
24
24
23
21
22
21
21
20
20
20
19
19
19
Feels °C
25
33
29
27
25
25
24
23
24
28
26
26
24
25
24
24
22
22
21
20
20
20
  • 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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