Maresias Surf Break

Lat Long: 23.81° S 45.54° W

Maresias 48 hour detailed Surf Forecast

Issued: 8 pm 29 Sep 2026 (local time)

Forecast update in  hr  min

Today's Maresias sea temperature is
21.9°C
0.8° 

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) - 4.5ft (1.3m), 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 4AM is: 1.3m 8s primary swell from a East-southeast direction and 0.4m 12s secondary swell from a South direction (forecast issued at 08:00pm September 29). The wind direction is predicted to be offshore and the swell rating is 2.

Time (-03) & DateWave HeightWave Period
Morning (30 Sep)4.5ft (1.3m)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

Moderate rain (total 14mm), heaviest on Wed night. Warm (max 29°C on Wed morning, min 19°C on Fri afternoon). Wind will be generally light.

Tue
29
Wednesday
30
Thursday
1
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)
0
2
2
2
2
2
1
1
1
1
0
0
0
1
0
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.5
S
11
1.3
ESE
7
1.3
ESE
7
1.2
ESE
8
1.3
ESE
8
1.3
ESE
8
1.2
ESE
8
1.1
ESE
8
1.1
ESE
8
0.4
SE
12
0.4
SE
12
0.8
ESE
8
0.7
ESE
8
0.5
SE
10
0.5
SE
10
0.5
SE
10
0.6
SSW
9
0.8
SSW
9
Wave Graph
Metric surfscale
Energy kJ
59
171
176
169
207
212
187
155
155
37
35
77
58
52
50
48
65
115
Wind (km/h)
20
NE
5
WNW
5
N
5
NW
10
N
0
ENE
10
SSW
10
SW
10
WSW
5
NE
5
SSW
10
SW
10
WSW
5
WNW
10
SW
10
SW
10
SW
5
N
Wind State
cross-off
glassy
off
cross-off
off
glassy
cross-on
cross-on
cross-on
cross-off
on
cross-on
cross-on
glassy
cross-on
cross-on
cross-on
glassy
High Tide
3:45PM1.02m
4:17AM1.15m
4:12PM0.94m
5:00AM1.03m
4:39PM0.86m
Low Tide
10:12PM0.17m
11:04AM0.39m
10:32PM0.23m
11:59AM0.55m
cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
light rain
light rain
part cloud
cloud
light rain
part cloud
rain showers
cloud
cloud
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
5:43
—
—
—
—
—
—
—
5:43
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:00
—
—
—
—
—
—
—
6:00
—
—
—
—
—
—
—
6:00
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 mm
—
—
—
—
—
—
—
—
1
1
—
—
2
—
1
—
—
1
Temp °C
24
24
24
24
25
29
24
24
22
22
21
21
21
22
24
22
21
21
Feels °C
25
27
27
26
27
32
27
27
25
25
24
23
24
26
27
24
24
24
  • 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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