Maresias Surf Break

Lat Long: 23.81° S 45.54° W

Maresias 48 hour detailed Surf Forecast

Issued: 2 am 17 Oct 2026 (local time)

Forecast update in  hr  min

Today's Maresias sea temperature is
23.2°C
1.3° 

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 (17 Oct):

  • Morning surf: Morning surf (17 Oct, local time) - 4ft (1.2m), 8s period with SE swell.
  • Afternoon surf: Afternoon surf (17 Oct, local time) - 3.5ft (1.1m), 9s period with SE swell.
  • Evening surf: Evening surf (17 Oct, local time) - 3.5ft (1.1m), 9s period with SE swell.

The current surf forecast for Maresias at 7AM is: 1.1m 8s primary swell from a Southeast direction and 0.5m 6s secondary swell from a Southeast direction, 0.9m 6s secondary swell from a South-southwest direction (forecast issued at 02:00am October 17). The wind direction is predicted to be onshore.

Time (-03) & DateWave HeightWave Period
Morning (17 Oct)4ft (1.2m)8s
Afternoon (17 Oct)3.5ft (1.1m)9s
Evening (17 Oct)3.5ft (1.1m)9s

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


Short Range Forecast

Light rain (total 8mm), mostly falling on Sat morning. Warm (max 21°C on Sun morning, min 17°C on Mon night). Wind will be generally light.

Saturday
17
Sunday
18
Monday
19
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
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
0
0
0
0
1
1
2
2
2
2
2
1
1
1
2
3
3
4
3
2
3
2
2
2
Swell
Height Map
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
SE
8
1.1
SE
8
1.1
SE
8
1.2
SE
8
1.1
SE
9
1.1
SE
9
1.1
SE
9
1.1
SE
9
1.1
SE
9
1
ESE
9
0.9
ESE
9
0.9
ESE
9
1.4
S
12
1.7
S
11
1.8
S
11
1.9
S
13
1.9
S
12
1.9
S
12
1.9
S
11
1.9
S
11
1.8
S
11
1.8
S
11
1.7
S
10
1.7
S
10
Wave Graph
Metric surfscale
Energy kJ
187
149
171
196
189
202
186
182
182
165
138
141
555
734
764
1210
1022
955
859
828
730
716
627
590
Wind (km/h)
5
SW
20
SSW
10
SSW
10
SW
10
SW
10
SW
0
S
5
NE
5
NE
5
NNE
5
W
10
SW
10
SW
10
SSW
10
S
10
SSW
5
SSW
5
SW
5
SSW
5
SSW
5
S
5
S
5
SE
5
E
Wind State
cross-on
on
cross-on
cross-on
cross-on
cross-on
glassy
glassy
glassy
off
glassy
cross-on
cross-on
on
on
on
cross-on
glassy
glassy
on
glassy
on
cross-on
cross
High Tide
5:49AM0.81m
11:45AM0.65m
5:12PM0.80m
7:12AM0.73m
11:37AM0.74m
6:21PM0.72m
11:55AM0.83m
Low Tide
10:15AM0.65m
12:40PM0.65m
1:29AM0.40m
9:04AM0.71m
3:13PM0.65m
3:25AM0.39m
4:35PM0.57m
mod rain
thunderstorm
mod rain
light rain
light rain
light rain
part cloud
clear
part cloud
part cloud
part cloud
rain showers
rain showers
rain showers
part cloud
cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
5:26
—
—
—
—
—
—
—
5:26
—
—
—
—
—
—
—
5:24
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
—
6:07
—
—
—
—
—
—
—
6:07
—
—
—
—
—
—
—
6:07
—
 mm
7
11
9
3
1
1
—
—
—
—
—
1
1
1
—
—
—
—
—
—
—
—
—
—
Temp °C
22
21
20
19
19
20
19
19
19
19
19
20
21
20
19
18
18
18
18
18
19
19
19
18
Feels °C
26
21
21
20
20
22
22
21
21
21
21
21
22
21
20
18
19
19
19
18
19
19
19
18
  • 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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