Maresias Surf Break

Lat Long: 23.81° S 45.54° W

Maresias 48 hour detailed Surf Forecast

Issued: 8 am 21 Oct 2026 (local time)

Forecast update in  hr  min

Today's Maresias sea temperature is
23.2°C
1.2° 

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 (21 Oct):

  • Morning surf: Morning surf (21 Oct, local time) - 4.5ft (1.3m), 10s period with SSE swell.
  • Afternoon surf: Afternoon surf (21 Oct, local time) - 4ft (1.2m), 11s period with SSE swell.
  • Evening surf: Evening surf (21 Oct, local time) - 3.5ft (1.1m), 11s period with SSE swell.

The current surf forecast for Maresias at 12PM is: 1.3m 11s primary swell from a South-southeast direction and 0.3m 9s secondary swell from a East-southeast direction, 0.6m 4s secondary swell from a East direction (forecast issued at 08:00am October 21). The wind direction is predicted to be cross-onshore.

Time (-03) & DateWave HeightWave Period
Morning (21 Oct)4.5ft (1.3m)10s
Afternoon (21 Oct)4ft (1.2m)11s
Evening (21 Oct)3.5ft (1.1m)11s

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


Short Range Forecast

Moderate rain (total 10mm), heaviest on Wed night. Warm (max 26°C on Fri morning, min 20°C on Wed afternoon). Wind will be generally light.

Wednesday
21
Thursday
22
Friday
23
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
2
2
2
2
2
2
1
2
2
2
2
2
2
2
2
1
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
SSE
10
1.3
SSE
10
1.3
SSE
11
1.2
SSE
11
1.1
SSE
11
1.1
SSE
11
1.1
SSE
10
1
SSE
10
1.2
SSE
10
1.1
SSE
10
1.1
SSE
10
1.1
SSE
10
1.1
SSE
10
1.1
SSE
11
1.1
SSE
12
1.1
SSE
12
1
SSE
11
1
SSE
11
1
SSE
11
0.9
SSE
11
0.9
SSE
11
0.8
SSE
10
Wave Graph
Metric surfscale
Energy kJ
294
326
359
350
292
286
270
222
279
241
237
237
241
275
336
330
265
247
242
180
176
130
Wind (km/h)
5
NNE
5
E
10
SE
10
ESE
10
ENE
15
ENE
10
ENE
5
ENE
10
NE
10
NE
15
E
10
ENE
15
NE
15
NE
15
NE
10
NNE
5
N
5
NE
5
SSE
0
NE
5
NE
10
NNE
Wind State
cross-off
glassy
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
glassy
glassy
glassy
off
High Tide
12:36PM1.00m
00:06AM0.96m
12:57PM1.07m
00:37AM1.07m
1:18PM1.11m
Low Tide
5:34AM0.20m
6:07PM0.37m
6:19AM0.11m
6:44PM0.27m
7:00AM0.04m
7:19PM0.20m
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
cloud
light rain
light rain
part cloud
light rain
cloud
cloud
part cloud
light rain
cloud
cloud
cloud
thunderstorm
thunderstorm
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:24
—
—
—
—
—
—
5:22
—
—
—
—
—
—
—
5:22
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
6:08
—
—
—
—
—
—
—
6:09
—
—
—
—
—
—
—
6:09
—
 mm
—
—
—
—
—
—
—
—
4
2
—
1
—
—
—
1
—
—
—
1
1
—
Temp °C
18
22
23
23
20
20
20
20
20
21
23
22
21
21
21
21
21
24
26
26
24
23
Feels °C
19
23
24
24
21
21
22
22
22
23
25
24
22
22
22
23
23
27
29
30
27
25
  • 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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