Maresias surf break

Maresias surfForecast / São Paulo / Brazil

information circle12 Day Weather and Surf, issued 8 pm Tuesday 15 Jul 2025 -03
Forecast update in 24 min 33 s Forecast update imminent
Maresias surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Maresias sea temperature is
69.6°F
(Which is normal for this time of year)


Best Forecast Surf Conditions for Maresias this week:

The surf forecast for Maresias over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Jul 16) at 9PM. The primary swell is predicted to be 1ft and 16s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Maresias in the next 12 days are 2ft 15s and forecast to arrive on Wednesday (Jul 23) at 3AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 5ft 6s period and expected on Tuesday (Jul 22) at 9PM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Wed 16th Jul)1ft (0.3m) 16s
Best Surf 3AM (Wed 23rd Jul)2.5ft (0.7m) 15s
Most Powerful 3AM (Wed 23rd Jul)2.5ft (0.7m) 15s

Table - best surf conditions forecast for Maresias over the next 12 days.

Updates in 24 min 33 s Forecast update imminent
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
Sun
27
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (ft) & direction (?)
0.5
S
0.5
S
0.5
S
1
S
1
S
1
S
1
S
0.5
S
4.5
SW
3
SSW
3.5
S
2.5
S
3
S
2.5
S
2.5
S
2.5
S
2
S
1.5
S
1
S
1
S
3.5
E
2
S
3
S
3
S
2.5
S
1.5
S
1.5
S
1
S
1
S
3.5
SSW
4.5
SSW
6
S
3.5
S
4.5
S
5
S
4
S
Period(s) (?)1514171513121110567787877781451514131211111010581017151313
Wave
Graph
(?)Metric surfscale
Energy (?)23830413243388956410563957310970654027541161833132701396237334772206754115612021360695
Wind
(mph)
5
NNE
5
NNE
5
SE
5
NNE
5
NNE
5
ESE
10
NNE
10
WSW
10
SW
5
WSW
5
SW
5
SSW
5
WSW
5
NE
5
SSE
5
NNE
5
NE
5
S
5
NNE
0
SW
5
S
5
NNE
0
SSW
5
ESE
5
NNE
5
N
5
E
5
NNE
5
N
5
SW
10
WSW
5
WSW
5
WSW
5
W
0
W
5
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
glassglasscross-
off
glasscrosscross-
off
crosscross-
on
cross-
on
cross-
on
cross-
on
glassglasscross-
on
cross-
off
glassglasscross-
off
glassglassoffglasscrosscross-
off
offcrossoffoffcross-
on
cross-
on
glasscrosscrossglasscross-
on
High Tide
/ height (ft)
5:41AM
3.45
6:32PM
2.99
6:31AM
3.18
7:17PM
2.69
7:37AM
2.89
8:14PM
2.4
9:32AM
2.72
9:45PM
2.23
12:44PM
2.99
11:49PM
2.3
1:36PM
3.28
12:40AM
2.49
2:13PM
3.51
1:17AM
2.76
2:44PM
3.64
1:50AM
3.05
3:10PM
3.64
2:23AM
3.35
3:35PM
3.61
2:55AM
3.58
3:59PM
3.51
3:28AM
3.71
4:23PM
3.38
Low Tide
/ height (ft)
12:35AM
1.51
1:08PM
0.75
1:30AM
1.57
2:15PM
1.12
2:40AM
1.57
3:39PM
1.41
3:59AM
1.44
5:12PM
1.54
5:16AM
1.18
6:33PM
1.51
6:21AM
0.85
7:33PM
1.44
7:15AM
0.49
8:17PM
1.38
8:01AM
0.2
8:51PM
1.35
8:42AM
0
9:20PM
1.35
9:19AM
-0.07
9:45PM
1.35
9:54AM
-0.03
10:08PM
1.31
10:25AM
0.1
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
Sun
27
Sunrise-6:43--6:43--6:43--6:43--6:43--6:41--6:41--6:41--6:41--6:41--6:39--6:39-
Sunset--5:31--5:31--5:32--5:32--5:34--5:34--5:35--5:35--5:35--5:36--5:36--5:37
clearclearclearclearclearclearclearpart cloudpart cloudpart cloudpart cloudpart cloudpart cloudclearclearpart cloudclearclearclearclearclearclearclearclearclearclearclearclearclearpart cloudlight rainlight rainlight rainlight rainpart cloudpart cloud
Rain (in)
------------------------------0.20.10.10.0--
Temp. °F617372617979706864616664616868597070637372647777729090779173666664647368
Feels °F (?)617072577777666663616463616866577272647575687979729088739075646866667572

Short Range Forecast: Mostly dry. Warm (max 79°F on Thu morning, min 59°F on Tue night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 70°F on Mon morning, min 57°F on Sat night). Wind will be generally light.

Days 6-9 Weather Summary Mostly dry. Warm (max 90°F on Thu morning, min 63°F on Mon night). Wind will be generally light.

Long Range Forecast: Moderate rain (total 0.4in), heaviest on Fri night. Warm (max 91°F on Fri morning, min 64°F on Fri night). Wind will be generally light.

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  • Map Icons:
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  • Live Wave Height (ft)
  • Live Wind Speed (mph)
  • Surf Rating (10 Max)
  • Ocean Swells (ft)
  • Wind Speed (mph)
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Eyeball surf reportRecent Eyeball Surf Reports for São Paulo

  1. weather stationWind Update Continuing clean conditions at Maresias (light winds from the W.(Wind varies from 220 to 290 degs) at Sao Jose Dos Campos (Aero) 46 miles from Maresias). 1ft 6s windswell from the SSE with a 1ft 6s windswell from the SSE and a 1ft 10s swell, also from the SSE. Swells combining to make to make bigger set waves.

    Maresias
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Information about the Maresias Surf forecast

The above surf forecast table for Maresias provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Maresias can be found by selecting the local surf guide option on the grey menu. Our Maresias surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Maresias) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Maresias may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Maresias is 14 km (9 miles) from Sao Sebastiao. If you plan a holiday in São Paulo, look for hotels and other accommodation in Sao Sebastiao. Sao Sebastiao has rooms for a wide range of budgets as well as car hire and transport links.

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