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Surf Forecasts:

Atins surfForecast / Maranhao / Brazil

information circle48hr Weather and Surf, issued 2 am Thursday 18 Sep 2025 -03
Forecast update in hr  min  s Forecast update imminent
Atins surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Atins sea temperature is
27.5° C
 (Which is slightly warmer than usual)

How big are the waves at Atins today?

The current surf forecast for Atins at 5AM is: 1.6m 6s primary swell from a East-northeast direction (forecast issued at 02:00am September 18). The wind direction is predicted to be cross-shore.

Time (-03) & DateWave HeightWave Period
Morning (18 Sep)5.5ft (1.7m)7s
Afternoon (18 Sep)5ft (1.5m)6s
Evening (18 Sep)5ft (1.5m)6s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Thursday
18
Friday
19
Saturday
20
0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.6
NE
1.5
ENE
1.6
ENE
1.7
ENE
1.7
ENE
1.5
NE
1.4
NE
1.5
NE
1.5
NE
1.6
NE
1.6
ENE
1.5
ENE
1.3
ENE
1.3
NE
1.4
NE
1.5
NE
1.5
NE
1.5
NE
1.6
ENE
1.4
ENE
1.4
NE
1.5
NE
1.6
NE
1.6
NE
Period(s) (?)766766666667776666677666
Wave
Graph
(?)Metric surfscale
Energy kJ (?)214170190234229170129164170182190198154159120154164164173180163138161178
Wind
(km/h)
30
E
30
E
35
ENE
35
E
30
ENE
30
NE
25
NE
30
NE
25
NE
30
ENE
30
E
30
E
25
ENE
30
NE
35
NE
30
ENE
25
ENE
30
ENE
35
E
25
E
30
ENE
30
NE
35
NE
35
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		crosscross-
off		crosscrosscrosscrosscrosscrosscross-
off		cross-
off		crosscross-
on		crosscrosscrosscrosscross-
off		cross-
off		crosscrosscrosscross
High Tide
/ height (m)
3:00PM
2.40
3:10AM
2.68
3:40PM
2.57
3:51AM
2.80
4:14PM
2.71
Low Tide
/ height (m)
8:46AM
0.51
8:56PM
0.64
9:27AM
0.39
9:37PM
0.48
10:03AM
0.31
Thursday
18
Friday
19
Saturday
20
Sunrise--5:41-------5:41-------5:41-----
Sunset-----5:47-------5:46-------5:46--
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
cloud
clear
clear
clear
clear
part cloud
clear
cloud
part cloud
clear
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C252525262727262525252627282726252525252627272525
Feels °C (?)242424242627262425242625272625242424232525252424
  • 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

Eyeball surf reportRecent Eyeball Surf Reports for Maranhao

  1. weather stationWind Update Still cross-shore at Atins (moderate winds from the ENE at Aeroporto Internacional de São Luís - Marechal 166 km from Atins). 1.6m 7s swell from the ENE to make surfable waves.

    2 hours 34 minutes ago Atins
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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 Atins 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.

View detailed surf forecast for Atins at:
surf-forecast.com

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