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Surf Forecasts

Atins surfForecast / Maranhao / Brazil

information circle12 Day Weather and Surf, issued 2 am Monday 16 Jun 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
28.7° C
 (Which is slightly warmer than usual)

Best Forecast Surf Conditions for Atins this week:

The surf forecast for Atins over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Jun 16) at 9AM. The primary swell is predicted to be 0.9m and 6s period with a secondary swell of 0.3m and 8s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Atins in the next 12 days are 1.7m 7s and forecast to arrive on Thursday (Jun 19) at 3AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 6s period and expected on Friday (Jun 20) at 9AM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 9AM (Mon 16th Jun)3ft (0.9m) 6s
Best Surf 9AM (Mon 16th Jun)3ft (0.9m) 6s
Most Powerful 3AM (Thu 19th Jun)5.5ft (1.7m) 7s

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

Hourly12 Days
Maranhão Surf
Print Surf Table
Updates in  hr  min  s Forecast update imminent 
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
0
0
0
0
0
0
0
0
0
0
0
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 (?)
0.9
ENE
0.9
NE
0.3
N
0.3
N
1.2
NE
1.2
ENE
1.3
ENE
1.1
NE
1.6
ENE
1.1
NE
1.2
ENE
1.6
ENE
0.2
N
1.2
NE
1.3
ENE
0.2
N
1.2
NE
1.7
ENE
0.1
N
1.3
ENE
1.6
NE
1.5
ENE
1.4
NE
1.3
ENE
1.3
ENE
1.3
ENE
1.5
NE
1.5
ENE
1.5
NE
1.6
NE
1.5
ENE
1.5
NE
1.7
ENE
1.7
ENE
1.6
NE
1.6
NE
Period(s) (?)66151465676766106610661166666666666766666
Wave
Graph
(?)Metric surfscale
Energy (?)957491441201022011262041081081948110113161212093118197193126151158125194198196198217154230200182182
Wind
(km/h)
20
ESE
20
ENE
20
ENE
30
E
20
ENE
25
ENE
25
ESE
15
NE
30
E
30
ESE
25
ENE
30
ENE
35
E
25
ENE
25
ENE
30
E
25
ENE
25
ENE
25
E
25
ENE
25
ENE
30
ESE
20
ENE
25
ENE
30
E
20
ENE
20
ENE
30
E
20
ENE
20
ENE
30
E
20
ENE
30
ENE
30
E
20
ENE
25
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		crosscrosscross-
off		crosscrosscross-
off		crosscross-
off		cross-
off		crosscross-
off		cross-
off		crosscrosscross-
off		crosscrosscross-
off		crosscrosscross-
off		crosscrosscross-
off		crosscrosscross-
off		crosscrosscross-
off		crosscrosscross-
off		crosscross
High Tide
/ height (m)
8:40PM
2.42
8:52AM
2.58
9:33PM
2.42
9:50AM
2.51
10:32PM
2.44
10:56AM
2.45
11:35PM
2.48
12:06PM
2.42
12:39AM
2.56
1:16PM
2.44
1:41AM
2.68
2:22PM
2.50
2:39AM
2.80
3:21PM
2.58
3:34AM
2.91
4:15PM
2.64
4:25AM
2.99
5:06PM
2.67
5:15AM
3.02
5:53PM
2.66
6:02AM
3.00
6:38PM
2.63
Low Tide
/ height (m)
2:25PM
0.49
2:38AM
0.73
3:16PM
0.56
3:37AM
0.76
4:13PM
0.62
4:44AM
0.76
5:16PM
0.65
5:55AM
0.69
6:21PM
0.65
7:04AM
0.55
7:24PM
0.60
8:08AM
0.39
8:24PM
0.53
9:06AM
0.23
9:19PM
0.46
10:00AM
0.10
10:10PM
0.40
10:50AM
0.04
10:58PM
0.37
11:38AM
0.04
11:45PM
0.37
12:23PM
0.10
12:30AM
0.43
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Sunrise5:52--5:52--5:52--5:52--5:52--5:52--5:52--5:52--5:54--5:54--5:54--5:54--
Sunset-5:50--5:51--5:51--5:51--5:51--5:51--5:52--5:52--5:52--5:52--5:52--5:52-
thunderstorm clearthunderstorm clearclearthunderstorm rain showersclearthunderstorm rain showersthunderstorm thunderstorm clearclearrain showersthunderstorm clearthunderstorm thunderstorm clearthunderstorm clearthunderstorm part cloudclearclearthunderstorm part cloudclearpart cloudthunderstorm thunderstorm thunderstorm clearclearthunderstorm
Rain (mm)
1-1--61-9311--31-34-3-1---2---121--2
Temp. °C282727282827282827282727282727282727282827282727282727272727282827272727
Feels °C (?)292728282927282927262727282727272727282828282828272729262828272928262827

Short Range Forecast: Moderate rain (total 18mm), heaviest on Tue night. Warm (max 28°C on Mon morning, min 26°C on Mon morning). Mainly fresh winds.

Days 3-6 Weather Summary Moderate rain (total 12mm), heaviest on Thu morning. Warm (max 28°C on Thu morning, min 26°C on Thu morning). Mainly fresh winds.

Days 6-9 Weather Summary Moderate rain (total 10mm), heaviest on Sun morning. Warm (max 28°C on Sun morning, min 26°C on Sun morning). Mainly fresh winds.

Long Range Forecast: Light rain (total 7mm), mostly falling on Fri night. Warm (max 28°C on Thu morning, min 26°C on Wed night). Mainly fresh winds.

  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
<span class="translation_missing" title="translation missing: en.leaflet.map_placeholder_alt">Map Placeholder Alt</span>
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View detailed surf forecast for Atins at:
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Information about the Atins Surf forecast

The above surf forecast table for Atins provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Atins can be found by selecting the local surf guide option on the grey menu. Our Atins 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 (Atins) 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 Atins 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.

Are you planning a holiday in Maranhão? If you are looking for accommodation near Atins, camping, hotels and holiday cottages in Maranhão, consider staying in Barreirinhas which is 24 km (15 miles) away. Alternatively, find information about places to stay and car hire in Munguba which is 63 km (39 miles) away

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