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Atins surfForecast / Maranhao / Brazil
16 Day Weather and Surf, issued 8 pm Thursday 23 Apr 2026 -03Forecast 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
29.3° C
(Which is slightly warmer than usual)Best Forecast Surf Conditions for Atins this week:
The surf forecast for Atins over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Apr 26) at 12AM. The primary swell is predicted to be 0.9m and 7s period with a secondary swell of 0.4m and 12s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Atins in the next 16 days are 0.9m 12s and forecast to arrive on Saturday (Apr 25) at 9PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 5s period and expected on Thursday (Apr 30) at 12PM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12AM (Sun 26th Apr) | 3ft (0.9m) 7s |
| Best Surf | 12AM (Sun 26th Apr) | 3ft (0.9m) 7s |
| Most Powerful | 9PM (Sat 25th Apr) | 3ft (0.9m) 12s |
Table - best surf conditions forecast for Atins over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 33mm), heaviest during Sat night. Warm (max 28°C on Thu night, min 23°C on Sat night). Wind will be generally light. | Days 5-7 Weather SummaryHeavy rain (total 31mm), heaviest during Wed morning. Warm (max 28°C on Mon afternoon, min 26°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Friday 24 | Saturday 25 | Sunday 26 | Monday 27 | Tuesday 28 | Wednesday 29 | Thu 30 | |||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
NE 4 | NE 5 | NE 4 | NE 7 | NNE 13 | NNE 13 | NNE 7 | N 12 | NNE 7 | NNE 11 | NNE 12 | NNE 12 | NNE 15 | NE 7 | N 13 | NNE 8 | NNE 8 | NNE 7 | NNE 8 | NNE 8 | NE 6 | |
29 | 35 | 24 | 56 | 60 | 222 | 66 | 71 | 38 | 37 | 150 | 161 | 71 | 75 | 89 | 91 | 81 | 214 | 131 | 101 | 116 | |
Wind (km/h) | |||||||||||||||||||||
cross | cross-off | cross | cross | cross-on | on | glassy | cross-on | cross-on | cross | cross-on | cross | cross-off | cross | cross | cross-off | cross-off | cross | cross | cross-off | cross-off | |
High Tide | 10:25PM2.15m | 10:45AM2.36m | 11:49PM2.14m | 12:09PM2.35m | 1:03AM2.25m | 1:21PM2.41m | 2:00AM2.40m | 2:18PM2.51m | 2:45AM2.54m | 3:04PM2.59m | 3:23AM2.66m | 3:44PM2.64m | 3:57AM2.75m | 4:20PM2.66m | |||||||
Low Tide | 4:22AM0.95m | 5:26PM0.73m | 5:51AM0.96m | 6:43PM0.72m | 7:08AM0.86m | 7:43PM0.66m | 8:06AM0.71m | 8:31PM0.58m | 8:52AM0.56m | 9:10PM0.51m | 9:31AM0.43m | 9:45PM0.46m | 10:07AM0.33m | ||||||||
 |  | | | | |  |  |  |  | | |  |  | | | | | | | | |
 | — | 5:48 | — | — | 5:47 | — | — | 5:47 | — | — | 5:47 | — | — | 5:47 | — | — | 5:47 | — | — | 5:47 | — |
 | — | — | 5:50 | — | — | 5:49 | — | — | 5:49 | — | — | 5:49 | — | — | 5:49 | — | — | 5:49 | — | — | 5:47 |
6 | 5 | 3 | 3 | 2 | 1 | 10 | 3 | — | — | 2 | 2 | — | — | 1 | 16 | 9 | 1 | 15 | 6 | 3 | |
Temp °C | 28 | 28 | 28 | 27 | 28 | 28 | 27 | 25 | 26 | 26 | 27 | 28 | 27 | 28 | 28 | 27 | 28 | 28 | 28 | 28 | 28 |
30 | 30 | 30 | 30 | 31 | 29 | 29 | 26 | 29 | 30 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 29 | 30 | 29 | 29 | |
Swell 1 Height (m) Direction Period (s) | N 18 | N 10 | N 10 | NNE 14 | NNE 7 | N 13 | NNE 7 | NE 7 | NNE 7 | NNE 6 | NNE 12 | NNE 16 | NNE 8 | NNE 13 | N 13 | NNE 8 | NNE 8 | — | NNE 8 | NNE 8 | N 11 |
 kJ | 6 | 16 | 7 | 41 | 27 | 51 | 66 | 47 | 38 | 23 | 150 | 49 | 22 | 60 | 89 | 91 | 81 | — | 131 | 101 | 2 |
Swell 2 Height (m) Direction Period (s) | N 18 | N 16 | N 15 | N 10 | NNE 13 | — | NNE 12 | N 12 | NNE 11 | NNE 11 | NNE 16 | NNE 16 | NNE 11 | N 11 | N 11 | NNE 12 | NNE 12 | — | NNE 12 | NNE 11 | N 11 |
| kJ | 6 | 20 | 18 | 7 | 60 | — | 47 | 71 | 37 | 37 | 53 | 83 | 41 | 21 | 20 | 50 | 47 | — | 26 | 23 | 21 |
Swell 3 Height (m) Direction Period (s) | — | N 16 | N 19 | N 18 | N 9 | — | — | N 15 | NNE 13 | NNE 13 | N 16 | — | NNE 15 | — | — | N 10 | — | — | — | — | N 9 |
| kJ | — | 20 | 7 | 6 | 6 | — | — | 4 | 35 | 33 | 47 | — | 71 | — | — | 8 | — | — | — | — | 15 |
Wind waves Height (m) Direction Period (s) | NE 4 | NE 5 | NE 4 | NE 7 | — | NNE 13 | — | — | — | — | — | NNE 12 | NE 4 | NE 7 | NNE 7 | — | — | NNE 7 | — | — | NE 6 |
| kJ | 29 | 35 | 24 | 56 | — | 222 | — | — | — | — | — | 161 | 12 | 75 | 68 | — | — | 214 | — | — | 116 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 812 | 477 | 1338 | 419 | 419 | 488 | 0 | 106 | 115 | 106 | 419 | 477 | 0 | 177 | 488 | 0 | 162 | 1924 | 419 | 162 | 419 |
Best forecast wave conditions in Maranhão | |||||||||||||||||||||
Best forecast wave conditions in Brazil | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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.
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 16 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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