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Atins surfForecast / Maranhao / Brazil
16 Day Weather and Surf, issued 2 am Tuesday 12 May 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 1.0°C warmer than normal for this time of year)Best Forecast Surf Conditions for Atins this week:
The most powerful waves expected at Atins in the next 16 days are 1.2m 11s and forecast to arrive on Monday (May 18) at 6PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 5s period and expected on Thursday (May 14) at 6AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 6PM (Mon 18th May) | 4ft (1.2m) 11s |
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 Tue night. Warm (max 28°C on Tue morning, min 25°C on Wed night). Mainly fresh winds. | Days 4-6 Weather SummaryModerate rain (total 14mm), heaviest on Sun afternoon. Warm (max 28°C on Sat afternoon, min 26°C on Fri morning). Wind will be generally light. | ||||||||||||||||||||
Tuesday 12 | Wednesday 13 | Thursday 14 | Friday 15 | Saturday 16 | Sunday 17 | Monday 18 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
NE 8 | NE 8 | NNE 8 | NE 8 | NE 8 | NNE 8 | NNE 8 | NE 8 | NNE 8 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NE 9 | ENE 5 | NNE 9 | NNE 9 | NNE 10 | |
135 | 219 | 70 | 165 | 167 | 63 | 73 | 145 | 193 | 168 | 141 | 144 | 119 | 154 | 86 | 113 | 241 | 65 | 86 | 111 | 98 | |
Wind (km/h) | |||||||||||||||||||||
cross-off | cross-off | cross | cross-off | cross | cross-off | cross-off | cross-off | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross-off | cross | cross-off | cross-off | cross-off | cross-off | |
High Tide | 1:14PM2.43m | 1:46AM2.53m | 2:10PM2.59m | 2:34AM2.74m | 3:01PM2.73m | 3:20AM2.92m | 3:50PM2.83m | 4:05AM3.06m | 4:39PM2.88m | 4:51AM3.13m | 5:27PM2.86m | 5:38AM3.13m | 6:16PM2.78m | ||||||||
Low Tide | 7:33PM0.61m | 8:01AM0.57m | 8:22PM0.46m | 8:50AM0.33m | 9:08PM0.33m | 9:38AM0.12m | 9:53PM0.24m | 10:25AM-0.04m | 10:38PM0.20m | 11:12AM-0.11m | 11:24PM0.22m | 12:01PM-0.08m | 00:11AM0.30m | ||||||||
 | |  | | | | | |  |  | | |  | | | | |  | | | | |
 | 5:47 | — | — | 5:47 | — | — | 5:47 | — | — | 5:47 | — | — | 5:47 | — | — | 5:47 | — | — | 5:47 | — | — |
 | — | 5:46 | — | — | 5:46 | — | — | 5:46 | — | — | 5:46 | — | — | 5:46 | — | — | 5:46 | — | — | 5:46 | — |
4 | 2 | 6 | 2 | 2 | 13 | 3 | 1 | — | — | 3 | 2 | — | — | 3 | 3 | 3 | — | — | 1 | 10 | |
Temp °C | 28 | 28 | 27 | 28 | 28 | 27 | 27 | 27 | 26 | 27 | 27 | 27 | 27 | 28 | 27 | 27 | 27 | 27 | 28 | 28 | 27 |
29 | 29 | 28 | 29 | 29 | 29 | 26 | 27 | 25 | 29 | 29 | 30 | 30 | 30 | 29 | 28 | 28 | 27 | 27 | 28 | 28 | |
Swell 1 Height (m) Direction Period (s) | NNE 8 | NNE 8 | NNE 8 | NNE 8 | N 15 | NNE 8 | NNE 8 | NE 8 | N 13 | NNE 9 | NNE 12 | NNE 11 | NNE 9 | — | NNE 9 | NNE 9 | NNE 12 | NNE 9 | NNE 9 | NNE 9 | NNE 10 |
 kJ | 92 | 115 | 70 | 107 | 4 | 63 | 73 | 145 | 31 | 168 | 31 | 43 | 119 | — | 86 | 113 | 46 | 65 | 86 | 111 | 98 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | N 16 | N 15 | N 15 | — | NNE 13 | NNE 12 | N 11 | N 12 | — | NNE 11 | — | — | NNE 11 | NNE 11 | NNE 11 | N 11 |
| kJ | — | — | — | — | — | 5 | 17 | 17 | — | 34 | 50 | 66 | 67 | — | 43 | — | — | 43 | 24 | 40 | 9 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | N 15 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 17 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NE 8 | NE 8 | ENE 5 | NE 8 | NE 8 | ENE 5 | ENE 6 | — | NNE 8 | — | NNE 9 | NNE 9 | — | NNE 9 | ENE 4 | E 4 | NE 9 | ENE 5 | E 5 | NE 6 | ENE 5 |
| kJ | 135 | 219 | 50 | 165 | 167 | 87 | 108 | — | 193 | — | 141 | 144 | — | 154 | 8 | 15 | 241 | 61 | 64 | 108 | 35 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 177 | 1993 | 488 | 419 | 1984 | 162 | 438 | 425 | 177 | 419 | 488 | 468 | 477 | 954 | 488 | 177 | 1924 | 162 | 1251 | 1924 | 167 |
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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