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Back Door Surf Forecast
/ Bahia – Sul (17 surf breaks) /
Back Door surfForecast / Bahia – Sul / Brazil
12 Day Weather and Surf, issued 8 pm Sunday 25 May 2025 -03
Best Forecast Surf Conditions for Back Door this week:
The surf forecast for Back Door over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (May 27) at 6AM. The primary swell is predicted to be 3ft and 9s period with a secondary swell of 3ft and 8s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Back Door in the next 12 days are 7ft 9s and forecast to arrive on Friday (May 30) at 12AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0ft 9s period and expected on Wednesday (May 28) at 3PM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Tue 27th May) | 2.5ft (0.8m) 9s |
| Best Surf | 12AM (Fri 30th May) | 7ft (2.2m) 9s |
| Most Powerful | 12AM (Fri 30th May) | 7ft (2.2m) 9s |
Table - best surf conditions forecast for Back Door over the next 12 days.
Monday 26 | Tuesday 27 | Wednesday 28 | Thursday 29 | Friday 30 | Saturday 31 | Sunday 01 | Monday 02 | Tuesday 03 | Wednesday 04 | Thursday 05 | Fri 06 | |||||||||||||||||||||||||
| Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  |  |  |  |  |  | |||||||||||||||||||||||
| Wave Height (ft) & direction (?) | ||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 9 | 9 | 9 | 10 | 10 | 9 | 9 | 8 | 8 | 9 | 9 | 10 | 11 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||
| Energy (?) | 69 | 63 | 94 | 92 | 125 | 161 | 255 | 220 | 307 | 302 | 336 | 203 | 831 | 490 | 551 | 448 | 461 | 386 | 337 | 276 | 265 | 202 | 151 | 113 | 113 | 72 | 107 | 105 | 124 | 97 | 186 | 163 | 163 | 138 | 146 | 177 |
Wind (mph) | ||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- on | cross- on | cross- off | cross- on | cross | cross | on | on | cross- on | cross- on | cross- on | glass | on | glass | glass | on | glass | glass | on | glass | glass | cross- on | cross | cross | cross | cross | cross | cross- on | cross- on | on | on | on | glass | cross- on |
High Tide / height (ft) | 2:27AM 6.59 | 2:57PM 6.76 | 3:11AM 6.59 | 3:46PM 6.63 | 3:56AM 6.5 | 4:35PM 6.33 | 4:41AM 6.33 | 5:25PM 5.97 | 5:29AM 6.07 | 6:17PM 5.54 | 6:20AM 5.77 | 7:12PM 5.18 | 7:16AM 5.48 | 8:12PM 4.92 | 8:18AM 5.25 | 9:16PM 4.79 | 9:24AM 5.12 | 10:19PM 4.82 | 10:30AM 5.09 | 11:15PM 4.95 | 11:30AM 5.15 | 12:03AM 5.15 | 12:21PM 5.28 | |||||||||||||
Low Tide / height (ft) | 8:42AM 0.1 | 9:07PM 0.59 | 9:29AM 0 | 9:52PM 0.82 | 10:16AM 0.07 | 10:38PM 1.12 | 11:06AM 0.3 | 11:25PM 1.48 | 11:58AM 0.69 | 12:15AM 1.84 | 12:56PM 1.08 | 1:11AM 2.13 | 1:59PM 1.48 | 2:16AM 2.36 | 3:05PM 1.74 | 3:26AM 2.43 | 4:09PM 1.84 | 4:32AM 2.33 | 5:06PM 1.84 | 5:28AM 2.13 | 5:55PM 1.77 | 6:16AM 1.87 | ||||||||||||||
Monday 26 | Tuesday 27 | Wednesday 28 | Thursday 29 | Friday 30 | Saturday 31 | Sunday 01 | Monday 02 | Tuesday 03 | Wednesday 04 | Thursday 05 | Fri 06 | |||||||||||||||||||||||||
| Sunrise | - | 5:52 | - | - | 5:52 | - | - | 5:52 | - | - | 5:52 | - | - | 5:54 | - | - | 5:54 | - | - | 5:54 | - | - | 5:54 | - | - | 5:54 | - | - | 5:54 | - | - | 5:56 | - | - | 5:56 | - |
| Sunset | - | - | 5:13 | - | - | 5:12 | - | - | 5:12 | - | - | 5:12 | - | - | 5:12 | - | - | 5:12 | - | - | 5:12 | - | - | 5:12 | - | - | 5:12 | - | - | 5:12 | - | - | 5:12 | - | - | 5:12 |
 |  |  | | | |  | |  |  | | | | | | | | | | | |  | | | |  | | | | | | | | | | | |
Rain (in) | - | - | - | - | - | - | - | - | 0.2 | 0.7 | - | - | - | - | - | - | - | - | 0.1 | - | - | 0.1 | 0.0 | 0.0 | 0.2 | 0.0 | 0.1 | 0.3 | 0.0 | 0.1 | 0.0 | 0.1 | - | 0.1 | 0.1 | 0.1 |
| Temp. °F | 73 | 77 | 77 | 77 | 79 | 79 | 75 | 79 | 79 | 79 | 81 | 81 | 77 | 81 | 79 | 77 | 81 | 81 | 79 | 81 | 79 | 77 | 79 | 79 | 75 | 77 | 77 | 73 | 77 | 77 | 75 | 81 | 79 | 79 | 79 | 79 |
| Feels °F (?) | 75 | 79 | 79 | 79 | 81 | 81 | 79 | 82 | 82 | 81 | 81 | 82 | 82 | 82 | 81 | 82 | 84 | 86 | 86 | 86 | 84 | 82 | 86 | 84 | 79 | 79 | 81 | 79 | 81 | 81 | 79 | 84 | 82 | 84 | 84 | 82 |
Short Range Forecast: Light rain (total 0.2in), mostly falling on Wed afternoon. Warm (max 79°F on Tue morning, min 70°F on Sun night). Wind will be generally light. | Days 3-6 Weather Summary Moderate rain (total 0.7in), heaviest on Wed night. Warm (max 81°F on Thu morning, min 73°F on Fri night). Wind will be generally light. | Days 6-9 Weather Summary Moderate rain (total 0.6in), heaviest on Mon night. Warm (max 81°F on Sun morning, min 72°F on Mon night). Wind will be generally light. | Long Range Forecast: Heavy rain (total 0.9in), heaviest during Tue night. Warm (max 81°F on Thu morning, min 72°F on Tue night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
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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 Back Door 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 Back Door Surf forecast
The above surf forecast table for Back Door provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Back Door can be found by selecting the local surf guide option on the grey menu. Our Back Door 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 (Back Door) 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 Back Door 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.
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