Backdoor Surf Break

Lat Long: 23.93° S 35.53° E

Backdoor Surf Forecast and Surf Report

Issued: 7 pm 23 Aug 2026 (local time)

Forecast update in  hr  min

Today's Backdoor sea temperature is
23.2°C
0.0° 

Backdoor surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Backdoor surf forecast from 23 Aug 2026:

  • Best quality surf: Wednesday 26 Aug, 5AM (local time) - 3.5ft (1.0m), 16s period, SSW swell with cross-offshore winds.
  • Most powerful swell: Thursday 27 Aug, 2PM (local time) - 7.5ft (2.3m), 17s period, S swell with 3,198 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 25 Aug, 5AM (local time) - 4.5ft (1.4m), 10s period with S swell.

Best Forecast Surf Conditions for Backdoor this week:

The surf forecast for Backdoor over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Aug 25) at 5AM. The primary swell is predicted to be 1.4m and 10s period with a secondary swell of 0.2m and 14s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Backdoor in the next 16 days are 2.3m 17s and forecast to arrive on Thursday (Aug 27) at 2PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 5s period and expected on Sunday (Aug 30) at 11PM.

Wave TypeTime (CAT) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Tue 25th Aug)4.5ft (1.4m) 10s
Best Surf 5AM (Wed 26th Aug)3.5ft (1.0m) 16s
Most Powerful 2PM (Thu 27th Aug)7.5ft (2.3m) 17s

Table - best surf conditions forecast for Backdoor over the next 16 days.


Short Range Forecast

Mostly dry. Warm (max 21°C on Sun night, min 19°C on Mon night). Winds decreasing (fresh winds from the S on Sun night, calm by Tue morning).

Days 5-7 Weather Summary

Some drizzle, heaviest during Thu afternoon. Warm (max 22°C on Thu morning, min 20°C on Wed night). Mainly fresh winds.

Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
1
0
0
1
0
2
2
0
0
0
0
0
0
1
1
0
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
3
S
11
2.1
S
11
1.8
S
10
1.5
S
10
1
SSE
10
1
SSE
10
0.9
SSW
16
1.1
SSW
18
1.3
SSW
16
1.3
SSW
18
2.2
S
18
2.2
S
16
1.8
SSW
14
1.7
S
13
1.4
S
13
1.2
S
13
1.9
ESE
8
2.1
ESE
9
1.9
ESE
9
Wave Graph
Metric surfscale
Energy kJ
2055
1011
674
443
205
179
437
781
844
1093
3071
2573
1402
1032
683
480
488
690
586
Wind (km/h)
25
SSE
20
SSE
20
SE
10
E
10
ENE
15
ENE
15
NE
15
ESE
20
SE
25
SE
25
SE
30
ESE
20
SE
20
ESE
20
SE
20
ESE
20
ESE
10
ESE
15
NE
Wind State
cross-on
on
on
cross-on
cross-on
cross-on
cross
cross-on
on
on
on
on
on
cross-on
on
cross-on
cross-on
cross-on
cross
High Tide
2:07AM1.82m
2:22PM1.96m
2:40AM2.06m
2:53PM2.21m
3:07AM2.29m
3:20PM2.44m
3:32AM2.49m
3:46PM2.63m
3:58AM2.65m
4:13PM2.78m
4:23AM2.76m
4:39PM2.87m
4:50AM2.81m
Low Tide
8:13AM0.93m
8:32PM0.79m
8:45AM0.69m
9:01PM0.57m
9:13AM0.47m
9:28PM0.38m
9:38AM0.28m
9:54PM0.22m
10:04AM0.12m
10:20PM0.11m
10:30AM0.02m
10:46PM0.05m
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
rain showers
cloud
cloud
part cloud
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:56
5:56
5:54
5:54
5:52
5:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:22
5:23
5:23
5:23
5:24
5:24
5:24
 mm
1
Temp °C
21
21
21
20
20
20
20
21
21
21
22
21
21
21
21
22
22
22
22
Feels °C
17
19
19
18
19
19
18
21
20
18
19
19
17
18
19
20
21
22
23
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Backdoor Surf forecast

The above surf forecast table for Backdoor provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Backdoor can be found by selecting the local surf guide option on the grey menu. Our Backdoor 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 (Backdoor) 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 Backdoor 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.

Backdoor is 15 km (9 miles) from the city of Inhambane. If you plan a holiday in Inhambane, look for hotels and other accommodation in Inhambane. Inhambane has rooms for a wide range of budgets as well as car hire and transport links.

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