Backdoor Surf Break

Lat Long: 23.93° S 35.53° E

Backdoor Surf Forecast and Surf Report

Issued: 1 pm 15 Aug 2026 (local time)

Forecast update in  hr  min

Today's Backdoor sea temperature is
23.1° 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 15 Aug 2026:

  • Best quality surf: Saturday 22 Aug, 11AM (local time) - 4ft (1.2m), 16s period, SSW swell with cross-offshore winds.
  • Most powerful swell: Saturday 22 Aug, 5PM (local time) - 5ft (1.6m), 14s period, S swell with 1,072 kJ wave energy.
  • Next surfable swell (1★+): Thursday 20 Aug, 8AM (local time) - 2.5ft (0.8m), 7s period with ESE 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 Thursday (Aug 20) at 8AM. The primary swell is predicted to be 0.8m and 7s period with a secondary swell of 0.3m and 15s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Backdoor in the next 16 days are 1.6m 14s and forecast to arrive on Saturday (Aug 22) at 5PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Thursday (Aug 20) at 8PM.

Wave TypeTime (CAT) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Thu 20th Aug)2.5ft (0.8m) 7s
Best Surf11AM (Sat 22nd Aug)4ft (1.2m) 16s
Most Powerful 5PM (Sat 22nd Aug)5ft (1.6m) 14s

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


Short Range Forecast

Mostly dry. Warm (max 22°C on Sun morning, min 20°C on Sat afternoon). Mainly fresh winds.

Days 5-7 Weather Summary

Mostly dry. Warm (max 22°C on Tue afternoon, min 20°C on Wed night). Wind will be generally light.

Sat
15
Sunday
16
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
2
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.9
SE
10
1.9
SE
10
2.1
SE
10
2.2
SE
10
2
SE
10
1.6
SE
9
1.6
SE
9
1.3
SE
8
1.2
SE
8
1.2
SE
8
1.2
ESE
8
1
ESE
8
0.9
ESE
8
0.9
ESE
8
0.4
SSW
15
0.5
SSW
14
0.6
SSW
15
0.5
SSW
13
0.8
SSW
15
0.7
SSW
15
Wave Graph
Metric surfscale
Energy kJ
709
709
893
962
697
421
367
256
211
201
166
117
88
81
92
118
181
96
270
231
Wind (km/h)
25
S
20
S
25
S
25
S
20
SSW
25
SSE
20
S
15
SSE
15
ESE
15
SE
20
SE
15
ESE
10
E
15
ENE
15
NE
15
NE
10
NNE
15
SE
15
SE
10
ENE
Wind State
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
on
on
on
on
cross-on
cross-on
cross
cross
cross
cross-off
on
on
cross
High Tide
5:30PM2.89m
5:41AM2.77m
6:00PM2.77m
6:11AM2.64m
6:29PM2.58m
6:40AM2.46m
6:58PM2.36m
7:09AM2.24m
7:28PM2.11m
7:40AM2.00m
8:03PM1.85m
8:23AM1.75m
9:09PM1.61m
Low Tide
11:39PM0.08m
11:51AM0.03m
00:09AM0.20m
12:21PM0.19m
00:37AM0.37m
12:51PM0.40m
1:05AM0.57m
1:20PM0.63m
1:34AM0.80m
1:53PM0.88m
2:10AM1.04m
2:46PM1.13m
3:43AM1.25m
clear
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:03
6:03
6:01
6:01
6:00
5:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:20
5:21
5:21
5:21
5:22
5:22
5:22
 mm
Temp °C
21
21
22
22
20
22
22
21
22
22
22
22
22
21
21
22
21
21
21
21
Feels °C
17
19
18
17
18
20
20
21
23
23
22
22
23
21
21
22
21
21
21
21
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
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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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