Surf Break

Lat Long: 23.93° S 35.53° E

Backdoor Surf Forecast and Surf Report

Issued: 7 am 17 Oct 2026 (local time)

Forecast update in  hr  min

Today's Backdoor sea temperature is
25.4°C
1.0° 

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


Backdoor surf forecast from 17 Oct 2026:

  • Best quality surf: Friday 23 Oct, 8AM (local time) - 2.5ft (0.7m), 14s period, SSW swell with glassy winds.
  • Most powerful swell: Tuesday 20 Oct, 11PM (local time) - 8ft (2.4m), 11s period, S swell with 1,369 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 20 Oct, 2AM (local time) - 3ft (0.9m), 7s period with ENE 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 (Oct 20) at 2AM. The primary swell is predicted to be 0.9m and 7s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Backdoor in the next 16 days are 2.4m 11s and forecast to arrive on Tuesday (Oct 20) at 11PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.0m 6s period and expected on Monday (Oct 19) at 8PM.

Wave TypeTime (CAT) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Tue 20th Oct)3ft (0.9m) 7s
Best Surf 8AM (Fri 23rd Oct)2.5ft (0.7m) 14s
Most Powerful11PM (Tue 20th Oct)8ft (2.4m) 11s

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


Short Range Forecast

Mostly dry. Warm (max 27°C on Sun morning, min 24°C on Sat morning). Winds decreasing (strong winds from the NNE on Mon afternoon, light winds from the WSW by Mon night).

Days 4-6 Weather Summary

Mostly dry. Warm (max 26°C on Thu morning, min 23°C on Tue afternoon). Winds decreasing (fresh winds from the S on Tue afternoon, calm by Thu night).

Saturday
17
Sunday
18
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
AM
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
0
0
0
0
1
0
0
0
0
0
0
0
0
1
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1
ESE
9
0.9
ESE
9
0.9
ESE
9
1
ESE
9
0.9
ESE
9
0.6
ESE
8
0.4
SSW
14
0.4
SSW
15
0.9
ENE
7
1.1
SSW
12
2.3
S
11
2.2
S
11
1.2
SSW
11
1.1
S
11
0.9
S
10
0.9
S
10
0.8
S
10
0.7
SSE
10
0.8
SSW
13
0.8
SSW
12
2.4
SSE
8
Wave Graph
Metric surfscale
Energy kJ
158
137
106
151
106
51
82
71
83
341
1253
1158
356
275
161
156
127
102
189
156
709
Wind (km/h)
20
NE
25
NE
25
N
25
NE
30
NNE
30
NNE
35
NNE
40
NNE
15
NW
25
S
35
S
20
SE
15
ESE
20
ENE
20
NNE
30
NNE
30
NNE
15
NNE
15
ESE
45
SSE
40
SSE
Wind State
cross
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
off
cross-on
cross-on
on
cross-on
cross-on
cross-off
cross-off
cross-off
cross-off
on
on
on
High Tide
6:46PM1.91m
7:09AM1.82m
7:36PM1.68m
8:43AM1.62m
10:38PM1.56m
12:05PM1.70m
00:40AM1.76m
1:05PM1.95m
1:22AM2.00m
1:40PM2.21m
1:54AM2.24m
2:11PM2.45m
2:24AM2.46m
Low Tide
12:39PM0.84m
00:54AM0.95m
1:22PM1.09m
1:56AM1.17m
3:48PM1.27m
5:27AM1.21m
6:32PM1.12m
6:49AM0.99m
7:18PM0.88m
7:28AM0.75m
7:51PM0.64m
8:00AM0.50m
8:20PM0.42m
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
rain showers
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:03
—
—
5:01
—
—
5:01
—
—
5:00
—
—
5:00
—
—
4:58
—
—
4:58
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
5:43
—
—
5:44
—
—
5:44
—
—
5:44
—
—
5:45
—
—
5:45
—
—
5:45
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 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1
3
Temp °C
26
26
24
27
26
25
26
26
25
25
24
23
24
24
25
26
26
25
26
26
23
Feels °C
24
24
22
26
24
24
23
23
23
27
22
21
25
25
25
25
25
24
30
25
19
  • 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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