Backdoor Surf Break

Backdoor Surf Forecast and Surf Report

Lat Long: 23.93° S 35.53° E

Issued: 1 am 17 Jun 2026 (local time)

Forecast update in  hr  min

Today's Backdoor sea temperature is
25.5° C

1.3°C warmer than normal for this time of year

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


Backdoor surf forecast from 17 Jun 2026:

  • Best quality surf: Thursday 18 Jun, 11PM (local time) - 4.5ft (1.3m), 16s period, SSW swell with glassy winds.
  • Most powerful swell: Saturday 20 Jun, 11PM (local time) - 10ft (3.0m), 13s period, S swell with 2,681 kJ wave energy.
  • Next surfable swell (1★+): Thursday 18 Jun, 8AM (local time) - 2.5ft (0.8m), 14s 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 Thursday (Jun 18) at 8AM. The primary swell is predicted to be 0.8m and 14s period with a secondary swell of 0.8m and 11s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Backdoor in the next 16 days are 3.0m 13s and forecast to arrive on Saturday (Jun 20) at 11PM. Winds are predicted to be onshore at the time the swell arrives.

Wave TypeTime (CAT) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Thu 18th Jun)2.5ft (0.8m) 14s
Best Surf11PM (Thu 18th Jun)4.5ft (1.3m) 16s
Most Powerful11PM (Sat 20th Jun)10ft (3.0m) 13s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 4mm), mostly falling on Fri night. Warm (max 23°C on Wed morning, min 20°C on Fri morning). Winds increasing (calm on Thu night, fresh winds from the SSE by Fri night).

Days 4-6 Weather Summary

Light rain (total 4mm), mostly falling on Sat morning. Warm (max 23°C on Sat morning, min 21°C on Sat night). Winds decreasing (fresh winds from the SSE on Sat morning, calm by Mon night).

Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
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
1
2
0
3
2
0
0
0
0
0
0
0
0
0
1
2
1
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
S
11
0.9
SSW
11
0.7
S
15
1.1
SSW
14
0.9
SSW
13
1.3
SSW
16
1.6
SSW
14
1.5
SSW
13
1.1
SSW
13
2.2
SSE
8
2.5
S
12
2.5
SSE
13
1.9
S
12
1.5
SSE
12
1.5
S
11
1.5
SSE
10
1.4
SSE
10
1.3
SSE
10
1.2
SSE
9
1.3
SE
9
0.9
SE
9
Wave Graph
Metric surfscale
Energy kJ
260
187
224
507
282
839
953
724
411
540
1903
2008
1005
559
524
451
402
320
236
294
135
Wind (km/h)
10
ESE
15
ESE
5
SE
5
E
10
ESE
5
WSW
10
S
20
SSE
25
SSE
30
SE
30
SE
25
ESE
20
ESE
20
ESE
20
ESE
20
ESE
15
ESE
5
ESE
5
ESE
10
ESE
10
SE
Wind State
on
on
on
cross-on
cross-on
glassy
cross-on
cross-on
cross-on
on
on
on
cross-on
cross-on
on
cross-on
on
glassy
on
cross-on
on
High Tide
5:23PM2.68m
5:45AM2.55m
6:09PM2.60m
6:29AM2.45m
6:56PM2.48m
7:14AM2.31m
7:46PM2.32m
8:04AM2.16m
8:40PM2.16m
9:01AM2.02m
9:43PM2.02m
10:10AM1.91m
10:57PM1.94m
Low Tide
11:11AM0.17m
11:38PM0.22m
11:56AM0.23m
00:23AM0.34m
12:41PM0.34m
1:10AM0.50m
1:29PM0.48m
2:00AM0.67m
2:21PM0.64m
2:56AM0.82m
3:21PM0.79m
4:03AM0.94m
4:33PM0.89m
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
light rain
cloud
cloud
cloud
part cloud
rain showers
part cloud
part cloud
rain showers
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:18
6:18
6:18
6:18
6:18
6:20
6:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
4:58
4:58
4:58
4:59
4:59
4:59
4:59
 mm
4
1
1
2
Temp °C
23
23
23
23
23
23
23
23
23
23
23
22
22
22
22
23
22
22
22
22
22
Feels °C
23
23
23
24
23
22
23
21
21
18
18
17
19
19
18
20
20
21
22
21
21
Swell 1
Height (m)
Direction
Period (s)
1
S
11
0.9
SSW
11
0.8
SSW
11
1.1
SSW
14
0.9
SSW
13
1.3
SSW
16
1.6
SSW
14
1.5
SSW
13
1.1
SSW
13
0.8
SSW
14
2.5
S
12
2.5
SSE
13
1.9
S
12
1.5
SSE
12
1.5
S
11
1.5
SSE
10
1.4
SSE
10
1.3
SSE
10
1.2
SSE
9
1.3
SE
9
0.9
SE
9
Energy kJ
260
187
153
507
282
839
953
724
411
250
1887
2008
1005
559
524
451
402
320
236
294
135
Swell 2
Height (m)
Direction
Period (s)
0.5
ESE
6
0.5
ESE
6
0.7
S
15
0.5
E
6
0.6
S
16
0.7
E
6
0.6
E
6
0.5
E
6
0.4
SSW
16
0.9
SSW
11
0.3
SE
14
1.3
E
7
1.2
E
7
1
E
8
1
ESE
8
0.4
SE
13
0.7
E
8
Energy kJ
24
23
224
22
186
32
27
17
94
225
33
178
156
111
140
61
64
Swell 3
Height (m)
Direction
Period (s)
0.1
S
19
0.3
SSW
16
0.5
ESE
6
0.3
SSE
12
0.5
ESE
6
0.2
SSE
11
0.3
SSE
9
0.3
SE
15
0.1
S
16
0.2
SSW
16
0.4
SE
13
0.4
SSW
15
0.3
SSW
14
0.6
SE
12
Energy kJ
7
47
23
26
21
11
16
33
5
27
58
72
39
96
Wind waves
Height (m)
Direction
Period (s)
0.5
S
3
1
SSE
4
2.2
SSE
8
2.5
SSE
12
1.2
E
6
1.1
E
6
1.4
E
7
Energy kJ
5
40
540
1903
112
100
198
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
2
2
3
2
3
4
3
3
3
2
3
2
2
3
2
2
2
2
Distance (km)
641
755
7
6
17
0
7
1032
674
797
1498
443
443
1270
419
419
17
0
17
17
7
Best forecast wave conditions in Inhambane
Rating
(10 max)
2
3
2
4
3
2
2
3
2
2
2
2
Best forecast wave conditions in Mozambique
Rating
(10 max)
2
3
2
4
3
2
2
3
2
2
2
2
Header Global
Rating
(10 max)
4
5
5
5
8
6
6
7
4
7
5
5
8
4
7
5
5
5
5
5
7
  • 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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