Backdoor Surf Break

Backdoor Surf Forecast and Surf Report

Lat Long: 23.93° S 35.53° E

Issued: 1 pm 18 Jun 2026 (local time)

Forecast update in  hr  min

Today's Backdoor sea temperature is
25.6° C

1.4°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 18 Jun 2026:

  • Best quality surf: Friday 19 Jun, 2AM (local time) - 4.5ft (1.3m), 16s period, SSW swell with cross-offshore winds.
  • Most powerful swell: Sunday 21 Jun, 2AM (local time) - 7ft (2.2m), 12s period, S swell with 1,486 kJ wave energy.
  • Next surfable swell (1★+): Friday 19 Jun, 2AM (local time) - 4.5ft (1.3m), 16s period with SSW 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 Friday (Jun 19) at 2AM. The primary swell is predicted to be 1.3m and 16s period with a secondary swell of 0.7m and 6s. 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 2.2m 12s and forecast to arrive on Sunday (Jun 21) at 2AM. Winds are predicted to be onshore at the time the swell arrives.

Wave TypeTime (CAT) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Fri 19th Jun)4.5ft (1.3m) 16s
Best Surf 2AM (Fri 19th Jun)4.5ft (1.3m) 16s
Most Powerful 2AM (Sun 21st Jun)7ft (2.2m) 12s

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 7mm), mostly falling on Fri night. Warm (max 24°C on Thu afternoon, min 21°C on Fri morning). Winds increasing (calm on Fri morning, fresh winds from the SE by Sat morning).

Days 5-7 Weather Summary

Light rain (total 2mm), mostly falling on Mon morning. Warm (max 22°C on Sun afternoon, min 21°C on Sun night). Wind will be generally light.

Thu
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
0
3
3
0
0
0
0
0
0
0
0
0
1
1
0
2
2
1
0
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
SSW
13
1.3
SSW
16
1.6
SSW
14
1.5
SSW
13
1
SSW
13
1.1
SSW
14
2.1
SSE
8
2.2
S
12
1.7
S
12
1.6
S
12
1.3
S
11
1.2
SSE
10
1.3
SSE
10
1.2
SSE
10
0.8
SSW
18
0.9
SSW
18
0.9
SSW
16
0.6
SSW
16
1.1
SE
8
0.9
SE
8
0.5
S
12
Wave Graph
Metric surfscale
Energy kJ
282
839
953
724
345
482
541
1486
819
678
396
312
307
269
437
510
454
188
165
93
75
Wind (km/h)
15
NE
10
NNE
0
SSW
15
SSE
30
SSE
30
SE
30
SE
25
ESE
20
ESE
20
ESE
15
ESE
20
ESE
15
ESE
10
SSE
15
SE
10
ESE
10
ESE
10
E
10
E
5
ENE
5
ESE
Wind State
cross
cross-off
glassy
cross-on
on
on
on
on
on
cross-on
cross-on
on
on
on
on
cross-on
on
cross-on
cross-on
cross
glassy
High Tide
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
11:29AM1.87m
00:13AM1.93m
12:42PM1.92m
Low Tide
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
5:19AM0.97m
5:51PM0.91m
6:32AM0.93m
clear
clear
part cloud
clear
rain showers
light rain
cloud
part cloud
rain showers
part cloud
part cloud
light rain
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:18
6:18
6:18
6:20
6:20
6:20
6:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
4:58
4:58
4:59
4:59
4:59
4:59
5:00
5:00
 mm
4
2
1
1
1
Temp °C
24
24
24
23
23
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
Feels °C
23
23
26
21
22
17
17
16
19
19
19
21
21
21
21
22
22
22
22
22
23
Swell 1
Height (m)
Direction
Period (s)
0.9
SSW
13
1.3
SSW
16
1.6
SSW
14
1.5
SSW
13
1
SSW
13
0.7
SSW
14
1.1
S
13
2.2
S
12
1.7
S
12
1.6
S
12
1.3
S
11
1.2
E
7
1.3
SSE
10
1.2
SSE
10
1
SSE
9
1.3
SE
9
1.3
SE
9
1.1
SE
8
1.1
SE
8
0.9
SE
8
0.7
SE
8
Energy kJ
282
839
953
724
345
210
427
1486
819
678
396
159
307
269
184
260
249
154
151
93
67
Swell 2
Height (m)
Direction
Period (s)
0.6
S
16
0.7
E
6
0.6
E
6
0.4
ESE
6
0.4
SSW
16
1.1
SSW
14
0.4
SE
7
0.2
SSE
14
1.2
SSE
10
1.2
E
8
1.1
E
8
0.9
ESE
8
0.9
SSW
18
0.9
SSW
16
0.6
SSW
16
0.6
SSW
14
0.5
SSW
13
0.5
S
12
Energy kJ
186
33
27
11
94
465
12
18
312
168
153
105
510
454
188
165
90
75
Swell 3
Height (m)
Direction
Period (s)
0.6
E
6
0.2
SSE
11
0.3
SSE
9
0.2
SSE
14
0.1
S
17
0.3
SSW
16
0.4
SSW
15
0.8
SSW
18
0.1
SE
12
0.3
SSE
9
0.2
ESE
11
0.2
ESE
13
0.4
SE
12
Energy kJ
27
11
16
18
5
50
77
437
6
16
13
18
38
Wind waves
Height (m)
Direction
Period (s)
0.4
SSW
3
1.6
SSE
6
2.1
SSE
7
2.1
SSE
8
1.1
E
6
1.2
E
6
1.1
E
7
1.3
E
7
Energy kJ
3
172
482
541
86
119
104
161
Nearest Offshore or Glassy
Rating
(10 max)
2
3
3
3
4
4
3
3
2
1
3
2
2
2
1
2
2
1
1
1
1
Distance (km)
17
0
0
848
641
641
1498
443
781
797
17
131
17
7
15
17
17
17
17
17
0
Best forecast wave conditions in Inhambane
Rating
(10 max)
2
4
3
3
2
2
3
2
2
2
2
1
1
1
Best forecast wave conditions in Mozambique
Rating
(10 max)
2
4
3
3
2
2
3
2
2
2
2
1
1
1
Header Global
Rating
(10 max)
9
5
6
5
7
5
5
4
9
4
7
6
7
5
5
5
5
6
7
5
5
  • 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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