Surf Break

Lat Long: 23.93° S 35.53° E

Backdoor Surf Forecast and Surf Report

Issued: 7 pm 27 Sep 2026 (local time)

Forecast update in  hr  min

Today's Backdoor sea temperature is
25.0°C
1.2° 

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


Backdoor surf forecast from 27 Sep 2026:

  • Best quality surf: Monday 28 Sep, 2AM (local time) - 2.5ft (0.8m), 14s period, SSW swell with cross-offshore winds.
  • Most powerful swell: Wednesday 30 Sep, 2PM (local time) - 6.5ft (2.0m), 11s period, SSE swell with 920 kJ wave energy.
  • Next surfable swell (1★+): Monday 28 Sep, 2AM (local time) - 2.5ft (0.8m), 14s 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 Monday (Sep 28) at 2AM. The primary swell is predicted to be 0.8m and 14s period with a secondary swell of 0.6m and 7s. 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 2.0m 11s and forecast to arrive on Wednesday (Sep 30) 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 0.8m 5s period and expected on Monday (Sep 28) at 2AM.

Wave TypeTime (CAT) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Mon 28th Sep)2.5ft (0.8m) 14s
Best Surf 2AM (Mon 28th Sep)2.5ft (0.8m) 14s
Most Powerful 2PM (Wed 30th Sep)6.5ft (2.0m) 11s

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


Short Range Forecast

Light rain (total 4mm), mostly falling on Mon night. Warm (max 25°C on Mon morning, min 21°C on Mon night). Winds increasing (calm on Sun night, strong winds from the SE by Mon night).

Days 5-7 Weather Summary

Heavy rain (total 36mm), heaviest during Fri night. Warm (max 22°C on Thu afternoon, min 20°C on Wed night). Winds decreasing (fresh winds from the SE on Thu morning, light winds from the SE by Fri night).

Monday
28
Tuesday
29
Wednesday
30
Thursday
1
Friday
2
Saturday
3
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
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)
0.8
SSW
14
0.7
SSW
13
0.6
SSW
13
2.4
SSE
8
1.6
SE
7
1.2
SSW
11
1.4
SSW
11
1.5
S
11
2.1
SSE
7
1.2
S
11
1.5
S
10
1.7
S
12
1.4
SSE
11
1.2
SSE
11
1.6
ESE
8
2.1
ESE
9
1.8
ESE
9
1.7
ESE
9
1.7
ESE
9
Wave Graph
Metric surfscale
Energy kJ
258
187
131
672
240
370
495
545
363
332
426
827
495
337
361
691
523
454
497
Wind (km/h)
10
NNE
15
ESE
30
SSE
35
SE
25
SE
30
SE
30
SSE
35
SE
30
SSE
30
SE
30
SE
25
SE
20
SE
20
ESE
15
ESE
10
SSE
10
SE
15
SSE
15
SSE
Wind State
cross-off
on
on
on
on
on
on
on
cross-on
on
on
on
on
cross-on
cross-on
on
on
on
cross-on
High Tide
4:21AM2.88m
4:38PM2.94m
4:49AM2.87m
5:07PM2.86m
5:19AM2.77m
5:38PM2.69m
5:52AM2.60m
6:12PM2.45m
6:28AM2.36m
6:51PM2.16m
7:13AM2.07m
7:45PM1.85m
Low Tide
10:17PM-0.03m
10:29AM-0.11m
10:46PM-0.02m
10:59AM-0.07m
11:15PM0.06m
11:30AM0.05m
11:46PM0.22m
12:04PM0.26m
00:20AM0.45m
12:43PM0.54m
1:01AM0.72m
1:35PM0.86m
2:06AM1.01m
clear
clear
part cloud
thunderstorm
light rain
part cloud
part cloud
cloud
cloud
mod rain
light rain
light rain
rain showers
rain showers
light rain
rain showers
thunderstorm
rain showers
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
5:20
—
—
5:20
—
—
5:18
—
—
5:18
—
—
5:16
—
—
5:16
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:35
—
5:35
—
—
5:36
—
—
5:36
—
—
5:36
—
—
5:37
—
—
5:37
—
 mm
—
—
—
3
1
—
—
—
—
7
2
1
2
3
3
12
5
1
—
Temp °C
24
25
24
22
22
22
22
22
22
21
21
22
21
21
22
22
22
22
22
Feels °C
23
26
23
18
19
18
18
16
17
17
16
18
17
20
21
22
22
22
22
  • 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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