Trunk Bay - Shark Bay Surf Break

Lat Long: 18.45° N 64.63° W

Trunk Bay - Shark Bay 48 hour detailed Surf Forecast

Issued: 1 am 12 Aug 2026 (local time)

Forecast update in  hr  min

Today's Trunk Bay - Shark Bay sea temperature is
28.8° C
0.4° 

Trunk Bay - Shark Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Trunk Bay - Shark Bay today (12 Aug):

  • Morning surf: Morning surf (12 Aug, local time) - 1ft (0.3m), 6s period with NNE swell.
  • Afternoon surf: Afternoon surf (12 Aug, local time) - 0.5ft (0.2m), 8s period with NNE swell.
  • Evening surf: Evening surf (12 Aug, local time) - 0.5ft (0.2m), 8s period with NNE swell.

The current surf forecast for Trunk Bay - Shark Bay at 5AM is: 0.3m 8s primary swell from a North-northeast direction and 0.3m 5s secondary swell from a North-northeast direction (forecast issued at 01:00am August 12). An open ocean swell of 0.9m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (AST) & DateWave HeightWave Period
Morning (12 Aug)1ft (0.3m)6s
Afternoon (12 Aug)0.5ft (0.2m)8s
Evening (12 Aug)0.5ft (0.2m)8s

Table - waves today at Trunk Bay - Shark Bay. (Swell directed towards the surf break)


Short Range Forecast

Light rain (total 2mm), mostly falling on Wed afternoon. Warm (max 28°C on Wed morning, min 27°C on Thu morning). Mainly strong winds.

Wednesday
12
Thursday
13
Friday
14
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1
E
6
0.3
NNE
8
0.3
NNE
6
0.2
NNE
8
0.2
NNE
8
0.2
NNE
8
0.2
NNE
8
0.2
NNE
8
0.2
NNE
8
0.2
NNE
8
0.2
NNE
8
0.2
NNE
8
0.2
NNE
8
0.2
NNE
8
0.2
N
8
0.1
N
13
0.2
N
12
1.5
E
7
1.6
E
6
1.5
E
7
1.4
E
7
1.3
E
5
1.4
E
5
1.5
E
5
Wave Graph
Metric surfscale
Energy kJ
68
13
6
6
6
7
7
7
7
7
7
6
6
6
4
3
12
202
209
208
209
85
102
129
Wind (km/h)
25
ESE
30
ESE
30
ESE
30
ESE
30
E
30
E
35
E
35
E
35
ESE
40
ESE
45
ESE
40
ESE
35
ESE
35
E
40
E
40
E
40
E
35
E
35
E
35
E
25
E
30
ENE
35
ENE
40
ENE
Wind State
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
High Tide
7:23AM0.33m
8:50PM0.53m
8:28AM0.37m
9:33PM0.51m
9:30AM0.40m
10:12PM0.47m
Low Tide
2:32AM0.19m
1:39PM0.01m
3:10AM0.17m
2:38PM0.04m
3:47AM0.15m
3:36PM0.08m
part cloud
part cloud
clear
clear
thunderstorm
thunderstorm
part cloud
part cloud
cloud
cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
cloud
cloud
cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:58
5:58
5:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:46
6:46
6:45
 mm
1
1
Temp °C
28
28
28
28
28
28
28
28
28
28
27
27
27
28
27
27
27
27
27
27
28
28
28
27
Feels °C
29
28
28
28
28
28
28
27
27
27
24
24
25
27
25
25
24
25
25
25
27
28
27
25
  • 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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