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 30 Aug 2026 (local time)

Forecast update in  hr  min

Today's Trunk Bay - Shark Bay sea temperature is
29.6°C
0.9° 

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 (30 Aug):

  • Morning surf: Morning surf (30 Aug, local time) - 4.5ft (1.4m), 8s period with NE swell.
  • Afternoon surf: Afternoon surf (30 Aug, local time) - 5ft (1.5m), 10s period with NE swell.
  • Evening surf: Evening surf (30 Aug, local time) - 4.5ft (1.4m), 10s period with ENE swell.

The current surf forecast for Trunk Bay - Shark Bay at 7AM is: 1.4m 8s primary swell from a Northeast direction (forecast issued at 01:00am August 30). An open ocean swell of 0.5m 8s is not directed at the surf break, a second open ocean swell of 0.2m 5s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (AST) & DateWave HeightWave Period
Morning (30 Aug)4.5ft (1.4m)8s
Afternoon (30 Aug)5ft (1.5m)10s
Evening (30 Aug)4.5ft (1.4m)10s

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


Short Range Forecast

Heavy rain (total 24mm), heaviest during Sun afternoon. Warm (max 29°C on Sun afternoon, min 27°C on Sun night). Winds increasing (light winds from the E on Sun morning, strong winds from the SE by Sun night).

Sunday
30
Monday
31
Tuesday
1
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
1
1
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)
1.5
ENE
5
1.5
ENE
7
1.4
NE
8
1.5
NE
8
1.5
NE
10
1.4
NE
10
1.4
ENE
10
1
NE
9
0.1
N
11
0.7
NE
8
0.6
NE
8
0.6
NE
8
0.7
ENE
8
0.6
ENE
8
0.7
E
8
0.8
E
6
0.5
NE
8
0.8
E
5
0.8
E
5
0.4
NE
5
0.1
N
12
0.2
E
8
0.3
E
8
0.1
N
12
Wave Graph
Metric surfscale
Energy kJ
120
198
223
306
424
356
363
159
2
67
57
58
54
37
71
39
28
37
37
6
3
5
11
3
Wind (km/h)
35
NE
35
ENE
35
NE
10
E
30
SSE
35
SSE
35
ESE
35
SE
40
SE
35
SE
25
SE
20
ESE
25
SE
25
SE
25
ESE
30
E
25
E
25
E
30
E
25
ESE
25
ESE
25
E
25
E
25
E
Wind State
cross-on
cross-on
cross-on
cross
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross-off
cross-off
cross
cross-off
cross
High Tide
10:02AM0.43m
10:09PM0.40m
10:51AM0.45m
10:41PM0.37m
11:43AM0.46m
Low Tide
3:46AM0.14m
4:09PM0.15m
4:16AM0.11m
5:03PM0.16m
4:49AM0.08m
6:02PM0.18m
part cloud
thunderstorm
part cloud
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
cloud
cloud
part cloud
thunderstorm
cloud
cloud
thunderstorm
clear
clear
thunderstorm
thunderstorm
clear
clear
clear
part cloud
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:03
6:03
6:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:34
6:32
6:32
 mm
1
3
5
3
1
3
1
1
2
1
Temp °C
28
28
28
28
29
28
28
28
27
27
27
28
27
28
27
27
27
27
28
28
28
28
28
28
Feels °C
27
27
27
32
29
27
26
26
24
25
27
29
26
27
27
26
26
27
27
28
29
29
29
29
  • 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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