Surf Break

Lat Long: 18.45° N 64.63° W

Trunk Bay - Shark Bay 48 hour detailed Surf Forecast

Issued: 7 am 18 Oct 2026 (local time)

Forecast update in  hr  min

Today's Trunk Bay - Shark Bay sea temperature is
29.9°C
1.4° 

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 (18 Oct):

  • Morning surf: Morning surf (18 Oct, local time) - 2.5ft (0.7m), 9s period with NNE swell.
  • Afternoon surf: Afternoon surf (18 Oct, local time) - 2ft (0.6m), 9s period with N swell.
  • Evening surf: Evening surf (18 Oct, local time) - 1.5ft (0.5m), 9s period with N swell.

The current surf forecast for Trunk Bay - Shark Bay at 3PM is: 0.6m 9s primary swell from a North direction and 0.3m 6s secondary swell from a East-northeast direction (forecast issued at 07:00am October 18). The wind direction is predicted to be cross-offshore.

Time (AST) & DateWave HeightWave Period
Morning (18 Oct)2.5ft (0.7m)9s
Afternoon (18 Oct)2ft (0.6m)9s
Evening (18 Oct)1.5ft (0.5m)9s

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


Short Range Forecast

Light rain (total 7mm), mostly falling on Sun morning. Warm (max 28°C on Sun morning, min 27°C on Sun morning). Wind will be generally light.

Sunday
18
Monday
19
Tuesday
20
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)
1
1
1
1
0
0
0
1
1
0
0
1
0
0
0
2
0
1
2
1
1
2
2
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)
0.7
NNE
9
0.7
NNE
9
0.6
NNE
9
0.6
N
9
0.5
N
9
0.5
N
9
0.5
N
9
0.4
N
12
0.6
N
12
0.6
N
10
0.5
N
10
0.6
N
10
0.6
N
9
0.6
N
9
0.4
NW
16
0.7
NW
15
0.9
NW
14
1.1
NW
13
1.2
NW
13
1.2
NW
12
1.2
NNW
12
1.2
NNW
12
1.1
NNW
11
Wave Graph
Metric surfscale
Energy kJ
86
84
59
54
38
39
39
42
93
73
51
65
58
57
64
232
346
412
479
435
384
359
307
Wind (km/h)
10
ESE
10
ESE
15
ESE
10
ESE
10
E
15
E
15
ESE
15
ESE
15
ESE
15
E
15
ESE
15
ESE
15
ESE
15
E
15
E
15
ESE
15
E
15
E
20
ESE
15
SE
15
SE
15
ESE
15
ESE
Wind State
cross-off
cross-off
cross-off
cross-off
cross
cross
cross-off
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
2:26PM0.42m
1:55AM0.26m
3:14PM0.41m
3:05AM0.28m
4:00PM0.41m
Low Tide
6:51AM0.11m
9:39PM0.20m
7:54AM0.14m
10:20PM0.20m
9:06AM0.16m
10:53PM0.19m
thunderstorm
thunderstorm
clear
clear
clear
clear
clear
thunderstorm
clear
clear
thunderstorm
clear
clear
clear
clear
thunderstorm
thunderstorm
clear
clear
clear
thunderstorm
clear
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:11
—
—
—
—
—
—
—
6:13
—
—
—
—
—
—
—
6:13
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
5:53
—
—
—
—
—
—
—
5:52
—
—
—
—
—
—
—
5:52
—
—
 mm
1
1
—
—
—
—
—
1
—
—
1
—
—
—
—
1
1
—
—
—
1
—
1
Temp °C
28
27
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
Feels °C
31
30
31
31
31
30
30
30
31
30
30
31
30
30
30
31
30
30
30
30
30
30
31
  • 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
How to use the Wavefinder 

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