Josiahs Bay Surf Break

Lat Long: 18.45° N 64.59° W

Josiahs Bay 48 hour detailed Surf Forecast

Issued: 7 pm 19 Aug 2026 (local time)

Forecast update in  hr  min

Today's Josiahs Bay sea temperature is
29.1° C
0.6° 

Josiahs 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 Josiahs Bay today (20 Aug):

  • Morning surf: Morning surf (20 Aug, local time) - 0.5ft (0.2m), 7s period with NNE swell.
  • Afternoon surf: Afternoon surf (20 Aug, local time) - 0.5ft (0.2m), 8s period with NNE swell.
  • Evening surf: Evening surf (20 Aug, local time) - 0.5ft (0.2m), 7s period with NNE swell.

The current surf forecast for Josiahs Bay at 4AM is: 0.3m 8s primary swell from a North-northeast direction and 0.1m 14s secondary swell from a East direction (forecast issued at 07:00pm August 19). An open ocean swell of 1.2m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (AST) & DateWave HeightWave Period
Morning (20 Aug)0.5ft (0.2m)7s
Afternoon (20 Aug)0.5ft (0.2m)8s
Evening (20 Aug)0.5ft (0.2m)7s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Fri afternoon. Warm (max 28°C on Wed night, min 27°C on Wed night). Mainly fresh winds.

Wed
19
Thursday
20
Friday
21
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.2
N
7
0.3
NNE
8
0.3
NNE
8
0.3
NNE
8
0.3
NNE
8
0.2
NNE
7
0.2
E
13
0.2
NNE
8
0.2
NNE
7
0.2
NNE
7
0.2
NNE
7
0.2
NNE
7
0.2
NNE
7
0.2
NNE
7
0.3
NNE
8
0.2
NNE
8
0.8
E
8
1.1
E
8
0.3
NNE
8
Wave Graph
Metric surfscale
Energy kJ
4
11
11
11
11
5
14
7
5
5
5
5
5
5
13
6
82
138
11
Wind (km/h)
20
E
30
E
35
ESE
35
ESE
30
ESE
30
ESE
30
ESE
30
E
30
E
30
E
30
E
35
E
30
E
30
E
30
E
25
ENE
25
ENE
30
E
35
E
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
2:10PM0.42m
00:59AM0.28m
3:09PM0.41m
1:35AM0.26m
4:09PM0.41m
Low Tide
8:46PM0.22m
7:38AM0.06m
9:58PM0.22m
8:26AM0.06m
thunderstorm
clear
clear
clear
cloud
part cloud
part cloud
clear
part cloud
cloud
part cloud
cloud
part cloud
part cloud
clear
part cloud
thunderstorm
thunderstorm
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:01
6:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:42
6:42
6:40
 mm
1
1
1
Temp °C
28
28
28
27
27
27
27
28
28
28
28
27
27
27
28
28
28
28
27
Feels °C
30
28
27
25
26
26
27
28
27
27
28
26
26
26
28
28
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
How to use the Wavefinder 

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