Devonport Rivermouth Surf Break

Lat Long: 41.16° S 146.36° E

Devonport Rivermouth 48 hour detailed Surf Forecast

Issued: 9 pm 19 Aug 2026 (local time)

Forecast update in  hr  min

Today's Devonport Rivermouth sea temperature is
12.8° C
0.5° 

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


How big are the waves at Devonport Rivermouth today (20 Aug):

  • Morning surf: Morning surf (20 Aug, local time) - 5ft (1.6m), 7s period with NNW swell.
  • Afternoon surf: Afternoon surf (20 Aug, local time) - 4.5ft (1.4m), 6s period with NW swell.
  • Evening surf: Evening surf (20 Aug, local time) - 3ft (0.9m), 6s period with NNW swell.

The current surf forecast for Devonport Rivermouth at 6AM is: 1.8m 7s primary swell from a North-northwest direction and 0.4m 6s secondary swell from a Northeast direction, 0.3m 7s secondary swell from a Northeast direction (forecast issued at 09:00pm August 19). The wind direction is predicted to be cross-shore.

Time (AEST) & DateWave HeightWave Period
Morning (20 Aug)5ft (1.6m)7s
Afternoon (20 Aug)4.5ft (1.4m)6s
Evening (20 Aug)3ft (0.9m)6s

Table - waves today at Devonport Rivermouth. (Swell directed towards the surf break)


Short Range Forecast

Light rain (total 8mm), mostly falling on Wed night. Very mild (max 14°C on Wed night, min 9°C on Thu night). Winds increasing (light winds from the W on Thu night, fresh winds from the W by Fri night).

Wed
19
Thursday
20
Friday
21
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
1
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)
1.5
N
6
1.7
N
6
1.8
NNW
7
1.8
NNW
7
1.7
NNW
7
1.5
NNW
7
1.5
NW
6
1.4
NW
6
1.1
NW
6
1.2
NW
6
0.9
NW
6
0.9
NW
5
0.9
NW
6
1.1
NW
6
1.3
NW
6
1.5
NW
6
1.4
NW
7
1.1
NW
7
Wave Graph
Metric surfscale
Energy kJ
156
228
315
299
262
205
181
143
89
99
44
42
52
75
141
175
178
111
Wind (km/h)
25
N
25
N
25
NNW
25
NW
20
NW
20
WNW
20
WNW
25
NW
15
WNW
10
W
10
W
10
WNW
15
WNW
20
W
25
WNW
20
W
20
W
20
W
Wind State
on
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross-off
cross-off
cross
cross
cross-off
cross
cross-off
cross-off
cross-off
High Tide
4:41PM3.20m
5:17AM3.08m
5:18PM3.18m
5:58AM3.04m
5:52PM3.15m
Low Tide
11:02PM0.64m
11:15AM1.01m
11:40PM0.67m
11:51AM1.11m
mod rain
light rain
rain showers
light rain
light rain
light rain
clear
cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:58
6:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:37
5:37
 mm
6
3
2
1
1
1
Temp °C
12
13
14
13
12
13
13
13
11
10
9
9
10
12
13
13
11
9
Feels °C
8
9
9
9
8
9
9
8
8
7
7
6
6
8
8
8
7
4
  • 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 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Devonport Rivermouth surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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