Devonport Rivermouth Surf Break

Lat Long: 41.16° S 146.36° E

Devonport Rivermouth 48 hour detailed Surf Forecast

Issued: 3 am 21 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 (21 Aug):

  • Morning surf: Morning surf (21 Aug, local time) - 1ft (0.3m), 16s period with NW swell.
  • Afternoon surf: Afternoon surf (21 Aug, local time) - 4ft (1.2m), 6s period with NW swell.
  • Evening surf: Evening surf (21 Aug, local time) - 4.5ft (1.4m), 6s period with NW swell.

The current surf forecast for Devonport Rivermouth at 7AM is: 0.8m 5s primary swell from a Northwest direction and 0.3m 11s secondary swell from a Northwest direction (forecast issued at 03:00am August 21). The wind direction is predicted to be cross-offshore.

Time (AEST) & DateWave HeightWave Period
Morning (21 Aug)1ft (0.3m)16s
Afternoon (21 Aug)4ft (1.2m)6s
Evening (21 Aug)4.5ft (1.4m)6s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Fri night. Very mild (max 13°C on Fri morning, min 10°C on Fri night). Mainly fresh winds.

Friday
21
Saturday
22
Sunday
23
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
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
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)
0.7
NNW
5
0.3
NW
11
0.8
NW
5
0.3
NW
16
1.1
NW
5
1.3
NW
6
1.3
NW
6
1.4
NW
6
2
WNW
7
2.2
WNW
7
2.2
WNW
8
2
WNW
8
1.6
WNW
7
1.4
WNW
7
1.2
WNW
7
0.4
NW
15
0.4
NW
14
0.4
NW
14
0.4
NW
14
0.3
NW
14
0.3
NW
14
0.3
NW
16
0.3
NW
16
0.3
NW
16
Wave Graph
Metric surfscale
Energy kJ
25
20
31
41
60
108
124
139
361
528
575
441
272
185
120
75
74
73
71
32
31
38
39
39
Wind (km/h)
5
WSW
10
WNW
10
W
20
WNW
25
WNW
25
W
20
W
25
WNW
30
WNW
30
W
30
W
30
WSW
30
WSW
25
WSW
20
WSW
20
W
15
W
15
WNW
15
WNW
15
WNW
20
WNW
20
WNW
15
WNW
15
WNW
Wind State
cross-off
cross-off
cross-off
cross
cross
cross-off
cross-off
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross
cross
cross
High Tide
5:58AM3.04m
5:52PM3.15m
6:36AM2.99m
6:27PM3.10m
7:14AM2.94m
7:02PM3.04m
Low Tide
11:40PM0.67m
11:51AM1.11m
00:16AM0.71m
12:26PM1.19m
00:51AM0.76m
1:01PM1.27m
cloud
clear
part cloud
cloud
part cloud
cloud
part cloud
cloud
part cloud
rain showers
part cloud
clear
clear
part cloud
cloud
cloud
cloud
clear
cloud
cloud
cloud
cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:56
6:56
6:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:37
5:38
5:39
 mm
2
Temp °C
9
10
10
12
13
13
11
11
11
10
10
11
12
11
10
10
10
10
10
11
12
12
11
11
Feels °C
7
8
7
8
8
8
6
6
4
3
3
4
5
5
4
4
6
6
6
7
7
7
7
7
  • 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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