Devonport Rivermouth Surf Break

Lat Long: 41.16° S 146.36° E

Devonport Rivermouth 48 hour detailed Surf Forecast

Issued: 9 am 21 Sep 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 Sep):

  • Morning surf: Morning surf (21 Sep, local time) - 2.5ft (0.8m), 6s period with NW swell.
  • Afternoon surf: Afternoon surf (21 Sep, local time) - 1.5ft (0.4m), 12s period with NW swell.
  • Evening surf: Evening surf (21 Sep, local time) - 1ft (0.3m), 14s period with NW swell.

The current surf forecast for Devonport Rivermouth at 6PM is: 0.3m 14s primary swell from a Northwest direction and 0.7m 6s secondary swell from a West-northwest direction (forecast issued at 09:00am September 21). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (AEST) & DateWave HeightWave Period
Morning (21 Sep)2.5ft (0.8m)6s
Afternoon (21 Sep)1.5ft (0.4m)12s
Evening (21 Sep)1ft (0.3m)14s

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


Short Range Forecast

Mostly dry. Very mild (max 13°C on Mon morning, min 6°C on Mon night). Wind will be generally light.

Monday
21
Tuesday
22
Wednesday
23
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
NW
7
0.6
NW
6
0.3
NW
11
0.4
NW
12
0.3
NW
14
0.3
NW
14
0.4
NW
14
0.3
NW
14
0.3
NW
14
0.4
NW
13
0.3
NW
13
0.3
NW
13
0.3
NW
16
0.3
NW
16
0.3
NW
16
0.3
NW
15
0.3
NW
15
0.1
NW
15
0.1
NW
15
0.1
NW
15
0.1
NW
14
0.1
NW
14
Wave Graph
Metric surfscale
Energy kJ
75
32
20
35
31
32
50
32
29
46
28
28
42
41
40
37
35
9
9
9
8
7
Wind (km/h)
20
WSW
25
WSW
25
WSW
20
SW
20
WSW
10
WSW
10
WSW
10
WSW
10
SSW
5
NNW
15
NNW
15
NW
10
NW
5
W
5
SW
5
S
10
SSE
5
N
10
NNW
10
NNW
5
WNW
5
SSW
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
glassy
cross-on
cross-on
cross
glassy
glassy
off
cross-off
glassy
cross-on
cross-on
cross
glassy
High Tide
6:28AM3.01m
6:17PM3.00m
7:02AM2.93m
6:51PM2.91m
7:40AM2.84m
7:32PM2.82m
Low Tide
12:22PM1.20m
00:40AM0.79m
12:55PM1.26m
1:14AM0.88m
1:33PM1.31m
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
part cloud
part cloud
cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:07
6:05
6:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:08
6:09
6:10
 mm
Temp °C
9
11
13
12
10
8
7
6
7
11
12
11
10
9
7
6
6
10
12
11
10
9
Feels °C
3
4
6
5
5
4
3
2
4
9
7
6
7
7
6
4
3
8
9
8
8
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 

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