Devonport Rivermouth Surf Break

Lat Long: 41.16° S 146.36° E

Devonport Rivermouth Surf Forecast and Surf Report

Issued: 9 pm 09 Sep 2026 (local time)

Forecast update in  hr  min

Today's Devonport Rivermouth sea temperature is
12.8°C
0.4° 

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


Devonport Rivermouth surf forecast from 9 Sep 2026:

  • Best quality surf: Thursday 10 Sep, 4AM (local time) - 1.5ft (0.4m), 18s period, NW swell with cross-offshore winds.
  • Most powerful swell: Tuesday 15 Sep, 1AM (local time) - 7ft (2.2m), 8s period, WNW swell with 627 kJ wave energy.
  • Next surfable swell (1★+): Thursday 10 Sep, 4AM (local time) - 1.5ft (0.4m), 18s period with NW swell.

Best Forecast Surf Conditions for Devonport Rivermouth this week:

The surf forecast for Devonport Rivermouth over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Sep 10) at 4AM. The primary swell is predicted to be 0.4m and 18s period with a secondary swell of 0.2m and 5s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Devonport Rivermouth in the next 16 days are 2.2m 8s and forecast to arrive on Tuesday (Sep 15) at 1AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 5s period and expected on Wednesday (Sep 16) at 7PM.

Wave TypeTime (AEST) & Date Wave Height & Period
Next good surf (1 star+) 4AM (Thu 10th Sep)1.5ft (0.4m) 18s
Best Surf 4AM (Thu 10th Sep)1.5ft (0.4m) 18s
Most Powerful 1AM (Tue 15th Sep)7ft (2.2m) 8s

Table - best surf conditions forecast for Devonport Rivermouth over the next 16 days.


Short Range Forecast

Mostly dry. Very mild (max 19°C on Fri morning, min 6°C on Wed night). Wind will be generally light.

Days 5-7 Weather Summary

Light rain (total 4mm), mostly falling on Sun night. Very mild (max 15°C on Mon morning, min 8°C on Mon night). Winds increasing (calm on Sun night, fresh winds from the W by Mon afternoon).

Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
1
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)
0.4
NW
18
0.4
NW
17
0.4
NW
16
0.3
NW
16
0.3
NW
15
0.3
NW
15
0.3
NW
16
0.3
NW
16
0.3
NW
16
0.3
NW
15
0.1
NW
15
0.1
NW
15
0.5
NNW
5
1.1
NNW
6
1.7
NW
6
2.2
WNW
8
1.2
WNW
7
0.5
NW
14
0.4
NW
14
Wave Graph
Metric surfscale
Energy kJ
109
100
68
40
36
37
42
40
39
36
8
9
14
71
171
627
135
97
73
Wind (km/h)
15
SW
15
WSW
20
WSW
10
SW
10
WSW
15
W
10
S
0
NNW
5
NNW
5
SE
5
ENE
5
NNE
5
ENE
20
NW
30
NW
30
W
20
WSW
20
SW
10
SW
Wind State
cross-off
cross-off
cross-off
off
cross-off
cross-off
off
glassy
cross-on
cross-off
cross-on
on
glassy
cross-on
cross
cross-off
cross-off
cross-off
off
High Tide
10:13AM2.95m
10:27PM2.98m
11:19AM2.94m
11:40PM2.97m
12:20PM2.97m
00:47AM3.01m
1:16PM3.04m
1:47AM3.08m
2:06PM3.11m
2:40AM3.15m
2:50PM3.18m
3:27AM3.20m
Low Tide
3:41AM0.74m
4:14PM1.15m
4:53AM0.83m
5:29PM1.08m
6:04AM0.87m
6:37PM0.94m
7:08AM0.86m
7:37PM0.78m
8:02AM0.84m
8:27PM0.64m
8:50AM0.84m
9:12PM0.54m
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
cloud
part cloud
part cloud
rain showers
part cloud
clear
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:24
6:24
6:22
6:20
6:18
6:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:58
5:59
6:00
6:00
6:01
6:02
 mm
4
Temp °C
9
15
14
9
19
19
11
13
12
9
13
14
13
15
15
11
12
12
8
Feels °C
4
10
9
5
14
14
7
9
9
7
11
13
12
10
9
3
5
6
4
  • Map Icons:
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Devonport Rivermouth Surf forecast

The above surf forecast table for Devonport Rivermouth provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Devonport Rivermouth can be found by selecting the local surf guide option on the grey menu. Our Devonport Rivermouth surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Devonport Rivermouth) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Devonport Rivermouth may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Devonport Rivermouth is 5 km (3 miles) from Devonport. If you plan a holiday in North Coast of Tasmania, look for hotels and other accommodation in Devonport. Devonport has rooms for a wide range of budgets as well as car hire and transport links.

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