Roaring Beach Surf Break

Lat Long: 43.09° S 147.67° E

Roaring Beach Surf Forecast and Surf Report

Issued: 9 am 30 Aug 2026 (local time)

Forecast update in  hr  min

Today's Roaring Beach sea temperature is
11.8°C
0.0° 

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


Roaring Beach surf forecast from 30 Aug 2026:

  • Best quality surf: Sunday 30 Aug, 7PM (local time) - 13ft (4.0m), 13s period, SW swell with cross-onshore winds.
  • Most powerful swell: Friday 4 Sep, 7AM (local time) - 16ft (5.0m), 15s period, SW swell with 11,210 kJ wave energy.
  • Next surfable swell (1★+): Sunday 30 Aug, 7PM (local time) - 13ft (4.0m), 13s period with SW swell.

Best Forecast Surf Conditions for Roaring Beach this week:

The surf forecast for Roaring Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Aug 30) at 7PM. The primary swell is predicted to be 4.0m and 13s period with a secondary swell of 2.5m and 14s. The wind is predicted to be cross-onshore as the swell arrives.

The most powerful waves expected at Roaring Beach in the next 16 days are 5.0m 15s and forecast to arrive on Friday (Sep 04) at 7AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 7s period and expected on Saturday (Sep 05) at 10AM.

Wave TypeTime (AEST) & Date Wave Height & Period
Next good surf (1 star+) 7PM (Sun 30th Aug)13ft (4.0m) 13s
Best Surf 7PM (Sun 30th Aug)13ft (4.0m) 13s
Most Powerful 7AM (Fri 4th Sep)16ft (5.0m) 15s

Table - best surf conditions forecast for Roaring Beach over the next 16 days.


The Lowdown

Alright, Rusty here, let's talk about what's coming our way for Roaring Beach.

Alright, grab a coffee because the next two weeks are a bit of a rollercoaster. We've got a massive pulse of swell hitting us right out of the gate, but honestly, it’s going to be way too much for a standard paddle session. This isn't a straight-up quiet period, but for the first week, the waves are either too big to handle or just messy. Let's get into it.

We start Sunday, August 30th, and it’s game on but not for us mere mortals. Roaring Beach is seeing a solid 13ft SW groundswell with a 13-second period, and the combined energy is pumping at a massive 8890 (moderate to strong energy). The wind is a moderate cross-on from the W at 12 mph, so it’s choppy and fat. The water is sitting at 53°, which is bang on average for right now. This one is for the big-wave chargers only, if anyone is silly enough. The swell just won't let up through Monday the 31st either, still 12ft SW groundswell, though Monday afternoon we get a brief window of glassy conditions with SE 3 mph winds, but the 12ft face is still too much for your standard board.

Tuesday, September 1st, we drop right down. The swell backs off to 5ft but it’s a long period SW groundswell (16 seconds) which can be a bit fat and walled-up, making it tricky. Winds are cross-off from the NNW, so the surface will be clean, but the energy is weak (1101) and the forecast is marginal. Not your best bet.

We see a bit of a bump on Wednesday the 2nd with a 6ft SSW groundswell, but the moderate cross-shore wind from the WNW will mess it up, making it lumpy. Not worth the paddle.

Thursday the 3rd is a washout. Strong breeze at 28 mph from the W turning to a 13ft SW onshore mess. Leave the board at home.

Now Friday, September 4th, we’re getting somewhere. The swell settles to 8ft SW, still a big wave, but the wind is a clean cross-off from the NNW at 9 mph for the afternoon. This is the standout for the first week, offering excellent conditions for experienced surfers. The energy is still solid (3647), and that clean face will be holding its shape. If you’ve got the stones and the right stick, Friday afternoon is your window.

Saturday the 5th goes downhill again with strong onshore winds, and the rest of the first week is a mix of marginal surf, onshore slop, or the swell getting too big again. It’s a rocky road.

The second week looks more promising, but it’s a long-range call, so treat it with a pinch of salt. There are two absolute gems in there for the lighter days.

From Friday, September 11th, we have small but clean conditions. A light offshore NNW breeze at 6 mph is going to make that 4ft SSW groundswell look a lot better than the numbers suggest. The energy is low (897), but for a longboard or a fish, that's going to be clean, reeling, and a joy. Keep an eye on that Friday morning.

But the true highlight of the whole 16-day outlook is the weekend of September 12th and 13th. Saturday, the 12th, is the real prize. We’ve got 5ft SSW groundswell with a 17-second period, offshore light breeze all day from the NNW at 6 mph, and clean as a whistle. The energy is moderate (1958). This is the one for everyone. It’s not too big, it’s clean, and with that long period at this sheltered spot, the shape should be proper. Sunday the 13th then steps it up to 10ft again, which is back into the big-wave territory, but the wind is clean and offshore again, so it’s a good option for the crew on the bigger boards.

For the average surfer, Saturday, September 12th is your day. Mark it. The early part of the second week is small and iffy, but that weekend looks like a stunner. Keep your fingers crossed.

See you in the water.
Rusty.

Short Range Forecast

Some drizzle, heaviest during Tue night. Very mild (max 17°C on Tue morning, min 8°C on Mon night). Winds increasing (calm on Mon afternoon, fresh winds from the WNW by Tue night).

Days 4-6 Weather Summary

Light rain (total 8mm), mostly falling on Wed afternoon. Very mild (max 14°C on Wed morning, min 9°C on Thu morning). Winds decreasing (strong winds from the W on Thu morning, light winds from the NNW by Fri afternoon).

Sunday
30
Monday
31
Tuesday
1
Wednesday
2
Thursday
3
Friday
4
Saturday
5
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
!
!
!
!
!
4
2
1
0
1
2
2
0
0
!
!
4
3
1
0
!
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
4
SW
13
3
SW
13
4
SW
13
3.5
SW
13
3.5
SW
14
2
SSW
16
1.4
SW
16
1.2
SW
15
1.4
SW
15
1.9
SW
16
2.5
SSW
16
2
SSW
15
2.5
SW
15
4
SW
15
4
SW
16
3
SSW
16
2.5
SSW
16
2.2
SSW
16
1.5
SSW
17
3
SW
16
4
SW
10
Wave Graph
Metric surfscale
Energy kJ
6130
3416
5552
4947
4302
1977
1005
623
773
1759
2986
1714
3004
7456
7134
4562
3647
2510
1336
4282
2908
Wind (km/h)
20
W
20
WSW
15
W
10
W
5
SE
15
NNW
20
NNW
25
NW
30
W
25
WNW
20
WNW
25
NW
45
W
45
W
25
W
20
NW
15
NNW
30
NNE
30
W
45
SW
20
W
Wind State
cross-on
cross-on
cross
cross-on
glassy
cross-off
cross-off
cross-off
cross
cross
cross
cross-off
cross
cross-on
cross
cross-off
cross-off
off
cross
on
cross
High Tide
10:03AM0.79m
9:39PM0.89m
10:42AM0.85m
10:56PM0.81m
11:21AM0.91m
00:24AM0.75m
12:04PM0.98m
1:57AM0.72m
12:49PM1.04m
3:24AM0.71m
1:38PM1.10m
4:40AM0.71m
2:29PM1.15m
Low Tide
3:32PM0.47m
4:16AM0.34m
4:52PM0.41m
4:56AM0.41m
6:09PM0.33m
5:38AM0.49m
7:21PM0.23m
6:22AM0.56m
8:27PM0.14m
7:06AM0.61m
9:28PM0.06m
7:51AM0.64m
10:25PM0.01m
clear
clear
clear
clear
clear
clear
cloud
cloud
rain showers
part cloud
light rain
rain showers
part cloud
part cloud
part cloud
part cloud
cloud
light rain
part cloud
rain showers
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:39
6:39
6:37
6:35
6:33
6:31
6:30
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:39
5:40
5:42
5:43
5:44
5:45
5:45
 mm
1
2
4
2
1
Temp °C
14
15
11
13
14
11
17
16
12
14
13
12
10
9
10
13
14
14
13
10
9
Feels °C
9
11
7
10
12
8
12
10
7
9
9
7
-1
-1
3
8
10
9
7
0
1
  • 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 Roaring Beach Surf forecast

The above surf forecast table for Roaring Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Roaring Beach can be found by selecting the local surf guide option on the grey menu. Our Roaring Beach 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 (Roaring Beach) 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 Roaring Beach 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.

Roaring Beach is 15 km (9 miles) from Port Arthur. If you plan a holiday in East Coast of Tasmania, look for hotels and other accommodation in Port Arthur. Port Arthur has rooms for a wide range of budgets as well as car hire and transport links.

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