Surf Forecasts:
Devonport Rivermouth surf forecast from 26 Aug 2026:
- Best quality surf: Saturday 29 Aug, 7PM (local time) - 3ft (0.9m), 6s period, WNW swell with cross-offshore winds.
- Most powerful swell: Tuesday 1 Sep, 7PM (local time) - 7ft (2.1m), 7s period, NW swell with 447 kJ wave energy.
- Next surfable swell (1★+): Saturday 29 Aug, 7PM (local time) - 3ft (0.9m), 6s period with WNW 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 Saturday (Aug 29) at 7PM. The primary swell is predicted to be 0.9m and 6s period with a secondary swell of 0.3m and 14s. Another secondary swell of 0.1m and 8s is also forecast. 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 2.1m 7s and forecast to arrive on Tuesday (Sep 01) at 7PM. 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 4s period and expected on Saturday (Aug 29) at 1PM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7PM (Sat 29th Aug) | 3ft (0.9m) 6s |
| Best Surf | 7PM (Sat 29th Aug) | 3ft (0.9m) 6s |
| Most Powerful | 7PM (Tue 1st Sep) | 7ft (2.1m) 7s |
Table - best surf conditions forecast for Devonport Rivermouth over the next 16 days.
The Lowdown
G’day, it’s Rusty here. Let’s be straight with you: the next couple of weeks are looking pretty bleak for a paddle at Devonport Rivermouth. We’ve got a long stretch of small, weak, and messy surf ahead, and honestly, the board’s going to be gathering dust for a while.
The first real window of anything worth looking at doesn’t even open until Tuesday the 1st of September, and even then, it’s not exactly firing. The swell starts to build that afternoon, with a 6ft NW groundswell pushing through, but the wind is swinging around from the WSW and it’s going to be lumpy. The energy is moderate (352), but the quality just isn’t there. The next few days after that are a letdown again, with the swell dropping right back to nothing much.
The first true standout, and really the only one worth getting excited about, arrives on the morning of Saturday the 6th of September. We’re looking at an 8ft NW swell with an 8-second period, generating strong wave energy (784). The wind is offshore from the WSW, which should keep things clean. This is a solid, powerful swell, but at 8ft, it’s pushing into expert territory for this spot. It’s a river mouth and point setup, so it can handle the size, but it’s going to be a serious paddle. Sunday the 7th keeps the energy high in the morning with a 8ft swell (750) and clean offshore winds, so there’s a decent back-to-back window there for experienced surfers only.
From there, it fades out quickly. The following week looks pretty quiet again, with a brief pulse around the 9th and 10th of September. On the 10th, there’s a big 12ft NW swell predicted for the afternoon, and the energy is huge (2018), but honestly, it’s just too big for this break. The wind is favorable, but it’s going to be a washing machine. For the average surfer, that’s a pass. If you’re looking for a day to get out, keep your eyes on that Saturday the 6th. It’s the best we’re going to get.
Signing off, Rusty.
Short Range ForecastSome drizzle, heaviest during Thu night. Very mild (max 14°C on Wed morning, min 6°C on Wed night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Very mild (max 19°C on Sun afternoon, min 8°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | NW 14 | NNE 8 | NW 13 | NW 12 | WNW 4 | WNW 5 | NW 18 | NW 17 | NW 16 | NW 15 | WNW 5 | NW 13 | WNW 5 | NW 12 | NW 18 | N 21 | NW 4 | NW 17 | NW 5 | NNW 7 | NNW 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 33 | 7 | 7 | 6 | 18 | 64 | 81 | 104 | 64 | 33 | 46 | 7 | 9 | 6 | 13 | 9 | 26 | 47 | 73 | 342 | 116 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | glassy | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross | cross | cross | cross | cross-off | cross-off |
High Tide | 9:11PM2.83m | 10:10AM2.78m | 10:05PM2.78m | 11:02AM2.78m | 11:05PM2.77m | 11:55AM2.81m | 00:05AM2.81m | 12:46PM2.87m | 1:04AM2.89m | 1:35PM2.97m | 2:00AM3.00m | 2:21PM3.08m | 2:53AM3.13m | ||||||||
Low Tide | 3:06PM1.40m | 3:34AM0.96m | 3:59PM1.41m | 4:28AM0.99m | 4:58PM1.36m | 5:26AM1.01m | 6:00PM1.27m | 6:26AM0.99m | 6:58PM1.13m | 7:23AM0.96m | 7:52PM0.95m | 8:15AM0.92m | 8:42PM0.76m | ||||||||
 | |  | |  |  | | | | | | | | | | | | |  | | | |
 | 6:50 | — | — | 6:48 | — | — | 6:47 | — | — | 6:45 | — | — | 6:43 | — | — | 6:41 | — | — | 6:39 | — | — |
 | — | 5:43 | — | — | 5:44 | — | — | 5:45 | — | — | 5:45 | — | — | 5:46 | — | — | 5:47 | — | — | 5:49 | — |
mm | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 5 | — |
Temp °C | 14 | 14 | 8 | 11 | 13 | 11 | 13 | 13 | 8 | 15 | 14 | 10 | 18 | 19 | 10 | 17 | 16 | 12 | 15 | 11 | 10 |
Feels °C | 9 | 10 | 4 | 7 | 8 | 7 | 8 | 8 | 4 | 11 | 9 | 6 | 14 | 15 | 6 | 12 | 11 | 8 | 9 | 6 | 5 |
Swell 1 Height (m) Direction Period (s) | NE 8 | NNE 8 | WNW 4 | NE 8 | NE 8 | NNW 20 | NW 6 | NW 17 | NW 16 | NW 15 | NW 14 | NW 13 | WNW 5 | NW 12 | NW 14 | NW 4 | NW 15 | NW 17 | NW 16 | NW 16 | NNW 7 |
| kJ | 10 | 6 | 2 | 3 | 3 | 37 | 24 | 104 | 64 | 33 | 33 | 7 | 9 | 6 | 8 | 5 | 9 | 47 | 10 | 10 | 116 |
Swell 2 Height (m) Direction Period (s) | NW 14 | NW 14 | NW 13 | NW 12 | N 22 | NE 9 | NW 18 | NE 9 | NE 9 | NE 9 | NE 8 | — | NW 13 | — | NW 18 | NW 15 | NW 19 | — | — | — | NW 15 |
| kJ | 33 | 7 | 7 | 6 | 9 | 3 | 81 | 3 | 3 | 3 | 3 | — | 7 | — | 13 | 9 | 15 | — | — | — | 8 |
Swell 3 Height (m) Direction Period (s) | — | — | NE 8 | — | — | — | WNW 13 | — | NE 9 | — | — | — | — | — | — | N 21 | — | — | — | — | — |
| kJ | — | — | 3 | — | — | — | 17 | — | 3 | — | — | — | — | — | — | 9 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 5 | WNW 4 | — | — | WNW 4 | WNW 5 | SW 3 | WNW 5 | W 5 | WNW 5 | WNW 5 | WNW 5 | — | WNW 4 | WNW 5 | — | NW 4 | NW 4 | NW 5 | NNW 7 | SW 3 |
| kJ | 15 | 6 | — | — | 18 | 64 | 2 | 19 | 15 | 22 | 46 | 39 | — | 15 | 17 | — | 26 | 7 | 73 | 342 | 2 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 314 | 314 | 131 | 216 | 178 | 178 | 184 | 180 | 50 | 180 | 184 | 184 | 184 | 178 | 178 | 178 | 184 | 216 | 566 | 211 | 184 |
Best forecast wave conditions in North Coast of Tasmania | |||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||
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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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