Surf Forecasts:
Devonport Rivermouth surf forecast from 19 Jul 2026:
- Best quality surf: Saturday 25 Jul, 1PM (local time) - 3.5ft (1.1m), 7s period, WNW swell with offshore winds.
- Most powerful swell: Friday 24 Jul, 10AM (local time) - 8ft (2.5m), 8s period, WNW swell with 720 kJ wave energy.
- Next surfable swell (1★+): Saturday 25 Jul, 1PM (local time) - 3.5ft (1.1m), 7s 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 (Jul 25) at 1PM. The primary swell is predicted to be 1.1m and 7s period with a secondary swell of 0.3m and 12s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Devonport Rivermouth in the next 16 days are 2.5m 8s and forecast to arrive on Friday (Jul 24) at 10AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 6s period and expected on Thursday (Jul 23) at 4PM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1PM (Sat 25th Jul) | 3.5ft (1.1m) 7s |
| Best Surf | 1PM (Sat 25th Jul) | 3.5ft (1.1m) 7s |
| Most Powerful | 10AM (Fri 24th Jul) | 8ft (2.5m) 8s |
Table - best surf conditions forecast for Devonport Rivermouth over the next 16 days.
The Lowdown
Alright, let’s talk about Devonport Rivermouth. This is a point-and-river setup that’s pretty inconsistent, so when it does fire it’s a bit of a treat. Right now, the water’s sitting around 56° – bang on average for this time of year, nothing weird.
We’ve got a long dry spell to start. From Sunday 19 July right through to Thursday 24 July, there’s basically nothing worth paddling out for. Tiny, short-period stuff with messy winds – just not happening. That Thursday morning, 24 July, we finally see a pulse: 8ft from the WNW with a period of 8 seconds and cross-off wind. The combined energy (720) is solid, but the swell’s a bit raw and the tide might be questionable. It’s marginal – not the cleanest, but if you’re desperate you could find a few. Still, that’s more of a “maybe” than a “go”.
Then it goes quiet again until Wednesday 29 July. That morning is the standout of the whole 16-day window. We’ve got a 8ft swell from the NW, period 8 seconds, cross-off breeze from the WSW at 10 mph, and the water’s glassy clean. Combined energy hits 725 – strong, punchy waves. For a spot that’s usually inconsistent, this is a proper little window. Keep in mind, 8ft is a bit much for beginners – it’s more for intermediate to advanced surfers. The break can handle it okay, but expect some push. Crowds are possible here sometimes, so midweek might be your best bet. The afternoon of the 29th still has some size (6ft) but the wind picks up and the quality drops off.
After that, it’s back to nothing. The rest of the forecast – through to Monday 3 August – shows only tiny dribbles with long periods and no energy. Not worth a session.
So, bottom line: if you’re keen, pencil in Wednesday 29 July morning. The rest of the fortnight is a write-off. That’s just how it goes at an inconsistent spot – when it’s on, it’s on, but you’ve got to wait.
Rusty.
Short Range ForecastModerate rain (total 14mm), heaviest on Tue night. Very mild (max 12°C on Mon morning, min 9°C on Sun night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 7mm), mostly falling on Fri afternoon. Very mild (max 13°C on Fri afternoon, min 6°C on Wed afternoon). Winds decreasing (fresh winds from the WSW on Thu afternoon, light winds from the SW by Sat morning). | |||||||||||||||||||
Sun 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | ||||||||||||||
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 13 | NW 18 | NE 11 | NW 4 | NW 5 | NW 14 | NW 13 | NW 6 | NW 7 | NW 7 | WNW 6 | W 6 | NW 15 | WNW 7 | WNW 8 | NW 8 | WNW 7 | WNW 7 | NW 6 | NW 12 |
Wave Graph  | ||||||||||||||||||||
 kJ | 6 | 12 | 19 | 32 | 37 | 33 | 28 | 214 | 267 | 233 | 107 | 91 | 75 | 189 | 720 | 461 | 418 | 196 | 40 | 23 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | glassy | glassy | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off |
High Tide | 3:57AM3.10m | 4:25PM3.20m | 4:51AM3.03m | 5:10PM3.15m | 5:43AM2.97m | 5:52PM3.11m | 6:32AM2.92m | 6:32PM3.08m | 7:18AM2.89m | 7:11PM3.06m | 8:03AM2.88m | 7:51PM3.05m | ||||||||
Low Tide | 9:54PM0.84m | 10:11AM0.77m | 10:43PM0.83m | 10:58AM0.93m | 11:30PM0.83m | 11:42AM1.07m | 00:14AM0.84m | 12:23PM1.20m | 00:55AM0.85m | 1:04PM1.29m | 1:36AM0.85m | 1:45PM1.35m | 2:17AM0.85m | |||||||
 |  | |  | | |  |  | |  |  | | | | | |  | | |  | |
 | — | — | 7:33 | — | — | 7:31 | — | — | 7:31 | — | — | 7:31 | — | — | 7:30 | — | — | 7:28 | — | — |
 | 5:07 | — | — | 5:07 | — | — | 5:08 | — | — | 5:09 | — | — | 5:10 | — | — | 5:10 | — | — | 5:12 | — |
mm | — | — | — | — | — | — | 3 | 9 | 2 | — | — | — | — | — | 1 | 3 | 3 | — | — | — |
Temp °C | 11 | 10 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 9 | 7 | 7 | 7 | 9 | 10 | 13 | 12 | 12 | 10 | 5 |
Feels °C | 9 | 9 | 9 | 9 | 10 | 11 | 9 | 8 | 6 | 3 | 1 | -1 | -2 | 3 | 3 | 7 | 5 | 9 | 6 | 2 |
Swell 1 Height (m) Direction Period (s) | NW 13 | NW 12 | NE 11 | NE 11 | NW 5 | NNW 4 | NW 13 | NE 11 | NNE 10 | NNE 10 | NW 11 | NW 15 | NW 15 | NW 15 | — | — | — | — | NW 6 | NW 6 |
| kJ | 6 | 6 | 19 | 18 | 20 | 8 | 28 | 18 | 10 | 10 | 20 | 77 | 75 | 79 | — | — | — | — | 40 | 8 |
Swell 2 Height (m) Direction Period (s) | — | NE 13 | NNW 3 | NW 15 | NE 11 | NW 14 | NE 11 | — | — | — | NE 10 | NE 10 | NE 10 | NE 10 | — | — | — | — | NW 11 | NW 12 |
| kJ | — | 7 | 1 | 9 | 18 | 33 | 18 | — | — | — | 4 | 4 | 4 | 4 | — | — | — | — | 20 | 23 |
Swell 3 Height (m) Direction Period (s) | — | NW 18 | NW 16 | — | NW 14 | NE 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 12 | 10 | — | 8 | 19 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | NW 4 | NW 5 | — | NW 4 | NW 6 | NW 7 | NW 7 | WNW 6 | W 6 | WNW 6 | WNW 7 | WNW 8 | NW 8 | WNW 7 | WNW 7 | — | WSW 3 |
| kJ | — | — | — | 32 | 37 | — | 21 | 214 | 267 | 233 | 107 | 91 | 101 | 189 | 720 | 461 | 418 | 196 | — | 3 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 143 | 143 | 180 | 180 | 180 | 180 | 180 | 180 | 220 | 184 | 180 | 552 | 544 | 356 | 184 | 211 | 211 | 585 | 641 | 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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