Surf Forecasts:
Devonport Rivermouth surf forecast from 18 Jul 2026:
- Best quality surf: Saturday 25 Jul, 10AM (local time) - 3.5ft (1.1m), 6s period, NW swell with cross-offshore winds.
- Most powerful swell: Friday 24 Jul, 7AM (local time) - 10ft (3.0m), 8s period, NW swell with 1,070 kJ wave energy.
- Next surfable swell (1★+): Saturday 25 Jul, 10AM (local time) - 3.5ft (1.1m), 6s 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 Saturday (Jul 25) at 10AM. The primary swell is predicted to be 1.1m and 6s period with a secondary swell of 0.3m and 13s. 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 3.0m 8s and forecast to arrive on Friday (Jul 24) 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 0.9m 5s period and expected on Thursday (Jul 23) at 7PM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10AM (Sat 25th Jul) | 3.5ft (1.1m) 6s |
| Best Surf | 10AM (Sat 25th Jul) | 3.5ft (1.1m) 6s |
| Most Powerful | 7AM (Fri 24th Jul) | 10ft (3.0m) 8s |
Table - best surf conditions forecast for Devonport Rivermouth over the next 16 days.
The Lowdown
Hey folks, Rusty here. Let's talk about Devonport Rivermouth. This spot’s always been a bit of a tease—inconsistent, only sometimes breaks, and when it does, it’s a point/river setup that needs the right pieces to line up. Looking at the next 16 days, I gotta be straight with you: there’s no real surf to get excited about. The opening stretch from July 19 through July 24 is dead—flat or tiny, mixed with messy winds. You’ll be sitting on the bank for nothing. Then we get a few whispers of hope, but they’re barely a whisper.
The first window worth mentioning is Saturday morning, July 25. Swell bumps up to about 3.6 ft from the northwest, with a clean cross-off breeze from the west at 9 mph. The period is short though—just 6 seconds—so the waves will be weak and a bit crumbly. Combined wave energy is moderate (102). It’s surfable but very ordinary, and the break being inconsistent means you might wait a while between sets. Crowds are possible, but with conditions like this, probably only the keenest locals will be out.
After that, it's back to poor conditions for a few days. Tuesday afternoon, July 28, gives another marginal chance: 4.3 ft from the west, period 7 seconds, with a clean cross-off wind from the west at 16 mph. Energy’s a bit higher (293), but the wind
Short Range ForecastLight rain (total 3mm), mostly falling on Mon night. Very mild (max 12°C on Sun morning, min 9°C on Sat night). Wind will be generally light. | Days 5-7 Weather SummaryModerate rain (total 14mm), heaviest on Tue night. Very mild (max 13°C on Fri afternoon, min 5°C on Wed night). Mainly fresh winds. | ||||||||||||||||||
Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | ||||||||||||||
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 | WNW 13 | NW 13 | NE 13 | NE 11 | NW 4 | NW 5 | NW 14 | NW 13 | NW 5 | NW 6 | NW 7 | WNW 6 | W 6 | NW 15 | WNW 6 | NW 8 | NW 8 | NW 6 |
Wave Graph  | |||||||||||||||||||
 kJ | 27 | 17 | 6 | 7 | 19 | 32 | 25 | 33 | 28 | 59 | 152 | 192 | 146 | 78 | 79 | 293 | 805 | 326 | 88 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | cross-on | glassy | glassy | cross | cross | cross | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off |
High Tide | 3:00AM3.18m | 3:38PM3.25m | 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 | |||||||
Low Tide | 9:21AM0.63m | 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 | |||||||
 |  |  |  | | |  | | |  |  | | |  | | | |  | | |
 | — | 7:33 | — | — | 7:33 | — | — | 7:31 | — | — | 7:31 | — | — | 7:31 | — | — | 7:30 | — | — |
 | — | — | 5:07 | — | — | 5:07 | — | — | 5:08 | — | — | 5:09 | — | — | 5:10 | — | — | 5:10 | — |
mm | — | — | — | — | — | — | 3 | — | — | 8 | 3 | — | — | — | — | — | 2 | 1 | — |
Temp °C | 11 | 12 | 11 | 10 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 10 | 7 | 10 | 8 | 9 | 12 | 13 | 12 |
Feels °C | 9 | 10 | 9 | 9 | 9 | 9 | 9 | 10 | 9 | 9 | 6 | 4 | 1 | 3 | 1 | 3 | 5 | 7 | 7 |
Swell 1 Height (m) Direction Period (s) | NW 4 | WNW 13 | NW 13 | NW 12 | NNW 4 | NE 11 | NE 11 | NE 11 | NW 13 | NE 10 | NNE 10 | NNE 10 | WNW 11 | NW 14 | NW 15 | NE 9 | — | — | NW 14 |
| kJ | 2 | 17 | 6 | 6 | 1 | 18 | 18 | 18 | 28 | 17 | 10 | 10 | 12 | 68 | 79 | 3 | — | — | 29 |
Swell 2 Height (m) Direction Period (s) | NW 13 | — | — | NE 13 | NE 11 | NW 15 | NW 9 | NW 14 | NE 11 | NW 13 | NW 12 | NW 12 | NE 10 | NE 10 | NE 10 | — | — | — | — |
| kJ | 27 | — | — | 7 | 19 | 9 | 3 | 33 | 18 | 25 | 6 | 5 | 4 | 4 | 4 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | NW 16 | — | NW 14 | NW 9 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 10 | — | 8 | 3 | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | NW 4 | NW 5 | NNW 4 | NW 4 | NW 5 | NW 6 | NW 7 | WNW 6 | W 6 | W 4 | WNW 6 | NW 8 | NW 8 | NW 6 |
| kJ | — | — | — | — | — | 32 | 25 | 7 | 20 | 59 | 152 | 192 | 146 | 78 | 16 | 293 | 805 | 326 | 88 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 131 | 131 | 143 | 143 | 180 | 180 | 180 | 184 | 201 | 180 | 216 | 180 | 180 | 211 | 184 | 184 | 354 | 354 | 178 |
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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