Surf Forecasts:
Devonport Rivermouth surf forecast from 12 Jul 2026:
- Most powerful swell: Monday 13 Jul, 4PM (local time) - 10ft (3.0m), 8s period, NW swell with 1,332 kJ wave energy.
Best Forecast Surf Conditions for Devonport Rivermouth this week:
The most powerful waves expected at Devonport Rivermouth in the next 16 days are 3.0m 8s and forecast to arrive on Monday (Jul 13) at 4PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 5s period and expected on Wednesday (Jul 15) at 10AM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 4PM (Mon 13th Jul) | 10ft (3.0m) 8s |
Table - best surf conditions forecast for Devonport Rivermouth over the next 16 days.
Alright folks, Rusty here. We’re lookin’ at Devonport Rivermouth, and if you’re itchin’ for a wave, you’re gonna need some patience. There’s a right proper dry spell kicking things off.
To be straight with you, the first week is mostly a write-off. We’ve got a solid stretch from Sunday the 12th right through to the end of Sunday the 19th with just no surf worth paddling out for. The waves are either too small, the wind is howling onshore, or it’s just plain messy. There’s a few moments with clean conditions, but the swell is barely a ripple, barely reaching 1 ft for days on end. It’s a tough stretch for the river mouth.
Now, mark your calendar for Monday the 20th of July. That’s the one that catches my eye. In the morning, we’re gonna see a pulse of 8 ft NW groundswell with a 7-second period. The wind will be light out of the W, setting up clean conditions. The combined wave energy will be moderate, coming in at 550. This is the standout of the entire outlook – the biggest, cleanest swell we see. It’s gonna be punchy, and over 5 ft, so it’s not for the absolute beginners, but for the rest of you, it’s the window. Get it while it’s good. The afternoon gets a bit more iffy with a cross-shore wind, so the morning is the clear call for a session.
The rest of the second week is slim pickings. Tuesday the 21st has a tiny 2 ft leftover with clean conditions, but it’s weak, with a combined energy of just 137 – a real knee-high dribbler. Then we’re into another dry spell with little to no swell, just some small, weak pulses. Sunday the 26th has a bit of life with 4 ft from the WNW on Sunday morning, and the wind goes glassy in the afternoon for a 4 ft wave, but both are short-period and low energy.
So the one to chase is Monday the 20th of July, first light at Devonport Rivermouth. It’s not consistent, but when it shows up, it’ll be the best of the bunch. Keep an eye on the forecasts, as things can change.
Rusty, signing off.
Short Range ForecastLight rain (total 3mm), mostly falling on Mon morning. Very mild (max 12°C on Sun night, min 8°C on Mon night). Winds decreasing (strong winds from the WNW on Mon afternoon, light winds from the WSW by Tue night). | Days 4-6 Weather SummaryMostly dry. Very mild (max 15°C on Thu morning, min 8°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Sunday 12 | Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | |||||||||||||||
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 8 | NW 8 | WNW 8 | NW 8 | NW 8 | NW 8 | WNW 7 | WNW 7 | NW 15 | NW 15 | NW 15 | NW 15 | WNW 15 | NW 15 | NW 17 | NW 16 | NW 16 | NW 15 | NW 14 | NW 13 | WNW 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 606 | 886 | 587 | 922 | 1332 | 502 | 175 | 180 | 78 | 34 | 35 | 33 | 21 | 34 | 12 | 41 | 39 | 34 | 32 | 28 | 17 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | glassy | cross | glassy |
High Tide | 8:56PM3.29m | 10:02AM3.23m | 9:58PM3.32m | 11:03AM3.29m | 11:00PM3.34m | 12:02PM3.33m | 00:01AM3.33m | 12:59PM3.34m | 1:01AM3.30m | 1:55PM3.33m | 2:01AM3.24m | 2:47PM3.29m | 3:00AM3.18m | ||||||||
Low Tide | 2:49PM1.18m | 3:27AM0.46m | 3:53PM1.16m | 4:29AM0.39m | 4:58PM1.12m | 5:31AM0.36m | 6:03PM1.06m | 6:32AM0.36m | 7:05PM0.99m | 7:31AM0.41m | 8:04PM0.93m | 8:28AM0.50m | 9:00PM0.88m | ||||||||
 |  |  |  | | | |  | | | | | | |  | | | | | | | |
 | 7:37 | — | — | 7:37 | — | — | 7:37 | — | — | 7:35 | — | — | 7:35 | — | — | 7:35 | — | — | 7:33 | — | — |
 | — | 5:01 | — | — | 5:02 | — | — | 5:02 | — | — | 5:04 | — | — | 5:05 | — | — | 5:06 | — | — | 5:06 | — |
mm | — | — | — | 1 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 11 | 10 | 12 | 12 | 11 | 9 | 11 | 11 | 11 | 13 | 12 | 13 | 15 | 14 | 11 | 14 | 13 | 10 | 11 | 11 | 9 |
Feels °C | 4 | 3 | 5 | 5 | 3 | 3 | 5 | 4 | 7 | 9 | 9 | 10 | 11 | 10 | 8 | 12 | 10 | 8 | 9 | 9 | 7 |
Swell 1 Height (m) Direction Period (s) | NNE 6 | — | NW 14 | — | — | — | NW 16 | NW 15 | NW 15 | NW 15 | NW 15 | NW 15 | WNW 15 | NW 15 | NW 14 | NW 16 | NW 16 | NW 15 | NW 14 | NW 13 | NNW 4 |
| kJ | 3 | — | 147 | — | — | — | 119 | 80 | 78 | 34 | 35 | 33 | 21 | 34 | 8 | 41 | 39 | 34 | 32 | 28 | 1 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NW 17 | — | — | NW 3 | — | — | WNW 13 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 12 | — | — | 2 | — | — | 17 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 8 | NW 8 | WNW 8 | NW 8 | NW 8 | NW 8 | WNW 7 | WNW 7 | WNW 6 | WNW 5 | WNW 5 | WNW 4 | WNW 4 | WNW 3 | WNW 3 | NW 4 | NW 4 | — | — | — | — |
| kJ | 606 | 886 | 587 | 922 | 1332 | 502 | 175 | 180 | 62 | 29 | 23 | 11 | 7 | 4 | 1 | 4 | 8 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 220 | 823 | 350 | 391 | 1071 | 184 | 184 | 184 | 184 | 184 | 184 | 184 | 178 | 184 | 184 | 184 | 184 | 131 | 178 | 178 | 131 |
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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