
Surf Forecasts:
Johanna surf forecast from 7 Sep 2026:
- Best quality surf: Wednesday 9 Sep, 7AM (local time) - 16ft (5.0m), 16s period, SW swell with onshore winds.
- Most powerful swell: Wednesday 9 Sep, 10AM (local time) - 18ft (5.5m), 19s period, SW swell with 23,130 kJ wave energy.
- Next surfable swell (1★+): Tuesday 8 Sep, 1AM (local time) - 8ft (2.5m), 12s period with SW swell.
Best Forecast Surf Conditions for Johanna this week:
The surf forecast for Johanna over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Sep 08) at 1AM. The primary swell is predicted to be 2.5m and 12s period with a secondary swell of 1.4m and 19s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Johanna in the next 16 days are 5.5m 19s and forecast to arrive on Wednesday (Sep 09) at 10AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 5s period and expected on Sunday (Sep 13) at 1PM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1AM (Tue 8th Sep) | 8ft (2.5m) 12s |
| Best Surf | 7AM (Wed 9th Sep) | 16ft (5.0m) 16s |
| Most Powerful | 10AM (Wed 9th Sep) | 18ft (5.5m) 19s |
Table - best surf conditions forecast for Johanna over the next 16 days.
The Lowdown
G’day, it’s Rusty here, and I’ve got a look at the next couple of weeks for us. We’ve got a big run of swell coming, but it’s not all going to be easy to surf. The standout window is clear, so let’s get into it.
Johanna is our only break on the radar, and honestly, it’s going to be a wild ride. The water temp is sitting at 57°, which is about average for this time of year, so no surprises there.
The first real pulse arrives on Monday, the 7th of September. We’ve got a 8 ft SW swell rolling in, but it’s coming with a 15 km/h onshore wind from the SSW. The energy is solid at 1650, but it’s a bit messy. Hold off.
Then Tuesday the 8th brings a bigger, longer-period swell. Morning sees a 7 ft SW swell with a 18-second period – that’s some serious groundswell energy (4359), but the wind is cross-shore from the WNW. It’ll be a bit lumpy. The afternoon pushes up to 10 ft SW at 17 seconds, with a cross-shore wind from the west. The energy jumps to 5422, but it’s still not clean.
Now, Wednesday the 9th is where it gets huge. This is a standout, but only for experts. The morning has a 18 ft SW swell with a 19-second period – that’s a very long-period groundswell, and the energy is through the roof at 23130. The wind is onshore from the SSW at 30 km/h, but it’s favorable for the break. This is massive, but with that size and period, it’s going to be a freight train. Only for the hardcore. The afternoon stays big at 20 ft SW, 17 seconds, and 20944 energy, with the same onshore wind. This is not for beginners – too big for anyone not experienced.
Thursday the 10th is still oversized. Morning has a 16 ft SW swell at 16 seconds, with a cross-onshore wind from the SW. The energy is 13926, and it’s choppy. The afternoon drops slightly to 15 ft SW, still 16 seconds, and an onshore wind. Still a big, tricky day.
Friday the 11th drops to 12 ft SW, 14-15 seconds, with light onshore winds. The energy is still substantial (4684 and 6215), but the wind is on, so it’s not clean.
The best of the bunch looks like Saturday the 12th of September. The morning has a 12 ft SW swell at 15 seconds, but the wind is glassy from the NNW. Absolutely clean. The energy is 5090. The notes say “exceptional surf conditions for expert surfers.” This is your window. The afternoon is similar, 10 ft SW at 15 seconds, glassy, with 3822 energy. If you’re experienced, this is the day.
Sunday the 13th and Monday the 14th see the swell dropping to 8 ft to 7 ft, with a cross-off wind from the NW. The energy is around 2500-1652. The waves are cleaner but smaller. Tuesday the 15th gets messy again with a 12 ft WSW swell and onshore wind.
Then we get a second run of big swell starting Thursday the 17th of September. The morning has a 16 ft SW swell, 14 seconds, 10295 energy, with an onshore wind. The afternoon is better: 15 ft SW, 14 seconds, 10570 energy, with a light cross-onshore breeze. The notes say “marginal” but the score is decent. Still, it’s big.
Friday the 18th drops to 7 ft WSW, 15 seconds, with a clean cross-off wind from the NNW. Energy is 2602. Nice, clean waves for experienced surfers.
Saturday the 19th is small, with 3 ft to 4 ft WSW swell, 16-17 seconds. The morning is clean, but it’s tiny.
The final standout is Sunday the 20th of September. The morning has a 10 ft WSW swell at 15 seconds, with a clean cross-off wind from the NW. Energy is 3938. Then the afternoon turns glassy – zero wind from the east – with a 8 ft WSW swell, 14 seconds, and 4339 energy. The notes say “excellent surf conditions for experienced surfers.” This is a late, clean, solid option.
After that, Monday the 21st and Tuesday the 22nd get messy with cross-shore winds and onshore winds, and the energy drops. So, your best bets are Saturday the 12th and Sunday the 20th. The 12th is glassy and solid, the 20th has glassy afternoon conditions. Don’t bother with the first few days unless you’re chasing the biggest, messiest swell of the season.
Rusty.
Short Range ForecastLight rain (total 2mm), mostly falling on Tue night. Very mild (max 12°C on Tue morning, min 5°C on Mon night). Winds increasing (calm on Mon night, fresh winds from the SW by Tue night). | Days 5-7 Weather SummaryMostly dry. Warm (max 22°C on Sun morning, min 9°C on Thu night). Wind will be generally light. | |||||||||||||||||||
Mon 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | ||||||||||||||
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) | SW 9 | SW 12 | SW 18 | SW 17 | SW 16 | SW 19 | SW 17 | SW 17 | SW 16 | SW 16 | SW 15 | SW 14 | SW 15 | SW 16 | SW 15 | SW 15 | SW 15 | SW 16 | WSW 16 | WSW 15 |
Wave Graph | ||||||||||||||||||||
1032 | 2077 | 2750 | 5392 | 9613 | 23130 | 20944 | 21226 | 13926 | 10661 | 6178 | 4684 | 6215 | 7137 | 5090 | 3822 | 3034 | 2545 | 2550 | 2140 | |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | glassy | cross | cross | on | on | on | on | cross-on | on | glassy | on | on | off | glassy | glassy | cross-off | cross-off | cross-off | cross-off |
High Tide | 8:14AM0.37m | 3:33PM0.37m | 10:43AM0.38m | 11:24AM0.40m | 10:19PM0.32m | 11:51AM0.42m | 11:39PM0.38m | 12:17PM0.43m | 00:30AM0.44m | 12:42PM0.44m | 1:11AM0.48m | |||||||||
Low Tide | 11:32PM0.08m | 11:53AM0.35m | 00:58AM0.12m | 3:17AM0.14m | 5:45PM0.26m | 4:54AM0.14m | 6:00PM0.20m | 5:53AM0.13m | 6:25PM0.14m | 6:38AM0.12m | 6:52PM0.09m | |||||||||
— | — | 6:39 | — | — | 6:37 | — | — | 6:35 | — | — | 6:33 | — | — | 6:33 | — | — | 6:31 | — | — | |
6:07 | — | — | 6:08 | — | — | 6:09 | — | — | 6:10 | — | — | 6:12 | — | — | 6:13 | — | — | 6:14 | — | |
mm | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 11 | 8 | 12 | 12 | 11 | 11 | 11 | 10 | 11 | 11 | 10 | 12 | 12 | 10 | 17 | 17 | 15 | 22 | 21 | 20 |
Feels °C | 7 | 6 | 8 | 7 | 5 | 4 | 5 | 5 | 7 | 8 | 8 | 9 | 10 | 7 | 14 | 15 | 13 | 17 | 17 | 16 |
Swell 1 Height (m) Direction Period (s) | SW 9 | SW 12 | SW 13 | SW 17 | SW 24 | SW 19 | SW 17 | SW 17 | SW 16 | SW 16 | SW 15 | SW 14 | SW 15 | SW 16 | SW 15 | SW 15 | SW 15 | SW 16 | WSW 16 | WSW 15 |
1032 | 2077 | 1609 | 5392 | 203 | 23130 | 20944 | 21226 | 13926 | 10661 | 6178 | 4684 | 6215 | 7137 | 5090 | 3822 | 3034 | 2545 | 2550 | 2140 | |
Swell 2 Height (m) Direction Period (s) | WSW 13 | SW 19 | SW 18 | — | — | — | — | — | — | — | SW 26 | — | — | — | — | — | — | — | NE 4 | SSW 11 |
277 | 1365 | 2750 | — | — | — | — | — | — | — | 26 | — | — | — | — | — | — | — | 5 | 22 | |
Swell 3 Height (m) Direction Period (s) | SW 21 | SW 15 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
341 | 424 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | — | — | — | W 4 | SW 16 | — | — | — | — | — | — | — | — | — | — | — | — | NW 4 | N 4 | NNE 4 |
— | — | — | 30 | 9613 | — | — | — | — | — | — | — | — | — | — | — | — | 21 | 10 | 13 | |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 262 | 0 | 18 | 21 | 548 | 718 | 1633 | 542 | 161 | 151 | 0 | 18 | 21 | 0 | 0 | 0 | 0 | 32 | 18 | 21 |
Best forecast wave conditions in Far West of Victoria | ||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||
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Information about the Johanna Surf forecast
The above surf forecast table for Johanna provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Johanna can be found by selecting the local surf guide option on the grey menu. Our Johanna 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 (Johanna) 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 Johanna 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.
Johanna is 93 km (58 miles) from the city of Warrnambool. If you plan a holiday in Far West of Victoria, look for hotels and other accommodation in Warrnambool. Warrnambool has rooms for a wide range of budgets as well as car hire and transport links.










