Surf Forecasts:
Fourth Beach surf forecast from 12 Aug 2026:
- Best quality surf: Wednesday 12 Aug, 8PM (local time) - 13ft (4.0m), 15s period, SSW swell with cross-onshore winds.
- Most powerful swell: Thursday 13 Aug, 8PM (local time) - 11ft (3.5m), 17s period, SSW swell with 7,482 kJ wave energy.
- Next surfable swell (1★+): Wednesday 12 Aug, 8PM (local time) - 13ft (4.0m), 15s period with SSW swell.
Best Forecast Surf Conditions for Fourth Beach this week:
The surf forecast for Fourth Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Aug 12) at 8PM. The primary swell is predicted to be 4.0m and 15s period. The wind is predicted to be cross-onshore as the swell arrives.
The most powerful waves expected at Fourth Beach in the next 16 days are 3.5m 17s and forecast to arrive on Thursday (Aug 13) at 8PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 4s period and expected on Monday (Aug 17) at 2AM.
| Wave Type | Time (AWST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Wed 12th Aug) | 13ft (4.0m) 15s |
| Best Surf | 8PM (Wed 12th Aug) | 13ft (4.0m) 15s |
| Most Powerful | 8PM (Thu 13th Aug) | 11ft (3.5m) 17s |
Table - best surf conditions forecast for Fourth Beach over the next 16 days.
The Lowdown
Alright mates, let’s break it down. Water temp is 61°F, right on the money for this time of year. Nothing wild there. But the swell is a different story – we’ve got a heavy, long-period SSW groundswell rolling in. This is a groundswell with 15 to 17-second intervals, so it’s packing some serious punch. At Fourth Beach, a fairly exposed, advanced break, the size is the big issue.
We start rough. Wednesday the 12th and Thursday the 13th, the swell is running 11 to 13 feet. That is a serious amount of water. The combined energy is massive, readings like 6848 and 7305 (very strong). Winds are off or on, but the size is the story – this is for experts only. The call is "too big for this break." We gotta sit tight.
Friday the 14th morning is the first real window. Swell drops to 10 feet from the SSW, still a long 16-second period, energy at 4665 (still strong). But we get a light NNE breeze, cross-off and clean. That is a proper session for the big-wave crew. That’s the standout of the first week. Saturday the 15th morning is cleaner too with a 7-foot SSW swell and a clean offshore NNE wind at 12 mph – more manageable, but the energy drops to 1987.
Then we hit a slump. From Saturday afternoon through Tuesday the 18th, we get choppy winds, marginal conditions, and then a near-gale WSW wind at 31 mph blowing out a 8-foot SW swell. That’s a complete write-off.
We get a gap of poor conditions until a sweet spot on Sunday the 23rd of August. Glassy in the morning, the swell is still a chunky 11 feet from the SSW with a 15-second period and very strong energy at 5232. That is a clean, giant groundswell for experts only, but that glassy surface is a dream. The next good one is Monday the 24th morning: a moderate offshore N wind at 16 mph, 10-foot SSW groundswell, clean. That’s another solid day for the experienced folks.
After that, the energy fades. Wednesday the 26th afternoon sees a glassy 6-foot SSW swell for a mellow evening. And finally, Thursday the 27th morning, a clean offshore N breeze and a tiny 3-foot SW swell – that’s a longboard day.
So, for the brave, Friday the 14th morning is the pick, and that glassy Sunday the 23rd is another big-wave gem. For the rest, wait for the smaller, cleaner windows later in the second week.
- Rusty
Short Range ForecastMostly dry. Very mild (max 18°C on Fri afternoon, min 13°C on Wed night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 6mm), mostly falling on Tue morning. Warm (max 21°C on Mon afternoon, min 12°C on Mon night). Winds increasing (light winds from the NE on Sat afternoon, near gales from the WSW by Tue morning). | |||||||||||||||||||
Wed 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | ||||||||||||||
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) | SSW 15 | SSW 15 | SSW 16 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 16 | SSW 16 | SSW 15 | SSW 19 | SSW 18 | SSW 17 | SW 16 | SSW 16 | SSW 15 |
Wave Graph  | ||||||||||||||||||||
 kJ | 6848 | 5768 | 6369 | 7305 | 6356 | 4665 | 4084 | 2669 | 1987 | 1560 | 1005 | 886 | 1743 | 1158 | 2547 | 1944 | 1775 | 3634 | 1322 | 1238 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-off | cross-off | on | cross-off | cross-off | cross | cross-off | off | cross-on | cross-off | cross-off | cross | cross-off | cross-off | off | cross-off | cross-on | cross-on | cross-off |
High Tide | 00:09AM0.59m | 11:33AM1.12m | 00:12AM0.63m | 11:57AM1.03m | 00:17AM0.68m | 12:11PM0.93m | 00:23AM0.74m | 12:13PM0.83m | 00:33AM0.80m | 11:59AM0.75m | 00:49AM0.84m | 11:37AM0.71m | 1:13AM0.86m | |||||||
Low Tide | 6:29PM0.22m | 4:37AM0.40m | 6:42PM0.28m | 5:10AM0.38m | 6:46PM0.35m | 5:40AM0.39m | 6:41PM0.40m | 6:06AM0.42m | 6:28PM0.41m | 6:30AM0.47m | 6:13PM0.37m | 6:53AM0.53m | 6:05PM0.33m | |||||||
 |  | |  | |  | | | | |  | | | | | |  |  | | | |
 | — | — | 6:33 | — | — | 6:33 | — | — | 6:31 | — | — | 6:31 | — | — | 6:30 | — | — | 6:28 | — | — |
 | 5:20 | — | — | 5:20 | — | — | 5:21 | — | — | 5:22 | — | — | 5:22 | — | — | 5:22 | — | — | 5:23 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 4 | — | — |
Temp °C | 15 | 15 | 15 | 16 | 15 | 16 | 18 | 17 | 16 | 18 | 17 | 18 | 20 | 16 | 18 | 21 | 18 | 15 | 15 | 14 |
Feels °C | 11 | 13 | 13 | 14 | 12 | 13 | 16 | 13 | 11 | 15 | 12 | 13 | 15 | 9 | 9 | 13 | 13 | 4 | 5 | 8 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 15 | SSW 16 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 16 | SSW 16 | SSW 15 | SSW 19 | SSW 18 | SSW 17 | SE 9 | SSW 16 | SSW 15 |
| kJ | 6848 | 5768 | 6369 | 7305 | 6356 | 4665 | 4084 | 2669 | 1987 | 1560 | 1005 | 886 | 1743 | 1158 | 2547 | 1944 | 1775 | 22 | 1322 | 1238 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | SW 12 | SSW 24 | SSW 21 | ESE 7 | E 5 | ESE 9 | — | SE 10 | SSW 8 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 341 | 110 | 934 | 11 | 2 | 26 | — | 24 | 219 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | S 26 | — | — | — | ESE 9 | — | — | — | SW 18 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 13 | — | — | — | 8 | — | — | — | 112 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | NE 4 | NE 4 | ENE 5 | ENE 3 | NE 4 | E 4 | ENE 4 | NE 4 | NNE 4 | WNW 4 | SW 16 | SW 8 | — |
| kJ | — | — | — | — | — | — | — | 19 | 8 | 8 | 9 | 15 | 26 | 57 | 42 | 7 | 13 | 3634 | 496 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 578 | 2 | 2 | 493 | 1 | 0 | 1 | 1 | 0 | 141 | 1 | 1 | 175 | 405 | 373 | 10 | 1057 | 578 | 288 | 4 |
Best forecast wave conditions in Far South of Western Australia | ||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||
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Information about the Fourth Beach Surf forecast
The above surf forecast table for Fourth Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Fourth Beach can be found by selecting the local surf guide option on the grey menu. Our Fourth Beach 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 (Fourth Beach) 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 Fourth Beach 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.
Are you planning a holiday in Far South of Western Australia? If you are looking for accommodation near Fourth Beach, camping, hotels and holiday cottages in Far South of Western Australia, consider staying in Esperance which is 5 km (3 miles) away.
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