Surf Forecasts:
Fourth Beach surf forecast from 20 Aug 2026:
- Best quality surf: Wednesday 26 Aug, 8PM (local time) - 11ft (3.5m), 19s period, SW swell with onshore winds.
- Most powerful swell: Thursday 27 Aug, 8PM (local time) - 15ft (4.5m), 16s period, SW swell with 8,675 kJ wave energy.
- Next surfable swell (1★+): Thursday 20 Aug, 11PM (local time) - 8ft (2.5m), 16s 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 Thursday (Aug 20) at 11PM. The primary swell is predicted to be 2.5m and 16s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Fourth Beach in the next 16 days are 4.5m 16s and forecast to arrive on Thursday (Aug 27) 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 0.7m 5s period and expected on Sunday (Aug 23) at 2AM.
| Wave Type | Time (AWST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Thu 20th Aug) | 8ft (2.5m) 16s |
| Best Surf | 8PM (Wed 26th Aug) | 11ft (3.5m) 19s |
| Most Powerful | 8PM (Thu 27th Aug) | 15ft (4.5m) 16s |
Table - best surf conditions forecast for Fourth Beach over the next 16 days.
The Lowdown
G'day, it's Rusty here. Look, we've got one spot on the radar for this 16-day window: Fourth Beach. It's an advanced wave that's exposed to a SW swell, so when it's on, it pumps, but you've gotta know what you're doing. The water temp is sitting right on the money at 61.3°, pretty much bang on average for this time of year, so nothing weird going on there.
The first real call is for Friday the 21st. A solid 8.2ft SSW groundswell is rolling in with a 15-second period and the combined energy is pumping hard at 3384 – that's proper strong. But the real magic is the wind: it's glassy zero. That's the standout. If you're an experienced surfer, Friday morning is your window. The next morning, Saturday the 22nd, is also a cracker with 6.6ft SSW swell, a 14-second period, and a moderate offshore wind from the north keeping it clean. Energy is still strong at 2997.
The rest of the first week gets messy. Sunday the 23rd is a write-off with choppy onshore winds. Monday the 24th and Tuesday the 25th have some clean moments, but the surf is smaller or the winds are side-shore. The real crowd is on Friday morning.
Looking further out, Saturday the 30th of August has one truly tasty moment: Sunday morning the 30th. A 3.9ft SSW groundswell with a 19-second period – that's very long period, groundswell. Combined energy is still strong at 1583, and the wind is a cross-offshore from the WNW, keeping it clean. For an advanced break like this, that long period will really wrap in and offer up some proper lines. Then Monday the 31st morning has a clean 5.6ft SSW swell with a 17-second period and light cross-offshore wind. Into September, Tuesday the 1st morning has a strong 8.2ft SW swell, offshore NW wind, and high energy at 3135, but the water will be getting into spring. All the other days after that are torched by onshore wind or big, messy conditions. So, your two true standouts are Friday 21st morning and Sunday 30th morning.
Short Range ForecastMostly dry. Warm (max 22°C on Sat afternoon, min 13°C on Thu night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 22°C on Tue afternoon, min 10°C on Mon night). Wind will be generally light. | |||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | ||||||||||||||
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 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 16 | SSW 16 | SSW 14 | SSW 14 | SSW 17 | SSW 15 | SSW 14 | SSW 13 | SSW 13 | SSW 12 | SSW 13 | SSW 15 | SSW 19 | SW 17 |
Wave Graph  | ||||||||||||||||||||
 kJ | 3197 | 3779 | 3371 | 2767 | 2349 | 1582 | 2681 | 1856 | 1210 | 921 | 1422 | 2767 | 1997 | 1471 | 1134 | 857 | 1144 | 2411 | 4156 | 4939 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | off | glassy | cross-on | cross-off | off | cross-on | off | cross-on | cross-on | cross-on | cross-on | cross-on | cross-off | off | cross-off | cross-off | cross | on | glassy |
High Tide | 2:34AM0.82m | 7:56AM0.80m | 8:35AM0.87m | 9:05AM0.93m | 11:55PM0.53m | 9:34AM0.99m | 11:14PM0.56m | 10:03AM1.03m | 11:13PM0.60m | |||||||||||
Low Tide | 6:10PM0.26m | 6:09PM0.25m | 5:53PM0.25m | 5:24PM0.24m | 5:08PM0.21m | 2:26AM0.52m | 5:09PM0.19m | 3:17AM0.45m | 5:19PM0.18m | 3:53AM0.39m | ||||||||||
 |  | | | | | |  |  | | |  | | | | | | | |  | |
 | — | — | 6:24 | — | — | 6:24 | — | — | 6:22 | — | — | 6:22 | — | — | 6:20 | — | — | 6:18 | — | — |
 | 5:24 | — | — | 5:25 | — | — | 5:27 | — | — | 5:27 | — | — | 5:28 | — | — | 5:29 | — | — | 5:30 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 7 |
Temp °C | 15 | 15 | 16 | 17 | 15 | 19 | 22 | 19 | 16 | 15 | 15 | 14 | 14 | 13 | 17 | 22 | 21 | 17 | 16 | 14 |
Feels °C | 12 | 13 | 16 | 15 | 12 | 15 | 19 | 15 | 13 | 11 | 10 | 10 | 10 | 11 | 12 | 20 | 19 | 13 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 16 | SSW 16 | SSW 14 | SSW 14 | SSW 13 | SSW 15 | SSW 14 | SSW 13 | SSW 13 | SSW 12 | SSW 13 | SSW 15 | SSW 19 | SW 17 |
| kJ | 3197 | 3779 | 3371 | 2767 | 2349 | 1582 | 2681 | 1856 | 1210 | 921 | 1100 | 2767 | 1997 | 1471 | 1134 | 857 | 1144 | 2411 | 4156 | 4939 |
Swell 2 Height (m) Direction Period (s) | — | — | S 26 | SW 24 | SSW 20 | SSW 18 | — | — | SW 20 | SW 18 | SSW 17 | — | — | SSW 16 | — | SSW 18 | SSW 16 | SW 23 | SW 15 | — |
| kJ | — | — | 13 | 141 | 1024 | 1415 | — | — | 15 | 84 | 1422 | — | — | 206 | — | 31 | 153 | 768 | 2307 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | SW 20 | E 6 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 60 | 3 | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | ENE 3 | — | — | ENE 5 | SSW 14 | SSW 5 | SSW 5 | — | — | — | NW 3 | — | — | — | — | WSW 6 |
| kJ | — | — | — | — | 8 | — | — | 19 | 630 | 38 | 27 | — | — | — | 6 | — | — | — | — | 302 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 288 | 0 | 0 | 120 | 120 | 0 | 1390 | 0 | 578 | 1057 | 232 | 232 | 389 | 1 | 0 | 0 | 3 | 160 | 288 | 0 |
Best forecast wave conditions in Far South of Western Australia | ||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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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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