Fourth Beach Surf Break

Lat Long: 33.89° S 121.84° E

Fourth Beach Surf Forecast and Surf Report

Issued: 7 am 16 Sep 2026 (local time)

Forecast update in  hr  min

Today's Fourth Beach sea temperature is
16.4°C
0.5° 

Fourth Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Fourth Beach surf forecast from 16 Sep 2026:

  • Best quality surf: Monday 21 Sep, 5AM (local time) - 11ft (3.5m), 15s period, SSW swell with cross-offshore winds.
  • Most powerful swell: Monday 21 Sep, 5AM (local time) - 11ft (3.5m), 15s period, SSW swell with 5,051 kJ wave energy.
  • Next surfable swell (1★+): Thursday 17 Sep, 5PM (local time) - 3.5ft (1.1m), 14s 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 (Sep 17) at 5PM. The primary swell is predicted to be 1.1m and 14s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Fourth Beach in the next 16 days are 3.5m 15s and forecast to arrive on Monday (Sep 21) at 5AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Wednesday (Sep 16) at 8PM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+) 5PM (Thu 17th Sep)3.5ft (1.1m) 14s
Best Surf 5AM (Mon 21st Sep)11ft (3.5m) 15s
Most Powerful 5AM (Mon 21st Sep)11ft (3.5m) 15s

Table - best surf conditions forecast for Fourth Beach over the next 16 days.


The Lowdown

G’day, Rusty here. Look, I’ve got to be straight with you—right now, the surf story at Fourth Beach is a bit of a mixed bag, with some real promise buried in there if you’re willing to wait and pick your moments. The forecast is showing some serious pulse of energy coming through, but the wind is going to be a persistent headache for a lot of it. The water temp is sitting at about 62°F, which is pretty much what you’d expect for this time of year, no real surprises there.

We’ve got a pretty solid start Wednesday morning the 16th with a clean 6ft swell from the SSW, with a nice long 14-second period. The wind is cross-off from the NE at 16 mph, so it’ll be clean and lined up. That’s a moderate energy pulse, around 1455. It’s not huge, but it’s a good, surfable size for a lot of people. The afternoon drops off a touch to 5ft, still clean, so you can get a session in if you’re keen. That’s likely your pick for the first few days.

Thursday the 17th is looking smaller and wind-affected. Morning has a fresh offshore from the north at 19 mph, but the swell is down to 4ft—still, it’s clean and offshore, so if you’ve got a log, it could be fun. Energy is weak, around 537. Afternoon gets a bit more manageable with a moderate offshore, but don’t expect much push.

Friday the 18th is a write-off. The morning is small and cross-off, but by the afternoon the wind swings cross-on from the SW, and it’s just messy. Same for Saturday the 19th—the morning has a 4ft SW swell but with a 22 mph cross-off that’s going to create lumpy conditions, and the afternoon is worse with strong cross-shore winds and a 6ft swell, energy jumping to 2797, but it’s just choppy junk.

Sunday the 20th is no good either. Gentle to moderate cross-onshore winds, 5ft to 6ft swell, but it’s bumpy and messy. A bit of a dead run.

Now, Monday the 21st is where things get interesting. The morning has a solid 10ft SSW groundswell with a 15-second period—that’s proper energy, rated at 4076. The wind is cross-off from the NE at 12 mph, so it’s clean. But look, that’s over 8ft, so it’s expert territory only. This is a strong, powerful swell with a very long period that will make the waves stand up, but at a beach break like Fourth Beach, it could close out or be hard to paddle into. If you’re a charger, it’s your window. The afternoon gets blown out with a fresh cross-shore, so aim for the morning.

Tuesday the 22nd drops to 7ft but the wind is cross and then onshore, so it’s not a good option. The rest of that week into the weekend (23rd to 28th) is a real mixed bag—mostly cross-onshore or onshore winds, with swell hanging around 6ft to 7ft. The wind is just not cooperating for clean surf. There’s a small window on Thursday morning the 24th with 4ft of SSW swell and a light offshore from the NNE, giving you clean little waves. Energy is low at 624, but for a log or a fun board, it’s a nice, uncrowded session.

Then we hit a big pulse from around Friday the 25th. The morning sees a massive 12ft SSW groundswell with a 20-second period—that’s extreme energy at 8686. The afternoon is the same size, and the wind is favourable for tide, but it’s simply too big for this break. That’s a warning: the swell is predicted to be too big for Fourth Beach. The following days through to the 1st of October are plagued by strong cross-onshore winds or onshores, with swell hanging around 7ft to 10ft. It’s messy and not worth paddling out.

If you look at the very end of the forecast, Thursday morning the 1st of October has a 8ft groundswell with a 17-second period and a gentle cross-onshore—still not clean, but it’s a smaller pulse. Not a standout.

Overall, your best bet is Wednesday morning the 16th for a clean, fun session, or Monday morning the 21st if you’re an expert and can handle big, powerful, clean surf. The rest of the forecast is mostly wind-affected or too big, so pick your days.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 33°C on Fri afternoon, min 13°C on Wed morning). Winds decreasing (fresh winds from the ENE on Wed night, calm by Fri night).

Days 4-6 Weather Summary

Light rain (total 3mm), mostly falling on Sat morning. Warm (max 21°C on Sat morning, min 11°C on Sun night). Winds decreasing (strong winds from the WSW on Sat afternoon, light winds from the SSW by Sun morning).

Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
3
2
1
1
2
2
1
0
1
0
0
3
0
0
4
4
1
2
1
0
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.9
SSW
14
1.6
SSW
14
1.3
SSW
13
1.1
SSW
15
1.1
SSW
14
1
SSW
14
0.9
SSW
13
0.7
SSW
16
0.6
SW
18
1.2
SW
16
1.9
SW
15
2.4
SW
14
1.6
SW
11
1.9
SSW
13
3
SSW
15
3
SSW
15
2.5
SSW
15
2.1
SSW
15
2
SSW
15
1.9
SSW
14
1.7
SSW
14
Wave Graph
Metric surfscale
Energy kJ
1455
1032
586
537
508
396
309
268
246
729
1568
2261
604
1207
4471
4076
2953
1873
1716
1455
1083
Wind (km/h)
25
NE
25
ENE
30
NNE
30
N
20
N
20
NNW
25
NNW
10
SW
10
W
35
WNW
35
WSW
25
WNW
15
SSW
25
SE
15
ENE
20
NE
30
E
35
NNE
30
W
20
SSW
10
SSW
Wind State
cross-off
cross-off
cross-off
off
off
off
cross-off
cross-on
cross
cross-off
cross
cross-off
cross-on
cross-on
cross-off
cross-off
cross
cross-off
cross
on
cross-on
High Tide
11:02AM0.60m
00:30AM0.92m
10:44AM0.59m
00:51AM0.88m
10:12AM0.59m
1:14AM0.82m
1:38AM0.74m
1:52AM0.66m
8:10AM0.76m
00:09AM0.59m
8:42AM0.82m
10:45PM0.59m
Low Tide
5:10PM0.23m
7:12AM0.51m
5:14PM0.20m
7:41AM0.57m
5:16PM0.20m
5:10PM0.21m
4:48PM0.21m
2:12AM0.66m
4:23PM0.21m
2:31AM0.57m
4:15PM0.19m
2:58AM0.48m
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
rain showers
clear
part cloud
light rain
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:50
5:50
5:48
5:47
5:46
5:43
5:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:44
5:44
5:45
5:45
5:46
5:46
5:47
 mm
2
1
Temp °C
20
25
21
26
30
28
30
33
24
21
20
17
15
14
13
16
19
17
21
18
16
Feels °C
16
20
15
20
24
23
25
30
22
14
12
11
12
10
9
12
15
10
15
13
15
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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