Watermans Surf Break

Lat Long: 31.83° S 115.74° E

Watermans Surf Forecast and Surf Report

Issued: 1 am 12 Aug 2026 (local time)

Forecast update in  hr  min

Today's Watermans sea temperature is
17.7° C
1.2° 

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


Watermans surf forecast from 12 Aug 2026:

  • Best quality surf: Tuesday 18 Aug, 8AM (local time) - 10ft (3.0m), 15s period, WSW swell with glassy winds.
  • Most powerful swell: Monday 17 Aug, 8PM (local time) - 11ft (3.5m), 17s period, WSW swell with 7,236 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 12 Aug, 11AM (local time) - 7ft (2.2m), 15s period with SW swell.

Best Forecast Surf Conditions for Watermans this week:

The surf forecast for Watermans over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Aug 12) at 11AM. The primary swell is predicted to be 2.2m and 15s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Watermans in the next 16 days are 3.5m 17s and forecast to arrive on Monday (Aug 17) 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 0.9m 4s period and expected on Wednesday (Aug 19) at 5AM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+)11AM (Wed 12th Aug)7ft (2.2m) 15s
Best Surf 8AM (Tue 18th Aug)10ft (3.0m) 15s
Most Powerful 8PM (Mon 17th Aug)11ft (3.5m) 17s

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


The Lowdown

Alright folks, Rusty here. Let’s talk about what’s on the menu for the next couple of weeks at Watermans. We’ve got a solid run of surf coming, but it’s not all clean and easy. A lot of this swell is big, so we’re looking at a setup for experienced surfers only for most of it.

The water is sitting at 64°, which is a bit colder than usual for this time of year, so you’ll want a decent wetsuit. The core of the action is a long-period SW groundswell that’s going to be hammering the reef. The energy is massive, with combined swell readings reaching into the thousands, so this isn’t a beginner’s playground.

Wednesday the 12th is the real kick-off. The morning is looking glassy with a light NNE breeze, and that 7ft SW swell at 15 seconds is going to be offering some powerful, lined-up waves. The energy is moderate at 1983, but the conditions are clean. This is the standout spot for the early window. The afternoon turns a bit cross-on, so get it early.

Thursday the 13th and Friday the 14th are both promising mornings. Thursday the 13th has a clean 7ft SW swell and a huge 16-second period, making it a proper groundswell. The energy is strong at 2299. Friday the 14th is even better, with a glassy afternoon session on the cards. The swell holds at 7ft and the wind goes dead calm. That’s a window for some seriously good waves.

We hit a bit of a lull in quality on the weekend. Saturday the 15th and Sunday the 16th have decent 6ft to 7ft swell, but the wind is stronger and the condition notes are only marginal. The energy is still there, but it’s not the clean, glassy stuff we had earlier.

Then things get serious. Monday the 17th is a write-off. A massive 12ft SW swell with a 17-second period hits, but the wind is howling onshore at 19 mph, making it a total mess. The energy is extreme at 6520, but for paddle surfing, it’s a no-go. This stretch is more for the kite crew.

Tuesday the 18th and Wednesday the 19th are still big, with 10ft swell, but the wind angle is bad. It’s messy, lumpy, and not what you want to see on a reef.

The pulse really peaks on Thursday the 20th. The morning shows a 13ft swell from the W, with a 14-second period. The energy is massive at 7861. The wind is light and cross, so the sets might be workable for the experts, but it’s serious. The afternoon jumps to a 15ft WSW swell at 17 seconds, with a combined energy of 11066. That’s a huge amount of power. This is a day for the brave, and only the brave.

Friday the 21st is still big and messy, and the 22nd has a window of glassy conditions in the morning with 8ft swell, but the wind picks up again in the afternoon.

The final stretch from the 23rd to the 27th sees the size drop back down to the 5ft to 8ft range. The best of that late run is Wednesday the 26th morning. The wind is glassy, the swell is 7ft from the SW, and the energy is moderate at 2254. It’s a clean, fun session to finish the run.

Keep in mind, this is a reef break and it’s often crowded, so expect company. The guiding principle here is: get on the Wednesday 12th morning, the Friday 14th afternoon, or the Tuesday 26th morning for the cleanest, most manageable waves. The big stuff in the middle is for experts only.

Rusty

Short Range Forecast

Mostly dry. Warm (max 20°C on Fri afternoon, min 11°C on Wed morning). Wind will be generally light.

Days 4-6 Weather Summary

Light rain (total 4mm), mostly falling on Mon afternoon. Warm (max 23°C on Sun afternoon, min 14°C on Sat morning). Winds increasing (light winds from the NNW on Sat afternoon, strong winds from the W by Mon afternoon).

Wednesday
12
Thursday
13
Friday
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
4
2
4
4
2
4
4
4
3
3
3
4
2
3
2
0
0
7
4
4
5
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.2
SW
15
2.1
SW
14
2
SW
15
2.1
SW
16
2.2
SW
17
2.4
SW
16
2.2
SW
16
2.2
SW
16
2
WSW
15
1.9
WSW
14
1.8
WSW
14
1.7
WSW
13
2
WSW
16
2.3
WSW
15
2.2
WSW
15
2
WSW
18
3.5
WSW
17
3.5
WSW
16
3
WSW
15
3
WSW
15
3
WSW
16
Wave Graph
Metric surfscale
Energy kJ
1983
1785
1672
2299
2827
2973
2413
2233
1714
1484
1230
1002
1957
2182
2265
2516
6520
5820
4386
3592
4318
Wind (km/h)
5
NNE
15
SSW
10
ESE
5
ENE
20
SSW
10
E
10
ENE
5
SSE
20
ENE
20
NE
10
SW
15
ENE
25
NE
20
NE
20
N
40
NW
30
WSW
10
WSW
5
NW
10
WNW
15
NNE
Wind State
glassy
cross-on
off
cross-off
cross
off
cross-off
glassy
cross-off
cross-off
cross-on
off
cross-off
cross-off
cross
cross-on
on
cross-on
cross-on
cross-on
cross-off
High Tide
9:01AM0.73m
9:44AM0.67m
00:14AM0.30m
10:20AM0.59m
00:01AM0.36m
10:45AM0.50m
00:07AM0.42m
10:38AM0.41m
00:19AM0.48m
9:26AM0.35m
00:37AM0.52m
8:25AM0.33m
1:02AM0.55m
Low Tide
5:44PM0.04m
5:57PM0.12m
2:36AM0.29m
5:45PM0.19m
3:58AM0.29m
5:18PM0.23m
5:05AM0.30m
4:58PM0.23m
6:11AM0.31m
4:46PM0.21m
7:47AM0.33m
4:30PM0.19m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
rain showers
rain showers
rain showers
cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:56
6:56
6:54
6:54
6:52
6:52
6:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:46
5:47
5:49
5:49
5:50
5:50
5:51
 mm
1
1
2
Temp °C
13
14
14
14
16
14
17
20
18
18
21
19
20
23
21
19
16
16
16
16
16
Feels °C
12
12
12
12
14
10
14
18
15
14
18
16
14
18
16
12
7
10
14
13
14
  • 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 Watermans Surf forecast

The above surf forecast table for Watermans provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Watermans can be found by selecting the local surf guide option on the grey menu. Our Watermans 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 (Watermans) 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 Watermans 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 Perth City Coast? If you are looking for accommodation near Watermans, camping, hotels and holiday cottages in Perth City Coast, consider staying in Perth which is 17 km (11 miles) away. Other places in and around Perth City Coast where you can find information about places to rent, and car hire include Fremantle which is 25 km (16 miles) away, Canning Vale, Gosnells and Kwinana.

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