Watermans Surf Break

Lat Long: 31.83° S 115.74° E

Watermans Surf Forecast and Surf Report

Issued: 1 am 16 Sep 2026 (local time)

Forecast update in  hr  min

Today's Watermans sea temperature is
18.1°C
0.5° 

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


Watermans surf forecast from 15 Sep 2026:

  • Best quality surf: Sunday 20 Sep, 11AM (local time) - 6ft (1.8m), 13s period, WSW swell with glassy winds.
  • Most powerful swell: Saturday 19 Sep, 8AM (local time) - 11ft (3.5m), 15s period, WSW swell with 5,687 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 16 Sep, 8AM (local time) - 5ft (1.6m), 14s period with WSW 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 (Sep 16) at 8AM. The primary swell is predicted to be 1.6m and 14s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Watermans in the next 16 days are 3.5m 15s and forecast to arrive on Saturday (Sep 19) at 8AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Thursday (Sep 17) at 2AM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Wed 16th Sep)5ft (1.6m) 14s
Best Surf11AM (Sun 20th Sep)6ft (1.8m) 13s
Most Powerful 8AM (Sat 19th Sep)11ft (3.5m) 15s

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


The Lowdown

G’day, Rusty here. We’ve got a solid 16-day run ahead at Watermans, but it’s not all smooth sailing. The first few days are a write-off with messy onshore winds and poor surf quality, so don’t bother paddling out until the weekend. The good news is that a clean glass-off window arrives Sunday the 20th, and there's a proper standout session shaping up a week later on the 25th—if you can handle some size.

Watermans is a reef break, beginner-friendly when it’s small, but don’t get caught out when it pumps. The water’s sitting at 65°F, which is about average for this time of year. No surprises there.

Wednesday the 16th is a tease—5 ft of WSW swell at 14 seconds, but that 16 mph NE cross-off breeze keeps it clean. Combined energy’s moderate at 870, and the afternoon eases to 4 ft with a lighter ENE breeze. It’s rideable but not worth rushing.

Thursday the 17th and Friday the 18th are total washouts. Onshore winds crank up from the NW, hitting 19 mph on Friday, and the swell runs straight into a cross-on chop. Friday afternoon’s got a big energy spike—1704 (moderate energy)—but it’s lumpy and ugly. Leave the board in the truck.

Saturday the 19th turns nasty: 12 ft of WSW swell with howling 19 mph onshore winds. That’s 4957 energy points (strong wave energy), but it’s a beast only for the brave, and honestly, it’s more kite-surf territory. Not for paddle surfing.

Sunday the 20th morning – that’s your first real window. The swell drops to 6 ft from the WSW, period 13 seconds, and it goes glassy with a 3 mph northerly breeze. Combined energy sits at 1340 (moderate), and the report says excellent conditions for experienced surfers. The 6 ft is pushing into expert-only territory, but those clean, peeling waves will be worth the paddle. Expect crowds—it’s a spot that’s often busy.

Monday the 21st morning holds 8 ft of WSW swell, 15-second period, with a light offshore NNE breeze. Energy’s 2615 (strong). Clean and powerful, but again, this is for experienced surfers only. Tuesday the 22nd chills out to 6 ft but with cross-on wind, so it’s just marginal.

Wednesday the 23rd and Thursday the 24th are also marginal—swell between 4 ft and 6 ft, but winds shift onshore or cross-on. Nothing to get excited about.

Now Friday the 25th – this is the standout. The morning delivers 10 ft of WSW swell with a very long 19-second period, a gentle cross-on breeze, and energy reading a massive 6560 (very strong wave energy). That’s groundswell with serious travel time. The direction matches the break’s optimum (WSW), so expect long, lined-up sets. It’s a reef, so it should handle that period beautifully—though at this size, it’s expert-only. It gets messy by afternoon as 16 mph WNW cross-on winds kick in, so get in early.

Saturday the 26th is a blowing mess: 8 ft+ with 22 mph onshore winds. Not recommended.

Sunday the 27th morning goes glassy again—5 ft, 14-second WSW swell, and zero wind. Energy’s 1066 (moderate). Clean conditions for experienced surfers, but with a good crowd likely.

The final days into the 30th and 1st of October stay smaller (6 ft to 7 ft) and mostly cross or glassy, but the consistency fades. The 30th morning has a lovely glass-off with 6 ft from the SW, a 16-second period—clean and inviting.

The standout windows are Sunday the 20th morning for clean, overhead surf, and Friday the 25th morning for the big, powerful groundswell. Both are for experienced surfers. Get on it.

Rusty.

Short Range Forecast

Light rain (total 3mm), mostly falling on Fri night. Warm (max 29°C on Wed afternoon, min 16°C on Thu night). Winds increasing (light winds from the NW on Thu night, fresh winds from the NW by Fri night).

Days 4-6 Weather Summary

Light rain (total 2mm), mostly falling on Sun morning. Warm (max 22°C on Mon morning, min 15°C on Sun morning). Winds decreasing (fresh winds from the W on Sat morning, calm by Sun afternoon).

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)
2
3
1
0
0
2
0
0
0
0
0
2
4
2
4
4
2
3
2
0
4
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.5
WSW
14
1.3
WSW
14
1.2
WSW
15
1.2
WSW
14
1.1
WSW
14
1
WSW
13
0.8
WSW
17
1.2
WSW
18
3.5
W
13
3.5
WSW
15
3
WSW
14
2.3
WSW
13
1.8
WSW
13
1.7
WSW
12
2.1
WSW
16
2.4
WSW
15
2.4
WSW
16
2.1
WSW
15
1.7
WSW
14
1.6
WSW
14
1.7
SW
14
Wave Graph
Metric surfscale
Energy kJ
870
561
616
553
447
326
313
877
4000
4957
3448
1849
1028
824
2206
2615
2682
1972
1191
996
1138
Wind (km/h)
20
NE
15
ENE
25
NE
20
NW
20
WNW
15
NNE
30
NW
30
NW
35
W
30
W
20
W
10
WNW
5
NNW
10
SSW
10
ESE
10
NNE
20
SSW
10
S
10
SW
15
SSW
15
SSE
Wind State
cross-off
cross-off
cross-off
cross-on
cross-on
cross-off
cross-on
cross-on
on
on
on
on
glassy
cross
cross-off
cross-off
cross
cross
cross-on
cross-on
cross-off
High Tide
11:23PM0.60m
11:50PM0.59m
00:26AM0.56m
1:43AM0.53m
5:24AM0.54m
6:24AM0.55m
Low Tide
2:08PM0.18m
2:01PM0.15m
2:18PM0.13m
2:37PM0.11m
2:49AM0.53m
2:54PM0.11m
3:07PM0.11m
3:13PM0.12m
clear
part cloud
clear
clear
clear
part cloud
part cloud
cloud
rain showers
part cloud
part cloud
part cloud
light rain
cloud
clear
clear
clear
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:15
6:13
6:13
6:11
6:09
6:09
6:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:08
6:08
6:09
6:09
6:10
6:12
6:12
 mm
3
2
Temp °C
24
29
25
25
22
18
22
20
16
16
17
17
16
17
17
22
21
17
17
18
17
Feels °C
21
27
24
22
19
19
16
15
9
9
11
13
16
15
14
19
17
14
16
16
15
  • Map Icons:
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  • 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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