
Surf Forecasts:
Watermans surf forecast from 12 Sep 2026:
- Best quality surf: Monday 14 Sep, 2AM (local time) - 8ft (2.5m), 15s period, WSW swell with cross-offshore winds.
- Most powerful swell: Friday 18 Sep, 8PM (local time) - 8ft (2.5m), 15s period, WSW swell with 3,283 kJ wave energy.
- Next surfable swell (1★+): Monday 14 Sep, 2AM (local time) - 8ft (2.5m), 15s 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 Monday (Sep 14) at 2AM. The primary swell is predicted to be 2.5m and 15s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Watermans in the next 16 days are 2.5m 15s and forecast to arrive on Friday (Sep 18) 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 Monday (Sep 14) at 11PM.
| Wave Type | Time (AWST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Mon 14th Sep) | 8ft (2.5m) 15s |
| Best Surf | 2AM (Mon 14th Sep) | 8ft (2.5m) 15s |
| Most Powerful | 8PM (Fri 18th Sep) | 8ft (2.5m) 15s |
Table - best surf conditions forecast for Watermans over the next 16 days.
The Lowdown
Alright, let’s get this sorted. The first few days are a bit of a write-off, so we’re going to have to be patient. There's some size, but the wind and conditions are just not cooperating to make it worth paddling out. But don't give up on it, there are some windows of real magic if you know when to look.
The early action is a no-go for the most part. We have some solid swell, but the wind is blowing straight onshore or cross-onshore, making everything messy. Sunday the 13th is out, it’s just lumpy with that west wind. We’re looking at some energy around the 6ft mark but it’s not clean and those are just frustrating waves. You’ll spend more time fighting the chop than actually getting a ride.
The first real green light comes on Monday morning, the 14th, at Watermans. The forecast flips to a light offshore east wind, and it’s going to be clean with 7.8ft of swell coming from the WSW. The period is a decent 14 seconds, so there’s some proper push behind it. The combined energy is strong, hitting 2222, so you know there’s a lot of water moving. This is the best stuff on offer for the early part of the week. It's a reef break, so it's going to handle that size well. There might be a few out, but it’s worth it. Tuesday the 15th also looks good, with a moderate offshore easterly again, keeping the waves clean and in the 6.8ft range. It'll be a touch softer but still a good session.
After that, it gets a bit patchy. The swell backs off a little on Wednesday, the 16th, and we’re looking at a smaller, less powerful swell. The pick of the day might be Wednesday afternoon when it goes glassy with a tiny 4.2ft swell. It’ll be clean, but you’ll be hunting for waves. Thursday the 17th is a complete mess with a strong cross-onshore wind and poor conditions, so give it a miss. Friday the 18th has size, but that north-northwest wind is going to chop it up. It’s not our day.
Next weekend, the 19th and 20th, looks like a bit of a write-off too. We have the size, over 7ft, but the wind is all over the place, so it's going to be lumpy and hard to ride. There’s a better chance on Sunday the 20th morning when the wind drops, but it's just cross-shore and light, so still not perfect. It’s not the best time to be a surfer around here.
Then we get to the long-range stuff, which starts to look interesting. From the 21st, the swell swings around to the southwest, but it's still cross-onshore with light winds. The really promising part is the 23rd of September, that Wednesday. The swell jumps up, with 7.8ft to 8.2ft on the cards and the period stretching out to a very long 18 seconds. That’s a proper groundswell, packing some serious punch. The combined energy is off the charts, reaching 5037 on Wednesday morning. The downside is the wind is light cross-onshore, but with that much energy, it could still be worth the paddle.
The standout of the whole run has to be Friday the 25th of September. The afternoon looks like it’s going to be firing. We have a solid 9.8ft of WSW groundswell with a 14-second period and, critically, a moderate offshore east-southeast wind. That’s the cleanest, most powerful combo we see in the whole forecast period. The combined energy is a massive 4710. This is a day for experienced surfers only; 10ft at a reef break with that much energy is serious, but if you know what you’re doing, this will be the day to remember. It’s a week and a half out, so treat it as promising rather than certain, but it is the one to circle on the calendar.
The tail end of the period, the 26th and 27th, has some more clean, offshore conditions with a good 7.2-7.5ft swell. The 27th even goes glassy in the afternoon with a long-period SW groundswell around the 5.9ft mark, which could be a nice, clean finish. But that Friday looks like the real winner.
In short, don't stress about the flat, choppy days. That Monday the 14th is your early-week score, and keep your fingers crossed for that Friday the 25th. It has the potential to be a proper standout.
Short Range ForecastMostly dry. Warm (max 24°C on Tue afternoon, min 14°C on Sat night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 4mm), mostly falling on Fri afternoon. Warm (max 27°C on Wed afternoon, min 16°C on Thu night). Winds decreasing (fresh winds from the E on Tue night, calm by Wed afternoon). | ||||||||||||||||||
Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | ||||||||||||||
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) | WSW 14 | WSW 14 | WSW 16 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 16 | WSW 14 | WSW 14 | WSW 13 | WSW 8 | WSW 16 | WSW 15 |
Wave Graph | |||||||||||||||||||
800 | 1413 | 2271 | 2598 | 2222 | 2222 | 2089 | 1900 | 1724 | 1351 | 731 | 561 | 697 | 612 | 577 | 427 | 782 | 1592 | 2976 | |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | on | cross-off | off | cross-on | off | off | off | off | cross-off | glassy | cross | cross-on | cross-on | cross | cross | cross-on | cross-on |
High Tide | 10:27PM0.50m | 10:43AM0.37m | 10:37PM0.55m | 10:46AM0.30m | 10:49PM0.59m | 9:06AM0.26m | 11:04PM0.60m | 11:23PM0.60m | 11:50PM0.59m | 00:26AM0.56m | |||||||||
Low Tide | 4:47AM0.23m | 3:35PM0.26m | 5:37AM0.23m | 3:25PM0.24m | 6:31AM0.24m | 3:06PM0.21m | 2:08PM0.18m | 2:01PM0.15m | 2:18PM0.13m | ||||||||||
— | 6:18 | — | — | 6:18 | — | — | 6:16 | — | — | 6:15 | — | — | 6:13 | — | — | 6:13 | — | — | |
6:06 | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:08 | — | — | 6:08 | — | — | 6:09 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 6 |
Temp °C | 16 | 16 | 18 | 18 | 19 | 20 | 19 | 19 | 24 | 22 | 24 | 27 | 26 | 21 | 20 | 19 | 22 | 21 | 15 |
Feels °C | 14 | 13 | 15 | 16 | 16 | 17 | 16 | 15 | 21 | 19 | 21 | 26 | 25 | 18 | 18 | 19 | 18 | 16 | 6 |
Swell 1 Height (m) Direction Period (s) | WSW 10 | WSW 14 | WSW 16 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 16 | WSW 14 | WSW 14 | WSW 13 | WSW 16 | WSW 16 | WSW 15 |
778 | 1413 | 2271 | 2598 | 2222 | 2222 | 2089 | 1900 | 1724 | 1351 | 731 | 561 | 697 | 612 | 577 | 427 | 545 | 1592 | 2976 | |
Swell 2 Height (m) Direction Period (s) | WSW 14 | WSW 17 | — | — | — | — | — | — | — | S 4 | — | — | — | WSW 20 | SW 19 | WSW 18 | WSW 12 | W 15 | — |
800 | 516 | — | — | — | — | — | — | — | 1 | — | — | — | 38 | 88 | 127 | 278 | 38 | — | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | SSW 4 | SE 4 | ESE 4 | — | ENE 3 | NE 3 | — | N 3 | NW 3 | WNW 4 | WNW 5 | WSW 8 | WSW 8 | — |
— | — | — | — | — | 13 | 17 | 10 | — | 3 | 2 | — | 3 | 5 | 15 | 83 | 782 | 459 | — | |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 285 | 358 | 412 | 0 | 0 | 164 | 0 | 0 | 0 | 37 | 30 | 0 | 4 | 282 | 282 | 282 | 188 | 163 | 611 |
Best forecast wave conditions in Perth City Coast | |||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||
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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.










