Surf Forecasts:
Guillotines surf forecast from 11 Sep 2026:
- Best quality surf: Wednesday 16 Sep, 10PM (local time) - 10ft (3.0m), 10s period, S swell with offshore winds.
- Most powerful swell: Wednesday 16 Sep, 10PM (local time) - 10ft (3.0m), 10s period, S swell with 1,631 kJ wave energy.
- Next surfable swell (1★+): Tuesday 15 Sep, 1AM (local time) - 2.5ft (0.8m), 6s period with NE swell.
Best Forecast Surf Conditions for Guillotines this week:
The surf forecast for Guillotines over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Sep 15) at 1AM. The primary swell is predicted to be 0.8m and 6s period with a secondary swell of 0.4m and 10s. Another secondary swell of 0.4m and 3s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Guillotines in the next 16 days are 3.0m 10s and forecast to arrive on Wednesday (Sep 16) at 10PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 6s period and expected on Sunday (Sep 13) at 10PM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1AM (Tue 15th Sep) | 2.5ft (0.8m) 6s |
| Best Surf | 10PM (Wed 16th Sep) | 10ft (3.0m) 10s |
| Most Powerful | 10PM (Wed 16th Sep) | 10ft (3.0m) 10s |
Table - best surf conditions forecast for Guillotines over the next 16 days.
The Lowdown
Alright, let’s switch over to feet and miles for you.
It’s a slow burn to start, no doubt. We’ve got a long stretch of nothing much from now until about the 14th of September. Waves are tiny, wind is rubbish, and it’s all just flat and choppy. About four days of dead water.
The first real sign of life hits on the 16th of September at Guillotines. Wednesday morning brings a solid 10ft swell out of the S, with a 9-second period. The combined energy is pumping at (1439), that’s strong. The wind is fresh offshore from the SSW at 30 km/h, so it’s going to be clean and lined up. But 10ft is big water – experts only. The swell direction is S, but the spot prefers SE, so not a perfect match, but plenty of power. That afternoon the wind goes cross-off, and it’s still 10ft, though the quality drops a notch.
Then Thursday morning the 17th is the real gem. Swell drops to a much more friendly 5ft from the SSE, with a 9-second period. Combined energy is moderate-strong at (452). The wind is glassy – dead calm from the ESE at just 5 km/h. That’s as good as it gets. Clean, shoulder-to-head high waves. Remember, Guillotines is an inconsistent spot, and it does get crowded sometimes, but for this morning, it’s the best bet of the whole outlook.
After that, it fades out. Friday the 18th and the weekend are small and messy. There’s a very long period 18-second swell on Friday afternoon, but it’s only 1ft and blowing onshore, so forget it.
We get a little bump around the 22nd of September. Tuesday morning the 22nd has a glassy 4ft SSE swell with a 7-second period. Combined energy is (172). It’s surfable and clean, but weak. The 23rd and 24th have offshore winds again with waves around 4ft to 5ft, but the period is short, so it’s a bit lumpy and without push.
The last pulse comes in on the 25th of September. Friday morning has a 7ft ENE swell with an 8-second period. Combined energy is (644), so there’s some power. But the wind is cross-on from the ENE at 10 km/h, so it’ll be a bit bumpy. The direction matches the optimum SE better than the earlier swells, which is good, but the wind is the spoiler. Saturday the 26th is similar but a bit smaller, still cross-on. For experts who don’t mind a bit of texture, it’s an option, but it’s not the clean standout.
The one to circle is Thursday morning the 17th of September at Guillotines. Glassy, clean, 5ft of SSE swell. That’s your session.
Rusty.
Short Range ForecastMostly dry. Warm (max 24°C on Mon morning, min 12°C on Fri night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 8mm), mostly falling on Tue afternoon. Warm (max 24°C on Mon afternoon, min 8°C on Tue night). Winds decreasing (fresh winds from the SSW on Wed morning, calm by Thu morning). | |||||||||||||||||||
Fri 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | ||||||||||||||
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) | SSE 9 | SSE 10 | SSE 10 | S 10 | S 9 | S 10 | NE 6 | NE 6 | S 11 | NE 7 | NE 6 | SSE 6 | SSE 6 | S 8 | S 9 | S 9 | S 10 | SSE 9 | SSE 9 | SSE 9 |
Wave Graph  | ||||||||||||||||||||
 kJ | 237 | 159 | 136 | 115 | 81 | 96 | 101 | 120 | 82 | 52 | 45 | 69 | 182 | 583 | 1429 | 1301 | 1207 | 442 | 322 | 203 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-off | cross | off | cross-off | off | cross-off | off | glassy | cross-on | cross-on |
High Tide | 8:17PM1.53m | 8:49AM1.37m | 9:00PM1.44m | 9:25AM1.40m | 9:41PM1.32m | 10:02AM1.40m | 10:23PM1.20m | 10:40AM1.38m | 11:07PM1.08m | 11:20AM1.34m | 11:56PM0.98m | 12:05PM1.29m | 00:54AM0.90m | |||||||
Low Tide | 2:39AM0.09m | 2:50PM0.19m | 3:13AM0.16m | 3:36PM0.21m | 3:46AM0.23m | 4:22PM0.25m | 4:18AM0.32m | 5:10PM0.30m | 4:52AM0.41m | 6:02PM0.37m | 5:28AM0.49m | 7:01PM0.42m | ||||||||
 |  | | | | |  | |  | |  | |  |  | | | | | | | |
 | — | — | 6:03 | — | — | 6:01 | — | — | 6:01 | — | — | 5:58 | — | — | 5:58 | — | — | 5:56 | — | — |
 | 5:45 | — | — | 5:45 | — | — | 5:46 | — | — | 5:47 | — | — | 5:47 | — | — | 5:49 | — | — | 5:50 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 3 | — | — | — | — | — | — |
Temp °C | 15 | 13 | 18 | 17 | 15 | 23 | 23 | 19 | 24 | 24 | 19 | 16 | 11 | 10 | 13 | 13 | 11 | 13 | 12 | 10 |
Feels °C | 12 | 12 | 14 | 13 | 13 | 19 | 19 | 16 | 21 | 21 | 17 | 16 | 6 | 5 | 5 | 6 | 4 | 9 | 8 | 7 |
Swell 1 Height (m) Direction Period (s) | SSE 9 | SSE 10 | SSE 10 | S 10 | S 9 | S 10 | S 10 | NE 6 | NE 7 | NE 7 | NE 6 | SSE 6 | NE 7 | NE 7 | NE 14 | E 14 | E 13 | SSE 9 | SSE 9 | SSE 9 |
| kJ | 237 | 159 | 136 | 115 | 81 | 96 | 94 | 46 | 36 | 52 | 45 | 69 | 27 | 7 | 8 | 4 | 3 | 442 | 322 | 203 |
Swell 2 Height (m) Direction Period (s) | E 15 | SSE 18 | SSE 19 | S 21 | NE 5 | NE 5 | E 13 | S 11 | S 11 | S 10 | SSE 10 | NE 8 | E 13 | E 13 | NE 7 | — | S 18 | E 13 | E 13 | E 13 |
| kJ | 4 | 66 | 68 | 35 | 7 | 9 | 14 | 85 | 82 | 49 | 30 | 46 | 3 | 4 | 2 | — | 7 | 3 | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | E 10 | E 13 | E 14 | E 14 | S 19 | E 13 | S 18 | E 13 | E 13 | E 13 | E 13 | S 9 | E 16 | S 16 | — | — | — | S 18 | S 19 | S 18 |
| kJ | 2 | 3 | 15 | 16 | 29 | 14 | 6 | 14 | 13 | 13 | 12 | 6 | 5 | 5 | — | — | — | 7 | 7 | 6 |
Wind waves Height (m) Direction Period (s) | — | — | — | NE 4 | NNE 5 | NNE 5 | NE 6 | NE 6 | — | — | NW 3 | S 6 | SSE 6 | S 8 | S 9 | S 9 | S 10 | — | — | — |
| kJ | — | — | — | 14 | 28 | 32 | 101 | 120 | — | — | 2 | 139 | 182 | 583 | 1429 | 1301 | 1207 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 17 | 7 | 17 | 235 | 7 | 17 | 107 | 7 | 7 | 7 | 0 | 10 | 1196 | 0 | 814 | 525 | 0 | 0 | 45 | 7 |
Best forecast wave conditions in South Coast - New South Wales | ||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||
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Information about the Guillotines Surf forecast
The above surf forecast table for Guillotines provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Guillotines can be found by selecting the local surf guide option on the grey menu. Our Guillotines 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 (Guillotines) 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 Guillotines 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.
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