Surf Forecasts:
Cape Toi surf forecast from 31 Aug 2026:
- Most powerful swell: Thursday 3 Sep, 12PM (local time) - 10ft (3.0m), 10s period, SE swell with 2,106 kJ wave energy.
Best Forecast Surf Conditions for Cape Toi this week:
The most powerful waves expected at Cape Toi in the next 16 days are 3.0m 10s and forecast to arrive on Thursday (Sep 03) at 12PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 6s period and expected on Thursday (Sep 03) at 9PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 12PM (Thu 3rd Sep) | 10ft (3.0m) 10s |
Table - best surf conditions forecast for Cape Toi over the next 16 days.
The Lowdown
Alright folks, Rusty here, checking in with the outlook for Cape Toi.
Right off the bat, I gotta be straight with you: the next week is a total write-off. We’re looking at a long stretch of poor conditions kicking off Tuesday, the 1st of September, with messy, choppy onshore wind and tiny surf. That carries on through the whole first week with strong winds and rain, so don't even bother. The water temp is sitting around 84°F, which is pretty much bang on average for this time of year.
The first real glimmer of hope doesn't arrive until Wednesday, the 9th of September. The morning session is the standout for the whole forecast. We’ve got a solid, long-period 10-foot groundswell from the ESE, with a period of 13 seconds. That’s proper energy, and you can feel it in the combined swell energy reading of 3355. The wind is a light offshore from the NNE, which is going to groom that reef break into something special. This is excellent, clean surf, but with that size, it's strictly for experienced surfers.
The energy builds even more into Thursday, the 10th of September morning. The swell jumps to a solid 13-foot from the E, the period stays long at 13 seconds, and the wind is light offshore again. The combined energy is a massive 5403, which is huge. This is exceptional for experts, but if you're not comfortable on a big wave, stay well clear. The wind swings more cross-shore in the afternoon, getting a bit lumpy, but the morning window is the one to chase.
After that peak, we see a drop in size on Friday, the 11th of September, with a cleaner 6-foot ESE swell. The wind is light offshore again, making for good conditions. It’s a solid option for the experienced crew.
Beyond that, the outlook gets messy again. By the 12th and 13th, the swell is big but the wind turns onshore, making it choppy and poor. The second week of the forecast looks like a bit of a mixed bag with some big, windy swells and a lot of rain. The call on the 9th and 10th is the one to circle on the calendar, but as always with a long-range forecast, it's promising but not locked in.
Stay salty,
Rusty
Short Range ForecastHeavy rain (total 102mm), heaviest during Thu night. Warm (max 29°C on Tue afternoon, min 25°C on Wed night). Winds increasing (light winds from the E on Tue afternoon, strong winds from the NE by Thu afternoon). | Days 4-6 Weather SummaryHeavy rain (total 285mm), heaviest during Fri morning. Warm (max 27°C on Fri night, min 25°C on Fri morning). Winds decreasing (strong winds from the NNE on Fri afternoon, moderate winds from the NNE by Sun night). | ||||||||||||||||||||
Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | |||||||||||||||
AM | 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) | E 14 | E 14 | SE 8 | SE 9 | SE 9 | SE 8 | SE 10 | SE 10 | SE 9 | SE 9 | ESE 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 8 | ENE 9 | ENE 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 61 | 91 | 517 | 564 | 418 | 382 | 695 | 1933 | 885 | 588 | 644 | 1075 | 522 | 829 | 439 | 256 | 220 | 228 | 510 | 651 | 924 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross | cross | cross-on | cross | cross | cross-on | cross | cross-off | cross-off | cross | cross | cross | cross | cross-off | cross-on | cross-off | cross | cross-on |
High Tide | 8:20PM1.95m | 9:08AM1.79m | 8:48PM1.88m | 10:06AM1.64m | 9:22PM1.79m | 11:33AM1.50m | 10:08PM1.68m | 1:58PM1.49m | 11:35PM1.57m | 3:39PM1.62m | 1:46AM1.58m | 4:27PM1.76m | |||||||||
Low Tide | 2:18PM0.62m | 2:47AM0.38m | 2:51PM0.81m | 3:32AM0.42m | 3:29PM1.02m | 4:31AM0.49m | 4:20PM1.21m | 5:56AM0.55m | 6:20PM1.35m | 7:46AM0.52m | 8:55PM1.29m | 9:12AM0.40m | 10:01PM1.13m | ||||||||
 | |  |  | | |  |  | |  |  |  | | |  | | | | | | | |
 | 5:48 | — | — | 5:50 | — | — | 5:50 | — | — | 5:50 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — |
 | — | 6:38 | — | — | 6:37 | — | — | 6:36 | — | — | 6:35 | — | — | 6:34 | — | — | 6:32 | — | — | 6:30 | — |
mm | 1 | 1 | 3 | — | 2 | 14 | 7 | 3 | 71 | 165 | 57 | 1 | 3 | 1 | 11 | 19 | 16 | 12 | 3 | 2 | 10 |
Temp °C | 28 | 29 | 27 | 29 | 28 | 27 | 25 | 26 | 27 | 25 | 26 | 27 | 26 | 27 | 26 | 26 | 26 | 26 | 27 | 27 | 26 |
Feels °C | 30 | 31 | 29 | 30 | 29 | 28 | 23 | 23 | 26 | 22 | 23 | 25 | 23 | 24 | 23 | 26 | 24 | 26 | 26 | 27 | 27 |
Swell 1 Height (m) Direction Period (s) | SSE 8 | E 14 | E 12 | SE 9 | SE 9 | SE 8 | SE 10 | SE 10 | SE 9 | SE 8 | S 8 | SSW 8 | S 7 | S 7 | ENE 8 | ENE 8 | ENE 7 | S 8 | ENE 8 | ENE 9 | ENE 9 |
| kJ | 209 | 91 | 151 | 564 | 418 | 382 | 695 | 1933 | 885 | 588 | 172 | 245 | 181 | 100 | 439 | 256 | 220 | 51 | 510 | 651 | 924 |
Swell 2 Height (m) Direction Period (s) | E 14 | ENE 11 | E 16 | E 12 | E 11 | E 11 | SSE 12 | ENE 13 | NE 6 | NE 7 | SSW 12 | SW 11 | SE 7 | SSW 10 | S 7 | SSW 8 | S 6 | SSW 8 | S 8 | S 8 | S 9 |
| kJ | 61 | 38 | 5 | 177 | 155 | 149 | 274 | 17 | 157 | 84 | 13 | 5 | 77 | 20 | 61 | 75 | 37 | 14 | 49 | 48 | 56 |
Swell 3 Height (m) Direction Period (s) | ENE 11 | SE 9 | SW 9 | SW 10 | SW 10 | SW 10 | SW 11 | SW 10 | E 10 | ENE 11 | E 16 | E 15 | E 15 | E 15 | SE 6 | SE 6 | S 8 | SE 9 | SE 11 | ESE 11 | ESE 11 |
| kJ | 39 | 22 | 3 | 4 | 4 | 4 | 4 | 4 | 54 | 40 | 5 | 4 | 4 | 4 | 20 | 39 | 34 | 19 | 5 | 12 | 45 |
Wind waves Height (m) Direction Period (s) | — | SSE 8 | SE 8 | — | ENE 6 | ENE 5 | ENE 6 | E 10 | — | SE 9 | ESE 8 | E 8 | ENE 8 | ENE 8 | — | — | SE 6 | ENE 7 | — | — | — |
| kJ | — | 292 | 517 | — | 25 | 49 | 328 | 89 | — | 514 | 644 | 1075 | 522 | 829 | — | — | 47 | 228 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 399 | 370 | 12 | 327 | 12 | 12 | 99 | 167 | 125 | 167 | 327 | 167 | 327 | 658 | 327 | 167 | 167 | 167 | 89 | 125 | 12 |
Best forecast wave conditions in Kyu Shu | |||||||||||||||||||||
Best forecast wave conditions in Japan | |||||||||||||||||||||
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Information about the Cape Toi Surf forecast
The above surf forecast table for Cape Toi provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Cape Toi can be found by selecting the local surf guide option on the grey menu. Our Cape Toi 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 (Cape Toi) 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 Cape Toi 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.
Cape Toi is 15 km (9 miles) from Kushima. If you plan a holiday in Kyu Shu, look for hotels and other accommodation in Kushima. Kushima has rooms for a wide range of budgets as well as car hire and transport links.
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