Surf Forecasts:
Cape Toi surf forecast from 5 Aug 2026:
- Best quality surf: Thursday 6 Aug, 9AM (local time) - 21ft (6.5m), 15s period, ESE swell with cross-shore winds.
- Most powerful swell: Thursday 6 Aug, 9PM (local time) - 25ft (7.5m), 15s period, ESE swell with 23,494 kJ wave energy.
- Next surfable swell (1★+): Thursday 6 Aug, 9AM (local time) - 21ft (6.5m), 15s period with ESE swell.
Best Forecast Surf Conditions for Cape Toi this week:
The surf forecast for Cape Toi over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Aug 06) at 9AM. The primary swell is predicted to be 6.5m and 15s period with a secondary swell of 6.0m and 15s. The wind is predicted to be cross-shore as the swell arrives.
The most powerful waves expected at Cape Toi in the next 16 days are 7.5m 15s and forecast to arrive on Thursday (Aug 06) at 9PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 5.0m 13s period and expected on Friday (Aug 07) at 3PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9AM (Thu 6th Aug) | 21ft (6.5m) 15s |
| Best Surf | 9AM (Thu 6th Aug) | 21ft (6.5m) 15s |
| Most Powerful | 9PM (Thu 6th Aug) | 25ft (7.5m) 15s |
Table - best surf conditions forecast for Cape Toi over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s take a look at what’s on the cards for Cape Toi.
To be straight with you, this is a rough run. The main issue is that for the first week, the wind is howling from the east and northeast, and the swell is huge. We’re talking a massive 21ft to 23ft of ESE groundswell rolling in on Thursday the 6th and Friday the 7th, with a period of 15 to 16 seconds. The combined energy is a staggering 34,786 (Thursday morning) – that’s a serious amount of power. But with a near gale cross-shore wind, it’s an absolute washing machine. This is strictly for the experts and even then, it’s more of a survival mission than a fun session. The water temp is a warm 84°, which is about average for this time of year.
The swell starts to drop from Saturday the 8th, but that strong cross-onshore wind just won’t let up, keeping everything blown out and messy right through the middle of the next week. The wave comment is “poor surf conditions” for days on end. We get a brief tease on Wednesday the 12th with a 5ft swell from the ENE, but the wind is still cross-onshore, making it only marginal at best.
The standout, if you can call it that, is looking like Thursday the 20th of August. The wind finally clears and goes cross-shore, and we see a bump in swell to 10ft to 12ft from the east, with a solid 10-second period. The combined energy is 1,970 (Thursday afternoon), which is a moderate, punchy swell. The conditions are still only “marginal” and the wave height is over 8ft, so this is still expert territory. It’s the best of a bad lot, but it’s over two weeks away, so keep your fingers crossed it cleans up. For the rest of the time, she’s a battle.
Rusty.
Short Range ForecastHeavy rain (total 68mm), heaviest during Sat night. Warm (max 29°C on Fri morning, min 27°C on Sat afternoon). Mainly near gales. | Days 4-6 Weather SummaryHeavy rain (total 68mm), heaviest during Sun afternoon. Warm (max 28°C on Sun morning, min 27°C on Sun morning). Winds decreasing (strong winds from the ESE on Sun night, light winds from the ESE by Tue night). | ||||||||||||||||||||
Thursday 6 | Friday 7 | Saturday 8 | Sunday 9 | Monday 10 | Tuesday 11 | Wednesday 12 | |||||||||||||||
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) | ESE 15 | ESE 16 | ESE 14 | ESE 14 | E 10 | E 10 | ESE 9 | ESE 9 | E 9 | E 9 | E 8 | ESE 8 | E 13 | E 12 | E 12 | E 12 | ENE 11 | ENE 11 | ENE 12 | ENE 12 | ENE 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 19193 | 23012 | 21618 | 18846 | 3530 | 3017 | 2143 | 1767 | 1430 | 1106 | 666 | 672 | 760 | 604 | 505 | 404 | 314 | 308 | 505 | 583 | 551 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 11:36AM1.51m | 10:57PM1.72m | 1:33PM1.48m | 00:05AM1.66m | 3:28PM1.58m | 1:39AM1.66m | 4:36PM1.73m | 3:05AM1.74m | 5:23PM1.86m | 4:12AM1.87m | 6:01PM1.96m | 5:07AM1.98m | 6:35PM2.01m | ||||||||
Low Tide | 4:51PM1.06m | 6:18AM0.57m | 6:16PM1.23m | 7:51AM0.49m | 8:23PM1.29m | 9:13AM0.35m | 9:54PM1.22m | 10:17AM0.19m | 10:51PM1.09m | 11:09AM0.07m | 11:35PM0.95m | 11:54AM0.00m | 00:15AM0.81m | ||||||||
 | |  | | | | | | | |  | | | | | |  |  |  |  |  | |
 | 5:33 | — | — | 5:33 | — | — | 5:33 | — | — | 5:35 | — | — | 5:35 | — | — | 5:35 | — | — | 5:37 | — | — |
 | — | 7:07 | — | — | 7:06 | — | — | 7:05 | — | — | 7:04 | — | — | 7:02 | — | — | 7:01 | — | — | 7:00 | — |
mm | 2 | 2 | 9 | 7 | 5 | 13 | 6 | 6 | 18 | 8 | 9 | 15 | 7 | 8 | 17 | 4 | — | — | — | — | 12 |
Temp °C | 28 | 28 | 28 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 28 | 28 | 28 | 29 | 29 | 28 |
Feels °C | 24 | 24 | 24 | 26 | 25 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 27 | 30 | 30 | 31 | 31 | 31 | 32 |
Swell 1 Height (m) Direction Period (s) | ESE 15 | — | — | — | SSE 13 | S 13 | S 12 | S 12 | S 13 | SSW 12 | S 12 | SSW 14 | SSW 14 | S 12 | E 12 | S 11 | S 11 | S 11 | ENE 12 | ENE 12 | ENE 11 |
| kJ | 15593 | — | — | — | 9174 | 6194 | 2947 | 1999 | 1843 | 1670 | 1866 | 2383 | 2433 | 1420 | 505 | 785 | 688 | 514 | 505 | 583 | 551 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | ENE 15 | ENE 15 | ENE 15 | ENE 15 | E 15 | E 13 | E 14 | E 13 | E 12 | SW 13 | E 12 | ENE 11 | ENE 11 | S 10 | S 10 | S 10 |
| kJ | — | — | — | — | — | 21 | 43 | 42 | 42 | 107 | 352 | 604 | 760 | 604 | 394 | 404 | 314 | 308 | 340 | 284 | 190 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | E 16 | SE 15 | SE 15 | SE 15 | SE 14 | SW 14 | SE 14 | WSW 12 | SW 11 | WSW 10 | WSW 10 | WSW 9 | WSW 9 |
| kJ | — | — | — | — | — | — | — | — | 5 | 9 | 9 | 8 | 8 | 598 | 7 | 184 | 126 | 19 | 18 | 8 | 8 |
Wind waves Height (m) Direction Period (s) | ESE 15 | ESE 16 | ESE 14 | ESE 14 | E 10 | E 10 | ESE 9 | ESE 9 | E 9 | E 9 | E 8 | ESE 8 | ESE 7 | E 6 | SSE 11 | E 6 | — | — | — | — | — |
| kJ | 19193 | 23012 | 21618 | 18846 | 3530 | 3017 | 2143 | 1767 | 1430 | 1106 | 666 | 672 | 316 | 176 | 1325 | 31 | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 401 | 835 | 331 | 835 | 835 | 835 | 734 | 826 | 327 | 327 | 268 | 268 | 734 | 338 | 268 | 225 | 225 | 12 | 12 | 12 | 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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