Surf Forecasts:
Tainohama surf forecast from 27 Aug 2026:
- Best quality surf: Friday 28 Aug, 9AM (local time) - 3ft (0.9m), 8s period, SSW swell with glassy winds.
- Most powerful swell: Thursday 3 Sep, 12AM (local time) - 13ft (4.0m), 12s period, S swell with 4,054 kJ wave energy.
- Next surfable swell (1★+): Friday 28 Aug, 9AM (local time) - 3ft (0.9m), 8s period with SSW swell.
Best Forecast Surf Conditions for Tainohama this week:
The surf forecast for Tainohama over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Aug 28) at 9AM. The primary swell is predicted to be 0.9m and 8s period with a secondary swell of 0.8m and 8s. Another secondary swell of 0.3m and 10s is also forecast. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Tainohama in the next 16 days are 4.0m 12s and forecast to arrive on Thursday (Sep 03) at 12AM. Winds are predicted to be onshore at the time the swell arrives.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9AM (Fri 28th Aug) | 3ft (0.9m) 8s |
| Best Surf | 9AM (Fri 28th Aug) | 3ft (0.9m) 8s |
| Most Powerful | 12AM (Thu 3rd Sep) | 13ft (4.0m) 12s |
Table - best surf conditions forecast for Tainohama over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s talk about what’s on the menu for Tainohama.
Right now, there’s a bit of a tease in the air. The best window is well over a week away. For the next week and a half, the winds are just going to mess with things, mostly onshore or cross-onshore, making most of the sessions pretty average. There’s a lot of wind and messy conditions in the mix, especially from the start of September right through to the 9th. That stretch from the 1st to the 9th is pretty much a write-off with strong winds and rain squalls, so don't bother checking the cams.
The one true standout is the morning of Thursday, 10th September. That’s when a clean, gentle offshore wind from the north is forecast, which is going to make Tainohama look proper. We’re looking at a solid 7ft swell from the southeast with a 10-second period, packing moderate to strong wave energy (716). This is the session to circle on the calendar. It’s an advanced reef break, so it’s not for everyone, but for those with the skill, the combination of that wind and that groundswell will be top tier. Glassy conditions will make the take-offs smooth and the faces excellent. The water temp is sitting about average for the time of year, so a 3/2 wetsuit will do fine. Crowds can show up sometimes here, so keep that in mind if you’re planning a solo session.
Friday morning the 11th also looks promising with glassy winds from the east and a 7ft southeast swell (619 energy). That’s another good shout, though the winds might shift onshore by afternoon.
For the earlier part of the forecast, on Friday morning, 28th August, there’s a rare clean window with glassy conditions and a 3ft southwest swell (201 energy). It’s small, but for a quick, clean session it could be worthwhile. Unfortunately, the wind comes up in the afternoon and the conditions get poor again.
Everything else from the 29th of August through to the 9th of September is either blown out, choppy, or just not worth paddling for. The swell is often there, even big at times, but with those onshore and cross-onshore winds, you’re looking at messy, lumpy surf. Not a good look for a reef break like this.
Rusty out.
Short Range ForecastLight rain (total 4mm), mostly falling on Fri afternoon. Warm (max 31°C on Sat morning, min 26°C on Fri night). Wind will be generally light. | Days 5-7 Weather SummaryHeavy rain (total 82mm), heaviest during Tue morning. Warm (max 29°C on Mon morning, min 25°C on Sun night). Winds increasing (calm on Sun night, fresh winds from the SSE by Tue afternoon). | ||||||||||||||||||
Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | ||||||||||||||
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) | S 9 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 7 | S 7 | S 7 | S 7 | S 11 | S 10 | S 9 | SSE 10 | SSE 10 | SSE 9 | SSE 10 | SSE 10 | SSE 10 | S 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 235 | 85 | 85 | 73 | 110 | 97 | 53 | 39 | 52 | 64 | 194 | 246 | 523 | 567 | 904 | 885 | 1140 | 1406 | 4054 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | glassy | on | cross | cross-on | cross-on | cross | on | cross-on | cross-on | on | on | on | on | on | on | on | on | on |
High Tide | 5:46AM2.00m | 6:31PM1.94m | 6:23AM2.03m | 6:55PM1.95m | 7:00AM2.02m | 7:18PM1.94m | 7:38AM1.95m | 7:42PM1.92m | 8:17AM1.84m | 8:07PM1.88m | 9:01AM1.70m | 8:33PM1.82m | |||||||
Low Tide | 11:52PM0.74m | 12:12PM0.30m | 00:23AM0.62m | 12:43PM0.37m | 00:54AM0.53m | 1:12PM0.47m | 1:26AM0.48m | 1:41PM0.60m | 2:00AM0.46m | 2:09PM0.76m | 2:38AM0.48m | 2:37PM0.93m | |||||||
 |  | |  |  | | | |  | | | |  | | | |  | |  | |
 | — | 5:31 | — | — | 5:31 | — | — | 5:33 | — | — | 5:33 | — | — | 5:33 | — | — | 5:35 | — | — |
 | 6:35 | — | 6:32 | — | — | 6:31 | — | — | 6:30 | — | — | 6:29 | — | — | 6:28 | — | — | 6:27 | — |
mm | — | 1 | 3 | — | — | — | — | — | — | — | — | — | 17 | 15 | 13 | 23 | 7 | 7 | 21 |
Temp °C | 27 | 29 | 29 | 27 | 31 | 30 | 27 | 30 | 29 | 26 | 29 | 29 | 27 | 27 | 28 | 27 | 28 | 27 | 27 |
Feels °C | 30 | 34 | 34 | 31 | 34 | 32 | 32 | 33 | 31 | 29 | 32 | 32 | 31 | 28 | 29 | 28 | 29 | 27 | 27 |
Swell 1 Height (m) Direction Period (s) | SW 9 | SSE 8 | SSE 8 | SSE 7 | S 7 | ESE 9 | S 7 | S 7 | SE 10 | S 7 | S 10 | S 9 | SSE 10 | SSE 10 | SSE 9 | SSE 10 | ESE 11 | E 10 | S 12 |
| kJ | 38 | 78 | 62 | 31 | 54 | 17 | 53 | 39 | 36 | 39 | 194 | 246 | 523 | 567 | 724 | 885 | 38 | 33 | 3501 |
Swell 2 Height (m) Direction Period (s) | SSW 8 | SE 10 | SSE 10 | SSE 9 | SE 9 | SSE 9 | SE 11 | SE 10 | SW 10 | S 11 | SE 10 | SE 10 | ESE 14 | ESE 13 | ESE 12 | ESE 11 | — | SE 11 | E 11 |
| kJ | 22 | 15 | 10 | 9 | 13 | 8 | 19 | 27 | 4 | 64 | 35 | 35 | 18 | 33 | 49 | 42 | — | 5 | 20 |
Swell 3 Height (m) Direction Period (s) | E 11 | ESE 11 | E 11 | ESE 8 | E 10 | SE 13 | ESE 9 | ESE 10 | E 10 | SE 10 | E 6 | E 14 | E 13 | — | — | — | — | — | — |
| kJ | 9 | 23 | 9 | 7 | 7 | 7 | 8 | 9 | 2 | 38 | 1 | 16 | 32 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 9 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 7 | WSW 3 | — | S 7 | SW 3 | — | — | — | — | SSE 9 | — | SSE 10 | SSE 10 | S 12 |
| kJ | 235 | 85 | 85 | 73 | 110 | 97 | 5 | — | 52 | 2 | — | — | — | — | 904 | — | 1140 | 1406 | 4054 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 3 | 0 | 2 | 2 | 2 | 51 | 3 | 2 | 32 | 3 | 64 | 3 | 348 | 454 | 454 | 348 | 348 | 413 | 349 |
Best forecast wave conditions in Shikoku | |||||||||||||||||||
Best forecast wave conditions in Japan | |||||||||||||||||||
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Information about the Tainohama Surf forecast
The above surf forecast table for Tainohama provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Tainohama can be found by selecting the local surf guide option on the grey menu. Our Tainohama 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 (Tainohama) 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 Tainohama 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.
Tainohama is 21 km (13 miles) from Anan. If you plan a holiday in Shikoku, look for hotels and other accommodation in Anan. Anan has rooms for a wide range of budgets as well as car hire and transport links.
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