Surf Forecasts:
Tainohama surf forecast from 26 Jul 2026:
- Best quality surf: Monday 27 Jul, 12AM (local time) - 1.5ft (0.4m), 14s period, SE swell with offshore winds.
- Most powerful swell: Sunday 2 Aug, 9PM (local time) - 2.5ft (0.8m), 14s period, ESE swell with 236 kJ wave energy.
- Next surfable swell (1★+): Monday 27 Jul, 12AM (local time) - 1.5ft (0.4m), 14s period with SE 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 Monday (Jul 27) at 12AM. The primary swell is predicted to be 0.4m and 14s period with a secondary swell of 0.6m and 8s. Another secondary swell of 0.4m and 3s is also forecast. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Tainohama in the next 16 days are 0.8m 14s and forecast to arrive on Sunday (Aug 02) at 9PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Thursday (Jul 30) at 12AM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12AM (Mon 27th Jul) | 1.5ft (0.4m) 14s |
| Best Surf | 12AM (Mon 27th Jul) | 1.5ft (0.4m) 14s |
| Most Powerful | 9PM (Sun 2nd Aug) | 2.5ft (0.8m) 14s |
Table - best surf conditions forecast for Tainohama over the next 16 days.
The Lowdown
Alright, grab your board and listen up, it’s Rusty here.
Right now, it’s looking pretty flat and uninspiring at Tainohama. We’ve got a solid stretch of nothing much happening for the first week or so. From Sunday the 26th right through to Sunday the 2nd of August, it’s all tiny, weak swell – we’re talking ankle to knee high at best, with a weak wave energy reading mostly under 200 (170 to just 40). Even when the wind goes glassy on Monday afternoon or Tuesday morning, the swell’s just not there to do anything with. The water temp is sitting at 84°, which is a touch warmer than normal for this time of year, so at least it’s comfortable to sit out there waiting for something that never shows.
Now, the real standout – and I mean the only time you should get excited – is that big pulse kicking off around Monday the 3rd of August. It starts to build through the day, but the magic window is Tuesday the 4th and Wednesday the 5th. By Tuesday morning we’ve got a solid 6 ft groundswell out of the ESE with a long 16-second period, and the energy jumps right up (1613). The wind goes glassy, so it’ll be clean, but at 6 ft this is getting solid – better for experienced surfers. Then Wednesday absolutely fires: 7 ft to 8 ft from the same ESE direction, with a 17-second period, cross-off winds from the N and NE, and the combined energy hits 2301 to 2939. That’s proper, powerful surf. The swell direction matches the optimum for this reef break, so Tainohama will be handling it well. Expect clean, lined-up sets. It’s going to be big and it will be for experts only. Crowds are likely here.
After that peak, it drops off fast. By Sunday the 9th of August, we’re back to tiny, weak swell and onshore winds. That Wednesday and Thursday window is the one, no question.
Rusty.
Short Range ForecastLight rain (total 9mm), mostly falling on Mon afternoon. Warm (max 32°C on Sun afternoon, min 27°C on Sun night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 2mm), mostly falling on Thu afternoon. Warm (max 33°C on Sat morning, min 26°C on Wed night). Wind will be generally light. | |||||||||||||||||||
Sun 26 | Monday 27 | Tuesday 28 | Wednesday 29 | Thursday 30 | Friday 31 | Saturday 1 | ||||||||||||||
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) | SE 15 | SE 14 | SE 14 | SE 14 | SE 14 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | ESE 10 | SE 10 | SE 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 10 | SE 11 | SE 11 |
Wave Graph  | ||||||||||||||||||||
 kJ | 76 | 74 | 72 | 70 | 65 | 49 | 49 | 48 | 48 | 48 | 38 | 23 | 23 | 23 | 23 | 23 | 23 | 27 | 29 | 29 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | off | cross-off | glassy | off | glassy | on | off | glassy | on | off | cross-off | glassy | cross | cross | on | glassy | cross-off | cross | off |
High Tide | 5:07PM1.69m | 3:30AM1.72m | 5:42PM1.78m | 4:23AM1.81m | 6:12PM1.84m | 5:09AM1.88m | 6:41PM1.88m | 5:51AM1.94m | 7:09PM1.90m | 6:31AM1.96m | 7:35PM1.90m | 7:11AM1.94m | 8:02PM1.88m | |||||||
Low Tide | 10:17PM1.21m | 10:39AM0.27m | 11:02PM1.12m | 11:20AM0.20m | 11:39PM1.03m | 11:58AM0.16m | 00:13AM0.93m | 12:33PM0.18m | 00:47AM0.84m | 1:06PM0.23m | 1:20AM0.76m | 1:39PM0.33m | 1:55AM0.70m | |||||||
 |  |  | | |  | |  | | | | | | | | | | | | | |
 | — | — | 5:09 | — | — | 5:09 | — | — | 5:09 | — | — | 5:11 | — | — | 5:11 | — | — | 5:11 | — | — |
 | 7:07 | — | — | 7:06 | — | — | 7:05 | — | — | 7:05 | — | — | 7:04 | — | — | 7:02 | — | — | 7:01 | — |
mm | 1 | — | — | 4 | — | — | 1 | 1 | 2 | — | — | — | 2 | — | — | — | — | — | — | — |
Temp °C | 32 | 29 | 32 | 31 | 28 | 31 | 31 | 28 | 32 | 32 | 28 | 31 | 30 | 28 | 32 | 32 | 29 | 33 | 33 | 29 |
Feels °C | 36 | 33 | 35 | 35 | 33 | 35 | 35 | 33 | 35 | 36 | 32 | 35 | 35 | 33 | 36 | 36 | 34 | 35 | 35 | 32 |
Swell 1 Height (m) Direction Period (s) | SE 11 | S 8 | S 8 | S 9 | S 8 | SE 10 | SE 10 | SSW 6 | SSW 6 | SSW 8 | SSW 6 | SSW 8 | SE 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 10 | SE 11 | SE 11 |
| kJ | 55 | 50 | 50 | 55 | 51 | 49 | 49 | 34 | 19 | 35 | 18 | 19 | 23 | 23 | 23 | 23 | 23 | 27 | 29 | 29 |
Swell 2 Height (m) Direction Period (s) | S 9 | SE 14 | SE 10 | SE 10 | SE 10 | S 8 | S 8 | SE 10 | SE 10 | SE 10 | ESE 10 | SE 10 | SSW 7 | S 7 | SSW 4 | SE 13 | SE 11 | SW 4 | NE 3 | ESE 9 |
| kJ | 39 | 74 | 51 | 50 | 50 | 36 | 35 | 48 | 48 | 48 | 38 | 23 | 11 | 4 | 2 | 7 | 20 | 1 | 2 | 7 |
Swell 3 Height (m) Direction Period (s) | SE 15 | SE 11 | SE 14 | SE 14 | SE 14 | SE 14 | SE 13 | SSW 8 | SSW 8 | SE 13 | SE 12 | NE 4 | SSW 6 | SE 12 | ESE 12 | S 4 | S 7 | S 7 | SW 4 | ESE 12 |
| kJ | 76 | 40 | 72 | 70 | 65 | 29 | 28 | 13 | 12 | 26 | 25 | 2 | 4 | 6 | 15 | 1 | 4 | 1 | 1 | 15 |
Wind waves Height (m) Direction Period (s) | NNE 3 | SW 3 | NNE 3 | — | — | SSW 4 | SSW 4 | — | — | SW 5 | N 3 | N 4 | — | SW 5 | — | — | — | NNE 3 | NNE 3 | — |
| kJ | 1 | 2 | 1 | — | — | 6 | 7 | — | — | 35 | 5 | 7 | — | 6 | — | — | — | 1 | 4 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 18 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 3 | 0 | 3 | 51 | 64 | 51 | 495 | 27 | 439 | 560 | 0 |
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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