Surf Forecasts:
Tainohama surf forecast from 28 Jul 2026:
- Best quality surf: Wednesday 5 Aug, 12AM (local time) - 11ft (3.5m), 18s period, ESE swell with cross-offshore winds.
- Most powerful swell: Wednesday 5 Aug, 3AM (local time) - 13ft (4.0m), 18s period, ESE swell with 9,098 kJ wave energy.
- Next surfable swell (1★+): Wednesday 29 Jul, 12AM (local time) - 1.5ft (0.5m), 10s 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 Wednesday (Jul 29) at 12AM. The primary swell is predicted to be 0.5m and 10s period with a secondary swell of 0.7m and 6s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Tainohama in the next 16 days are 4.0m 18s and forecast to arrive on Wednesday (Aug 05) at 3AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 2s period and expected on Friday (Jul 31) at 6AM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12AM (Wed 29th Jul) | 1.5ft (0.5m) 10s |
| Best Surf | 12AM (Wed 5th Aug) | 11ft (3.5m) 18s |
| Most Powerful | 3AM (Wed 5th Aug) | 13ft (4.0m) 18s |
Table - best surf conditions forecast for Tainohama over the next 16 days.
The Lowdown
G’day, Rusty here. Let’s break down what’s on offer for the next couple weeks. It’s a slow start, then a massive pulse that’s too big for paddling, and finally some clean, fun waves to finish.
The only spot in the game is Tainohama – a reef break for advanced surfers only. Water temp is about average for this time of year, nothing unusual.
Right now, Wednesday the 29th, we’ve got tiny 2ft swell from the SE with a 10-second period. Combined energy is weak (84), but with glassy conditions from a light WSW breeze, it’s surfable – just very ordinary. Thursday the 30th drops to 1ft with poor surf, and Friday the 31st stays small and meh. Saturday the 1st of August and Sunday the 2nd of August don’t offer much either, though Sunday morning sees a bit more energy (173) with a 16-second period from the ESE producing 2ft waves and glassy conditions – still tiny though.
Monday the 3rd of August brings rising swell at 5ft to 6ft from the SE (16–17 seconds), but onshore wind and moderate energy (1235 to 1845) make it marginal.
Here’s the standout – Tuesday the 4th of August. The morning is the best of the whole forecast. Swell hits 8ft from the ESE with a very long 18-second period. Combined energy is strong (4480). The wind is glassy from the SSE, so it’s clean. Excellent surf for experienced surfers. That long period will make the reef line up nicely, but it’s not for beginners. Crowds are possible here sometimes, so get in early.
From Wednesday the 5th through Friday the 7th, the swell blows up – 15ft, 18ft, 26ft, 30ft, and even 38ft on Friday. Combined energy is massive (12,544 to 54,726). The wind is offshore or cross-off for a couple days early, which would be perfect, but the size is just too big for paddle surfing. This is kite-surf territory, plain and simple. By Friday the 7th, the wind turns cross-on and it’s all blown out.
Saturday the 8th and Sunday the 9th drop back fast but stay messy with strong onshore winds. Not worth it.
Then we get a late reward. Monday the 10th of August afternoon has 3ft from the east with a 13-second period and glassy conditions – expect good, clean waves. Tuesday the 11th stays clean with 4ft and light offshore or calm winds. Wednesday the 12th of August morning is the second real highlight: 5ft from the ESE (8 seconds) with a gentle offshore breeze from the north. Combined energy is moderate (520) and it’s clean. That’s a fun, rideable size for a bunch of skill levels. That clean run continues into Thursday the 13th with 6ft and light offshore winds – a solid finish.
So, bottom line: Tuesday the 4th is the big, clean groundswell standout, and Wednesday the 12th is the second-best for a more comfortable session. The middle stretch is mostly a wipeout for paddlers – that’s kite season.
Rusty.
Short Range ForecastLight rain (total 3mm), mostly falling on Wed morning. Warm (max 33°C on Fri morning, min 27°C on Tue night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 3mm), mostly falling on Sun afternoon. Warm (max 33°C on Sat morning, min 27°C on Fri night). Wind will be generally light. | ||||||||||||||||||
Wednesday 29 | Thursday 30 | Friday 31 | Saturday 1 | Sunday 2 | Monday 3 | ||||||||||||||
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 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | SE 9 | SE 11 | SE 10 | SE 11 | ESE 15 | ESE 16 | ESE 16 | ESE 15 | ESE 16 | ESE 17 | ESE 18 |
Wave Graph  | |||||||||||||||||||
 kJ | 48 | 48 | 48 | 47 | 23 | 23 | 23 | 24 | 23 | 20 | 28 | 29 | 42 | 147 | 382 | 619 | 1194 | 1792 | 2888 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | glassy | glassy | glassy | glassy | on | glassy | cross-off | cross-off | cross-off | cross-off | cross | glassy | glassy | on | on | on | on | cross-on |
High Tide | 5:09AM1.88m | 6:41PM1.88m | 5:51AM1.94m | 7:09PM1.90m | 6:31AM1.96m | 7:35PM1.90m | 7:11AM1.94m | 8:02PM1.88m | 7:52AM1.88m | 8:29PM1.85m | 8:35AM1.79m | 8:56PM1.82m | |||||||
Low Tide | 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 | 2:11PM0.47m | 2:32AM0.66m | 2:42PM0.63m | |||||||
 |  | | |  |  |  | | | | | | | | |  | | | | |
 | — | 5:09 | — | — | 5:11 | — | — | 5:11 | — | — | 5:11 | — | — | 5:13 | — | — | 5:13 | — | — |
 | 7:05 | — | 7:05 | — | — | 7:04 | — | — | 7:02 | — | — | 7:01 | — | — | 7:01 | — | — | 7:00 | — |
mm | — | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | — | — |
Temp °C | 29 | 31 | 30 | 28 | 32 | 32 | 29 | 33 | 33 | 29 | 33 | 33 | 29 | 30 | 30 | 27 | 29 | 28 | 27 |
Feels °C | 34 | 35 | 34 | 32 | 35 | 36 | 33 | 35 | 35 | 32 | 35 | 36 | 33 | 35 | 33 | 32 | 33 | 31 | 30 |
Swell 1 Height (m) Direction Period (s) | SSW 6 | S 6 | SSW 8 | SSW 8 | SE 10 | SE 10 | SE 10 | SE 9 | SE 9 | SE 10 | SE 10 | SE 11 | SE 11 | ESE 16 | ESE 16 | ESE 15 | ESE 16 | ESE 17 | ESE 18 |
| kJ | 35 | 15 | 35 | 22 | 23 | 23 | 23 | 23 | 23 | 14 | 28 | 29 | 41 | 147 | 382 | 619 | 1194 | 1792 | 2888 |
Swell 2 Height (m) Direction Period (s) | SE 10 | SE 10 | SE 10 | SE 10 | SSW 5 | SSW 8 | SSW 7 | SSW 5 | SE 13 | SE 11 | SSW 4 | ESE 15 | ESE 15 | SE 9 | SE 9 | SE 10 | SSE 10 | S 8 | ESE 6 |
| kJ | 48 | 48 | 48 | 47 | 5 | 11 | 5 | 5 | 6 | 20 | 2 | 23 | 42 | 21 | 14 | 17 | 9 | 5 | 59 |
Swell 3 Height (m) Direction Period (s) | SSW 8 | SSW 8 | SE 13 | SE 12 | SSW 8 | SSW 4 | SSW 4 | SE 12 | SSW 4 | S 7 | S 7 | — | ESE 18 | SE 11 | S 8 | S 8 | S 8 | SSW 8 | — |
| kJ | 14 | 21 | 26 | 25 | 11 | 2 | 2 | 24 | 2 | 4 | 1 | — | 31 | 5 | 1 | 5 | 5 | 6 | — |
Wind waves Height (m) Direction Period (s) | — | — | SW 6 | — | — | — | — | — | NE 3 | — | — | — | — | — | SE 7 | ESE 4 | ESE 5 | ESE 5 | — |
| kJ | — | — | 24 | — | — | — | — | — | 2 | — | — | — | — | — | 14 | 10 | 27 | 42 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 51 | 51 | 64 | 0 | 554 | 610 | 538 | 18 | 0 | 0 | 3 | 3 | 3 | 3 | 3 |
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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