Surf Forecasts:
Tainohama surf forecast from 18 Jul 2026:
- Best quality surf: Friday 24 Jul, 12AM (local time) - 1ft (0.3m), 18s period, SE swell with offshore winds.
- Most powerful swell: Saturday 25 Jul, 3AM (local time) - 1.5ft (0.4m), 16s period, SE swell with 94 kJ wave energy.
- Next surfable swell (1★+): Friday 24 Jul, 12AM (local time) - 1ft (0.3m), 18s 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 Friday (Jul 24) at 12AM. The primary swell is predicted to be 0.3m and 18s period with a secondary swell of 0.3m and 10s. Another secondary swell of 0.2m and 3s is also forecast. 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 0.4m 16s and forecast to arrive on Saturday (Jul 25) 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 3s period and expected on Friday (Jul 24) at 9AM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12AM (Fri 24th Jul) | 1ft (0.3m) 18s |
| Best Surf | 12AM (Fri 24th Jul) | 1ft (0.3m) 18s |
| Most Powerful | 3AM (Sat 25th Jul) | 1.5ft (0.4m) 16s |
Table - best surf conditions forecast for Tainohama over the next 16 days.
The Lowdown
Alright folks, let’s get into it. This forecast is a bit of a slow burner, but there’s a real gem hiding in the second week if you’ve got the patience.
The first week and a half is pretty flat. From now through to the 27th of July, the swell is tiny, mostly around 0.7ft to 2ft, and often blown out by onshore winds. The energy is weak (37 to 231). It’s a real struggle for paddle surfing. The water temp is 82°F, which is about average for this time of year, so at least it’s warm.
Tainohama is a reef break and it’s exposed to the south. The whole period is a write-off for a while. There’s a brief moment on the 24th and 25th of July where the swell is still tiny, 1.0ft to 1ft, but the period jumps to 16-18 seconds, giving a little bit of long-period energy. The wind goes glassy or cross-off, so it’ll be clean. It’s surfable, but only just.
Now, hold onto your boards. The standout is the 29th of July. Wednesday morning is the one to circle. A solid 10ft swell from the SSE, with a very long period of 15 seconds, is pumping in. The energy is massive (3979). The wind is offshore from the NNW, making for clean, well-shaped waves. This is proper groundswell. At 10ft, this is expert territory only. Tainohama is a reef, so that long period should wrap in nicely, but it’s going to be a powerful, heavy wave. The forecast says excellent conditions for experienced surfers – and I’d agree. This is the best on offer by a long shot. The afternoon has a bit more wind, but still cross-off, so it’s still good.
The 30th of July sees the swell dropping to 6ft, but a strong 28 mph NNE wind will make it a battle. The 31st of July is blown out. The 3rd of August sees another pulse of 6ft to 7ft, long-period swell from the ESE, but the wind is onshore from the south, so it’s messy and not worth the trip.
So, to sum it up: the first 10 days are a washout. The 29th of July is the main event. If you’re an expert and can wait, that’s your window.
Rusty.
Short Range ForecastLight rain (total 4mm), mostly falling on Tue afternoon. Warm (max 31°C on Tue afternoon, min 26°C on Sun night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 7mm), mostly falling on Wed afternoon. Warm (max 32°C on Fri morning, min 27°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | |||||||||||||||
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 9 | ESE 10 | SE 9 | ESE 9 | SE 7 | ESE 7 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 10 | ESE 11 | SE 10 | SE 10 | SE 18 | SE 18 | SE 18 | SE 16 | SE 16 | SE 16 | SE 16 |
Wave Graph  | |||||||||||||||||||||
 kJ | 17 | 18 | 20 | 31 | 13 | 9 | 11 | 23 | 22 | 22 | 11 | 11 | 25 | 25 | 50 | 49 | 49 | 42 | 91 | 90 | 86 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | on | cross-on | glassy | glassy | cross-on | glassy | glassy | cross-on | glassy | glassy | cross-on | off | cross-off | glassy | off | cross-off | on | cross |
High Tide | 9:07PM1.78m | 9:08AM1.67m | 9:39PM1.74m | 10:05AM1.55m | 10:15PM1.70m | 11:22AM1.44m | 10:58PM1.65m | 1:13PM1.39m | 11:56PM1.62m | 3:12PM1.46m | 1:11AM1.61m | 4:22PM1.58m | 2:27AM1.65m | ||||||||
Low Tide | 2:42PM0.49m | 3:11AM0.75m | 3:18PM0.67m | 4:00AM0.73m | 3:56PM0.85m | 5:00AM0.72m | 4:43PM1.03m | 6:15AM0.69m | 5:52PM1.19m | 7:39AM0.62m | 7:41PM1.28m | 8:53AM0.50m | 9:16PM1.27m | ||||||||
 | |  | | | | |  |  |  | | | | | | | | | | | | |
 | 5:03 | — | — | 5:03 | — | — | 5:05 | — | — | 5:05 | — | — | 5:05 | — | — | 5:07 | — | — | 5:07 | — | — |
 | — | 7:10 | — | — | 7:10 | — | — | 7:09 | — | — | 7:08 | — | — | 7:08 | — | — | 7:07 | — | — | 7:07 | — |
mm | — | — | — | — | — | — | — | 3 | 1 | 1 | 3 | 1 | 1 | 1 | — | — | — | — | 1 | 6 | 1 |
Temp °C | 30 | 29 | 27 | 30 | 30 | 27 | 30 | 31 | 28 | 31 | 31 | 28 | 31 | 31 | 28 | 32 | 31 | 29 | 30 | 30 | 27 |
Feels °C | 33 | 32 | 32 | 34 | 34 | 32 | 35 | 35 | 33 | 36 | 36 | 33 | 36 | 36 | 33 | 35 | 36 | 34 | 34 | 35 | 32 |
Swell 1 Height (m) Direction Period (s) | ESE 5 | SE 5 | SE 5 | ESE 9 | SE 7 | ESE 7 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 10 | ESE 11 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | SE 11 | SE 11 | SE 10 | SE 10 |
| kJ | 10 | 6 | 6 | 31 | 13 | 9 | 11 | 23 | 22 | 22 | 11 | 11 | 25 | 25 | 16 | 32 | 14 | 41 | 41 | 36 | 49 |
Swell 2 Height (m) Direction Period (s) | ESE 9 | ESE 10 | ESE 9 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 7 | SE 20 | SE 19 | SSW 3 | SE 18 | SE 18 | SE 16 | SE 16 | SE 16 | SE 16 |
| kJ | 17 | 18 | 16 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 5 | 15 | 15 | 1 | 49 | 49 | 42 | 91 | 90 | 86 |
Swell 3 Height (m) Direction Period (s) | SE 8 | SE 8 | SE 9 | ESE 12 | ESE 11 | S 3 | ESE 6 | ESE 6 | SE 6 | SSW 3 | S 7 | SE 11 | S 8 | S 8 | SE 18 | SSW 7 | ESE 12 | SSW 3 | S 8 | S 7 | S 7 |
| kJ | 10 | 9 | 20 | 14 | 12 | 1 | 4 | 4 | 1 | 1 | 1 | 4 | 5 | 5 | 50 | 5 | 13 | 1 | 5 | 4 | 4 |
Wind waves Height (m) Direction Period (s) | — | S 4 | SSW 5 | — | — | SSW 3 | — | — | SW 3 | SW 3 | — | SW 3 | — | — | SW 3 | N 3 | — | — | NW 6 | SW 6 | SSW 3 |
| kJ | — | 1 | 3 | — | — | 2 | — | — | 1 | 3 | — | 2 | — | — | 4 | 1 | — | — | 1 | 1 | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 64 | 51 | 36 | 51 | 51 | 51 | 51 | 349 | 51 | 51 | 374 | 260 | 27 | 349 | 0 | 0 | 0 | 0 | 0 | 21 | 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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