Tainohama Surf Break

Lat Long: 33.74° N 134.57° E

Tainohama Surf Forecast and Surf Report

Issued: 2 am 02 Sep 2026 (local time)

Forecast update in  hr  min

Today's Tainohama sea temperature is
29.1°C
1.6° 

Tainohama surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Tainohama surf forecast from 1 Sep 2026:

  • Best quality surf: Tuesday 8 Sep, 3AM (local time) - 13ft (4.0m), 11s period, SE swell with offshore winds.
  • Most powerful swell: Tuesday 8 Sep, 9AM (local time) - 15ft (4.5m), 11s period, ESE swell with 5,183 kJ wave energy.
  • Next surfable swell (1★+): Thursday 3 Sep, 6AM (local time) - 3.5ft (1.1m), 8s period with SSE 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 Thursday (Sep 03) at 6AM. The primary swell is predicted to be 1.1m and 8s period with a secondary swell of 0.4m and 10s. Another secondary swell of 0.5m and 4s 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 4.5m 11s and forecast to arrive on Tuesday (Sep 08) at 9AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 5s period and expected on Tuesday (Sep 08) at 12PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Thu 3rd Sep)3.5ft (1.1m) 8s
Best Surf 3AM (Tue 8th Sep)13ft (4.0m) 11s
Most Powerful 9AM (Tue 8th Sep)15ft (4.5m) 11s

Table - best surf conditions forecast for Tainohama over the next 16 days.


The Lowdown

Alright, Rusty here, let’s have a look at what’s cooking at Tainohama.

We’ve got a bit of a slow start, but don’t write the week off just yet. The first couple of days are pretty ordinary with messy conditions and only small swell, so you’re not missing much if you stay on the beach Wednesday and Thursday morning. Things start to clean up from Thursday afternoon onwards with a little bump in size and that offshore wind finally showing up.

Friday morning sees the swell push up to about 5 ft out of the S, with a clean cross-off breeze—definitely the best session of the first few days. The combined energy is moderate (480), and the waves should have some push to them. It’s a reef setup so it’s an advanced wave, but if you know the place, Friday morning is your pick early on. That afternoon holds similar size and an even better energy reading (558), so a solid afternoon session is on the cards too.

Saturday stays in the same range, with chest-high sets around 6 ft from the ESE. The period drops a little to 7 seconds, so it’s a bit weaker and more jumbled, but the glassy spell Saturday afternoon is a treat if you can get out.

Now, Sunday the 6th is a standout. Swell jumps to 12 ft from the ESE, with a moderate period of 9 seconds and very strong energy (1779). That’s a serious step up—experts only, and even then, this reef is gonna be heaving. The wind is cross-off in the morning and clean, so it’s proper. But by afternoon that wind picks up to 16 mph, still cross-off but onshore wind will make it a battle. The morning window is the one.

Monday the 7th stays big, 10 ft in the morning, still offshore, but the heavy rain and 16 mph winds make it a grumpy session. Still, if you’re keen on a challenge, that morning is manageable for advanced crew. The afternoon drops to 8 ft, but wind bumps up to 19 mph—more of a battle than a cruise.

Tuesday the 8th is a monster. 15 ft from the ESE at 11 seconds, and the energy reading is massive (9655). Offshore winds at 22 mph, so it’s blowing hard but clean. This is for experts only, no question. If you’re not on it, don’t even paddle out. The morning window is the highlight of the whole forecast, but it’s raw, powerful, and intimidating. The afternoon drops to 12 ft but stays just as gnarly.

Wednesday the 9th still has solid 7 ft swell from the SE with clean offshore winds, so if the big Tuesday is too much, Wednesday morning is a more manageable option with still good energy (960). The period is a solid 10 seconds, so the waves have shape and power.

Then we hit a flat spell. From Thursday the 10th through Monday the 14th, it’s pretty much all cross-on wind and poor conditions. Swell drops under 5 ft, energy fades, and the wind is messy. Not worth paddling out unless you’re desperate for a splash. That’s a solid four-day gap of nothing.

But hold on—Tuesday the 15th. This is the other standout. Swell is back to 13 ft from the ESE, and the period jumps to 15 seconds—that’s proper groundswell. The energy is enormous (6311). Glassy conditions in the morning, clean, and the reef will be handling that long-period energy beautifully. This is a very long period groundswell, and it will wrap around and unload on the reef with serious power. Again, experts only. That afternoon holds similar size and period, with a cross-off breeze and even higher energy (7193). If you’re an experienced charger, this is your day.

Wednesday the 16th and Thursday the 17th both offer 7 ft from the ESE with 12-second periods and glassy conditions. Great for experienced surfers, much less intimidating than the 13 ft days, and with calm winds in the mornings. Thursday afternoon stays glassy with the same size and energy (2209)—a beautiful way to wrap up the outlook.

Water temp is 84°, about a touch warmer than normal for this time of year, so you’ll be in boardies or a shorty no worries.

So to sum it up: the real standouts are Tuesday the 8th morning for the raw, massive groundswell, and Tuesday the 15th for the long-period groundswell with glassy conditions. Both are for experts only. For the rest of us, Friday the 4th morning and Wednesday the 9th morning are your best bets for clean, manageable waves.

Rusty.

Short Range Forecast

Heavy rain (total 185mm), heaviest during Thu night. Warm (max 29°C on Wed morning, min 22°C on Thu afternoon). Wind will be generally light.

Days 4-6 Weather Summary

Heavy rain (total 336mm), heaviest during Mon morning. Warm (max 25°C on Mon night, min 22°C on Sun morning). Winds increasing (calm on Sat afternoon, fresh winds from the N by Sun night).

Wednesday
2
Thursday
3
Friday
4
Saturday
5
Sunday
6
Monday
7
Tuesday
8
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
0
1
2
2
2
2
3
0
2
2
2
4
3
2
3
1
4
8
3
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.1
SSE
9
1.1
SSE
9
1.1
SSE
8
1
SSE
8
1.2
SSE
10
1.5
S
10
1.6
S
9
1.6
SSE
9
2.1
SE
8
1.7
ESE
7
1.3
ESE
7
1.7
ESE
8
3.5
ESE
9
3.5
ESE
9
3
ESE
9
3
ESE
8
2.5
ESE
8
3.5
SE
10
4.5
SE
11
3.5
SE
11
3
SE
11
Wave Graph
Metric surfscale
Energy kJ
189
206
164
147
300
459
440
432
543
297
193
372
1739
2073
1175
1268
887
2821
5183
2738
1882
Wind (km/h)
5
SE
15
SSE
10
S
5
N
10
NNW
10
NNE
15
NNE
10
NNE
20
SE
10
NNE
5
ENE
5
NE
10
NNE
25
N
30
N
25
N
30
N
25
NNW
35
N
35
N
30
NNW
Wind State
cross-on
on
on
glassy
off
cross-off
cross-off
cross-off
cross-on
cross-off
glassy
cross-off
cross-off
cross-off
cross-off
off
cross-off
off
off
off
off
High Tide
9:01AM1.70m
8:33PM1.82m
9:56AM1.55m
9:03PM1.74m
11:25AM1.42m
9:41PM1.64m
2:23PM1.42m
10:58PM1.53m
3:47PM1.54m
1:25AM1.51m
4:20PM1.66m
2:58AM1.62m
4:46PM1.75m
Low Tide
2:37PM0.93m
3:22AM0.54m
3:06PM1.09m
4:19AM0.62m
3:42PM1.25m
5:46AM0.69m
5:33PM1.39m
7:38AM0.67m
8:48PM1.34m
9:00AM0.57m
9:47PM1.19m
9:54AM0.47m
10:24PM1.02m
thunderstorm
part cloud
mod rain
mod rain
heavy rain
heavy rain
heavy rain
heavy rain
rain showers
rain showers
light rain
light rain
heavy rain
heavy rain
heavy rain
heavy rain
rain showers
clear
clear
part cloud
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:35
5:35
5:35
5:37
5:37
5:37
5:39
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:27
6:25
6:23
6:22
6:21
6:20
6:19
 mm
1
7
7
37
74
43
13
3
1
3
3
20
65
99
119
26
19
Temp °C
29
29
27
25
23
24
23
23
23
24
23
24
23
22
23
23
24
25
28
27
25
Feels °C
32
31
31
29
26
27
25
26
26
26
26
26
26
22
21
23
23
24
26
25
23
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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