Surf Forecasts:
Takegashima surf forecast from 20 Aug 2026:
- Best quality surf: Wednesday 26 Aug, 12AM (local time) - 21ft (6.5m), 14s period, SE swell with cross-onshore winds.
- Most powerful swell: Wednesday 26 Aug, 6PM (local time) - 30ft (9.0m), 13s period, SSE swell with 25,781 kJ wave energy.
- Next surfable swell (1★+): Thursday 20 Aug, 6PM (local time) - 2.5ft (0.7m), 9s period with S swell.
Best Forecast Surf Conditions for Takegashima this week:
The surf forecast for Takegashima over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Aug 20) at 6PM. The primary swell is predicted to be 0.7m and 9s period with a secondary swell of 0.4m and 10s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Takegashima in the next 16 days are 9.0m 13s and forecast to arrive on Wednesday (Aug 26) at 6PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 8s period and expected on Thursday (Aug 27) at 12AM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6PM (Thu 20th Aug) | 2.5ft (0.7m) 9s |
| Best Surf | 12AM (Wed 26th Aug) | 21ft (6.5m) 14s |
| Most Powerful | 6PM (Wed 26th Aug) | 30ft (9.0m) 13s |
Table - best surf conditions forecast for Takegashima over the next 16 days.
The Lowdown
Alright, let’s see what we’ve got for Takegashima over the next couple of weeks. I’m not gonna sugarcoat it – the first week is pretty bleak for us. We’re looking at a real slow start with tiny, weak swell. The water temp is sitting at 83°, which is about average for this time of year, so at least you won’t need a thick suit.
Thursday the 20th and Friday the 21st are a write-off. The swell is ankle to knee-high at best, with combined energy barely breaking 50 (46) and then a bit of a pulse to 180, but it’s still tiny. The wind is glassy in the mornings which is nice to look at, but there’s just nothing to ride.
Saturday the 22nd and Sunday the 23rd are more of the same. Waist-high at best on Sunday afternoon, with a period stretching to 13 seconds, but the energy is still weak (66). It’s clean, but you’d be fighting for a dribble.
Monday the 24th things start to get interesting, but not in a good way for most of us. The swell jumps to 7ft from the SE with a long 17-second period. That’s serious groundswell energy (2704). The problem is the wind is cross-on, making it a bit of a mess. This kind of long-period SE swell can work well at a reef setup like Takegashima, but the wind is going to put a chop on it.
Tuesday the 25th is the big standout in the whole forecast. We’re talking a solid 15ft SE groundswell with a 16-second period. The combined energy is massive (11389). And here’s the kicker – the wind is blowing offshore from the NE. For Takegashima, that’s the magic direction. This is going to be huge, powerful, and clean. This is the session to aim for, but be warned, 15ft is for experts only. The wave quality will be there, but it’s not a spot for beginners.
Wednesday the 26th is a write-off. The swell is still massive at 15ft to 23ft, but a howling 22 mph cross-on wind from the E turns the lineup into a washing machine (energy 23393). This is more of a kitesurfing setup than a paddle session.
Thursday the 27th sees the swell drop back to 7-8ft, but the wind is a strong cross-off from the S, making it clean but windy. The energy is still moderate (1065). It’s a far cry from Tuesday.
Friday the 28th brings a bit of relief. Swell drops to 4-5ft from the SE with a shorter 8-9 second period. The wind is offshore from the SSW. It’s clean, but the waves will be smaller and a bit weaker (energy 236-330). A decent option for someone who missed the big Tuesday.
From Saturday the 29th onwards, we’re back to small, inconsistent surf. The first week of September looks flat and crook, with low energy and onshore winds. The magic window is definitely Tuesday the 25th. That’s your big wave day if you’ve got the nerve.
Rusty
Short Range ForecastLight rain (total 3mm), mostly falling on Fri afternoon. Warm (max 30°C on Sat morning, min 25°C on Thu night). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 54mm), heaviest during Tue night. Warm (max 30°C on Sun morning, min 24°C on Tue night). Winds increasing (calm on Mon night, fresh winds from the ENE by Tue night). | ||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | |||||||||||||||
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) | SE 10 | SE 10 | S 9 | S 9 | S 10 | SE 11 | ESE 10 | SE 10 | ESE 13 | ESE 11 | SE 13 | SE 15 | SE 17 | SE 16 | SE 16 | SE 16 | SE 16 | SE 14 | SE 11 | SE 13 | SE 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 25 | 25 | 99 | 127 | 145 | 29 | 43 | 17 | 16 | 39 | 44 | 595 | 2630 | 3818 | 5401 | 11320 | 10875 | 16732 | 4850 | 16458 | 1605 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-off | cross-off | glassy | cross-off | cross-off | glassy | cross-off | glassy | cross-off | cross-off | cross-off | cross-on | cross | glassy | on | on | cross-on | cross-on | cross-on | cross |
High Tide | 10:51AM1.55m | 10:01PM1.74m | 12:28PM1.45m | 10:49PM1.66m | 2:49PM1.47m | 00:11AM1.59m | 4:10PM1.59m | 2:01AM1.59m | 4:51PM1.70m | 3:24AM1.68m | 5:22PM1.79m | 4:22AM1.80m | 5:50PM1.85m | ||||||||
Low Tide | 4:02PM1.10m | 5:20AM0.63m | 4:54PM1.26m | 6:46AM0.65m | 6:52PM1.37m | 8:20AM0.60m | 9:07PM1.34m | 9:32AM0.51m | 10:12PM1.22m | 10:25AM0.41m | 10:53PM1.08m | 11:08AM0.34m | 11:28PM0.93m | ||||||||
 |  |  | |  | | | |  | | | | | | | |  | | | | | |
 | 5:26 | — | — | 5:28 | — | — | 5:28 | — | — | 5:28 | — | — | 5:30 | — | — | 5:31 | — | — | 5:31 | — | — |
 | — | 6:44 | — | — | 6:43 | — | — | 6:42 | — | — | 6:39 | — | — | 6:38 | — | — | 6:37 | — | — | 6:37 | — |
mm | — | — | — | — | 2 | — | — | — | 1 | — | — | — | — | — | — | — | — | 54 | 29 | 66 | 155 |
Temp °C | 29 | 29 | 26 | 29 | 29 | 26 | 30 | 29 | 26 | 30 | 29 | 26 | 29 | 29 | 26 | 29 | 28 | 25 | 25 | 27 | 27 |
Feels °C | 32 | 33 | 30 | 33 | 33 | 30 | 33 | 32 | 30 | 34 | 32 | 30 | 33 | 32 | 31 | 31 | 32 | 26 | 24 | 27 | 26 |
Swell 1 Height (m) Direction Period (s) | SE 10 | S 8 | S 9 | S 9 | S 10 | SSW 9 | SSW 9 | SSW 9 | SSW 8 | SSW 8 | SSW 9 | SE 15 | SE 17 | SE 16 | SE 16 | SE 16 | SE 16 | SE 14 | S 12 | S 13 | SE 11 |
| kJ | 25 | 21 | 99 | 127 | 145 | 108 | 108 | 80 | 54 | 57 | 73 | 595 | 2630 | 3818 | 5401 | 11320 | 10875 | 13396 | 1897 | 6935 | 1605 |
Swell 2 Height (m) Direction Period (s) | ESE 7 | SE 10 | SE 10 | ESE 11 | ESE 11 | SE 11 | ESE 10 | SE 10 | ESE 10 | ESE 11 | SE 13 | SSW 10 | SSW 9 | S 11 | SE 6 | SSW 10 | SW 10 | — | SW 11 | — | N 7 |
| kJ | 9 | 25 | 28 | 44 | 44 | 29 | 43 | 17 | 10 | 39 | 44 | 71 | 68 | 83 | 66 | 42 | 25 | — | 5 | — | 8 |
Swell 3 Height (m) Direction Period (s) | S 8 | SE 7 | ESE 7 | ESE 7 | ESE 6 | ESE 6 | ESE 7 | E 10 | ESE 13 | SSE 10 | ESE 11 | E 9 | E 12 | E 12 | SSW 10 | E 15 | E 14 | — | E 19 | — | — |
| kJ | 12 | 11 | 9 | 9 | 4 | 3 | 4 | 8 | 16 | 9 | 22 | 28 | 74 | 12 | 40 | 69 | 16 | — | 7 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | E 9 | — | — | — | SE 14 | SE 11 | SE 13 | SW 8 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 25 | — | — | — | 16732 | 4850 | 16458 | 803 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 4 | 20 | 0 | 0 | 0 | 4 | 4 | 20 | 4 | 4 | 0 | 0 | 50 | 29 | 0 | 11 | 29 | 442 | 482 | 592 | 294 |
Best forecast wave conditions in Shikoku | |||||||||||||||||||||
Best forecast wave conditions in Japan | |||||||||||||||||||||
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Information about the Takegashima Surf forecast
The above surf forecast table for Takegashima provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Takegashima can be found by selecting the local surf guide option on the grey menu. Our Takegashima 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 (Takegashima) 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 Takegashima 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.
Takegashima is 33 km (20 miles) from Muroto. If you plan a holiday in Shikoku, look for hotels and other accommodation in Muroto. Muroto has rooms for a wide range of budgets as well as car hire and transport links.
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