Surf Forecasts:
Takegashima surf forecast from 17 Aug 2026:
- Best quality surf: Thursday 20 Aug, 6PM (local time) - 3.5ft (1.0m), 10s period, S swell with cross-offshore winds.
- Most powerful swell: Friday 21 Aug, 6AM (local time) - 4.5ft (1.3m), 11s period, S swell with 418 kJ wave energy.
- Next surfable swell (1★+): Tuesday 18 Aug, 12AM (local time) - 1.5ft (0.4m), 11s period with SE 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 Tuesday (Aug 18) at 12AM. The primary swell is predicted to be 0.4m and 11s period with a secondary swell of 0.7m and 5s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Takegashima in the next 16 days are 1.3m 11s and forecast to arrive on Friday (Aug 21) at 6AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 7s period and expected on Monday (Aug 24) at 6AM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12AM (Tue 18th Aug) | 1.5ft (0.4m) 11s |
| Best Surf | 6PM (Thu 20th Aug) | 3.5ft (1.0m) 10s |
| Most Powerful | 6AM (Fri 21st Aug) | 4.5ft (1.3m) 11s |
Table - best surf conditions forecast for Takegashima over the next 16 days.
The Lowdown
G’day, Rusty here. Let’s look at what’s brewing for Takegashima.
The first few days are a bit of a write-off. From August 17th through the 20th, we’ve got tiny, weak swells mostly under 3ft, wind from the SSE or SE making it choppy, and short periods. Water temp is about 83°F – average for this time of year – but the combined energy is low (60–194). Not worth suiting up.
Friday August 21st morning is the first bright spot: glassy, 4ft S swell with an 11-second period (472 energy). Clean and rideable. The afternoon stays cross-off but still decent.
The weekend goes small again – 1–2ft at best – then Monday and Tuesday (August 25–26) build back up. Tuesday August 26th is a real highlight: glassy conditions, 8ft SE swell with a long 17-second period, and 3112 energy. That’s proper groundswell, perfect for the reef, but it’s only for experienced surfers at that size.
From August 27th it steps up massively. Thursday morning hits 10ft with onshore wind – messy. Friday August 28th is 11–13ft SE swell, cross-on, energy up to 8617. The peak is Saturday August 29th: 16ft SE swell at 16 seconds, 11713–12378 energy. Light cross-on breeze. That’s huge, expert-only territory. Sunday August 30th still has 15ft with glassy morning conditions.
After that, Monday September 1st drops to 8ft glassy swell, and Tuesday September 2nd morning is 7ft but with a short period.
Best bets: Wednesday afternoon August 26th – glassy, 8ft SE at 17 seconds – clean and punchy. For the big-wave crew, Saturday August 29th morning at 16ft glassy is the real standout, but you’d better know what you’re doing.
Rusty.
Short Range ForecastModerate rain (total 12mm), heaviest on Tue morning. Warm (max 29°C on Mon afternoon, min 25°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryHeavy rain (total 123mm), heaviest during Sat night. Warm (max 29°C on Fri afternoon, min 24°C on Sat afternoon). Wind will be generally light. | |||||||||||||||||||
Mon 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | ||||||||||||||
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 11 | SE 11 | ESE 5 | SE 5 | SE 10 | ESE 8 | ESE 8 | SE 10 | S 10 | S 10 | S 9 | S 11 | S 10 | S 10 | ESE 10 | SE 10 | SE 10 | ESE 11 | ESE 11 | ESE 11 |
Wave Graph  | ||||||||||||||||||||
 kJ | 30 | 30 | 42 | 38 | 27 | 56 | 51 | 25 | 45 | 153 | 170 | 403 | 367 | 240 | 42 | 15 | 28 | 24 | 37 | 46 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | glassy | cross | cross | glassy | cross | cross-off | glassy | cross | cross-off | glassy | glassy | cross-off | glassy | glassy | cross-off | cross-off | off | off | off |
High Tide | 8:30PM1.90m | 8:59AM1.82m | 8:58PM1.86m | 9:48AM1.68m | 9:27PM1.81m | 10:51AM1.55m | 10:01PM1.74m | 12:28PM1.45m | 10:49PM1.66m | 2:49PM1.47m | 00:11AM1.59m | 4:10PM1.59m | 2:01AM1.59m | |||||||
Low Tide | 2:46AM0.55m | 2:54PM0.76m | 3:27AM0.55m | 3:26PM0.93m | 4:16AM0.59m | 4:02PM1.10m | 5:20AM0.63m | 4:54PM1.26m | 6:46AM0.65m | 6:52PM1.37m | 8:20AM0.60m | 9:07PM1.34m | ||||||||
 |  |  | |  | |  |  | | | | | |  |  |  | |  | | | |
 | — | — | 5:26 | — | — | 5:26 | — | — | 5:26 | — | — | 5:28 | — | — | 5:28 | — | — | 5:28 | — | — |
 | 6:46 | — | — | 6:45 | — | — | 6:45 | — | — | 6:44 | — | — | 6:43 | — | — | 6:42 | — | — | 6:39 | — |
mm | 1 | 3 | 3 | 1 | 1 | 2 | — | — | 1 | 5 | — | 1 | 1 | — | 2 | 16 | 91 | 7 | 4 | 6 |
Temp °C | 29 | 26 | 27 | 28 | 26 | 28 | 28 | 26 | 28 | 27 | 26 | 28 | 29 | 26 | 27 | 24 | 26 | 27 | 27 | 26 |
Feels °C | 32 | 31 | 31 | 32 | 31 | 32 | 32 | 32 | 32 | 31 | 31 | 32 | 32 | 31 | 32 | 27 | 28 | 31 | 31 | 29 |
Swell 1 Height (m) Direction Period (s) | SE 5 | SSW 8 | SE 11 | SE 5 | SE 10 | SE 10 | SE 10 | ESE 5 | S 10 | S 10 | S 9 | S 11 | S 10 | S 10 | S 10 | SSW 9 | SSW 9 | ESE 11 | ESE 11 | ESE 11 |
| kJ | 30 | 20 | 29 | 38 | 27 | 26 | 26 | 19 | 45 | 153 | 170 | 403 | 367 | 240 | 188 | 153 | 146 | 24 | 37 | 46 |
Swell 2 Height (m) Direction Period (s) | SSW 8 | SE 11 | SSW 8 | SE 10 | ESE 8 | SSW 8 | SSW 8 | SE 10 | ESE 7 | SE 10 | S 12 | ESE 11 | ESE 11 | SE 11 | ESE 10 | SE 10 | SE 10 | SSE 10 | SSE 10 | SSW 8 |
| kJ | 21 | 30 | 11 | 28 | 22 | 11 | 11 | 25 | 17 | 25 | 76 | 44 | 44 | 29 | 42 | 15 | 28 | 9 | 10 | 24 |
Swell 3 Height (m) Direction Period (s) | SE 11 | E 9 | E 8 | SSW 8 | SSW 8 | S 9 | SW 9 | SSW 7 | SE 10 | ESE 6 | ESE 11 | E 9 | — | E 7 | E 7 | ESE 7 | ESE 6 | E 9 | E 13 | SW 9 |
| kJ | 30 | 14 | 12 | 11 | 12 | 1 | 3 | 5 | 25 | 16 | 44 | 25 | — | 4 | 4 | 5 | 4 | 7 | 14 | 13 |
Wind waves Height (m) Direction Period (s) | — | SE 5 | ESE 5 | — | SE 5 | ESE 8 | ESE 8 | SE 4 | — | — | — | — | — | — | — | SSW 3 | SW 3 | SSW 9 | SSW 9 | SSW 7 |
| kJ | — | 22 | 42 | — | 23 | 56 | 51 | 12 | — | — | — | — | — | — | — | 5 | 2 | 184 | 227 | 99 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 482 | 0 | 29 | 375 | 0 | 29 | 0 | 4 | 58 | 0 | 0 | 0 | 0 | 0 | 4 | 29 | 326 | 29 | 0 | 4 |
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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