Surf Forecasts:
Takegashima surf forecast from 20 Aug 2026:
- Best quality surf: Wednesday 26 Aug, 6AM (local time) - 18ft (5.5m), 13s period, SE swell with onshore winds.
- Most powerful swell: Tuesday 25 Aug, 9PM (local time) - 16ft (5.0m), 16s period, SSE swell with 12,846 kJ wave energy.
- Next surfable swell (1★+): Friday 21 Aug, 12AM (local time) - 2.5ft (0.8m), 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 Friday (Aug 21) at 12AM. The primary swell is predicted to be 0.8m 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 5.0m 16s and forecast to arrive on Tuesday (Aug 25) at 9PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 9s period and expected on Friday (Aug 21) at 9PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12AM (Fri 21st Aug) | 2.5ft (0.8m) 9s |
| Best Surf | 6AM (Wed 26th Aug) | 18ft (5.5m) 13s |
| Most Powerful | 9PM (Tue 25th Aug) | 16ft (5.0m) 16s |
Table - best surf conditions forecast for Takegashima over the next 16 days.
The Lowdown
Howdy, Rusty here. Let’s talk surf.
The outlook starts quiet. From Thursday 20th August through Sunday 23rd August, the swell is barely a ripple—0.4m stuff, weak energy (57 to 66). Water temp is 83°, about 0.7° above normal for this time of year, so nice and warm but no waves worth paddling for.
Monday 24th August is the first proper dawn patrol. Morning brings a clean, glassy 1.8m SE groundswell with a 16-second period. Energy is strong at 2304. That long period will make the reef at Takegashima line up nicely. It’s a square 1.8m with no wind—perfect for experienced surfers. Afternoon hits 2.5m SE at 17 seconds (3826 energy) and stays clean, but that’s pushing into big-wave territory for most.
Tuesday 25th August is the main event: 4.5m at 16 seconds (9934 energy) early, with a light NE onshore wind. Over 2.5m, so experts only. By afternoon it’s 5.0m (11720 energy) with cross-on wind and light chop. This is heavy.
Wednesday 26th August is too big—5.5m SE with 30 mph onshore winds, heavy rain, and energy at 20294. Not a paddle session. Thursday 27th August drops to 4.0m but with 35 mph NW wind and lumpy sea—poor.
Friday 28th August morning is another gem: 2.3m S swell at 10 seconds, glassy calm (3098 energy). Clean and solid for advanced surfers. The afternoon goes onshore and messy.
From Saturday 29th August through to the end of the 16-day window (4th September), it’s poor: 1.1m to 1.8m, mostly onshore winds, choppy, with storms and rain. No standouts in that second week.
Best bets: Monday 24th August morning for the glassy 1.8m groundswell, and the absolute standout is Tuesday 25th August morning for the massive 4.5m—but that’s for the experienced only. Crowds are possible at Takegashima on those good days.
Rusty out.
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 5-7 Weather SummaryHeavy rain (total 50mm), heaviest during Tue night. Warm (max 30°C on Tue morning, min 24°C on Tue night). Winds increasing (calm on Mon night, fresh winds from the NNE by Wed morning). | |||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | ||||||||||||||
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 | S 9 | S 9 | S 10 | SE 11 | ESE 10 | SE 10 | ESE 13 | ESE 11 | SE 13 | SE 15 | SE 16 | SE 17 | SE 16 | SSE 16 | SSE 16 | SSE 15 | SE 13 | SE 12 | SE 12 |
Wave Graph  | ||||||||||||||||||||
 kJ | 25 | 99 | 127 | 145 | 29 | 43 | 26 | 16 | 38 | 44 | 535 | 1718 | 3813 | 6625 | 9892 | 11654 | 10871 | 10620 | 8541 | 3464 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | glassy | cross-off | glassy | glassy | cross-off | cross-off | glassy | cross-off | cross-off | glassy | cross-off | glassy | on | cross-on | cross | on | on | cross-on |
High Tide | 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 | |||||||
 |  |  |  | | | |  | | | | | | | |  | |  | |  | |
 | — | — | 5:28 | — | — | 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 | — | — | — | — | — | — | — | 2 | 27 | 21 | 29 | 31 |
Temp °C | 29 | 26 | 29 | 28 | 26 | 30 | 29 | 26 | 30 | 29 | 26 | 29 | 29 | 26 | 30 | 30 | 27 | 24 | 25 | 26 |
Feels °C | 32 | 30 | 32 | 31 | 30 | 34 | 32 | 30 | 33 | 32 | 30 | 33 | 32 | 32 | 32 | 33 | 30 | 23 | 26 | 25 |
Swell 1 Height (m) Direction Period (s) | S 8 | S 9 | S 9 | S 10 | SSW 9 | SSW 9 | SSW 9 | SSW 8 | SSW 9 | SSW 9 | SE 15 | SE 16 | SE 17 | SE 16 | SSE 16 | SSE 16 | SSE 15 | SE 13 | SE 12 | SE 12 |
| kJ | 21 | 99 | 127 | 145 | 108 | 108 | 80 | 57 | 92 | 98 | 535 | 1718 | 3813 | 6625 | 9892 | 11654 | 10871 | 9667 | 6479 | 3464 |
Swell 2 Height (m) Direction Period (s) | SE 10 | SE 10 | ESE 11 | ESE 11 | SE 11 | ESE 10 | SE 10 | ESE 10 | ESE 11 | SE 13 | SSW 9 | SE 20 | SSW 10 | S 10 | SSW 11 | SW 10 | E 13 | E 19 | S 13 | S 12 |
| kJ | 25 | 28 | 44 | 44 | 29 | 43 | 26 | 10 | 38 | 44 | 76 | 586 | 85 | 98 | 48 | 26 | 32 | 7 | 2817 | 1952 |
Swell 3 Height (m) Direction Period (s) | SE 7 | ESE 7 | ESE 7 | ESE 6 | ESE 6 | SE 9 | ESE 13 | ESE 13 | ESE 6 | ESE 11 | SE 5 | SSW 9 | E 13 | E 12 | E 12 | E 14 | — | — | SW 10 | — |
| kJ | 11 | 9 | 4 | 4 | 3 | 3 | 17 | 16 | 3 | 22 | 4 | 46 | 13 | 44 | 42 | 66 | — | — | 4 | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SE 13 | SE 12 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 10620 | 8541 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 20 | 0 | 0 | 0 | 4 | 4 | 20 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 32 | 29 | 442 | 481 | 50 | 50 |
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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