Surf Forecasts:
Akabane Long Beach surf forecast from 20 Aug 2026:
- Best quality surf: Monday 24 Aug, 6PM (local time) - 10ft (3.0m), 16s period, SSE swell with cross-onshore winds.
- Most powerful swell: Thursday 27 Aug, 12AM (local time) - 18ft (5.5m), 12s period, SSE swell with 8,188 kJ wave energy.
- Next surfable swell (1★+): Friday 21 Aug, 6AM (local time) - 2.5ft (0.8m), 9s period with S swell.
Best Forecast Surf Conditions for Akabane Long Beach this week:
The surf forecast for Akabane Long Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Aug 21) at 6AM. The primary swell is predicted to be 0.8m and 9s period with a secondary swell of 0.4m and 11s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Akabane Long Beach in the next 16 days are 5.5m 12s and forecast to arrive on Thursday (Aug 27) at 12AM. Winds are predicted to be cross-onshore at the time the swell arrives.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Fri 21st Aug) | 2.5ft (0.8m) 9s |
| Best Surf | 6PM (Mon 24th Aug) | 10ft (3.0m) 16s |
| Most Powerful | 12AM (Thu 27th Aug) | 18ft (5.5m) 12s |
Table - best surf conditions forecast for Akabane Long Beach over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s talk about what’s coming at Akabana Long Beach.
We’re looking at a slow start with no real action for the first few days. Thursday the 20th and Friday the 21st are flat and ugly - tiny little waves with poor winds. Saturday the 22nd morning will give you a clean 3ft wave from the SSW, but it’s weak and just average. Sunday the 23rd morning goes glassy with a 2ft SSW swell, but it’s still just a dribble.
Then Monday the 24th of August brings a change. A SSE groundswell rolls in at 5ft with a nice long 16-second period. The combined energy is moderate at 2409. The morning has a light cross-onshore breeze, so the surface isn’t perfect, and the wave call says the tide could be tricky. If you get the tide right, there’ll be some lined-up, rideable waves. Water temp is normal for this time of year at around 80°F.
The real standout is Tuesday the 25th of August morning, but it’s for experienced big-wave surfers only. The swell pumps up to 12ft from the SSE with that same 16-second period. The combined energy is very strong at 6936, and the wind is perfectly glassy. With that period and no wind, the waves will be clean, powerful and big. The forecast notes this swell is probably too big for the break, so unless you know how Akabane handles big water and you’ve got the skills, stay on the sand. The afternoon grows to 13ft but the wind goes cross-onshore.
From Wednesday the 26th onward, it’s a total mess. Heavy rain, strong onshore winds, and huge windswell coming from the east. The combined energy stays high, but with gale-force winds and rough chop, the ocean is blown out. This looks way better for kite surfing than paddle surfing. Even when the wind turns clean again on Friday the 28th, the waves are too messy to be any good.
So to sum it up: your best bets are the early morning of Monday the 24th if you can handle the tide, and Tuesday the 25th morning for the big, glassy, expert-only bombs.
Rusty, out.
Short Range ForecastMostly dry. Warm (max 28°C on Sat afternoon, min 26°C on Thu night). Wind will be generally light. | Days 5-7 Weather SummaryHeavy rain (total 54mm), heaviest during Wed morning. Warm (max 28°C on Sun afternoon, min 23°C on Wed morning). Winds increasing (calm on Mon night, strong winds from the E 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 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 8 | SSW 10 | SSE 14 | SSE 16 | SSE 16 | SSE 16 | SSE 16 | SSE 16 | S 14 | SSE 13 | SSE 12 | SSE 12 |
Wave Graph  | ||||||||||||||||||||
 kJ | 28 | 78 | 99 | 108 | 115 | 108 | 86 | 62 | 57 | 104 | 515 | 1184 | 3609 | 5083 | 6826 | 7660 | 6798 | 6767 | 6450 | 8188 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | cross | cross-on | on | cross-off | cross-on | on | glassy | on | on | cross-on | cross-on | on | glassy | cross-on | on | cross | cross-on | cross-on |
High Tide | 9:32PM1.62m | 2:25PM1.34m | 10:01PM1.53m | 4:16PM1.45m | 11:32PM1.44m | 4:33PM1.54m | 2:00AM1.44m | 4:53PM1.62m | 3:13AM1.52m | 5:14PM1.69m | 4:01AM1.61m | 5:35PM1.74m | ||||||||
Low Tide | 3:28PM1.20m | 5:24AM0.75m | 3:40PM1.34m | 7:05AM0.75m | 8:11PM1.41m | 8:36AM0.66m | 9:47PM1.29m | 9:34AM0.54m | 10:18PM1.16m | 10:15AM0.42m | 10:44PM1.03m | 10:49AM0.32m | 11:10PM0.90m | |||||||
 |  |  | | | | | | | |  | | | | |  | |  | | | |
 | — | — | 5:15 | — | — | 5:16 | — | — | 5:16 | — | — | 5:16 | — | — | 5:18 | — | — | 5:18 | — | — |
 | 6:34 | — | — | 6:32 | — | — | 6:30 | — | — | 6:30 | — | — | 6:29 | — | — | 6:28 | — | — | 6:25 | — |
mm | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | 1 | 21 | 30 | 20 | 52 |
Temp °C | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 27 | 28 | 28 | 27 | 27 | 27 | 26 | 27 | 28 | 28 | 24 | 25 | 26 |
Feels °C | 28 | 30 | 29 | 28 | 30 | 30 | 29 | 30 | 31 | 29 | 30 | 30 | 28 | 29 | 28 | 30 | 30 | 19 | 22 | 23 |
Swell 1 Height (m) Direction Period (s) | ESE 6 | S 9 | S 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 8 | SSW 10 | SSE 14 | SSE 16 | SSE 16 | SSE 16 | SSE 16 | SSE 16 | S 14 | SSE 13 | SSE 12 | SSE 12 |
| kJ | 17 | 78 | 99 | 108 | 115 | 108 | 86 | 62 | 57 | 104 | 515 | 1184 | 3609 | 5083 | 6826 | 7660 | 6798 | 6767 | 6450 | 8188 |
Swell 2 Height (m) Direction Period (s) | SE 10 | SE 6 | SE 11 | SE 11 | SE 11 | ESE 10 | E 10 | E 9 | E 9 | SSE 13 | SSW 9 | SSE 19 | SSW 9 | SSW 11 | ESE 14 | E 14 | E 13 | E 19 | E 18 | E 12 |
| kJ | 28 | 9 | 40 | 40 | 40 | 33 | 50 | 27 | 26 | 99 | 98 | 1144 | 65 | 66 | 70 | 96 | 87 | 7 | 24 | 45 |
Swell 3 Height (m) Direction Period (s) | SSW 8 | SE 11 | SE 6 | ESE 5 | ESE 9 | SE 10 | SE 5 | ESE 11 | SE 10 | ESE 12 | ESE 12 | SSW 10 | ESE 16 | ESE 12 | SSW 10 | SW 12 | SW 10 | — | — | E 16 |
| kJ | 13 | 40 | 8 | 3 | 15 | 16 | 4 | 40 | 27 | 48 | 48 | 81 | 25 | 47 | 40 | 49 | 16 | — | — | 46 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SSW 3 | SW 3 | SSW 3 | SSW 4 | — | SSW 2 | — | — | — | — | — | — | — | E 13 | ESE 12 | SSE 12 |
| kJ | — | — | — | — | 2 | 1 | 1 | 8 | — | 1 | — | — | — | — | — | — | — | 82 | 50 | 7108 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 301 | 92 | 91 | 263 | 91 | 0 | 158 | 91 | 0 | 192 | 91 | 91 | 263 | 96 | 96 | 263 | 159 | 191 | 301 | 337 |
Best forecast wave conditions in Shizuoka | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
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Information about the Akabane Long Beach Surf forecast
The above surf forecast table for Akabane Long Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Akabane Long Beach can be found by selecting the local surf guide option on the grey menu. Our Akabane Long Beach 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 (Akabane Long Beach) 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 Akabane Long Beach 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.
Akabane Long Beach is 10 km (6 miles) from the city of Tahara. If you plan a holiday in Shizuoka, look for hotels and other accommodation in Tahara. Tahara has rooms for a wide range of budgets as well as car hire and transport links.
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