Surf Forecasts:
Aoshima surf forecast from 5 Jul 2026:
- Best quality surf: Wednesday 8 Jul, 6AM (local time) - 7.5ft (2.3m), 18s period, SE swell with glassy winds.
- Most powerful swell: Friday 10 Jul, 3PM (local time) - 13ft (4.0m), 18s period, SSE swell with 10,061 kJ wave energy.
- Next surfable swell (1★+): Monday 6 Jul, 3AM (local time) - 0.5ft (0.2m), 19s period with ESE swell.
Best Forecast Surf Conditions for Aoshima this week:
The surf forecast for Aoshima over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Jul 06) at 3AM. The primary swell is predicted to be 0.2m and 19s period with a secondary swell of 0.3m and 9s. Another secondary swell of 0.2m and 10s is also forecast. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Aoshima in the next 16 days are 4.0m 18s and forecast to arrive on Friday (Jul 10) at 3PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 5s period and expected on Monday (Jul 06) at 12PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Mon 6th Jul) | 0.5ft (0.2m) 19s |
| Best Surf | 6AM (Wed 8th Jul) | 7.5ft (2.3m) 18s |
| Most Powerful | 3PM (Fri 10th Jul) | 13ft (4.0m) 18s |
Table - best surf conditions forecast for Aoshima over the next 16 days.
Updates in hr min s Forecast update imminent
Alright, let’s break it down. The first week and a half is slow at Aoshima. Sunday, July 5th kicks off with tiny 1ft to 1ft ESE swell at 9 seconds. The wind is offshore and clean, but there’s just no push. Monday the 6th is similar – small with a little more period, but still weak (energy around 148). Not worth suiting up.
Tuesday the 7th jumps to 4ft, but the wind goes onshore early, making it sloppy. There’s more energy (569), but the quality is poor. Wednesday the 8th gets serious – swell hits 8ft to 10ft from the SE with a 17-18 second period. That’s a deep ocean groundswell, but the wind is cross-onshore. The energy is cranking (4164 to 5774), but it’s choppy and heavy. This is for experts only.
Thursday the 9th holds 10ft swell, but the wind turns strong cross-onshore by afternoon. Energy is over 6000, but the surface is a mess.
Friday July 10th is the big standout. The swell hits 13ft from the SSE with a 17-18 second period – that’s a massive, long-period groundswell. The wind is offshore from the NE, and the energy numbers are huge (8715 to 10110). This is powerful, clean, and lined up perfectly for the reef at Aoshima. It’s going to be world-class for experienced surfers, but way too big for beginners. The water temp is 79°, which is a bit cooler than average for this time of year.
Saturday the 11th backs off to 10ft, but the wind goes cross-onshore again, killing the quality.
Sunday July 12th morning offers a nice change – 6ft swell from the SSE with a 12-second period, and dead glassy wind. The energy is solid (1684), and this would be clean and fun for a wider range of surfers.
Monday the 13th is glassy again with 5ft swell, but the energy is fading. From Tuesday the 14th onward, the swell drops to 3ft or less, and most days are poor with onshore or cross-onshore wind. There’s a small bump on July 20th with 7ft swell, but the wind is strong cross-onshore and it’s just not good.
The clear winner is Friday July 10th – 13ft SSE groundswell with offshore winds. That’s the session to chase. Sunday the 12th morning is a solid backup for cleaner, smaller waves. Everything else is a pass.
Rusty.
Short Range ForecastMostly dry. Warm (max 32°C on Sun afternoon, min 25°C on Sun night). Wind will be generally light. | Days 4-6 Weather SummaryModerate rain (total 10mm), heaviest on Fri night. Warm (max 27°C on Wed morning, min 24°C on Thu night). Wind will be generally light. | ||||||||||||||||||||
Sunday 5 | Monday 6 | Tuesday 7 | Wednesday 8 | Thursday 9 | Friday 10 | Saturday 11 | |||||||||||||||
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) | ESE 9 | ESE 9 | ESE 9 | ESE 18 | ESE 15 | ESE 15 | ESE 14 | ESE 15 | ESE 17 | SE 18 | SE 17 | SE 16 | SE 16 | SE 16 | SSE 17 | SSE 17 | SSE 18 | SSE 17 | SSE 16 | SSE 15 | SSE 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 25 | 15 | 25 | 124 | 84 | 334 | 561 | 975 | 1734 | 4091 | 4432 | 4076 | 4493 | 5002 | 6680 | 8608 | 10061 | 7622 | 4883 | 3469 | 1811 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | off | off | cross-off | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | on | on | on | on | cross-on | cross-on | glassy |
High Tide | 9:08AM1.82m | 10:15PM1.92m | 10:07AM1.70m | 10:54PM1.88m | 11:20AM1.59m | 11:39PM1.85m | 12:56PM1.54m | 00:30AM1.83m | 2:40PM1.58m | 1:28AM1.83m | 4:02PM1.69m | 2:28AM1.86m | 5:00PM1.82m | ||||||||
Low Tide | 3:36PM0.53m | 4:22AM0.91m | 4:19PM0.73m | 5:23AM0.85m | 5:09PM0.93m | 6:32AM0.78m | 6:13PM1.11m | 7:46AM0.66m | 7:34PM1.25m | 8:52AM0.52m | 8:58PM1.31m | 9:48AM0.37m | 10:05PM1.31m | ||||||||
 |  |  | | |  | | | |  | | | | | |  | |  | | | | |
 | 5:13 | — | — | 5:13 | — | — | 5:13 | — | — | 5:13 | — | — | 5:15 | — | — | 5:15 | — | — | 5:16 | — | — |
 | — | 7:22 | — | — | 7:22 | — | — | 7:22 | — | — | 7:22 | — | — | 7:22 | — | — | 7:22 | — | — | 7:22 | — |
mm | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | 2 | 1 | 6 | 3 | — | — |
Temp °C | 31 | 32 | 27 | 29 | 31 | 26 | 27 | 27 | 26 | 27 | 27 | 26 | 26 | 26 | 25 | 25 | 25 | 26 | 27 | 27 | 26 |
Feels °C | 31 | 32 | 30 | 31 | 32 | 29 | 31 | 31 | 30 | 30 | 30 | 29 | 27 | 26 | 27 | 28 | 28 | 30 | 31 | 30 | 31 |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 9 | ESE 18 | ESE 15 | ESE 15 | ESE 14 | ESE 15 | ESE 17 | SE 18 | SE 17 | SE 16 | SE 16 | SE 16 | SSE 17 | SSE 17 | SSE 18 | SSE 17 | SSE 16 | SSE 15 | SSE 13 |
| kJ | 25 | 15 | 25 | 124 | 84 | 334 | 561 | 975 | 1734 | 4091 | 4432 | 4076 | 4493 | 5002 | 6680 | 8608 | 10061 | 7622 | 4883 | 3469 | 1811 |
Swell 2 Height (m) Direction Period (s) | E 12 | E 11 | S 7 | ESE 8 | SSW 5 | S 5 | ENE 7 | S 6 | SE 22 | E 9 | SSE 20 | E 8 | E 8 | S 20 | E 8 | — | — | — | — | E 10 | E 10 |
| kJ | 11 | 10 | 1 | 14 | 8 | 4 | 5 | 3 | 558 | 73 | 1256 | 61 | 84 | 1172 | 88 | — | — | — | — | 48 | 48 |
Swell 3 Height (m) Direction Period (s) | S 7 | S 7 | E 20 | ESE 10 | ESE 9 | ENE 8 | S 6 | ENE 8 | — | — | E 8 | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | 1 | 8 | 10 | 28 | 6 | 3 | 12 | — | — | 86 | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSW 5 | SSW 4 | SSW 4 | SSW 5 | — | — | — | — | — | — | — | E 8 | — | E 9 | E 8 | ENE 8 | ENE 8 | E 8 | — | — | — |
| kJ | 7 | 11 | 6 | 13 | — | — | — | — | — | — | — | 109 | — | 148 | 140 | 107 | 49 | 30 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 38 | 64 | 297 | 0 | 0 | 0 | 23 | 50 | 20 | 50 | 50 | 50 | 75 | 359 | 202 | 48 | 48 | 50 | 50 | 202 | 0 |
Best forecast wave conditions in Kyu Shu | |||||||||||||||||||||
Best forecast wave conditions in Japan | |||||||||||||||||||||
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Information about the Aoshima Surf forecast
The above surf forecast table for Aoshima provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Aoshima can be found by selecting the local surf guide option on the grey menu. Our Aoshima 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 (Aoshima) 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 Aoshima 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.
Aoshima is 14 km (9 miles) from Miyazaki-shi. If you plan a holiday in Kyu Shu, look for hotels and other accommodation in Miyazaki-shi. Miyazaki-shi has rooms for a wide range of budgets as well as car hire and transport links.
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