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Surf Forecasts:
Aoshima Harbour surfForecast / Kyu Shu / Japan
16 Day Weather and Surf, issued 8 pm Saturday 30 May 2026 JSTForecast update in hr min s Forecast update imminent
Aoshima Harbour surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Aoshima Harbour sea temperature is
23.9° C
(Which is normal for this time of year)Aoshima Harbour surf forecast from 30 May 2026:
- Best quality surf: Wednesday 3 Jun, 12AM (local time) - 23ft (7.0m), 12s period, SE swell with cross-onshore winds.
- Most powerful swell: Wednesday 3 Jun, 12AM (local time) - 23ft (7.0m), 12s period, SE swell with 15,026 kJ wave energy.
- Next surfable swell (1★+): Sunday 31 May, 12AM (local time) - 2.5ft (0.7m), 9s period with ESE swell.
Best Forecast Surf Conditions for Aoshima Harbour this week:
The surf forecast for Aoshima Harbour over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (May 31) at 12AM. The primary swell is predicted to be 0.7m and 9s period with a secondary swell of 0.4m and 15s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Aoshima Harbour in the next 16 days are 7.0m 12s and forecast to arrive on Wednesday (Jun 03) at 12AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 3s period and expected on Wednesday (Jun 03) at 9AM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12AM (Sun 31st May) | 2.5ft (0.7m) 9s |
| Best Surf | 12AM (Wed 3rd Jun) | 23ft (7.0m) 12s |
| Most Powerful | 12AM (Wed 3rd Jun) | 23ft (7.0m) 12s |
Table - best surf conditions forecast for Aoshima Harbour over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 130mm), heaviest during Tue afternoon. Warm (max 23°C on Sat night, min 19°C on Sun morning). Winds increasing (calm on Sat night, near gales from the ESE by Tue afternoon). | Days 5-7 Weather SummaryHeavy rain (total 168mm), heaviest during Tue night. Warm (max 29°C on Wed afternoon, min 21°C on Thu night). Winds decreasing (severe gales from the E on Tue night, calm by Thu morning). | ||||||||||||||||||||
Sunday 31 | Monday 1 | Tuesday 2 | Wednesday 3 | Thursday 4 | Friday 5 | Sat 6 | |||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
ESE 9 | SSE 12 | SSE 12 | SSE 14 | SSE 13 | SSE 13 | S 14 | S 13 | ESE 8 | SE 12 | ESE 10 | SE 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 10 | S 8 | |
92 | 320 | 436 | 395 | 724 | 811 | 975 | 673 | 1799 | 15026 | 2020 | 899 | 149 | 92 | 68 | 65 | 64 | 63 | 43 | 48 | 46 | |
Wind (km/h) | |||||||||||||||||||||
cross-off | cross | cross | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-off | cross-on | off | glassy | cross-on | off | glassy | cross-on | cross | cross-on | on | |
High Tide | 5:03AM2.00m | 6:46PM1.97m | 5:37AM2.01m | 7:27PM1.96m | 6:13AM2.00m | 8:09PM1.94m | 6:50AM1.96m | 8:52PM1.89m | 7:31AM1.88m | 9:36PM1.84m | 8:18AM1.78m | 10:23PM1.80m | 9:15AM1.67m | ||||||||
Low Tide | 11:31PM0.98m | 11:55AM-0.04m | 00:09AM1.03m | 12:33PM-0.07m | 00:48AM1.07m | 1:11PM-0.05m | 1:27AM1.10m | 1:51PM0.02m | 2:11AM1.13m | 2:33PM0.14m | 3:00AM1.14m | 3:18PM0.28m | 3:59AM1.12m | 4:09PM0.45m | |||||||
 |  |  |  | |  |  |  | | |  |  |  | | | |  | | | |  | |
 | — | 5:09 | — | — | 5:09 | — | — | 5:09 | — | — | 5:09 | — | — | 5:07 | — | — | 5:07 | — | — | 5:07 | — |
 | 7:13 | — | 7:13 | — | — | 7:14 | — | — | 7:14 | — | — | 7:15 | — | — | 7:15 | — | — | 7:15 | — | — | 7:15 |
— | 2 | — | — | — | 9 | 29 | 35 | 55 | 167 | 1 | — | — | — | — | — | — | — | — | — | 1 | |
Temp °C | 23 | 22 | 22 | 21 | 21 | 21 | 22 | 22 | 23 | 25 | 28 | 29 | 24 | 26 | 25 | 24 | 25 | 25 | 23 | 24 | 25 |
25 | 22 | 23 | 22 | 20 | 22 | 23 | 20 | 20 | 23 | 26 | 30 | 26 | 29 | 27 | 27 | 26 | 25 | 24 | 25 | 26 | |
Swell 1 Height (m) Direction Period (s) | ESE 9 | SSE 12 | SSE 12 | SSE 7 | SSE 13 | SSE 13 | S 14 | S 13 | SSE 11 | S 14 | ESE 10 | SE 10 | SSE 9 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 10 | S 8 |
 kJ | 92 | 320 | 436 | 138 | 724 | 811 | 975 | 673 | 460 | 10187 | 2020 | 899 | 137 | 92 | 68 | 65 | 64 | 63 | 43 | 48 | 46 |
Swell 2 Height (m) Direction Period (s) | SE 15 | ESE 11 | E 10 | SSE 14 | ESE 8 | E 10 | E 10 | SE 12 | S 14 | — | SSE 12 | NE 10 | E 10 | SSE 8 | S 8 | S 7 | SSE 7 | SSE 7 | SSE 7 | S 8 | E 9 |
| kJ | 54 | 156 | 108 | 395 | 213 | 73 | 73 | 22 | 394 | — | 1866 | 290 | 149 | 51 | 42 | 28 | 16 | 15 | 15 | 34 | 45 |
Swell 3 Height (m) Direction Period (s) | ENE 4 | — | S 15 | E 7 | E 10 | — | SE 12 | — | — | — | E 10 | E 10 | NNE 8 | NNE 6 | NE 6 | NE 5 | SE 11 | NE 5 | ESE 12 | SE 12 | S 11 |
| kJ | 1 | — | 205 | 89 | 74 | — | 6 | — | — | — | 896 | 339 | 22 | 15 | 2 | 4 | 20 | 1 | 14 | 21 | 10 |
Wind waves Height (m) Direction Period (s) | — | — | ENE 4 | — | — | ESE 7 | SE 7 | ESE 8 | ESE 8 | SE 12 | NW 3 | — | — | — | SSW 3 | — | NE 4 | — | — | — | NE 4 |
| kJ | — | — | 4 | — | — | 149 | 261 | 532 | 1799 | 15026 | 9 | — | — | — | 2 | — | 1 | — | — | — | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 49 | 0 | 3 | 310 | 52 | 49 | 39 | 202 | 202 | 700 | 672 | 496 | 9 | 0 | 0 | 41 | 0 | 0 | 297 | 0 | 0 |
Best forecast wave conditions in Kyu Shu | |||||||||||||||||||||
Best forecast wave conditions in Japan | |||||||||||||||||||||
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FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Aoshima Harbour surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Aoshima Harbour Surf forecast
The above surf forecast table for Aoshima Harbour provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Aoshima Harbour can be found by selecting the local surf guide option on the grey menu. Our Aoshima Harbour 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 Harbour) 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 Harbour 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 Harbour is 15 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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