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Surf Forecasts:
Aoshima Harbour surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 2 pm Tuesday 21 Apr 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
21.1° C
(Which is normal for this time of year)How big are the waves at Aoshima Harbour today?
The current surf forecast for Aoshima Harbour at 9PM is: 1.1m 11s primary swell from a East direction and 0.3m 15s secondary swell from a Southeast direction, 0.8m 6s secondary swell from a Northeast direction (forecast issued at 02:00pm April 21). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Apr) | - | - |
| Afternoon (21 Apr) | 3.5ft (1.1m) | 12s |
| Evening (21 Apr) | 3.5ft (1.1m) | 11s |
Table - waves today at Aoshima Harbour. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | |||||||||||||||||||||
| 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 10 | 10 | 7 | 7 | 7 | 8 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 425 | 349 | 313 | 297 | 291 | 332 | 326 | 313 | 254 | 260 | 265 | 294 | 269 | 181 | 143 | 135 | 250 | 89 | 138 | 352 | 413 | 579 | 555 | 250 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | on | on | on | cross- on | cross- on | cross- on | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 9:26PM 1.65 | 8:03AM 1.74 | 10:30PM 1.54 | 8:43AM 1.61 | 11:57PM 1.49 | |||||||||||||||||||
Low Tide / height (m) | 2:30PM 0.06 | 2:34AM 1.05 | 3:16PM 0.19 | 3:24AM 1.16 | 4:15PM 0.33 | 4:54AM 1.23 | ||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:35 | - |
| Sunset | - | - | 6:45 | - | - | - | - | - | - | - | 6:46 | - | - | - | - | - | - | - | 6:47 | - | - | - | - | - |
 |  | |  |  | | | | | | |  | |  |  |  |  | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | 1 | 2 | 7 | 13 | 6 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 |
| Temp. °C | 19 | 19 | 19 | 18 | 18 | 17 | 16 | 17 | 18 | 19 | 19 | 16 | 15 | 14 | 15 | 15 | 15 | 16 | 15 | 14 | 14 | 14 | 14 | 15 |
| Feels °C (?) | 11 | 11 | 14 | 14 | 15 | 15 | 14 | 15 | 16 | 18 | 17 | 12 | 11 | 10 | 10 | 9 | 11 | 14 | 13 | 12 | 11 | 11 | 11 | 11 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
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