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Aoshima Harbour surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 8 pm Wednesday 21 Jan 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
20.2° 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 2AM is: 0.8m 10s primary swell from a East-southeast direction and 0.5m 6s secondary swell from a Northeast direction (forecast issued at 08:00pm January 21). An open ocean swell of 0.3m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Jan) | 2.5ft (0.7m) | 10s |
| Afternoon (22 Jan) | 2ft (0.6m) | 10s |
| Evening (22 Jan) | 1.5ft (0.5m) | 10s |
Table - waves today at Aoshima Harbour. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wed 21 | Thursday 22 | Friday 23 | Saturday 24 | |||||||||||||||||||||
| 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 | 12 PM | 3 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |   |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 127 | 114 | 111 | 111 | 86 | 86 | 75 | 75 | 54 | 55 | 57 | 63 | 64 | 63 | 60 | 59 | 34 | 33 | 39 | 33 | 19 | 19 | 19 | 18 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- off | cross- off | off | off | off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 7:42PM 1.83 | 8:45AM 1.83 | 8:25PM 1.75 | 9:15AM 1.79 | 9:12PM 1.63 | 9:46AM 1.74 | ||||||||||||||||||
Low Tide / height (m) | 2:14AM 0.05 | 2:37PM 0.59 | 2:48AM 0.22 | 3:18PM 0.54 | 3:23AM 0.41 | |||||||||||||||||||
Wed 21 | Thursday 22 | Friday 23 | Saturday 24 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 7:11 | - | - | - | - | - | - | - | 7:11 | - | - | - | - | - | - | - | 7:11 | - | - |
| Sunset | - | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:38 | - | - | - | - | - | - | - | 5:39 |
 |  | | | |  | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 6 | 4 | 2 | 1 | 1 | 1 | 5 | 7 | 5 | 3 | 2 | 2 | 2 | 3 | 8 | 10 | 8 | 6 | 5 | 6 | 7 | 8 | 10 | 10 |
| Feels °C (?) | -3 | -2 | -3 | -4 | -4 | -5 | -1 | 2 | -2 | -3 | -5 | -4 | -3 | -2 | 4 | 4 | 2 | 2 | 1 | 2 | 2 | 2 | 3 | 1 |
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