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Surf Forecasts:
Kojima surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 2 pm Wednesday 20 Aug 2025 JST
How big are the waves at Kojima today?
The current surf forecast for Kojima at 7PM is: 0.9m 7s primary swell from a South-southwest direction and 0.3m 9s secondary swell from a East direction (forecast issued at 02:00pm August 20). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | - | - |
| Afternoon (20 Aug) | 2.5ft (0.8m) | 8s |
| Evening (20 Aug) | 3ft (0.9m) | 7s |
Table - waves today at Kojima. (Swell directed towards the surf break)
Wednesday 20 | Thursday 21 | Friday 22 | Saturday 23 | |||||||||||||||||||||
| 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) (?) | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 13 | 10 | 10 | 10 | 10 | 10 | 12 | 10 | 12 | 10 | 9 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
| Energy (?) | 120 | 116 | 118 | 132 | 132 | 150 | 228 | 196 | 95 | 101 | 33 | 38 | 38 | 51 | 42 | 40 | 41 | 21 | 28 | 34 | 33 | 33 | 39 | 40 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross | cross | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 5:12PM 1.84 | 3:43AM 1.85 | 5:44PM 1.94 | 4:39AM 1.97 | 6:12PM 2.01 | 5:26AM 2.08 | ||||||||||||||||||
Low Tide / height (m) | 9:56AM 0.48 | 10:29PM 1.31 | 10:46AM 0.37 | 11:11PM 1.17 | 11:28AM 0.30 | 11:46PM 1.02 | ||||||||||||||||||
Wednesday 20 | Thursday 21 | Friday 22 | Saturday 23 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 5:43 | - | - | - | - | - | - | - | 5:43 | - | - | - | - | - | - | - | 5:43 | - |
| Sunset | - | - | 6:52 | - | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:51 | - | - | - | - | - |
 |  | |  | |  | | |  |  | |  | | | | | | | | |  | | | | |
Rain (mm) | 1 | - | - | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - |
| Temp. °C | 28 | 28 | 28 | 27 | 27 | 27 | 26 | 28 | 29 | 29 | 28 | 26 | 25 | 25 | 25 | 26 | 27 | 30 | 28 | 27 | 26 | 26 | 26 | 28 |
| Feels °C (?) | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 32 | 31 | 30 | 31 | 29 | 28 | 28 | 28 | 28 | 28 | 30 | 29 | 30 | 29 | 29 | 29 | 31 |
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Live Wave Height (m)
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Kyu Shu
Continuing clean conditions at Kojima (calm at Aburatsu 14 km from Kojima). 0.7m 7s swell from the S with a 0.3m 9s swell from the E and a 0.2m 12s groundswell, also from the E. 3 swells combining to make bigger set waves.
1 h 0 min ago
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