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Surf Forecasts:
Nichinan surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 2 am Wednesday 10 Dec 2025 JSTForecast update in hr min s Forecast update imminent
Nichinan surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Nichinan sea temperature is
21.8° C
(Which is slightly cooler than normal)How big are the waves at Nichinan today?
The current surf forecast for Nichinan at 8AM is: 0.5m 8s primary swell from a East-southeast direction and 0.1m 6s secondary swell from a Northeast direction (forecast issued at 02:00am December 10). An open ocean swell of 0.5m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Dec) | 1.5ft (0.5m) | 8s |
| Afternoon (10 Dec) | 2ft (0.6m) | 9s |
| Evening (10 Dec) | 2ft (0.6m) | 9s |
Table - waves today at Nichinan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 10 | Thursday 11 | Friday 12 | ||||||||||||||||||||||
| 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 | 6 PM | 9 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 11 | 9 | 10 | 7 | 7 | 7 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 55 | 55 | 55 | 41 | 41 | 59 | 64 | 65 | 72 | 71 | 69 | 83 | 83 | 85 | 85 | 59 | 57 | 87 | 94 | 131 | 606 | 653 | 415 | 331 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | cross- off | cross- off | cross- off | cross | cross- on | glass | glass | glass | glass | glass | cross | cross- off | cross- off | off | off | off | cross- off | cross | cross- off | cross- off | cross | cross- off |
High Tide / height (m) | 10:41AM 1.60 | 9:39PM 1.52 | 11:31AM 1.54 | 10:49PM 1.36 | 12:22PM 1.51 | |||||||||||||||||||
Low Tide / height (m) | 3:44AM 0.16 | 4:15PM 0.98 | 4:35AM 0.35 | 5:27PM 0.94 | 5:29AM 0.54 | 6:50PM 0.86 | ||||||||||||||||||
Wednesday 10 | Thursday 11 | Friday 12 | ||||||||||||||||||||||
| Sunrise | - | - | - | 7:01 | - | - | - | - | - | - | - | 7:01 | - | - | - | - | - | - | - | 7:03 | - | - | - | - |
| Sunset | - | - | - | - | - | 5:10 | - | - | - | - | - | - | - | 5:10 | - | - | - | - | - | - | - | 5:10 | - | - |
 |  | |  | | | | |  | | |  | | | | | | | |  | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 11 | 10 | 10 | 11 | 14 | 15 | 13 | 13 | 13 | 14 | 14 | 16 | 18 | 20 | 17 | 16 | 14 | 13 | 13 | 13 | 12 | 12 | 11 | 10 |
| Feels °C (?) | 8 | 7 | 7 | 8 | 12 | 12 | 11 | 12 | 11 | 12 | 13 | 15 | 15 | 16 | 15 | 14 | 13 | 12 | 11 | 10 | 5 | 5 | 4 | 3 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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