Surf Forecasts:
How big are the waves at Nichinan today (21 Aug):
- Evening surf: Evening surf (21 Aug, local time) - 3.5ft (1.0m), 9s period with S swell.
The current surf forecast for Nichinan at 11PM is: 1.0m 9s primary swell from a South direction and 0.4m 7s secondary swell from a East direction (forecast issued at 08:00pm August 21). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | - | - |
| Afternoon (21 Aug) | - | - |
| Evening (21 Aug) | 3.5ft (1.0m) | 9s |
Table - waves today at Nichinan. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Fri night. Warm (max 29°C on Sat morning, min 26°C on Fri night). Wind will be generally light. | ||||||||||||||||||
Fri 21 | Saturday 22 | Sunday 23 | ||||||||||||||||
6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||
Wave Height (m) Direction Period (s) | S 9 | S 9 | S 9 | S 9 | S 8 | SSE 8 | S 8 | S 8 | S 8 | S 8 | S 8 | E 10 | E 10 | E 10 | E 13 | E 11 | E 11 | E 11 |
Wave Graph  | ||||||||||||||||||
 kJ | 155 | 155 | 126 | 123 | 115 | 118 | 111 | 86 | 86 | 68 | 68 | 68 | 71 | 98 | 157 | 119 | 114 | 110 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-off | cross | cross-on | cross-on | cross-on | cross-on |
High Tide | 11:25PM1.69m | 4:05PM1.59m | 1:09AM1.65m | 4:44PM1.70m | ||||||||||||||
Low Tide | 5:30PM1.44m | 7:47AM0.86m | 8:18PM1.48m | 9:11AM0.77m | ||||||||||||||
 |  | |  |  | | | | | | | | | | | | | | |
 | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — |
 | 6:52 | — | — | — | — | — | — | — | 6:51 | — | — | — | — | — | — | — | 6:50 | — |
mm | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — |
Temp °C | 28 | 27 | 27 | 26 | 27 | 28 | 29 | 29 | 28 | 27 | 26 | 26 | 26 | 27 | 28 | 29 | 28 | 27 |
Feels °C | 33 | 32 | 32 | 30 | 31 | 32 | 32 | 33 | 32 | 32 | 30 | 30 | 30 | 30 | 31 | 32 | 31 | 31 |
Swell 1 Height (m) Direction Period (s) | S 9 | S 9 | S 9 | S 9 | S 8 | SSE 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | E 10 | E 13 | E 11 | E 11 | E 11 |
| kJ | 155 | 155 | 126 | 123 | 115 | 118 | 111 | 86 | 86 | 68 | 68 | 68 | 69 | 98 | 157 | 119 | 114 | 110 |
Swell 2 Height (m) Direction Period (s) | E 7 | E 7 | E 7 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 10 | E 10 | S 8 | S 8 | S 8 | S 8 | SE 13 |
| kJ | 14 | 14 | 14 | 37 | 25 | 25 | 38 | 39 | 40 | 56 | 41 | 68 | 71 | 46 | 51 | 50 | 33 | 83 |
Swell 3 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | SE 11 | SE 11 | ESE 11 | SE 11 | ESE 11 | ESE 10 | ESE 10 | E 14 | ESE 10 | E 14 | SW 9 | SE 14 | SE 13 | SE 13 | SSW 8 |
| kJ | 13 | 14 | 13 | 30 | 31 | 24 | 30 | 40 | 22 | 11 | 34 | 10 | 36 | 21 | 29 | 45 | 61 | 21 |
Wind waves Height (m) Direction Period (s) | ENE 7 | — | — | E 6 | E 6 | ESE 4 | — | — | — | — | — | ESE 3 | ESE 4 | ESE 4 | ESE 4 | E 6 | ESE 5 | ESE 5 |
| kJ | 15 | — | — | 12 | 11 | 12 | — | — | — | — | — | 4 | 5 | 5 | 3 | 16 | 17 | 23 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 330 | 27 | 27 | 0 | 18 | 23 | 23 | 72 | 27 | 330 | 27 | 18 | 27 | 0 | 0 | 27 | 27 | 330 |
Best forecast wave conditions in Kyu Shu | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
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