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Surf Forecasts:
Nichinan surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 2 am Thursday 23 Apr 2026 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
21.2° C
(Which is normal for this time of year)How big are the waves at Nichinan today?
The current surf forecast for Nichinan at 8AM is: 1.8m 7s primary swell from a South direction and 0.8m 10s secondary swell from a East direction, 1.3m 6s secondary swell from a South direction (forecast issued at 02:00am April 23). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Apr) | 8ft (2.4m) | 7s |
| Afternoon (23 Apr) | 5ft (1.5m) | 7s |
| Evening (23 Apr) | 3.5ft (1.1m) | 7s |
Table - waves today at Nichinan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 42mm), heaviest during Thu morning. Very mild (max 18°C on Sat afternoon, min 15°C on Fri morning). Mainly fresh winds. | ||||||||||||||||||||||||
Thursday 23 | Friday 24 | Saturday 25 | ||||||||||||||||||||||
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 | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
E 10 | E 10 | E 10 | SSW 7 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 | NE 7 | NE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | E 10 | E 10 | E 10 | |
247 | 202 | 164 | 571 | 279 | 243 | 178 | 127 | 106 | 79 | 61 | 218 | 273 | 329 | 441 | 483 | 547 | 547 | 694 | 858 | 1156 | 1416 | 1747 | 1737 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross | cross | cross | cross-off | cross | cross | cross | |
High Tide | 10:52PM1.56m | 9:20AM1.60m | 00:23AM1.47m | 10:39AM1.44m | 1:55AM1.48m | 12:43PM1.35m | ||||||||||||||||||
Low Tide | 3:56AM1.13m | 4:51PM0.28m | 5:35AM1.17m | 6:17PM0.41m | 7:46AM1.08m | 7:45PM0.47m | ||||||||||||||||||
 |  |  | |  |  | |  | | | | | | | |  | |  |  | | | | | | |
 | — | 5:37 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:49 | — |
6 | 12 | 19 | 26 | — | 1 | 1 | — | — | — | — | — | 1 | 1 | — | — | — | 1 | — | — | 1 | 1 | 2 | 3 | |
Temp °C | 16 | 16 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 17 | 17 | 18 | 18 | 18 |
14 | 15 | 17 | 15 | 16 | 16 | 14 | 13 | 13 | 13 | 13 | 11 | 11 | 11 | 11 | 12 | 13 | 11 | 11 | 12 | 13 | 14 | 14 | 14 | |
Swell 1 Height (m) Direction Period (s) | E 10 | E 10 | E 10 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 | S 6 | S 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | S 6 | S 6 | S 6 | — | — | — |
 kJ | 247 | 202 | 164 | 302 | 279 | 243 | 178 | 127 | 106 | 79 | 61 | 43 | 30 | 20 | 13 | 13 | 8 | 7 | 7 | 3 | 3 | — | — | — |
Swell 2 Height (m) Direction Period (s) | ESE 13 | ESE 13 | ESE 13 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | — | — | — | — |
| kJ | 69 | 68 | 68 | 130 | 94 | 94 | 94 | 68 | 68 | 68 | 47 | 30 | 37 | 37 | 37 | 37 | 37 | 23 | 22 | 6 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | SSE 4 | S 4 | — | ESE 13 | ESE 13 | NE 5 | SE 13 | SE 13 | SE 13 | SE 13 | SE 12 | SE 12 | SW 7 | SW 7 | SW 7 | SW 7 | W 7 | SW 7 | SW 7 | SE 15 | — | — | — | — |
| kJ | 3 | 3 | — | 67 | 67 | 10 | 44 | 43 | 43 | 42 | 40 | 38 | 2 | 2 | 2 | 2 | 1 | 2 | 2 | 8 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | S 4 | S 6 | SSW 7 | NNE 4 | — | NE 5 | NE 6 | NE 6 | NE 6 | NE 6 | NE 7 | NE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | E 10 | E 10 | E 10 |
| kJ | — | 8 | 105 | 571 | 7 | — | 23 | 112 | 92 | 83 | 131 | 218 | 273 | 329 | 441 | 483 | 547 | 547 | 694 | 858 | 1156 | 1416 | 1747 | 1737 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 27 | 18 | 0 | 18 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 62 | 62 | 62 | 62 | 62 | 62 | 62 | 62 | 303 | 377 | 72 | 27 |
Best forecast wave conditions in Kyu Shu | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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