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Surf Forecasts:
Nichinan surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 2 pm 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
21.5° C
(Which is normal for this time of year)How big are the waves at Nichinan today?
The current surf forecast for Nichinan at 7PM is: 1.3m 7s primary swell from a South direction and 0.7m 10s secondary swell from a East direction (forecast issued at 02:00pm April 23). An open ocean swell of 0.6m 5s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Apr) | - | - |
| Afternoon (23 Apr) | 5ft (1.6m) | 8s |
| Evening (23 Apr) | 4ft (1.2m) | 7s |
Table - waves today at Nichinan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 18mm), heaviest on Thu afternoon. Very mild (max 18°C on Thu afternoon, min 15°C on Fri morning). Winds increasing (light winds from the ENE on Thu afternoon, fresh winds from the NNE by Sun morning). | ||||||||||||||||||||||||
Thu 23 | Friday 24 | Saturday 25 | Sun 26 | |||||||||||||||||||||
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 | 12 AM | 3 AM | 6 AM | 9 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
S 7 | S 8 | S 7 | S 7 | S 7 | S 7 | S 7 | NE 6 | NE 7 | NE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | |
315 | 283 | 178 | 143 | 94 | 73 | 56 | 135 | 213 | 301 | 372 | 612 | 713 | 808 | 813 | 828 | 917 | 1215 | 1614 | 1514 | 1651 | 1651 | 1773 | 1431 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross-off | |
High Tide | 9:20AM1.60m | 00:23AM1.47m | 10:39AM1.44m | 1:55AM1.48m | 12:43PM1.35m | 2:56AM1.53m | ||||||||||||||||||
Low Tide | 4:51PM0.28m | 5:35AM1.17m | 6:17PM0.41m | 7:46AM1.08m | 7:45PM0.47m | |||||||||||||||||||
 |  | |  |  | | | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:35 | — | — |
 | — | — | 6:47 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:49 | — | — | — | — | 6:50 |
— | 1 | 2 | 1 | — | — | — | — | — | 1 | — | 1 | 2 | 1 | — | — | — | — | — | 2 | 2 | 1 | 1 | 2 | |
Temp °C | 19 | 18 | 17 | 17 | 17 | 17 | 16 | 16 | 15 | 15 | 15 | 15 | 16 | 15 | 16 | 16 | 16 | 17 | 17 | 17 | 18 | 18 | 18 | 18 |
20 | 19 | 16 | 16 | 16 | 15 | 12 | 13 | 11 | 11 | 11 | 11 | 13 | 11 | 12 | 12 | 11 | 13 | 13 | 14 | 15 | 14 | 15 | 14 | |
Swell 1 Height (m) Direction Period (s) | S 7 | S 8 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 | S 6 | S 6 | SSE 6 | SSE 6 | SSE 6 | S 6 | S 6 | ESE 12 | S 6 | S 6 | E 10 | — | — | — | E 10 | E 10 |
 kJ | 315 | 283 | 178 | 143 | 94 | 73 | 56 | 42 | 29 | 20 | 13 | 8 | 13 | 7 | 7 | 14 | 3 | 3 | 1390 | — | — | — | 1539 | 1431 |
Swell 2 Height (m) Direction Period (s) | 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 | S 6 | SE 12 | — | — | — | — | — | — | — |
| kJ | 94 | 94 | 94 | 68 | 68 | 48 | 47 | 47 | 37 | 37 | 37 | 36 | 36 | 23 | 23 | 3 | 6 | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | ESE 13 | SE 13 | SE 13 | SE 13 | SE 13 | SE 13 | SE 12 | SE 12 | E 10 | WSW 7 | SSW 6 | SSW 6 | SW 7 | SW 7 | SW 7 | E 15 | SW 7 | — | — | — | — | — | — | — |
| kJ | 67 | 44 | 44 | 43 | 42 | 42 | 40 | 37 | 17 | 5 | 8 | 4 | 2 | 2 | 2 | 4 | 2 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | N 4 | — | NE 5 | NE 5 | NE 6 | NE 6 | NE 6 | NE 6 | NE 7 | NE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | — |
| kJ | 9 | — | 11 | 55 | 66 | 66 | 92 | 135 | 213 | 301 | 372 | 612 | 713 | 808 | 813 | 828 | 917 | 1215 | 1614 | 1514 | 1651 | 1651 | 1773 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 18 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 62 | 72 | 62 | 62 | 62 | 62 | 72 | 62 | 62 | 27 | 27 | 27 | 27 | 27 | 303 |
Best forecast wave conditions in Kyu Shu | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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