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Surf Forecasts:
Nichinan surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 8 pm Thursday 21 May 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
22.8° C
(Which is slightly cooler than normal)How big are the waves at Nichinan today?
The current surf forecast for Nichinan at 4AM is: 0.8m 10s primary swell from a East-southeast direction and 0.9m 6s secondary swell from a South-southwest direction (forecast issued at 08:00pm May 21). An open ocean swell of 0.8m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 May) | 2.5ft (0.8m) | 10s |
| Afternoon (22 May) | 2.5ft (0.8m) | 10s |
| Evening (22 May) | 2.5ft (0.8m) | 9s |
Table - waves today at Nichinan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 10mm), heaviest on Sat afternoon. Warm (max 24°C on Thu night, min 20°C on Thu night). Winds increasing (calm on Fri night, fresh winds from the N by Sun morning). | ||||||||||||||||||||||||
Thu 21 | Friday 22 | Saturday 23 | Sunday 24 | |||||||||||||||||||||
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 | 12 PM | 3 PM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | ESE 9 | E 9 | E 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 9 | ENE 9 | |
160 | 139 | 155 | 103 | 103 | 103 | 103 | 103 | 103 | 100 | 128 | 128 | 128 | 125 | 125 | 65 | 249 | 462 | 712 | 784 | 567 | 618 | 673 | 659 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross-off | cross-off | cross-off | glassy | cross-on | on | on | glassy | glassy | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | |
High Tide | 10:46PM1.67m | 9:34AM1.63m | 11:48PM1.60m | 10:51AM1.49m | 00:49AM1.58m | 12:27PM1.40m | ||||||||||||||||||
Low Tide | 3:42PM0.12m | 4:11AM1.08m | 4:42PM0.29m | 5:32AM1.05m | 5:47PM0.46m | 6:58AM0.95m | ||||||||||||||||||
 |  |  |  |  | | | | | | | |  |  |  | | |  | | | | | |  | |
 | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:13 | — | — | — | — |
 | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | 7:08 |
2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 4 | — | — | — | — | — | — | — | 1 | |
Temp °C | 24 | 24 | 23 | 21 | 20 | 23 | 24 | 24 | 23 | 21 | 21 | 21 | 21 | 22 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 22 | 22 |
25 | 26 | 24 | 21 | 21 | 25 | 24 | 24 | 24 | 23 | 24 | 23 | 22 | 23 | 21 | 19 | 19 | 20 | 19 | 19 | 20 | 19 | 19 | 22 | |
Swell 1 Height (m) Direction Period (s) | ESE 10 | ESE 10 | S 6 | SSW 6 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | ESE 9 | E 9 | E 10 | E 10 | E 10 | ENE 10 | S 6 | SSE 6 | SW 6 |
 kJ | 132 | 129 | 97 | 64 | 103 | 103 | 103 | 103 | 103 | 100 | 128 | 128 | 128 | 125 | 125 | 65 | 249 | 460 | 539 | 602 | 567 | 16 | 12 | 2 |
Swell 2 Height (m) Direction Period (s) | — | — | ESE 10 | ESE 10 | S 6 | S 6 | S 6 | S 6 | S 6 | S 5 | NE 5 | NNE 4 | NNE 4 | NE 4 | NE 5 | SSE 6 | SW 6 | SW 6 | — | SSW 6 | S 6 | SSW 6 | SSW 6 | SW 6 |
| kJ | — | — | 129 | 103 | 47 | 35 | 24 | 24 | 23 | 14 | 6 | 2 | 2 | 1 | 1 | 11 | 1 | 1 | — | 10 | 17 | 6 | 6 | 2 |
Swell 3 Height (m) Direction Period (s) | — | — | — | SSW 6 | S 6 | NE 5 | NNE 5 | NNE 6 | NE 6 | NE 5 | SW 6 | SW 7 | SW 7 | NE 6 | W 6 | ENE 10 | SW 6 | — | — | — | — | SW 6 | SW 6 | — |
| kJ | — | — | — | 25 | 27 | 4 | 11 | 12 | 8 | 6 | 2 | 2 | 2 | 1 | 1 | 33 | 1 | — | — | — | — | 2 | 2 | — |
Wind waves Height (m) Direction Period (s) | SSW 6 | SSW 6 | SSW 6 | WSW 6 | — | W 7 | WSW 6 | WSW 6 | WSW 4 | WSW 4 | — | — | — | ESE 2 | — | E 3 | E 3 | ENE 10 | ENE 10 | ENE 10 | — | ENE 10 | ENE 9 | ENE 9 |
| kJ | 160 | 139 | 155 | 42 | — | 22 | 23 | 28 | 5 | 3 | — | — | — | 1 | — | 1 | 6 | 462 | 712 | 784 | — | 618 | 673 | 659 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 330 | 6 | 0 | 0 | 0 | 0 | 303 | 316 | 27 | 0 | 0 | 23 | 27 | 27 | 27 | 27 | 27 | 27 | 62 | 26 | 27 | 84 | 377 | 72 |
Best forecast wave conditions in Kyu Shu | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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