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Surf Forecasts:
Nichinan surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 2 am Tuesday 19 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
22.4° C
(Which is slightly cooler than normal)How big are the waves at Nichinan today?
The current surf forecast for Nichinan at 8AM is: 0.7m 9s primary swell from a East direction and 1.0m 6s secondary swell from a Southeast direction (forecast issued at 02:00am May 19). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | 2.5ft (0.7m) | 9s |
| Afternoon (19 May) | 4.5ft (1.4m) | 7s |
| Evening (19 May) | 4.5ft (1.4m) | 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 19mm), heaviest on Tue night. Warm (max 25°C on Wed afternoon, min 19°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 19 | Wednesday 20 | Thursday 21 | ||||||||||||||||||||||
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 9 | E 9 | E 9 | E 9 | SE 6 | ESE 7 | SE 7 | ESE 7 | SE 7 | SE 7 | SE 7 | ESE 7 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | S 7 | S 6 | SSW 6 | SSW 6 | SSW 7 | SW 7 | |
99 | 113 | 102 | 71 | 88 | 214 | 93 | 191 | 184 | 277 | 279 | 142 | 139 | 166 | 179 | 179 | 269 | 214 | 166 | 221 | 245 | 216 | 192 | 178 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | glassy | glassy | glassy | glassy | cross-on | cross-on | cross-on | cross | cross-off | cross | cross | cross | cross | cross | cross-off | cross-off | |
High Tide | 6:56AM1.96m | 8:51PM1.86m | 7:42AM1.89m | 9:47PM1.76m | 8:33AM1.77m | |||||||||||||||||||
Low Tide | 1:25AM0.97m | 1:54PM-0.15m | 2:12AM1.03m | 2:46PM-0.04m | 3:06AM1.07m | 3:42PM0.12m | ||||||||||||||||||
 | |  |  |  | | |  |  | |  |  | | | |  |  | | | | | | | | |
 | — | 5:15 | — | — | — | — | — | — | — | 5:15 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:06 | — | — | — | — | — | — | — | 7:07 | — |
— | — | — | — | — | — | — | 2 | 8 | 2 | 2 | 1 | 1 | 1 | — | — | — | — | — | — | — | 1 | 1 | — | |
Temp °C | 21 | 20 | 20 | 22 | 23 | 22 | 21 | 21 | 22 | 22 | 22 | 23 | 24 | 25 | 24 | 23 | 23 | 23 | 24 | 24 | 25 | 24 | 23 | 20 |
22 | 20 | 20 | 21 | 22 | 22 | 21 | 22 | 25 | 26 | 25 | 27 | 26 | 26 | 25 | 25 | 25 | 24 | 25 | 24 | 25 | 25 | 24 | 19 | |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | SE 6 | SE 6 | SE 7 | SE 7 | ESE 10 | SE 7 | ESE 10 | SE 7 | ESE 7 | SE 7 | SE 7 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | S 7 | ESE 10 | SSW 7 |
 kJ | 99 | 113 | 102 | 68 | 88 | 115 | 93 | 81 | 184 | 132 | 279 | 142 | 139 | 109 | 179 | 179 | 269 | 214 | 166 | 163 | 132 | 109 | 105 | 121 |
Swell 2 Height (m) Direction Period (s) | SE 5 | SE 11 | SE 11 | E 9 | E 8 | E 8 | ESE 10 | SE 11 | ESE 9 | — | ESE 10 | ESE 10 | S 7 | ESE 10 | SE 7 | SE 7 | S 7 | SE 6 | — | — | — | ESE 10 | SSE 7 | ESE 10 |
| kJ | 14 | 20 | 30 | 71 | 69 | 50 | 90 | 31 | 149 | — | 166 | 135 | 108 | 166 | 88 | 77 | 103 | 27 | — | — | — | 132 | 52 | 105 |
Swell 3 Height (m) Direction Period (s) | SE 10 | — | — | SE 11 | ESE 11 | ESE 10 | — | SE 11 | — | — | — | — | ESE 10 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 28 | — | — | 29 | 44 | 58 | — | 31 | — | — | — | — | 135 | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | SE 5 | SE 6 | — | — | ESE 7 | E 8 | ESE 7 | — | SE 7 | — | S 7 | — | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 | S 6 | SSW 6 | SSW 6 | SSW 7 | SW 7 |
| kJ | — | 28 | 52 | — | — | 214 | 90 | 191 | — | 277 | — | 131 | — | 108 | 104 | 104 | 173 | 89 | 144 | 221 | 245 | 216 | 192 | 178 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 18 | 27 | 27 | 84 | 348 | 330 | 27 | 27 | 0 | 0 | 0 | 0 | 6 | 303 | 303 | 18 | 0 | 18 | 308 | 6 | 608 | 18 | 0 | 6 |
Best forecast wave conditions in Kyu Shu | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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