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Surf Forecasts:
Nichinan surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 2 pm Sunday 17 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
22.1° C
(Which is 1.0°C colder than average for this time of year)How big are the waves at Nichinan today?
The current surf forecast for Nichinan at 11PM is: 1.0m 8s primary swell from a East direction and 0.4m 10s secondary swell from a Southeast direction (forecast issued at 02:00pm May 17). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | - | - |
| Afternoon (17 May) | 3ft (0.9m) | 9s |
| Evening (17 May) | 3.5ft (1.0m) | 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 17mm), heaviest on Tue night. Warm (max 24°C on Sun afternoon, min 19°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sun 17 | Monday 18 | Tuesday 19 | Wed 20 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
ESE 8 | ESE 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 | E 9 | ESE 9 | E 9 | E 9 | E 9 | E 9 | E 10 | ESE 7 | E 9 | E 8 | SE 7 | SE 7 | SE 8 | SE 8 | SE 8 | ESE 10 | |
119 | 143 | 162 | 146 | 140 | 140 | 113 | 116 | 125 | 132 | 101 | 123 | 97 | 109 | 148 | 116 | 189 | 134 | 240 | 262 | 326 | 507 | 371 | 289 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | on | cross-on | cross | cross-off | glassy | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | |
High Tide | 7:08PM1.99m | 6:14AM1.98m | 7:59PM1.95m | 6:56AM1.96m | 8:51PM1.86m | 7:42AM1.89m | ||||||||||||||||||
Low Tide | 12:20PM-0.16m | 00:40AM0.88m | 1:05PM-0.19m | 1:25AM0.97m | 1:54PM-0.15m | 2:12AM1.03m | ||||||||||||||||||
 | | |  | | | | | | | | | | |  | |  | | |  | |  |  | | |
 | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:15 | — | — | — | — | — | — | — | 5:15 | — | — |
 | — | — | 7:04 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | 7:06 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 4 | 7 | 3 | — | — | — | |
Temp °C | 23 | 24 | 23 | 21 | 20 | 20 | 19 | 21 | 23 | 23 | 22 | 21 | 21 | 20 | 21 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 22 |
23 | 24 | 24 | 22 | 21 | 21 | 19 | 21 | 23 | 22 | 22 | 21 | 21 | 19 | 20 | 20 | 20 | 20 | 21 | 24 | 23 | 23 | 22 | 23 | |
Swell 1 Height (m) Direction Period (s) | ESE 8 | ESE 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 | E 9 | ESE 9 | E 9 | E 9 | E 9 | E 9 | SE 6 | E 9 | SE 7 | SE 7 | SE 7 | SE 7 | SE 8 | SE 8 | SE 8 | SSE 8 |
 kJ | 119 | 143 | 162 | 146 | 140 | 140 | 113 | 116 | 125 | 132 | 101 | 123 | 97 | 109 | 97 | 97 | 102 | 125 | 240 | 262 | 326 | 328 | 371 | 214 |
Swell 2 Height (m) Direction Period (s) | ENE 9 | ENE 8 | ENE 8 | SE 11 | SE 10 | SE 10 | SE 12 | ESE 12 | ESE 12 | ESE 10 | ESE 12 | SE 10 | SE 10 | SE 11 | E 10 | SE 11 | SE 11 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 |
| kJ | 68 | 54 | 14 | 30 | 27 | 27 | 35 | 14 | 14 | 10 | 13 | 28 | 28 | 20 | 148 | 29 | 29 | 86 | 72 | 69 | 153 | 156 | 135 | 289 |
Swell 3 Height (m) Direction Period (s) | SE 11 | SE 11 | SE 11 | — | — | — | ESE 10 | ESE 10 | ESE 10 | SE 12 | SE 10 | — | — | — | ESE 11 | — | — | — | E 8 | ENE 8 | — | — | — | — |
| kJ | 18 | 19 | 19 | — | — | — | 10 | 10 | 10 | 6 | 4 | — | — | — | 12 | — | — | — | 34 | 21 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | ENE 2 | ESE 4 | ESE 4 | SE 5 | SE 6 | ESE 6 | — | ESE 7 | E 9 | E 8 | — | — | — | SE 8 | — | — |
| kJ | — | — | — | — | — | — | — | — | 1 | 8 | 13 | 16 | 46 | 67 | — | 116 | 189 | 134 | — | — | — | 507 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 380 | 141 | 6 | 6 | 0 | 0 | 0 | 27 | 677 | 348 | 348 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 0 | 0 | 27 | 0 |
Best forecast wave conditions in Kyu Shu | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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