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Surf Forecasts:
Nichinan surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 2 pm Saturday 16 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
22.2° C
(Which is slightly cooler than normal)How big are the waves at Nichinan today?
The current surf forecast for Nichinan at 10PM is: 0.9m 8s primary swell from a East-northeast direction and 0.8m 9s secondary swell from a East-southeast direction (forecast issued at 02:00pm May 16). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 May) | - | - |
| Afternoon (16 May) | 4ft (1.2m) | 8s |
| Evening (16 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 ForecastMostly dry. Warm (max 23°C on Sat afternoon, min 19°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Sat 16 | Sunday 17 | Monday 18 | Tue 19 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
E 8 | E 8 | E 9 | ESE 9 | ESE 9 | ENE 9 | ENE 9 | ENE 9 | ESE 8 | ESE 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 | ESE 9 | ESE 9 | ESE 9 | E 9 | E 9 | E 10 | E 10 | E 9 | |
190 | 199 | 165 | 106 | 118 | 129 | 103 | 103 | 119 | 143 | 162 | 146 | 140 | 140 | 113 | 116 | 129 | 132 | 132 | 99 | 99 | 145 | 117 | 95 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | on | glassy | glassy | off | glassy | glassy | cross-on | on | cross-on | glassy | cross-off | off | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | |
High Tide | 6:19PM1.97m | 5:35AM1.97m | 7:08PM1.99m | 6:14AM1.98m | 7:59PM1.95m | 6:56AM1.96m | ||||||||||||||||||
Low Tide | 11:36AM-0.06m | 11:57PM0.80m | 12:20PM-0.16m | 00:40AM0.88m | 1:05PM-0.19m | 1:25AM0.97m | ||||||||||||||||||
 | | |  | | | | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:15 | — | — |
 | — | — | 7:02 | — | — | — | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | 7:05 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 23 | 22 | 21 | 20 | 19 | 19 | 21 | 23 | 23 | 22 | 21 | 20 | 19 | 19 | 21 | 23 | 23 | 22 | 21 | 20 | 20 | 20 | 22 |
22 | 22 | 23 | 23 | 21 | 20 | 20 | 22 | 23 | 23 | 23 | 23 | 21 | 20 | 20 | 22 | 23 | 23 | 22 | 22 | 21 | 20 | 20 | 20 | |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | E 9 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ESE 8 | ESE 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 | ESE 9 | ESE 9 | ESE 9 | E 9 | E 9 | E 10 | ESE 5 | E 9 |
 kJ | 190 | 199 | 165 | 104 | 118 | 129 | 103 | 103 | 119 | 143 | 162 | 146 | 140 | 140 | 113 | 116 | 129 | 132 | 132 | 99 | 99 | 145 | 42 | 95 |
Swell 2 Height (m) Direction Period (s) | ESE 10 | ESE 10 | SE 9 | ESE 9 | ESE 9 | ESE 8 | ESE 9 | ESE 9 | ENE 9 | ENE 8 | ENE 8 | SE 11 | SE 10 | SE 10 | SE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | SE 10 | ESE 5 | ESE 11 | E 10 | SE 10 |
| kJ | 52 | 18 | 79 | 106 | 103 | 86 | 94 | 94 | 68 | 54 | 14 | 30 | 27 | 27 | 35 | 14 | 14 | 14 | 13 | 28 | 17 | 13 | 117 | 38 |
Swell 3 Height (m) Direction Period (s) | SE 11 | SE 11 | SE 12 | SE 12 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | — | — | — | ESE 10 | ESE 10 | ESE 10 | SE 10 | SE 10 | — | SE 10 | — | ESE 11 | — |
| kJ | 20 | 19 | 21 | 21 | 20 | 32 | 30 | 18 | 18 | 19 | 19 | — | — | — | 10 | 10 | 10 | 4 | 4 | — | 28 | — | 12 | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | ESE 4 | SE 4 | — | SE 5 | — | ESE 6 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 12 | 10 | — | 29 | — | 72 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 27 | 27 | 27 | 0 | 0 | 0 | 0 | 0 | 380 | 141 | 6 | 0 | 0 | 0 | 0 | 27 | 27 | 27 | 27 | 26 | 27 | 27 | 6 | 99 |
Best forecast wave conditions in Kyu Shu | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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