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Surf Forecasts:
Nichinan surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 2 pm Tuesday 12 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
21.6° C
(Which is 1.2°C colder than average for this time of year)How big are the waves at Nichinan today?
The current surf forecast for Nichinan at 8PM is: 1.5m 10s primary swell from a East-southeast direction and 0.1m 8s secondary swell from a South direction (forecast issued at 02:00pm May 12). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 May) | - | - |
| Afternoon (12 May) | 4.5ft (1.4m) | 9s |
| Evening (12 May) | 5ft (1.6m) | 10s |
Table - waves today at Nichinan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 15mm), heaviest on Tue night. Warm (max 22°C on Thu afternoon, min 17°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Tue 12 | Wednesday 13 | Thursday 14 | Fri 15 | |||||||||||||||||||||
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 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | |
237 | 322 | 383 | 452 | 452 | 433 | 367 | 360 | 307 | 295 | 254 | 254 | 254 | 216 | 203 | 203 | 207 | 217 | 203 | 279 | 273 | 273 | 268 | 220 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | on | on | glassy | glassy | glassy | cross-off | glassy | glassy | on | cross-on | cross | glassy | glassy | glassy | cross | cross-on | cross-on | cross-on | glassy | cross-off | cross-off | cross-off | cross | |
High Tide | 2:38PM1.46m | 3:16AM1.67m | 3:44PM1.61m | 3:51AM1.76m | 4:39PM1.77m | 4:25AM1.84m | ||||||||||||||||||
Low Tide | 8:50PM0.59m | 9:33AM0.55m | 9:43PM0.60m | 10:14AM0.32m | 10:30PM0.64m | |||||||||||||||||||
 | |  |  | |  |  | | | | |  |  | | | | | | | |  | | |  | |
 | — | — | — | — | — | 5:18 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — | — | 5:18 | — | — |
 | — | — | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | 7:02 |
— | — | — | 1 | 1 | 1 | 3 | 1 | 1 | 1 | 1 | — | — | — | — | — | 1 | 1 | — | — | — | — | 1 | 1 | |
Temp °C | 21 | 21 | 21 | 19 | 18 | 18 | 17 | 19 | 20 | 21 | 21 | 20 | 19 | 18 | 18 | 20 | 21 | 22 | 22 | 20 | 20 | 19 | 19 | 20 |
20 | 19 | 21 | 20 | 19 | 19 | 18 | 20 | 21 | 21 | 21 | 21 | 20 | 19 | 19 | 21 | 21 | 22 | 22 | 21 | 20 | 18 | 18 | 19 | |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 |
 kJ | 237 | 322 | 383 | 452 | 452 | 433 | 367 | 360 | 307 | 295 | 254 | 254 | 254 | 216 | 203 | 203 | 207 | 217 | 203 | 279 | 273 | 273 | 268 | 220 |
Swell 2 Height (m) Direction Period (s) | — | S 11 | S 11 | S 8 | S 8 | S 8 | SE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 7 | SSE 7 | SSE 7 | E 11 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | S 7 |
| kJ | — | 2 | 2 | 1 | 1 | 1 | 3 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 61 | 5 | 5 | 5 | 5 | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | — | S 11 | — | S 10 | S 10 | — | — | — | — | S 10 | — | — | — | — | — | — | SSE 7 | — | — | — | — | — |
| kJ | — | — | — | 2 | — | 2 | 2 | — | — | — | — | 2 | — | — | — | — | — | — | 5 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NNE 3 | NE 3 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 7 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 27 | 27 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 328 | 6 | 6 | 0 | 0 | 0 | 27 | 27 | 27 | 27 | 0 | 0 | 0 | 27 | 303 |
Best forecast wave conditions in Kyu Shu | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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