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Surf Forecasts:
Nichinan surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 2 am Thursday 30 Apr 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
21.9° C
(Which is normal for this time of year)How big are the waves at Nichinan today?
The current surf forecast for Nichinan at 5AM is: 0.3m 9s primary swell from a East direction and 0.3m 6s secondary swell from a Southeast direction (forecast issued at 02:00am April 30). An open ocean swell of 1.1m 5s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Apr) | 1ft (0.3m) | 11s |
| Afternoon (30 Apr) | 5ft (1.5m) | 6s |
| Evening (30 Apr) | 6ft (1.8m) | 7s |
Table - waves today at Nichinan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 45mm), heaviest during Thu morning. Warm (max 22°C on Sat morning, min 14°C on Fri night). Winds decreasing (fresh winds from the WNW on Fri morning, calm by Sat morning). | ||||||||||||||||||||||||
Thursday 30 | Friday 1 | Saturday 2 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
SE 11 | SE 11 | E 9 | SE 11 | NE 5 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | SE 10 | SE 10 | SE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | |
18 | 18 | 14 | 18 | 65 | 140 | 265 | 349 | 237 | 270 | 176 | 107 | 73 | 70 | 51 | 33 | 24 | 24 | 38 | 38 | 38 | 39 | 57 | 57 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-off | cross-off | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | glassy | cross-on | cross-on | cross | cross | |
High Tide | 5:01AM1.77m | 5:56PM1.76m | 5:27AM1.82m | 6:32PM1.80m | 5:53AM1.84m | 7:09PM1.80m | ||||||||||||||||||
Low Tide | 11:05PM0.58m | 11:30AM0.23m | 11:39PM0.64m | 12:00PM0.14m | 00:11AM0.71m | 12:30PM0.09m | ||||||||||||||||||
 | |  |  | |  | | | |  |  | | | | | | | |  | | | | | | |
 | — | 5:31 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:53 | — |
1 | 2 | 4 | 13 | 21 | 7 | 2 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 17 | 16 | 16 | 17 | 17 | 18 | 19 | 19 | 18 | 17 | 16 | 17 | 19 | 20 | 19 | 16 | 15 | 14 | 15 | 19 | 22 | 22 | 21 | 18 |
15 | 14 | 13 | 15 | 16 | 17 | 18 | 19 | 18 | 14 | 11 | 11 | 11 | 13 | 15 | 12 | 12 | 12 | 13 | 18 | 20 | 19 | 19 | 16 | |
Swell 1 Height (m) Direction Period (s) | E 8 | SE 11 | E 9 | SE 11 | NE 5 | SE 9 | S 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | ENE 8 | SE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 |
 kJ | 12 | 18 | 14 | 18 | 65 | 14 | 99 | 349 | 237 | 270 | 176 | 107 | 73 | 70 | 51 | 33 | 20 | 24 | 38 | 38 | 38 | 39 | 57 | 57 |
Swell 2 Height (m) Direction Period (s) | SE 11 | E 9 | SE 6 | E 10 | SE 10 | SE 9 | SE 8 | S 8 | S 8 | S 8 | S 7 | S 7 | S 7 | SE 10 | SE 10 | SE 10 | SE 10 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | — | — |
| kJ | 18 | 13 | 6 | 2 | 15 | 13 | 18 | 247 | 208 | 168 | 88 | 47 | 22 | 24 | 24 | 24 | 24 | 13 | 13 | 13 | 14 | 5 | — | — |
Swell 3 Height (m) Direction Period (s) | E 10 | E 10 | SE 11 | E 10 | E 10 | — | — | SE 9 | SE 9 | SE 9 | SE 9 | SE 10 | SE 10 | SSW 7 | S 6 | SSW 5 | SW 5 | WSW 4 | S 6 | SW 4 | SW 6 | — | — | — |
| kJ | 2 | 2 | 4 | 2 | 7 | — | — | 12 | 20 | 21 | 21 | 24 | 24 | 9 | 1 | 3 | 1 | 2 | 1 | 1 | 1 | — | — | — |
Wind waves Height (m) Direction Period (s) | NE 6 | NE 6 | NE 5 | NE 6 | — | ENE 6 | ENE 7 | — | W 2 | WSW 3 | WSW 3 | W 4 | W 4 | W 4 | W 4 | W 4 | W 3 | W 3 | WSW 4 | — | SSW 5 | SW 3 | SW 3 | SW 3 |
| kJ | 61 | 64 | 76 | 131 | — | 140 | 265 | — | 1 | 7 | 9 | 13 | 19 | 27 | 18 | 9 | 4 | 1 | 2 | — | 3 | 2 | 5 | 6 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 249 | 795 | 1258 | 1258 | 1258 | 2023 | 715 | 72 | 27 | 27 | 0 | 18 | 18 | 32 | 354 | 359 | 6 | 6 | 24 | 1 | 1 | 1 | 6 | 303 |
Best forecast wave conditions in Kyu Shu | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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