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Surf Forecasts:
Nagata surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 8 pm Thursday 23 Apr 2026 JSTForecast update in hr min s Forecast update imminent
Nagata surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Nagata sea temperature is
20.7° C
(Which is 1.2°C colder than average for this time of year)How big are the waves at Nagata today?
The current surf forecast for Nagata at 5AM is: 0.8m 7s primary swell from a South direction (forecast issued at 08:00pm April 23). An open ocean swell of 0.5m 10s is not directed at the surf break, a second open ocean swell of 0.9m 6s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (24 Apr) | 1.5ft (0.4m) | 12s |
| Afternoon (24 Apr) | 1.5ft (0.4m) | 12s |
| Evening (24 Apr) | 1.5ft (0.4m) | 12s |
Table - waves today at Nagata. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 8mm), mostly falling on Sat night. Very mild (max 19°C on Sun morning, min 15°C on Fri morning). Mainly fresh winds. | ||||||||||||||||||||||||
Thu 23 | Friday 24 | Saturday 25 | Sunday 26 | |||||||||||||||||||||
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 | 12 PM | 3 PM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
WSW 8 | S 7 | S 7 | S 7 | S 7 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | ESE 12 | SE 14 | SE 15 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 9 | E 9 | |
348 | 113 | 71 | 57 | 56 | 40 | 37 | 37 | 37 | 36 | 23 | 36 | 22 | 14 | 8 | 8 | 929 | 861 | 1037 | 1375 | 1476 | 1317 | 1236 | 1037 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | |
High Tide | 11:34PM1.41m | 9:56AM1.45m | 1:11AM1.40m | 11:38AM1.33m | 2:31AM1.46m | 1:50PM1.34m | ||||||||||||||||||
Low Tide | 4:18PM0.34m | 4:34AM1.11m | 5:30PM0.48m | 6:39AM1.12m | 7:05PM0.56m | 8:31AM0.98m | ||||||||||||||||||
 |  | | |  | | | | |  | | | | | | |  |  | | | |  | |  | |
 | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:35 | — | — | — | — |
 | 6:47 | — | — | — | — | — | — | — | 6:49 | — | — | — | — | — | — | — | 6:49 | — | — | — | — | — | — | 6:50 |
2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 1 | — | 2 | 1 | 1 | — | |
Temp °C | 20 | 17 | 17 | 17 | 16 | 16 | 15 | 16 | 15 | 15 | 15 | 15 | 15 | 17 | 16 | 17 | 17 | 16 | 18 | 18 | 18 | 18 | 19 | 19 |
23 | 16 | 16 | 16 | 14 | 13 | 12 | 13 | 12 | 12 | 12 | 11 | 12 | 12 | 12 | 13 | 13 | 14 | 15 | 15 | 16 | 15 | 15 | 15 | |
Swell 1 Height (m) Direction Period (s) | S 7 | S 7 | S 7 | S 7 | S 7 | S 6 | S 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SE 12 | S 6 | S 6 | S 6 | S 7 | E 15 | SW 7 | — | — | — | — | — | E 9 |
 kJ | 171 | 113 | 71 | 57 | 56 | 40 | 29 | 8 | 8 | 13 | 8 | 36 | 7 | 3 | 3 | 4 | 4 | 2 | — | — | — | — | — | 1037 |
Swell 2 Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 10 | E 10 | SE 12 | ENE 10 | SE 12 | SE 12 | SE 12 | SE 12 | SSE 6 | SE 12 | ESE 12 | SE 12 | SW 7 | E 15 | — | — | — | — | — | — | — |
| kJ | 70 | 70 | 70 | 49 | 48 | 37 | 30 | 37 | 37 | 36 | 23 | 8 | 22 | 14 | 6 | 2 | 4 | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | WSW 8 | WSW 8 | SW 8 | SW 8 | SE 12 | WSW 7 | SE 12 | SSW 6 | SSW 6 | SW 7 | SW 7 | SW 7 | SW 7 | E 15 | SE 14 | SE 15 | — | — | — | — | — | — | — | — |
| kJ | 26 | 35 | 29 | 14 | 39 | 5 | 37 | 8 | 4 | 2 | 2 | 2 | 2 | 4 | 8 | 8 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 8 | NNE 5 | NE 6 | NE 6 | NE 6 | NE 6 | NE 7 | NE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 9 | — |
| kJ | 348 | 51 | 43 | 47 | 54 | 104 | 158 | 217 | 327 | 487 | 574 | 673 | 741 | 741 | 790 | 841 | 929 | 861 | 1037 | 1375 | 1476 | 1317 | 1236 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 87 | 0 | 0 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 98 | 342 | 87 | 0 | 0 | 330 | 330 | 0 | 342 | 342 | 335 |
Best forecast wave conditions in Kyu Shu | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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