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Surf Forecasts:
Nagata surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 8 am 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
20.4° C
(Which is 1.4°C colder than average for this time of year)How big are the waves at Nagata today?
The current surf forecast for Nagata at 1PM is: 1.6m 7s primary swell from a South direction and 0.7m 10s secondary swell from a East direction (forecast issued at 08:00am April 23). An open ocean swell of 0.2m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Apr) | 10ft (3.0m) | 7s |
| Afternoon (23 Apr) | 5ft (1.5m) | 8s |
| Evening (23 Apr) | 3ft (0.9m) | 7s |
Table - waves today at Nagata. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 35mm), heaviest during Thu morning. Very mild (max 19°C on Thu afternoon, min 15°C on Fri morning). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 23 | Friday 24 | Saturday 25 | Sun 26 | |||||||||||||||||||||
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 | 12 AM | 3 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
S 6 | SSW 7 | S 7 | WSW 8 | S 7 | S 7 | E 10 | S 7 | S 7 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | E 15 | SW 7 | E 10 | E 10 | E 10 | E 10 | E 10 | |
216 | 807 | 320 | 284 | 139 | 73 | 70 | 56 | 42 | 38 | 37 | 37 | 37 | 36 | 23 | 36 | 22 | 6 | 2 | 1391 | 1418 | 1466 | 1576 | 1680 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-off | cross-off | glassy | off | cross-off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | cross-off | cross-off | cross-off | |
High Tide | 9:02AM1.60m | 11:34PM1.41m | 9:56AM1.45m | 1:11AM1.40m | 11:38AM1.33m | 2:31AM1.46m | ||||||||||||||||||
Low Tide | 3:27AM1.01m | 4:18PM0.34m | 4:34AM1.11m | 5:30PM0.48m | 6:39AM1.12m | 7:05PM0.56m | ||||||||||||||||||
 | |  |  |  |  | | | | | | | |  |  | | | | | | | | | | |
 | 5:39 | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:35 |
 | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:49 | — | — | — | — | — | — | — | 6:49 | — | — | 6:50 |
22 | 23 | 1 | — | 1 | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | 1 | 2 | 1 | 2 | |
Temp °C | 19 | 18 | 18 | 19 | 17 | 17 | 16 | 16 | 16 | 16 | 15 | 16 | 15 | 15 | 15 | 15 | 15 | 16 | 17 | 17 | 18 | 18 | 18 | 18 |
18 | 19 | 19 | 21 | 16 | 16 | 15 | 15 | 13 | 13 | 11 | 12 | 11 | 12 | 12 | 11 | 11 | 11 | 12 | 13 | 16 | 16 | 15 | 15 | |
Swell 1 Height (m) Direction Period (s) | E 10 | SSW 7 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 | S 6 | S 6 | SSE 6 | SSE 6 | SSE 6 | SE 12 | SE 12 | SE 12 | SE 12 | SW 7 | — | — | — | — | E 10 |
 kJ | 128 | 381 | 320 | 206 | 139 | 73 | 56 | 56 | 42 | 29 | 19 | 7 | 13 | 8 | 23 | 36 | 22 | 6 | 2 | — | — | — | — | 1437 |
Swell 2 Height (m) Direction Period (s) | ESE 13 | E 10 | E 10 | E 10 | E 10 | WSW 8 | E 10 | E 10 | SE 12 | E 10 | SE 12 | SE 12 | SE 12 | SE 12 | SSE 6 | SSE 6 | S 6 | S 6 | — | — | — | — | — | — |
| kJ | 68 | 98 | 98 | 71 | 70 | 42 | 70 | 48 | 40 | 29 | 37 | 37 | 37 | 36 | 7 | 4 | 3 | 3 | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | SE 13 | ESE 13 | WSW 8 | WSW 8 | SE 13 | SW 8 | SW 8 | SW 7 | SE 12 | WSW 7 | S 6 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | E 15 | — | — | — | — | — | — |
| kJ | — | 44 | 67 | 26 | 26 | 43 | 29 | 15 | 14 | 38 | 5 | 7 | 2 | 2 | 2 | 2 | 2 | 4 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 6 | SSW 7 | NNE 4 | WSW 8 | NNE 5 | ENE 10 | NE 6 | NE 5 | NE 5 | NE 7 | NE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | E 10 | E 10 | E 10 | E 10 | E 10 |
| kJ | 216 | 807 | 2 | 284 | 17 | 200 | 60 | 40 | 82 | 155 | 223 | 287 | 412 | 496 | 569 | 651 | 697 | 778 | 938 | 1391 | 1418 | 1466 | 1576 | 1680 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 87 | 0 | 0 | 87 | 87 | 87 | 87 | 97 | 97 | 87 | 87 | 100 | 97 | 0 | 167 | 330 | 330 |
Best forecast wave conditions in Kyu Shu | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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