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Surf Forecasts:
Nagata surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 2 am Wednesday 13 May 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
21.3° C
(Which is 1.7°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: 1.5m 9s primary swell from a East-southeast direction and 0.1m 8s secondary swell from a Southeast direction (forecast issued at 02:00am May 13). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 May) | 4.5ft (1.4m) | 9s |
| Afternoon (13 May) | 4.5ft (1.3m) | 9s |
| Evening (13 May) | 4ft (1.2m) | 9s |
Table - waves today at Nagata. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 3mm), mostly falling on Fri afternoon. Warm (max 23°C on Wed morning, min 17°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 13 | Thursday 14 | Friday 15 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
ESE 10 | ESE 10 | 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 | E 10 | E 9 | E 9 | E 9 | E 9 | |
435 | 375 | 367 | 314 | 302 | 295 | 254 | 254 | 254 | 246 | 203 | 198 | 203 | 207 | 216 | 262 | 273 | 271 | 225 | 183 | 175 | 108 | 81 | 365 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross | cross | cross | cross | cross | cross-off | off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | off | off | off | off | off | off | off | off | off | |
High Tide | 3:45AM1.71m | 4:29PM1.66m | 4:19AM1.78m | 5:15PM1.77m | 4:51AM1.85m | 5:57PM1.84m | ||||||||||||||||||
Low Tide | 9:33PM0.67m | 10:11AM0.47m | 10:20PM0.68m | 10:49AM0.29m | 11:01PM0.69m | 11:24AM0.14m | ||||||||||||||||||
 | |  | | | | |  | | | | | | |  |  | | | | | |  | | | |
 | — | 5:20 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:02 | — |
1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 1 | |
Temp °C | 17 | 16 | 16 | 21 | 23 | 22 | 21 | 19 | 18 | 17 | 17 | 21 | 23 | 23 | 22 | 20 | 20 | 18 | 18 | 21 | 22 | 22 | 22 | 20 |
17 | 15 | 15 | 21 | 23 | 22 | 21 | 20 | 18 | 17 | 17 | 21 | 22 | 22 | 23 | 21 | 21 | 18 | 17 | 19 | 19 | 20 | 21 | 19 | |
Swell 1 Height (m) Direction Period (s) | ESE 10 | ESE 10 | 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 | E 10 | E 9 | E 9 | E 9 | ESE 10 |
 kJ | 435 | 375 | 367 | 314 | 302 | 295 | 254 | 254 | 254 | 246 | 203 | 198 | 203 | 207 | 216 | 262 | 273 | 271 | 225 | 183 | 175 | 108 | 81 | 43 |
Swell 2 Height (m) Direction Period (s) | S 8 | S 8 | SE 8 | SSE 8 | SSE 8 | SSE 7 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | S 7 | S 7 | ESE 10 | ESE 10 | S 6 |
| kJ | 1 | 1 | 3 | 6 | 6 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 43 | 43 | 1 |
Swell 3 Height (m) Direction Period (s) | — | S 10 | S 10 | S 10 | — | — | — | — | SSE 8 | SSE 8 | W 3 | — | — | — | — | — | — | SSE 7 | — | S 7 | — | S 7 | S 7 | E 16 |
| kJ | — | 2 | 2 | 2 | — | — | — | — | 6 | 6 | 1 | — | — | — | — | — | — | 5 | — | 4 | — | 4 | 1 | 5 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | W 3 | — | — | NNE 2 | NE 2 | ENE 3 | — | — | — | — | NE 3 | NE 3 | ENE 5 | ENE 5 | E 5 | E 6 | E 9 |
| kJ | — | — | — | — | — | — | — | 1 | — | — | 1 | 1 | 3 | — | — | — | — | 2 | 9 | 47 | 66 | 70 | 95 | 365 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 12 | 12 | 12 | 356 | 44 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 342 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Kyu Shu | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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