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Nagata surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 8 am Monday 18 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
22.0° C
(Which is 1.3°C colder than average for this time of year)How big are the waves at Nagata today?
The current surf forecast for Nagata at 3PM is: 0.9m 9s primary swell from a East direction and 0.1m 10s secondary swell from a Southeast direction (forecast issued at 08:00am May 18). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 3ft (0.9m) | 8s |
| Afternoon (18 May) | 3ft (0.9m) | 9s |
| Evening (18 May) | 2.5ft (0.8m) | 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 6mm), mostly falling on Tue night. Warm (max 26°C on Wed afternoon, min 19°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
E 8 | E 8 | ESE 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ESE 8 | ESE 8 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | SE 8 | SE 8 | SE 8 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | |
113 | 116 | 126 | 127 | 101 | 101 | 99 | 110 | 262 | 302 | 255 | 286 | 273 | 272 | 313 | 392 | 304 | 166 | 334 | 248 | 240 | 312 | 240 | 201 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | off | off | off | off | off | off | off | cross-off | cross-off | cross | cross-on | glassy | cross-on | on | |
High Tide | 6:25AM1.93m | 7:55PM1.85m | 6:59AM1.91m | 8:37PM1.80m | 7:34AM1.86m | 9:21PM1.73m | ||||||||||||||||||
Low Tide | 1:11PM-0.03m | 1:23AM0.88m | 1:49PM0.00m | 2:00AM0.94m | 2:29PM0.09m | 2:42AM1.00m | ||||||||||||||||||
 | | | | |  | | | | |  |  |  |  | |  |  | | | | |  | | | |
 | 5:16 | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:15 |
 | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:06 | — | — | — | — | — | — | — | 7:06 | — | — | 7:07 |
— | — | — | — | — | — | — | — | — | — | 1 | — | 1 | 1 | 1 | 2 | — | — | — | — | — | — | — | — | |
Temp °C | 18 | 23 | 24 | 24 | 23 | 20 | 20 | 19 | 19 | 23 | 21 | 21 | 20 | 21 | 21 | 21 | 21 | 23 | 25 | 26 | 24 | 23 | 22 | 22 |
19 | 23 | 23 | 22 | 23 | 20 | 21 | 19 | 18 | 22 | 20 | 20 | 19 | 22 | 23 | 23 | 22 | 25 | 27 | 28 | 26 | 27 | 25 | 25 | |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | ESE 9 | E 9 | E 9 | E 9 | E 9 | E 9 | SE 11 | SE 11 | SE 11 | ESE 11 | ESE 10 | ESE 7 | SE 8 | SE 8 | SE 8 | ESE 7 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 |
 kJ | 113 | 116 | 126 | 127 | 101 | 101 | 99 | 110 | 30 | 29 | 29 | 64 | 56 | 272 | 313 | 392 | 304 | 121 | 334 | 248 | 240 | 312 | 240 | 201 |
Swell 2 Height (m) Direction Period (s) | SE 12 | SE 10 | ESE 10 | SE 10 | SE 10 | SE 11 | SE 10 | SE 11 | — | — | — | SE 11 | E 9 | ESE 9 | E 9 | ESE 10 | ESE 10 | SSE 8 | S 8 | SSE 8 | SE 7 | SSE 8 | SSE 7 | SSE 7 |
| kJ | 35 | 17 | 10 | 4 | 17 | 19 | 28 | 20 | — | — | — | 31 | 38 | 115 | 83 | 71 | 136 | 144 | 131 | 96 | 69 | 75 | 101 | 74 |
Swell 3 Height (m) Direction Period (s) | ESE 10 | SE 12 | SE 12 | SE 12 | — | — | — | — | — | — | — | ESE 9 | ESE 11 | SSE 9 | SE 11 | — | ESE 10 | ESE 10 | SE 8 | ESE 7 | SSE 8 | NE 4 | NE 4 | NNE 4 |
| kJ | 10 | 6 | 6 | 6 | — | — | — | — | — | — | — | 17 | 12 | 17 | 30 | — | 109 | 166 | 14 | 82 | 99 | 5 | 3 | 2 |
Wind waves Height (m) Direction Period (s) | — | — | — | ESE 3 | ESE 4 | ESE 4 | ESE 5 | ESE 5 | ESE 8 | ESE 8 | ESE 7 | ESE 7 | ESE 7 | — | — | — | — | NNE 4 | — | NNE 4 | — | — | — | — |
| kJ | — | — | — | 3 | 10 | 18 | 33 | 51 | 262 | 302 | 255 | 286 | 273 | — | — | — | — | 10 | — | 15 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 375 | 0 | 0 | 0 | 0 | 87 | 124 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 98 | 87 | 0 | 12 | 12 |
Best forecast wave conditions in Kyu Shu | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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