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Surf Forecasts:
Nagata surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 8 am Friday 15 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
21.2° C
(Which is 1.9°C colder than average for this time of year)How big are the waves at Nagata today?
The current surf forecast for Nagata at 11AM is: 0.4m 10s primary swell from a East-southeast direction and 0.2m 7s secondary swell from a South direction (forecast issued at 08:00am May 15). An open ocean swell of 1.5m 9s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 May) | 3.5ft (1.0m) | 10s |
| Afternoon (15 May) | 2.5ft (0.8m) | 9s |
| Evening (15 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 ForecastMostly dry. Warm (max 24°C on Sun afternoon, min 18°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 15 | Saturday 16 | Sunday 17 | Mon 18 | |||||||||||||||||||||
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 10 | E 10 | ESE 10 | E 9 | E 9 | E 9 | E 9 | E 6 | E 6 | E 7 | E 8 | E 8 | E 9 | ESE 9 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 9 | ESE 9 | E 9 | E 9 | E 8 | E 8 | |
266 | 183 | 43 | 108 | 106 | 103 | 103 | 95 | 95 | 146 | 185 | 172 | 264 | 138 | 105 | 105 | 135 | 103 | 116 | 140 | 162 | 177 | 143 | 143 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | off | off | off | off | off | off | off | off | off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | glassy | cross-off | |
High Tide | 4:51AM1.85m | 5:57PM1.84m | 5:22AM1.90m | 6:37PM1.88m | 5:53AM1.93m | 7:16PM1.88m | ||||||||||||||||||
Low Tide | 11:24AM0.14m | 11:38PM0.73m | 12:00PM0.04m | 00:13AM0.77m | 12:35PM-0.02m | 00:47AM0.83m | ||||||||||||||||||
 | | | | |  | | | | | | | | | | | | | | | | | | | |
 | 5:18 | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — | — | 5:16 |
 | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:04 | — | — | 7:05 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 18 | 22 | 23 | 23 | 22 | 20 | 20 | 19 | 19 | 22 | 23 | 23 | 21 | 20 | 19 | 18 | 18 | 21 | 23 | 24 | 22 | 20 | 19 | 18 |
18 | 20 | 20 | 21 | 21 | 20 | 20 | 19 | 19 | 21 | 21 | 21 | 21 | 21 | 20 | 18 | 18 | 22 | 23 | 24 | 23 | 21 | 20 | 18 | |
Swell 1 Height (m) Direction Period (s) | E 10 | E 10 | ESE 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 7 | ESE 10 | ESE 9 | E 9 | ENE 8 | ESE 8 | ENE 9 | ESE 8 | ESE 8 | ENE 8 | ESE 9 | E 9 | E 9 | E 8 | E 8 |
 kJ | 266 | 183 | 43 | 108 | 106 | 103 | 103 | 78 | 56 | 146 | 54 | 33 | 264 | 115 | 105 | 138 | 135 | 103 | 96 | 140 | 162 | 177 | 143 | 143 |
Swell 2 Height (m) Direction Period (s) | SSE 7 | S 7 | S 7 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 11 | SE 11 | SE 11 | ESE 9 | ENE 9 | ESE 8 | ENE 9 | ENE 9 | ESE 9 | ENE 8 | SE 11 | SE 11 | SE 10 | SE 11 |
| kJ | 5 | 4 | 4 | 43 | 43 | 42 | 43 | 62 | 55 | 56 | 12 | 19 | 20 | 138 | 141 | 105 | 84 | 132 | 116 | 54 | 30 | 31 | 27 | 33 |
Swell 3 Height (m) Direction Period (s) | S 7 | S 7 | — | S 7 | S 7 | S 7 | S 6 | S 6 | S 6 | S 6 | SE 15 | SE 15 | S 6 | SE 11 | SE 12 | SE 11 | SE 11 | ESE 13 | SE 11 | SE 11 | ENE 8 | — | — | — |
| kJ | 4 | 4 | — | 4 | 3 | 1 | 1 | 1 | 1 | 1 | 9 | 8 | 1 | 20 | 21 | 20 | 30 | 17 | 5 | 18 | 14 | — | — | — |
Wind waves Height (m) Direction Period (s) | ENE 4 | ENE 4 | ENE 9 | ENE 5 | ENE 5 | E 6 | E 6 | E 6 | E 6 | — | E 8 | E 8 | E 8 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 10 | 13 | 352 | 46 | 47 | 68 | 92 | 95 | 95 | — | 185 | 172 | 205 | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 843 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 375 | 375 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Kyu Shu | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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