Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Nagata surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 8 am Monday 05 Jan 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
20.1° C
(Which is slightly cooler than normal)How big are the waves at Nagata today?
The current surf forecast for Nagata at 12PM is: 0.8m 4s primary swell from a West-southwest direction and 0.2m 9s secondary swell from a East-southeast direction, 0.1m 10s secondary swell from a East direction (forecast issued at 08:00am January 05). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 Jan) | 0.5ft (0.2m) | 9s |
| Afternoon (05 Jan) | 2.5ft (0.8m) | 4s |
| Evening (05 Jan) | 0.5ft (0.2m) | 10s |
Table - waves today at Nagata. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 05 | Tuesday 06 | Wednesday 07 | Thu 08 | |||||||||||||||||||||
| 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 4 | 4 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 6 | 9 | 10 | 10 | 10 | 3 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 8 | 8 | 18 | 17 | 9 | 9 | 9 | 9 | 9 | 7 | 7 | 2 | 2 | 2 | 2 | 7 | 3 | 4 | 4 | 4 | 6 | 9 | 9 | 9 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- on | cross- on | cross | cross | cross | cross | cross | cross- off | cross- off | glass | glass | glass | glass | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide / height (m) | 7:54AM 1.79 | 7:00PM 1.82 | 8:26AM 1.79 | 7:42PM 1.80 | 8:58AM 1.78 | 8:24PM 1.74 | ||||||||||||||||||
Low Tide / height (m) | 1:25PM 0.79 | 1:45AM -0.06 | 2:03PM 0.73 | 2:21AM 0.01 | 2:42PM 0.68 | 2:57AM 0.13 | ||||||||||||||||||
Monday 05 | Tuesday 06 | Wednesday 07 | Thu 08 | |||||||||||||||||||||
| Sunrise | - | 7:13 | - | - | - | - | - | - | - | 7:13 | - | - | - | - | - | - | - | 7:13 | - | - | - | - | - | - |
| Sunset | - | - | - | 5:24 | - | - | - | - | - | - | - | 5:25 | - | - | - | - | - | - | - | 5:27 | - | - | - | - |
 |  |  | |  |  | | | |  | | | | | | | |  | | | | | | | |
Rain (mm) | - | 1 | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 11 | 12 | 12 | 11 | 9 | 8 | 7 | 6 | 5 | 6 | 10 | 11 | 9 | 9 | 9 | 8 | 8 | 8 | 12 | 13 | 10 | 9 | 9 | 9 |
| Feels °C (?) | 8 | 8 | 8 | 6 | 4 | 4 | 2 | 1 | 0 | 2 | 8 | 8 | 7 | 7 | 6 | 4 | 3 | 3 | 7 | 6 | 5 | 5 | 5 | 3 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Nagata surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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