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Surf Forecasts:
Nagata surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 8 pm Friday 17 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
19.8° C
(Which is 1.8°C colder than average for this time of year)How big are the waves at Nagata today?
The current surf forecast for Nagata at 3AM is: 2.3m 16s primary swell from a Southeast direction and 2.1m 10s secondary swell from a East direction (forecast issued at 08:00pm April 17). The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Apr) | 7.5ft (2.3m) | 16s |
| Afternoon (18 Apr) | 8ft (2.4m) | 15s |
| Evening (18 Apr) | 7ft (2.2m) | 14s |
Table - waves today at Nagata. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Fri 17 | Saturday 18 | Sunday 19 | Monday 20 | |||||||||||||||||||||
| 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 | 6 AM | 9 AM | 12 PM | 3 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |   |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1289 | 1738 | 2299 | 2578 | 2545 | 2513 | 2352 | 2523 | 2117 | 2032 | 1761 | 1621 | 1495 | 1653 | 1442 | 1921 | 1770 | 1858 | 2017 | 1805 | 1778 | 1752 | 1534 | 1401 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 6:46PM 1.90 | 6:28AM 1.90 | 7:23PM 1.88 | 6:55AM 1.90 | 8:00PM 1.82 | 7:23AM 1.87 | ||||||||||||||||||
Low Tide / height (m) | 12:37AM 0.48 | 12:55PM -0.02 | 1:08AM 0.56 | 1:28PM -0.04 | 1:38AM 0.67 | 2:03PM -0.01 | ||||||||||||||||||
Fri 17 | Saturday 18 | Sunday 19 | Monday 20 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 5:43 | - | - | - | - | - | - | - | 5:43 | - | - | - | - | - | - | - | 5:41 | - | - | - |
| Sunset | 6:44 | - | - | - | - | - | - | - | 6:45 | - | - | - | - | - | - | - | 6:45 | - | - | - | - | - | - | - |
 |  | | |  | | | | |  | | |  | | | |  | | |  |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | 1 | 2 | 1 | 2 | 2 | 2 | 3 | 1 | - | - | - | - | 1 | 1 | - |
| Temp. °C | 19 | 19 | 19 | 19 | 18 | 20 | 21 | 20 | 19 | 18 | 16 | 17 | 17 | 18 | 19 | 18 | 19 | 19 | 19 | 18 | 18 | 20 | 21 | 22 |
| Feels °C (?) | 16 | 16 | 17 | 17 | 17 | 18 | 19 | 19 | 18 | 17 | 15 | 16 | 16 | 16 | 18 | 17 | 18 | 18 | 18 | 18 | 17 | 18 | 19 | 21 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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