Nagata surfForecast / Kyu Shu / Japan

information circle12 Day Weather and Surf, issued 2 am Friday 12 Dec 2025 JST
Forecast 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
20.7° C
(Which is 1.5°C colder than average for this time of year)


Best Forecast Surf Conditions for Nagata this week:

The surf forecast for Nagata over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Dec 12) at 6AM. The primary swell is predicted to be 0.7m and 10s period with a secondary swell of 0.2m and 4s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Nagata in the next 12 days are 1.9m 9s and forecast to arrive on Saturday (Dec 13) at 9AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.1m 7s period and expected on Friday (Dec 12) at 3PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Fri 12th Dec)2.5ft (0.7m) 10s
Best Surf 3AM (Sat 13th Dec)6ft (1.9m) 8s
Most Powerful 9AM (Sat 13th Dec)6ft (1.9m) 9s

Table - best surf conditions forecast for Nagata over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Moderate rain (total 19mm), heaviest on Sat night. Very mild (max 16°C on Sat night, min 8°C on Sun night). Mainly fresh winds.

Days 3-6 Weather Summary Light rain (total 2mm), mostly falling on Wed afternoon. Very mild (max 18°C on Wed morning, min 8°C on Mon night). Wind will be generally light.

Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
2
1
1
0
0
0
1
0
0
0
0
0
0
0
1
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.6
E
0.5
E
0.3
E
1.9
E
1.8
E
1.7
ESE
1.1
ESE
0.9
E
0.7
E
0.8
E
0.7
E
0.7
ESE
0.7
ESE
0.6
ESE
0.6
ESE
0.6
ESE
0.6
ESE
0.6
E
0.6
E
0.5
E
0.6
ESE
Period(s) (?)101011976811111010101010101099999
Wave
Graph
(?)Metric surfscale
Energy kJ (?)7150215422892531281891081271001041007474716863614265
Wind
(km/h)
15
NE
30
NE
20
NE
20
ENE
20
E
10
WNW
30
NW
30
NW
20
NW
10
NNW
15
NW
10
NW
10
NW
10
W
5
WNW
10
WSW
10
WSW
10
NNW
20
NE
20
NE
15
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffoffcross-
off
cross-
off
cross-
on
crosscrosscrosscross-
off
crosscrosscrosscross-
on
crosscross-
on
cross-
on
cross-
off
offoffoff
High Tide
/ height (m)
11:47AM
1.61
11:34PM
1.41
12:40PM
1.60
1:09AM
1.37
1:33PM
1.61
2:39AM
1.41
2:24PM
1.64
3:53AM
1.50
3:12PM
1.68
4:51AM
1.60
3:56PM
1.73
5:41AM
1.68
4:38PM
1.78
Low Tide
/ height (m)
5:56PM
0.87
5:55AM
0.65
7:11PM
0.76
7:04AM
0.77
8:19PM
0.62
8:15AM
0.85
9:17PM
0.45
9:19AM
0.90
10:07PM
0.29
10:15AM
0.92
10:52PM
0.15
11:04AM
0.93
11:33PM
0.03
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Sunrise7:03--7:03--7:05--7:05--7:05--7:07--7:07--
Sunset-5:12--5:12--5:13--5:13--5:13--5:14--5:14-
clear
clear
part cloud
cloud
light rain
rain showers
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
rain showers
part cloud
clear
clear
part cloud
Rain (mm)
----316----------2----
Temp. °C14131215151611139121310131512181714151513
Feels °C (?)879121116564886111210141612111110
  • 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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Information about the Nagata Surf forecast

The above surf forecast table for Nagata provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Nagata can be found by selecting the local surf guide option on the grey menu. Our Nagata surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Nagata) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Nagata may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Nagata is 6 km (4 miles) from Kushima. If you plan a holiday in Kyu Shu, look for hotels and other accommodation in Kushima. Kushima has rooms for a wide range of budgets as well as car hire and transport links.

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