Nagata surfForecast / Kyu Shu / Japan

information circle48hr Weather and Surf, issued 8 am Monday 20 Apr 2026 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
20.1° C
(Which is 1.5°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: 2.1m 13s primary swell from a East-southeast direction and 0.4m 5s secondary swell from a West-southwest direction (forecast issued at 08:00am April 20). An open ocean swell of 0.3m 11s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 4.

Time (JST) & DateWave HeightWave Period
Morning (20 Apr)7ft (2.2m)13s
Afternoon (20 Apr)6ft (1.9m)13s
Evening (20 Apr)6ft (1.8m)13s

Table - waves today at Nagata. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent
Monday
20
Tuesday
21
Wednesday
22
Thu
23
6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM
Rating
(10 max)
4
4
4
3
4
3
2
2
2
3
3
2
2
2
2
2
2
2
2
2
2
2
2
1
Swell
Height Map
Wave Height (m) & direction (?)
2.2
ESE
2.2
ESE
2.1
ESE
1.9
ESE
1.8
ESE
1.8
ESE
1.6
ESE
1.6
ESE
1.5
E
1.5
E
1.4
ESE
1.1
E
1.2
E
1.2
E
1.2
E
1.3
E
1.4
E
1.3
E
1.2
E
1.2
E
1.1
E
1.1
E
1
E
1.4
E
Period(s) (?)131313131313121212121212111111111110101010101010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)176016431430121110411009794692661650560336364344338387434354294294242242200400
Wind
(km/h)
10
NNE
15
NE
10
N
10
SSW
5
W
10
WNW
10
WNW
15
WNW
15
NW
5
N
20
NE
25
NE
15
NE
10
NE
10
NNE
10
N
10
NE
10
NE
10
ESE
15
ESE
10
E
15
E
20
ENE
15
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffcross-
off
cross-
on
glasscrosscrosscrosscrosscross-
off
offoffoffoffcross-
off
cross-
off
offoffcross-
off
cross-
off
cross-
off
cross-
off
offcross-
off
High Tide
/ height (m)
7:23AM
1.87
8:40PM
1.73
7:52AM
1.81
9:25PM
1.62
8:24AM
1.72
10:20PM
1.50
Low Tide
/ height (m)
2:03PM
-0.01
2:10AM
0.78
2:41PM
0.07
2:44AM
0.90
3:24PM
0.19
Monday
20
Tuesday
21
Wednesday
22
Thu
23
Sunrise5:41-------5:41-------5:39-------
Sunset----6:45-------6:46-------6:46---
heavy rain
rain showers
rain showers
part cloud
part cloud
clear
part cloud
part cloud
part cloud
cloud
cloud
part cloud
cloud
part cloud
cloud
part cloud
cloud
part cloud
part cloud
part cloud
cloud
light rain
mod rain
heavy rain
Rain (mm)
3251------------------3713
Temp. °C171920212018171716182020181716161619212118171717
Feels °C (?)171921212218171615181714141413141418191918161516
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

FREE! Surf-Forecast.com widget for your website

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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