Nichinan surfForecast / Kyu Shu / Japan

information circle48hr Weather and Surf, issued 2 am Friday 17 Apr 2026 JST
Forecast update in hr  min  s Forecast update imminent
Nichinan surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Nichinan sea temperature is
20.3° C
(Which is 1.0°C colder than average for this time of year)

How big are the waves at Nichinan today?

The current surf forecast for Nichinan at 6AM is: 1.8m 15s primary swell from a Southeast direction and 0.2m 14s secondary swell from a East-northeast direction, 1.5m 8s secondary swell from a East direction (forecast issued at 02:00am April 17). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (17 Apr)6ft (1.8m)15s
Afternoon (17 Apr)5.5ft (1.7m)14s
Evening (17 Apr)6ft (1.9m)16s

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


Updates in  hr  min  s Forecast update imminent
Friday
17
Saturday
18
Sunday
19
0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM
Rating
(10 max)
2
1
0
0
0
0
0
1
2
3
3
2
1
1
3
3
4
4
3
2
2
2
2
3
Swell
Height Map
Wave Height (m) & direction (?)
1.9
SE
1.9
SE
1.8
SE
1.8
SE
1.8
SE
1.7
SE
2.5
ESE
1.9
SE
2.2
SE
2.2
SE
2.3
SE
2.3
SE
2.3
SE
2.2
SE
2.3
SE
2.3
SE
2.2
SE
2.1
SE
2
ESE
2.1
ESE
2
ESE
2.2
ESE
2.2
ESE
2.2
ESE
Period(s) (?)151515151514141616161616161515151414141414141414
Wave
Graph
(?)Metric surfscale
Energy kJ (?)156315851441146014211179292717612465243425782687248122552264217320041712159816991495187519021929
Wind
(km/h)
15
ENE
15
ESE
20
ESE
25
ESE
25
ESE
25
ESE
20
ESE
20
ESE
20
ESE
15
SE
15
ESE
15
ESE
15
E
15
E
10
ENE
10
NE
15
NE
15
NNE
15
NE
20
NE
25
NE
20
NE
15
NE
15
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
onononcross-
on
cross-
on
ononononcross-
on
cross-
on
cross-
on
cross-
on
crosscross-
off
cross-
off
cross-
off
crosscrosscrosscrosscross
High Tide
/ height (m)
5:43AM
1.89
6:25PM
1.97
6:12AM
1.94
7:10PM
1.99
6:42AM
1.96
7:56PM
1.94
Low Tide
/ height (m)
11:44PM
0.37
12:01PM
0.03
12:20AM
0.47
12:38PM
-0.10
12:56AM
0.60
1:17PM
-0.16
Friday
17
Saturday
18
Sunday
19
Sunrise--5:43-------5:43-------5:41-----
Sunset------6:43-------6:44-------6:45-
clear
clear
clear
cloud
part cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
light rain
light rain
Rain (mm)
----------------------11
Temp. °C192020202120191919191920202020191918181920202019
Feels °C (?)181717161716151617171718181820181716161717181818
  • 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 Nichinan 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.


Nearest locationNearest
Nearest locationNearest
Nearest locationNearest