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Surf Forecasts:

Nagahama surfForecast / Kanagawa / Japan

information circle48hr Weather and Surf, issued 2 am Monday 12 Jan 2026 JST
Forecast update in hr  min  s Forecast update imminent
Nagahama surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Nagahama sea temperature is
16.4° C
 (Which is 1.2°C colder than average for this time of year)

How big are the waves at Nagahama today?

The current surf forecast for Nagahama at 5AM is: 0.9m 6s primary swell from a Southwest direction and 0.6m 6s secondary swell from a Southwest direction, 0.4m 11s secondary swell from a Southwest direction (forecast issued at 02:00am January 12). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (12 Jan)1.5ft (0.4m)10s
Afternoon (12 Jan)0.5ft (0.2m)9s
Evening (12 Jan)5ft (1.5m)8s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Monday
12
Tuesday
13
Wednesday
14
0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
1
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.3
WSW
0.5
SW
1
WSW
0.4
SW
0.4
SW
0.2
SSW
0.2
SSW
1.5
SW
0.6
SW
0.9
SW
1.3
SW
1.9
SW
2.1
SW
2.2
SW
2.2
SW
2.3
SW
1.8
SW
1.6
SW
2.1
SW
0.9
SW
0.6
SSW
0.3
SW
0.3
SW
0.3
SW
Period(s) (?)611610109986666777788999999
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1306065272488257265213628438641142353938527668812556131313
Wind
(km/h)
45
W
25
W
15
SSW
5
ESE
5
SSW
10
S
10
S
10
WSW
30
WSW
25
W
50
WSW
55
SW
60
WSW
60
WSW
65
WSW
65
WSW
55
WSW
30
W
15
NE
15
E
10
ENE
10
E
15
E
15
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		cross-
on		cross-
off		glasscross-
on		cross-
on		oncross-
on		cross-
on		ononononononcross-
on		cross-
on		cross-
off		cross-
off		offcross-
off		cross-
off		off
High Tide
/ height (m)
10:33PM
1.02
10:19AM
1.25
12:43AM
0.99
11:10AM
1.24
2:48AM
1.07
12:14PM
1.25
Low Tide
/ height (m)
3:50AM
0.74
5:44PM
0.49
4:54AM
0.88
7:04PM
0.38
6:38AM
0.98
8:11PM
0.26
Monday
12
Tuesday
13
Wednesday
14
Sunrise---6:50-------6:50-------6:50----
Sunset-----4:47-------4:49-------4:50--
clear
part cloud
clear
part cloud
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
part cloud
Rain (mm)
------------------------
Temp. °C555556787791113131212109888999
Feels °C (?)-7-3011233-10-3-200-2-3-31333444
  • 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

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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 Nagahama 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.

View detailed surf forecast for Nagahama at:
surf-forecast.com

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