Nagahama surfForecast / Kanagawa / Japan

information circle48hr Weather and Surf, issued 2 pm 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
16.5° C
(Which is 1.0°C colder than average for this time of year)


How big are the waves at Nagahama today?

The current surf forecast for Nagahama at 6PM is: 0.2m 9s primary swell from a South-southwest direction and 0.2m 5s secondary swell from a South-southwest direction (forecast issued at 02:00pm January 12). The wind direction is predicted to be cross-shore.

Time (JST) & DateWave HeightWave Period
Morning (12 Jan)--
Afternoon (12 Jan)1ft (0.3m)9s
Evening (12 Jan)5ft (1.6m)8s

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

Updates in  hr  min  s Forecast update imminent
Monday
12
Tuesday
13
Wednesday
14
Thursday
15
12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
1
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.4
SW
0.3
SW
0.2
SSW
1.6
SW
0.7
SSW
1
SW
1.3
SW
1.8
SW
2.1
SW
2.1
SW
2.4
SW
2.3
SW
1.9
SW
3
SW
2.2
SW
0.9
SW
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.3
SW
0.2
SSW
0.2
SSW
0.1
SE
Period(s) (?)1099876666678899101099999510
Wave
Graph
(?)Metric surfscale
Energy kJ (?)24148284417113623635236352657442912148361372322222213844
Wind
(km/h)
10
SW
10
S
5
SSE
10
SW
30
WSW
25
WSW
50
WSW
55
SW
60
WSW
60
WSW
70
WSW
65
WSW
50
WSW
25
W
10
ENE
15
E
10
ESE
10
E
10
ESE
5
ENE
20
NNE
20
NNE
15
NNE
0
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on
crossoncross-
on
cross-
on
onononononcross-
on
cross-
on
cross-
on
glasscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
glass
High Tide
/ height (m)
10:19AM
1.25
12:43AM
0.99
11:10AM
1.24
2:48AM
1.07
12:14PM
1.25
3:55AM
1.18
Low Tide
/ height (m)
5:44PM
0.49
4:54AM
0.88
7:04PM
0.38
6:38AM
0.98
8:11PM
0.26
8:17AM
1.01
Monday
12
Tuesday
13
Wednesday
14
Thursday
15
Sunrise-------6:50-------6:50-------6:48
Sunset-4:47-------4:49-------4:50------
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
cloud
Rain (mm)
------------------------
Temp. °C667888101113131211988788998777
Feels °C (?)113400-2-200-3-4-304134552024
  • 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

Latest Updates

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.


Nearest locationNearest
Nearest locationNearest
Nearest locationNearest