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Surf Forecasts:

Nagahama surfForecast / Kanagawa / Japan

information circle48hr Weather and Surf, issued 2 am Tuesday 13 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 9AM is: 1.6m 6s primary swell from a Southwest direction (forecast issued at 02:00am January 13). An open ocean swell of 0.1m 8s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (13 Jan)5ft (1.6m)6s
Afternoon (13 Jan)7ft (2.1m)7s
Evening (13 Jan)6.5ft (2.0m)8s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Tuesday
13
Wednesday
14
Thursday
15
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
3
1
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.1
SW
1.1
SW
1.5
SW
1.6
SW
2.1
SW
2.1
SW
2.3
SW
2
SW
1.6
SW
2.5
SW
2.1
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
0.1
SE
0.5
SW
1.6
SW
1.8
SW
Period(s) (?)666667788991010999995109466
Wave
Graph
(?)Metric surfscale
Energy kJ (?)91981771883633864664653131034794139232222221384439155256
Wind
(km/h)
30
WSW
30
WSW
50
WSW
55
WSW
60
WSW
60
WSW
65
WSW
55
WSW
45
WSW
15
WNW
10
E
15
E
10
E
10
ESE
10
ESE
10
ESE
10
NE
20
NNE
15
NNE
0
NE
10
S
20
SW
45
WSW
50
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		ononononononcross-
on		cross-
on		cross-
on		glasscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offoffcross-
off		glasscross-
on		ononon
High Tide
/ height (m)
12:43AM
0.99
11:10AM
1.24
2:48AM
1.07
12:14PM
1.25
3:55AM
1.18
1:21PM
1.27
Low Tide
/ height (m)
4:54AM
0.88
7:04PM
0.38
6:38AM
0.98
8:11PM
0.26
8:17AM
1.01
Tuesday
13
Wednesday
14
Thursday
15
Sunrise---6:50-------6:50-------6:48----
Sunset-----4:49-------4:50-------4:51--
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
cloud
cloud
cloud
part cloud
Rain (mm)
------------------------
Temp. °C88101112141211998889101098778101213
Feels °C (?)0-1-2-2-21-2-2-2432356642244412
  • 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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