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Surf Forecasts:

Nagahama surfForecast / Kanagawa / Japan

information circle48hr Weather and Surf, issued 8 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 1AM is: 0.8m 7s primary swell from a South-southwest direction and 0.3m 9s secondary swell from a South-southwest direction, 0.4m 6s secondary swell from a West-southwest direction (forecast issued at 08:00pm January 12). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (13 Jan)5ft (1.6m)6s
Afternoon (13 Jan)7ft (2.2m)7s
Evening (13 Jan)7ft (2.1m)8s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Mon
12
Tuesday
13
Wednesday
14
Thursday
15
6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
3
1
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.2
SSW
1.7
SW
0.8
SSW
1
SW
1.3
SW
1.6
SW
2.2
SW
2.2
SW
2.4
SW
2.1
SW
1.8
SW
2.5
SW
2.2
SW
0.9
SW
0.4
SW
0.3
SW
0.4
SW
0.4
SW
0.3
SW
0.2
SSW
0.2
SSW
0.1
SE
0.1
SE
0.4
SW
Period(s) (?)98766667788991099999951094
Wave
Graph
(?)Metric surfscale
Energy kJ (?)832856681362003904115265323691098818134231321211384436
Wind
(km/h)
5
SSE
15
SW
30
WSW
25
WSW
50
WSW
55
SW
60
WSW
60
WSW
65
WSW
60
WSW
50
WSW
25
W
10
NE
15
E
10
SE
5
SE
10
SSE
5
ESE
15
NNE
20
NNE
10
NNE
0
S
15
SSW
25
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		oncross-
on		cross-
on		onononononcross-
on		cross-
on		cross-
on		cross-
off		cross-
off		crosscrosscrosscross-
off		cross-
off		cross-
off		offglassonon
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)
5:44PM
0.49
4:54AM
0.88
7:04PM
0.38
6:38AM
0.98
8:11PM
0.26
8:17AM
1.01
Mon
12
Tuesday
13
Wednesday
14
Thursday
15
Sunrise-----6:50-------6:50-------6:48--
Sunset-------4:49-------4:50-------4:51
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
cloud
cloud
cloud
Rain (mm)
------------------------
Temp. °C89881011121312119988899109877910
Feels °C (?)4400-2-2-20-3-3-22333556422443
  • 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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