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Surf Forecasts:

Nagahama surfForecast / Kanagawa / Japan

information circle48hr Weather and Surf, issued 2 am Sunday 18 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
15.4° C
 (Which is 2.0°C colder than average for this time of year)

How big are the waves at Nagahama today?

The current surf forecast for Nagahama at 5AM is: 0.1m 7s primary swell from a Southwest direction (forecast issued at 02:00am January 18). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (JST) & DateWave HeightWave Period
Morning (18 Jan)--
Afternoon (18 Jan)0.5ft (0.1m)7s
Evening (18 Jan)0.5ft (0.1m)7s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Sunday
18
Monday
19
Tuesday
20
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
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.5
SSW
0.2
SSW
0.1
SW
0.1
E
0.1
S
0.1
S
0.1
S
0.1
S
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.5
SW
1.6
SW
1
SW
1.6
SW
0.6
SW
0.4
SW
0.2
SSW
0.2
SSW
0.1
SE
Period(s) (?)65711778756667774566666610
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1922011111222222814864171288334
Wind
(km/h)
30
NNE
30
NNE
25
NNE
30
NNE
20
NNE
15
ENE
20
ENE
20
ENE
25
NE
30
NNE
25
NNE
20
NNE
10
N
5
SSE
0
SSE
25
SW
40
WSW
35
WSW
30
NNE
35
NE
30
NNE
25
NE
35
NNE
35
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		offoffcross-
off		offoffcross-
off		offoffoffcross-
off		cross-
off		cross-
off		glassonononcross-
on		cross-
off		offoffoffcross-
off		off
High Tide
/ height (m)
5:41AM
1.38
4:00PM
1.42
6:09AM
1.40
4:44PM
1.45
6:36AM
1.40
5:26PM
1.46
Low Tide
/ height (m)
10:30PM
-0.04
10:47AM
0.88
11:08PM
-0.07
11:22AM
0.81
11:44PM
-0.06
11:55AM
0.74
Sunday
18
Monday
19
Tuesday
20
Sunrise---6:48-------6:48-------6:48----
Sunset-----4:53-------4:54-------4:55--
clear
clear
clear
part cloud
cloud
cloud
cloud
light rain
light rain
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
clear
cloud
part cloud
cloud
cloud
cloud
cloud
Rain (mm)
-------12---------------
Temp. °C1010879101010888889111314131086854
Feels °C (?)231-13555212347107553-1-30-5-6
  • 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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