Nagahama Surf Break

Lat Long: 35.19° N 139.61° E

Nagahama 48 hour detailed Surf Forecast

Issued: 8 am 26 Aug 2026 (local time)

Forecast update in  hr  min

Today's Nagahama sea temperature is
27.4°C
0.5° 

Nagahama surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Nagahama today (26 Aug):

  • Morning surf: Morning surf (26 Aug, local time) - 2.5ft (0.8m), 12s period with SSW swell.
  • Afternoon surf: Afternoon surf (26 Aug, local time) - 2.5ft (0.7m), 12s period with SSW swell.
  • Evening surf: Evening surf (26 Aug, local time) - 2ft (0.6m), 11s period with SSW swell.

The current surf forecast for Nagahama at 12PM is: 0.8m 11s primary swell from a South-southwest direction and 0.5m 9s secondary swell from a South-southeast direction, 0.5m 3s secondary swell from a South-southwest direction (forecast issued at 08:00am August 26). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (26 Aug)2.5ft (0.8m)12s
Afternoon (26 Aug)2.5ft (0.7m)12s
Evening (26 Aug)2ft (0.6m)11s

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


Short Range Forecast

Moderate rain (total 11mm), heaviest on Thu morning. Warm (max 29°C on Wed afternoon, min 24°C on Thu afternoon). Wind will be generally light.

Wednesday
26
Thursday
27
Friday
28
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1
S
12
0.8
SSW
12
0.8
SSW
11
0.7
SSW
12
0.7
SSW
11
0.6
SSW
11
0.5
SSW
11
0.5
SSE
9
0.4
SSW
10
0.8
SSW
6
0.8
SSW
6
0.5
S
11
0.5
S
10
0.5
S
10
0.5
S
10
0.6
S
9
0.5
S
9
0.5
S
9
0.5
S
9
0.8
SSW
6
0.9
SW
6
0.5
S
8
Wave Graph
Metric surfscale
Energy kJ
280
183
167
137
130
95
68
46
40
34
37
55
49
47
45
63
41
40
39
50
61
33
Wind (km/h)
15
WSW
10
SW
30
SSW
30
SW
30
SW
30
SSW
25
SW
25
SW
20
SW
20
SW
20
N
30
NNE
15
NE
15
SW
20
SSW
20
SW
5
WNW
25
SSW
20
WSW
15
W
10
WSW
10
W
Wind State
on
on
cross-on
on
on
on
on
on
on
on
cross-off
off
off
on
on
on
glassy
on
on
cross-on
on
cross-on
High Tide
3:03AM1.45m
4:55PM1.51m
3:51AM1.55m
5:15PM1.54m
4:33AM1.61m
5:36PM1.56m
Low Tide
10:02AM0.23m
10:22PM0.87m
10:37AM0.20m
10:50PM0.74m
11:09AM0.22m
clear
clear
clear
clear
clear
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
cloud
cloud
cloud
light rain
cloud
thunderstorm
thunderstorm
cloud
cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:07
5:09
5:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:16
6:15
6:15
 mm
1
1
2
3
1
1
1
Temp °C
27
27
28
29
29
28
28
27
27
27
27
25
24
24
25
26
24
25
26
26
27
27
Feels °C
30
31
30
30
30
29
29
29
29
29
28
23
25
25
25
28
28
25
28
28
30
30
  • 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
How to use the Wavefinder 

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