Nagahama Surf Break

Lat Long: 35.19° N 139.61° E

Nagahama 48 hour detailed Surf Forecast

Issued: 2 am 12 Sep 2026 (local time)

Forecast update in  hr  min

Today's Nagahama sea temperature is
27.3°C
1.1° 

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 (12 Sep):

  • Morning surf: Morning surf (12 Sep, local time) - 1.5ft (0.4m), 7s period with SSW swell.
  • Afternoon surf: Afternoon surf (12 Sep, local time) - 1.5ft (0.4m), 7s period with SSW swell.
  • Evening surf: Evening surf (12 Sep, local time) - 1ft (0.3m), 7s period with SSW swell.

The current surf forecast for Nagahama at 6AM is: 0.4m 8s primary swell from a South-southwest direction and 0.1m 10s secondary swell from a Southeast direction (forecast issued at 02:00am September 12). 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 (12 Sep)1.5ft (0.4m)7s
Afternoon (12 Sep)1.5ft (0.4m)7s
Evening (12 Sep)1ft (0.3m)7s

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


Short Range Forecast

Light rain (total 6mm), mostly falling on Sat morning. Warm (max 26°C on Mon morning, min 20°C on Sat morning). Winds increasing (calm on Sun morning, fresh winds from the SSW by Mon afternoon).

Saturday
12
Sunday
13
Monday
14
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
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
0
0
0
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
Height Map
Wave
Height (m)
Direction
Period (s)
0.4
SSW
8
0.4
SSW
8
0.4
SSW
8
0.4
SSW
7
0.4
SSW
7
0.4
SSW
7
0.4
SSW
7
0.3
SSW
7
0.3
SSW
7
0.3
SSW
7
0.3
SSW
7
0.2
SSW
7
0.3
SE
9
0.4
SSW
7
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
7
0.4
SSE
7
0.4
SE
7
0.3
SE
9
0.9
S
4
0.9
SSW
4
0.7
SSW
4
Wave Graph
Metric surfscale
Energy kJ
19
19
19
18
18
18
17
9
9
9
9
5
12
15
18
16
15
14
16
11
12
28
31
18
Wind (km/h)
15
NNE
20
NNE
20
NNE
20
NNE
20
NNE
20
NNE
20
NNE
15
NNE
15
NNE
10
NNE
15
NNE
10
NNE
0
SSW
15
S
20
S
20
S
15
SSW
15
SW
15
SSW
20
SSW
30
S
35
SSW
30
SSW
25
SSW
Wind State
off
off
off
off
cross-off
off
off
cross-off
off
off
off
off
glassy
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
cross-on
cross-on
on
on
High Tide
4:50AM1.64m
5:23PM1.58m
5:28AM1.66m
5:43PM1.59m
6:05AM1.63m
6:04PM1.59m
Low Tide
10:52PM0.58m
11:11AM0.34m
11:20PM0.47m
11:40AM0.42m
11:51PM0.38m
12:06PM0.52m
light rain
light rain
light rain
light rain
light rain
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:20
5:22
5:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:53
5:52
5:51
 mm
1
3
2
3
1
Temp °C
20
20
20
20
21
21
22
22
22
22
22
22
23
24
25
25
25
25
25
26
26
26
26
26
Feels °C
20
20
20
20
21
21
23
23
23
24
24
24
27
26
27
27
27
27
26
27
25
25
25
26
  • 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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