Nagahama Surf Break

Lat Long: 35.19° N 139.61° E

Nagahama 48 hour detailed Surf Forecast

Issued: 8 pm 12 Jul 2026 (local time)

Forecast update in  hr  min

Today's Nagahama sea temperature is
24.5° C
0.7° 

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 (13 Jul):

  • Morning surf: Morning surf (13 Jul, local time) - 3.5ft (1.0m), 13s period with SSW swell.
  • Afternoon surf: Afternoon surf (13 Jul, local time) - 3ft (0.9m), 12s period with SSW swell.
  • Evening surf: Evening surf (13 Jul, local time) - 2.5ft (0.8m), 11s period with SSW swell.

The current surf forecast for Nagahama at 2AM is: 1.1m 14s primary swell from a South-southwest direction and 0.4m 5s secondary swell from a South-southwest direction (forecast issued at 08:00pm July 12). The wind direction is predicted to be glassy and the swell rating is 2.

Time (JST) & DateWave HeightWave Period
Morning (13 Jul)3.5ft (1.0m)13s
Afternoon (13 Jul)3ft (0.9m)12s
Evening (13 Jul)2.5ft (0.8m)11s

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


Short Range Forecast

Mostly dry. Warm (max 26°C on Mon morning, min 25°C on Sun night). Winds increasing (calm on Mon night, fresh winds from the S by Wed afternoon).

Sun
12
Monday
13
Tuesday
14
Wednesday
15
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
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
Rating
(10 max)
0
0
0
2
1
2
0
0
0
1
1
1
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)
1.3
SSW
15
1.3
SSW
15
1.2
SSW
14
1
SSW
14
1.1
SSW
13
1
SSW
13
0.9
SSW
12
0.9
SSW
12
0.8
SSW
12
0.8
SSW
11
0.8
SSW
11
0.6
SSW
11
0.6
SSW
11
0.5
SSW
11
0.5
SSW
11
0.5
SSW
10
0.4
SSW
10
0.4
SSW
10
0.4
SSW
10
0.4
SSW
10
0.4
SSW
10
0.4
SSW
9
0.4
SW
9
0.8
S
4
Wave Graph
Metric surfscale
Energy kJ
837
656
569
379
384
302
210
206
158
145
140
95
93
66
64
59
39
39
38
38
36
34
22
18
Wind (km/h)
25
S
15
SSW
10
SSW
5
SE
5
S
5
SE
5
SSW
15
SSE
10
S
5
S
5
S
5
SSE
5
S
10
SSW
15
SSW
20
S
25
S
25
SSW
20
SSW
20
SSW
15
SSW
15
SSW
25
S
30
S
Wind State
cross-on
on
cross-on
glassy
cross-on
glassy
cross-on
cross
cross-on
glassy
glassy
glassy
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
cross-on
High Tide
4:45PM1.38m
2:34AM1.44m
5:19PM1.44m
3:24AM1.49m
5:51PM1.48m
4:09AM1.54m
Low Tide
9:32PM1.07m
10:01AM0.11m
10:16PM1.03m
10:40AM0.05m
10:55PM0.98m
11:18AM0.03m
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
clear
part cloud
clear
part cloud
clear
clear
clear
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:35
4:37
4:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:58
6:57
6:57
6:55
 mm
Temp °C
25
25
25
25
25
26
26
26
26
26
26
26
26
26
26
26
26
26
26
25
25
25
26
26
Feels °C
26
27
28
29
29
30
29
28
29
29
29
29
29
28
27
27
26
27
28
27
27
27
27
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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