Nagai Point Surf Break

Lat Long: 35.19° N 139.60° E

Nagai Point 48 hour detailed Surf Forecast

Issued: 2 am 15 Aug 2026 (local time)

Forecast update in  hr  min

Today's Nagai Point sea temperature is
27.2° C
0.3° 

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


How big are the waves at Nagai Point today (15 Aug):

  • Morning surf: Morning surf (15 Aug, local time) - 1.5ft (0.4m), 11s period with SSW swell.
  • Afternoon surf: Afternoon surf (15 Aug, local time) - 1.5ft (0.5m), 10s period with S swell.
  • Evening surf: Evening surf (15 Aug, local time) - 1.5ft (0.4m), 10s period with SSW swell.

The current surf forecast for Nagai Point at 6AM is: 0.4m 11s primary swell from a South-southwest direction and 0.5m 5s secondary swell from a Southeast direction (forecast issued at 02:00am August 15). An open ocean swell of 0.9m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (15 Aug)1.5ft (0.4m)11s
Afternoon (15 Aug)1.5ft (0.5m)10s
Evening (15 Aug)1.5ft (0.4m)10s

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


Short Range Forecast

Light rain (total 5mm), mostly falling on Sun morning. Warm (max 28°C on Sat afternoon, min 24°C on Sat night). Wind will be generally light.

Saturday
15
Sunday
16
Monday
17
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)
0.3
SSE
10
0.3
SSW
11
0.4
SSW
11
0.4
SSW
11
0.4
SSW
11
0.5
S
10
0.4
SSW
10
0.4
SSW
10
0.4
SSW
9
0.4
SSW
9
0.4
SSW
9
0.4
SSW
9
0.4
SSW
9
0.5
S
9
0.5
S
9
0.5
S
9
0.5
S
9
0.5
S
9
0.4
S
9
0.3
SSW
9
0.4
SE
6
0.3
SSW
8
0.3
SSW
8
0.6
SE
5
Wave Graph
Metric surfscale
Energy kJ
20
25
40
40
37
52
33
32
28
27
27
27
27
39
38
37
37
37
24
15
14
14
14
18
Wind (km/h)
15
E
20
E
20
ENE
15
ENE
10
NNE
10
SSE
20
ESE
15
E
15
E
15
ENE
15
NE
15
NE
10
ENE
5
SE
15
ESE
15
E
15
E
10
E
10
ENE
10
ENE
5
NNW
5
S
10
SE
15
ESE
Wind State
cross-off
cross-off
cross-off
off
off
cross
cross-off
cross-off
cross-off
off
off
off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
glassy
cross
cross-off
High Tide
5:34AM1.63m
6:31PM1.55m
6:13AM1.61m
6:52PM1.54m
6:52AM1.54m
7:14PM1.53m
Low Tide
11:46PM0.68m
12:07PM0.24m
00:17AM0.60m
12:36PM0.34m
00:51AM0.54m
1:04PM0.47m
thunderstorm
thunderstorm
thunderstorm
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
clear
rain showers
clear
rain showers
part cloud
rain showers
rain showers
rain showers
part cloud
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:00
5:01
5:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:30
6:30
6:29
 mm
7
6
3
1
1
1
1
1
Temp °C
26
25
25
26
27
28
27
25
25
24
24
25
26
27
26
25
25
25
25
26
26
27
27
26
Feels °C
28
26
26
28
28
30
28
26
27
25
25
27
28
30
27
27
27
28
28
29
29
31
30
28
  • 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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