Nagai Point Surf Break

Lat Long: 35.19° N 139.60° E

Nagai Point 48 hour detailed Surf Forecast

Issued: 2 pm 11 Aug 2026 (local time)

Forecast update in  hr  min

Today's Nagai Point sea temperature is
27.7° C
0.8° 

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 (11 Aug):

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

The current surf forecast for Nagai Point at 7PM is: 0.5m 10s primary swell from a South-southwest direction and 0.6m 4s secondary swell from a Southwest direction (forecast issued at 02:00pm August 11). An open ocean swell of 0.1m 11s is not directed at the surf break. The wind direction is predicted to be onshore.

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

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


Short Range Forecast

Heavy rain (total 71mm), heaviest during Tue night. Warm (max 28°C on Thu afternoon, min 23°C on Tue night). Winds decreasing (strong winds from the S on Tue night, light winds from the E by Thu afternoon).

Tue
11
Wednesday
12
Thursday
13
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
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)
0.5
SSW
11
0.5
SSW
11
0.5
SSW
10
0.5
SSW
10
1.3
SSW
6
0.5
SSW
10
0.5
SSW
10
0.7
SSW
10
0.5
SSW
10
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
10
0.4
SSW
10
0.5
S
10
0.5
S
9
0.4
SSW
9
Wave Graph
Metric surfscale
Energy kJ
64
64
62
59
93
58
58
106
59
59
40
40
39
38
38
38
38
47
45
29
Wind (km/h)
20
SSW
30
SW
15
W
30
SW
45
S
35
SSE
25
ESE
20
E
20
ESE
15
E
20
NE
20
NNE
20
NNE
25
NNE
25
NNE
25
NNE
15
NE
10
NE
10
E
15
ENE
Wind State
on
on
cross-on
on
cross-on
cross-on
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross-off
off
off
off
cross-off
off
High Tide
5:02PM1.48m
3:27AM1.50m
5:25PM1.52m
4:13AM1.57m
5:47PM1.54m
Low Tide
9:51AM0.20m
10:14PM0.99m
10:29AM0.15m
10:45PM0.89m
11:04AM0.14m
cloud
part cloud
light rain
light rain
thunderstorm
mod rain
light rain
light rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
thunderstorm
clear
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:58
4:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:35
6:34
6:32
 mm
3
5
18
9
2
3
5
7
4
4
1
1
2
3
Temp °C
26
26
25
25
24
23
24
24
26
26
25
24
24
24
24
25
26
27
28
26
Feels °C
26
25
27
23
19
20
23
24
26
27
25
24
24
23
23
25
27
29
31
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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