Nagai Point Surf Break

Lat Long: 35.19° N 139.60° E

Nagai Point 48 hour detailed Surf Forecast

Issued: 2 am 11 Aug 2026 (local time)

Forecast update in  hr  min

Today's Nagai Point sea temperature is
27.4° C
0.6° 

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):

  • Morning surf: Morning surf (11 Aug, local time) - 1.5ft (0.5m), 10s period with SSW swell.
  • Afternoon surf: Afternoon surf (11 Aug, local time) - 2.5ft (0.8m), 11s period with SSW swell.
  • Evening surf: Evening surf (11 Aug, local time) - 3.5ft (1.1m), 5s period with SSW swell.

The current surf forecast for Nagai Point at 9AM is: 0.5m 10s primary swell from a South-southwest direction (forecast issued at 02:00am August 11). An open ocean swell of 0.2m 11s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (11 Aug)1.5ft (0.5m)10s
Afternoon (11 Aug)2.5ft (0.8m)11s
Evening (11 Aug)3.5ft (1.1m)5s

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


Short Range Forecast

Heavy rain (total 41mm), heaviest during Tue night. Warm (max 28°C on Thu afternoon, min 21°C on Tue night). Winds decreasing (strong winds from the SW on Tue afternoon, light winds from the N by Wed morning).

Tuesday
11
Wednesday
12
Thursday
13
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)
0.5
SSW
10
0.5
SSW
10
0.5
SSW
10
0.5
SSW
10
0.5
SSW
11
0.8
SSW
11
0.5
SSW
10
1.1
SSW
5
0.5
SSW
10
1.1
S
5
0.5
SSW
10
0.5
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
0.5
S
10
0.4
SSW
10
0.4
SSW
10
0.4
SSW
9
0.4
SSW
9
Wave Graph
Metric surfscale
Energy kJ
59
58
58
62
64
143
62
56
58
65
58
58
59
59
40
40
39
38
38
50
38
31
29
29
Wind (km/h)
25
NE
20
NNE
15
NNE
10
W
25
SW
45
SW
30
SW
40
S
35
SSE
30
ESE
15
ENE
5
N
10
NE
20
NNW
25
NNE
25
N
25
N
30
NNE
25
NNE
25
NNE
15
NE
10
ENE
10
E
15
E
Wind State
off
off
off
cross-on
on
on
on
cross-on
cross
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
High Tide
2:33AM1.42m
5:02PM1.48m
3:27AM1.50m
5:25PM1.52m
4:13AM1.57m
5:47PM1.54m
Low Tide
9:39PM1.09m
9:51AM0.20m
10:14PM0.99m
10:29AM0.15m
10:45PM0.89m
11:04AM0.14m
part cloud
part cloud
part cloud
cloud
cloud
thunderstorm
light rain
mod rain
light rain
light rain
light rain
mod rain
light rain
cloud
part cloud
part cloud
rain showers
light rain
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:56
4:58
4:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:35
6:34
6:32
 mm
2
4
10
3
2
2
7
1
1
1
1
1
1
1
2
Temp °C
23
24
24
25
25
25
25
23
23
22
21
22
23
23
24
24
24
23
23
24
27
27
28
26
Feels °C
21
23
24
26
24
21
23
19
21
20
21
24
24
23
22
23
22
21
22
23
28
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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