Nagai Point Surf Break

Lat Long: 35.19° N 139.60° E

Nagai Point 48 hour detailed Surf Forecast

Issued: 2 am 10 Aug 2026 (local time)

Forecast update in  hr  min

Today's Nagai Point sea temperature is
27.2° C
0.4° 

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 (10 Aug):

  • Morning surf: Morning surf (10 Aug, local time) - 1.5ft (0.5m), 11s period with S swell.
  • Afternoon surf: Afternoon surf (10 Aug, local time) - 2ft (0.6m), 11s period with SSW swell.
  • Evening surf: Evening surf (10 Aug, local time) - 1.5ft (0.5m), 10s period with SSW swell.

The current surf forecast for Nagai Point at 8AM is: 0.5m 11s primary swell from a South direction and 0.3m 12s secondary swell from a Southwest direction (forecast issued at 02:00am August 10). The wind direction is predicted to be offshore.

Time (JST) & DateWave HeightWave Period
Morning (10 Aug)1.5ft (0.5m)11s
Afternoon (10 Aug)2ft (0.6m)11s
Evening (10 Aug)1.5ft (0.5m)10s

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


Short Range Forecast

Heavy rain (total 39mm), heaviest during Tue night. Warm (max 29°C on Mon afternoon, min 23°C on Mon night). Mainly fresh winds.

Monday
10
Tuesday
11
Wednesday
12
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)
1
1
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)
0.6
SSW
11
0.6
S
10
0.6
S
10
0.5
S
11
0.5
S
11
0.6
SSW
11
0.5
SSW
11
0.5
SSW
10
0.5
SSW
10
0.5
SSW
10
0.5
SSW
10
0.5
SSW
10
0.5
SSW
11
0.5
SSW
11
0.5
SSW
10
0.5
SSW
10
0.5
SSW
10
0.5
SSW
10
0.5
SSW
10
0.5
SSW
10
0.5
SSW
10
0.5
SSW
10
0.5
SSW
10
0.4
SSW
10
Wave Graph
Metric surfscale
Energy kJ
88
77
75
62
59
93
64
59
58
58
58
63
64
64
63
59
58
58
58
58
59
59
58
40
Wind (km/h)
15
NNE
20
NNE
20
NE
20
NNE
15
NE
10
NNE
20
ENE
25
NE
25
NE
25
NE
25
NNE
15
NNE
25
SW
25
SW
30
SW
30
S
35
S
25
SSE
30
SE
10
S
5
S
15
NNW
10
NNE
15
NNE
Wind State
off
off
off
off
off
cross-off
off
off
off
off
cross-off
cross-off
on
on
on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross-off
cross-off
off
High Tide
1:20AM1.35m
4:39PM1.42m
2:33AM1.42m
5:02PM1.48m
3:27AM1.50m
5:25PM1.52m
Low Tide
9:07AM0.28m
9:39PM1.09m
9:51AM0.20m
10:14PM0.99m
10:29AM0.15m
cloud
clear
clear
clear
clear
cloud
part cloud
cloud
part cloud
part cloud
part cloud
clear
cloud
cloud
heavy rain
heavy rain
light rain
light rain
light rain
light rain
light rain
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:56
4:56
4:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:37
6:35
6:34
 mm
12
14
5
2
2
2
2
Temp °C
26
25
25
26
27
29
27
25
24
23
23
25
25
25
23
23
23
25
23
25
26
26
26
26
Feels °C
27
24
25
26
28
30
26
24
22
21
21
24
23
24
21
22
20
23
20
26
27
26
27
27
  • 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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