Nagai Point Surf Break

Lat Long: 35.19° N 139.60° E

Nagai Point 48 hour detailed Surf Forecast

Issued: 2 pm 10 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 (10 Aug):

  • 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 10PM is: 0.5m 10s primary swell from a South-southwest direction (forecast issued at 02:00pm August 10). An open ocean swell of 0.2m 11s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (JST) & DateWave HeightWave Period
Morning (10 Aug)--
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 50mm), heaviest during Tue night. Warm (max 29°C on Mon afternoon, min 22°C on Tue night). Mainly fresh winds.

Mon
10
Tuesday
11
Wednesday
12
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
1
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
0.6
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
0.9
SSW
10
1.2
SSW
5
1.3
SSW
5
0.5
SSW
10
0.5
SSW
10
1.1
SE
6
0.5
SSW
10
0.4
SSW
10
0.4
SSW
10
0.4
SSW
10
Wave Graph
Metric surfscale
Energy kJ
66
93
64
59
59
58
59
59
64
64
170
57
91
58
58
77
59
41
40
40
Wind (km/h)
15
NE
15
NNE
25
NE
25
NE
25
NE
25
NE
20
NNE
15
NNE
20
SW
25
SW
35
SSW
30
S
35
S
25
S
15
E
10
ESE
5
WNW
10
N
15
NNE
15
NNE
Wind State
off
off
off
off
off
off
off
cross-off
on
on
cross-on
cross-on
cross-on
cross-on
cross-off
cross-off
cross-on
cross-off
cross-off
off
High Tide
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
clear
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
light rain
heavy rain
heavy rain
mod rain
light rain
light rain
light rain
light rain
rain showers
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:56
4:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:37
6:35
6:34
 mm
1
14
20
7
2
1
2
2
1
Temp °C
27
29
27
25
23
23
23
25
25
25
23
23
23
22
23
23
23
25
26
25
Feels °C
28
29
26
24
21
21
22
24
23
25
21
22
20
20
23
24
25
26
26
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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