Nagai Point Surf Break

Lat Long: 35.19° N 139.60° E

Nagai Point 48 hour detailed Surf Forecast

Issued: 8 am 17 Aug 2026 (local time)

Forecast update in  hr  min

Today's Nagai Point sea temperature is
27.4° C
0.5° 

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 (17 Aug):

  • Morning surf: Morning surf (17 Aug, local time) - 1.5ft (0.4m), 9s period with S swell.
  • Afternoon surf: Afternoon surf (17 Aug, local time) - 1ft (0.3m), 8s period with SSW swell.
  • Evening surf: Evening surf (17 Aug, local time) - 1ft (0.3m), 8s period with SSW swell.

The current surf forecast for Nagai Point at 12PM is: 0.4m 8s primary swell from a South direction and 0.1m 11s secondary swell from a Southeast direction (forecast issued at 08:00am August 17). The wind direction is predicted to be glassy.

Time (JST) & DateWave HeightWave Period
Morning (17 Aug)1.5ft (0.4m)9s
Afternoon (17 Aug)1ft (0.3m)8s
Evening (17 Aug)1ft (0.3m)8s

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


Short Range Forecast

Mostly dry. Warm (max 27°C on Mon afternoon, min 24°C on Tue night). Wind will be generally light.

Monday
17
Tuesday
18
Wednesday
19
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
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)
0.4
S
9
0.4
S
9
0.4
S
8
0.3
SSW
8
0.3
SSW
8
0.3
SSW
8
0.2
SSW
8
0.2
SSW
8
0.2
SSW
8
0.2
SSW
8
0.2
SSW
8
0.3
SSW
8
0.3
SE
7
0.4
SE
7
0.4
SE
7
0.4
SE
6
0.4
SE
6
0.3
SE
6
0.3
SE
6
0.3
SSE
6
0.2
SSE
6
0.4
SE
6
Wave Graph
Metric surfscale
Energy kJ
24
23
22
14
14
13
7
7
6
6
6
12
7
11
11
11
10
6
6
7
4
8
Wind (km/h)
10
NE
10
ENE
0
NW
10
SSW
10
SSE
10
SE
10
SE
10
ESE
5
ESE
5
E
5
SW
15
SSW
10
S
10
SE
5
SE
5
ENE
10
NE
10
NE
0
NNW
10
SSW
10
SSE
10
SE
Wind State
off
cross-off
glassy
cross-on
cross-on
cross
cross-off
cross-off
cross-off
glassy
glassy
cross-on
cross-on
cross
cross-off
off
off
off
glassy
cross-on
cross
cross
High Tide
6:52AM1.54m
7:14PM1.53m
7:35AM1.45m
7:37PM1.51m
8:23AM1.32m
8:01PM1.48m
Low Tide
1:04PM0.47m
1:26AM0.50m
1:30PM0.62m
2:07AM0.50m
1:55PM0.78m
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:01
5:01
5:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:29
6:27
6:25
 mm
Temp °C
24
25
26
27
27
26
25
25
25
25
26
27
26
26
25
25
24
25
26
27
27
26
Feels °C
26
27
30
29
30
29
28
28
28
29
30
28
28
29
29
29
28
29
30
29
30
30
  • 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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