Nagai Point Surf Break

Lat Long: 35.19° N 139.60° E

Nagai Point 48 hour detailed Surf Forecast

Issued: 8 am 18 Aug 2026 (local time)

Forecast update in  hr  min

Today's Nagai Point sea temperature is
27.0° C
0.0° 

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 (18 Aug):

  • Morning surf: Morning surf (18 Aug, local time) - 0.5ft (0.2m), 8s period with SSW swell.
  • Afternoon surf: Afternoon surf (18 Aug, local time) - 1ft (0.3m), 8s period with SSW swell.
  • Evening surf: Evening surf (18 Aug, local time) - 1.5ft (0.4m), 6s period with SE swell.

The current surf forecast for Nagai Point at 2PM is: 0.3m 6s primary swell from a South-southeast direction and 0.2m 8s secondary swell from a South-southwest direction, 0.1m 10s secondary swell from a Southeast direction (forecast issued at 08:00am August 18). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (18 Aug)0.5ft (0.2m)8s
Afternoon (18 Aug)1ft (0.3m)8s
Evening (18 Aug)1.5ft (0.4m)6s

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


Short Range Forecast

Mostly dry. Warm (max 27°C on Tue afternoon, min 25°C on Tue night). Wind will be generally light.

Tuesday
18
Wednesday
19
Thursday
20
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)
0.2
SSW
8
0.2
SSW
8
0.2
SSW
8
0.3
SSW
8
0.3
SE
6
0.4
SE
6
0.4
SE
6
0.4
SE
6
0.4
SE
6
0.3
SE
6
0.2
SSE
6
0.3
SSE
6
0.2
SSE
6
0.4
SE
6
0.2
SSE
6
0.2
SSE
6
0.2
SSE
6
0.2
SSE
6
0.2
SSE
6
0.2
SSW
9
0.2
SSW
9
0.2
SSW
8
Wave Graph
Metric surfscale
Energy kJ
6
6
6
12
7
10
10
10
10
6
4
7
4
9
4
4
4
4
4
8
8
7
Wind (km/h)
10
E
5
ESE
10
SSW
15
SSW
10
SSE
10
SE
10
SE
10
ESE
10
ENE
5
NE
5
SW
10
SSW
10
S
10
SE
5
SE
5
SE
5
ESE
5
SE
10
SW
15
SSW
15
S
10
S
Wind State
cross-off
glassy
cross-on
cross-on
cross
cross
cross
cross-off
cross-off
off
glassy
cross-on
cross-on
cross
cross
glassy
cross-off
glassy
on
cross-on
cross-on
cross-on
High Tide
7:35AM1.45m
7:37PM1.51m
8:23AM1.32m
8:01PM1.48m
9:27AM1.19m
8:27PM1.44m
Low Tide
1:30PM0.62m
2:07AM0.50m
1:55PM0.78m
2:56AM0.51m
2:16PM0.93m
part cloud
part cloud
clear
clear
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:01
5:03
5:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:27
6:25
6:24
 mm
Temp °C
25
26
26
27
27
26
26
25
25
25
26
27
27
26
25
25
25
25
26
26
27
26
Feels °C
28
30
29
29
30
29
29
28
28
28
29
29
29
29
28
29
29
29
29
27
29
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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