Nagai Point Surf Break

Lat Long: 35.19° N 139.60° E

Nagai Point 48 hour detailed Surf Forecast

Issued: 8 pm 20 Aug 2026 (local time)

Forecast update in  hr  min

Today's Nagai Point sea temperature is
26.5° 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 (21 Aug):

  • Morning surf: Morning surf (21 Aug, local time) - 1.5ft (0.5m), 9s period with S swell.
  • Afternoon surf: Afternoon surf (21 Aug, local time) - 2.5ft (0.8m), 9s period with S swell.
  • Evening surf: Evening surf (21 Aug, local time) - 3ft (0.9m), 9s period with SSW swell.

The current surf forecast for Nagai Point at 12AM is: 0.2m 10s primary swell from a South direction and 0.2m 8s secondary swell from a South-southwest direction, 0.3m 3s secondary swell from a South-southwest direction (forecast issued at 08:00pm August 20). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (21 Aug)1.5ft (0.5m)9s
Afternoon (21 Aug)2.5ft (0.8m)9s
Evening (21 Aug)3ft (0.9m)9s

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


Short Range Forecast

Moderate rain (total 12mm), heaviest on Sat night. Warm (max 27°C on Sat afternoon, min 24°C on Sat night). Winds decreasing (fresh winds from the SSW on Fri afternoon, calm by Sun afternoon).

Thu
20
Friday
21
Saturday
22
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
Swell
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
9
0.2
SSW
8
0.2
S
10
0.4
SSW
9
0.4
SSW
9
0.5
S
9
0.7
S
9
0.8
S
9
0.9
SSW
4
0.9
SSW
9
0.4
SSW
9
0.4
SSW
10
0.4
SSW
9
0.4
SSW
9
0.4
SSW
9
0.4
SSW
9
0.4
SSW
9
0.4
SSW
9
Wave Graph
Metric surfscale
Energy kJ
8
7
8
25
27
41
78
101
25
113
35
36
34
32
32
32
32
32
Wind (km/h)
15
S
20
SSW
20
SSW
15
SSW
15
SSW
15
SSW
25
S
30
S
30
SSW
25
SSW
25
SSW
20
SSW
15
SSW
10
SSW
15
SSW
20
SSW
15
S
10
SE
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
cross-on
cross-on
cross-on
cross
High Tide
8:27PM1.44m
11:35AM1.10m
8:59PM1.38m
Low Tide
4:02AM0.54m
2:23PM1.07m
5:39AM0.54m
cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
clear
part cloud
part cloud
clear
part cloud
part cloud
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:05
5:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:24
6:23
6:22
 mm
2
Temp °C
27
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
27
27
Feels °C
29
27
28
28
29
28
27
26
25
26
26
27
28
29
28
27
30
31
  • 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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