Nagai Point Surf Break

Lat Long: 35.19° N 139.60° E

Nagai Point 48 hour detailed Surf Forecast

Issued: 2 am 21 Sep 2026 (local time)

Forecast update in  hr  min

Today's Nagai Point sea temperature is
25.2°C
0.3° 

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 Sep):

  • Morning surf: Morning surf (21 Sep, local time) - 8ft (2.5m), 13s period with S swell.
  • Afternoon surf: Afternoon surf (21 Sep, local time) - 10ft (3.0m), 13s period with S swell.
  • Evening surf: Evening surf (21 Sep, local time) - 11ft (3.5m), 13s period with SSE swell.

The current surf forecast for Nagai Point at 6AM is: 2.5m 12s primary swell from a South-southeast direction (forecast issued at 02:00am September 21). An open ocean swell of 0.6m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (21 Sep)8ft (2.5m)13s
Afternoon (21 Sep)10ft (3.0m)13s
Evening (21 Sep)11ft (3.5m)13s

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


Short Range Forecast

Heavy rain (total 114mm), heaviest during Mon afternoon. Warm (max 26°C on Mon afternoon, min 22°C on Tue night). Mainly gales.

Monday
21
Tuesday
22
Wednesday
23
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)
0
1
1
2
3
3
2
0
0
1
2
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)
2.1
SSE
12
2.3
SSE
12
2.5
SSE
12
2.5
S
13
3
S
13
3
S
13
3.5
SSE
13
3.5
SSE
13
3
SSE
12
1.9
SSE
11
1.2
SSE
10
0.9
SSE
10
0.9
SSE
9
0.9
SSE
9
0.9
SSE
8
0.8
SSE
8
0.7
S
8
0.7
SSE
8
0.6
S
7
0.5
S
7
0.4
SSE
7
0.4
SSE
7
0.3
SSE
7
0.3
SSE
6
Wave Graph
Metric surfscale
Energy kJ
1231
1461
1841
2393
2796
3018
3656
4507
2907
874
279
166
146
132
125
90
63
60
40
27
16
15
9
8
Wind (km/h)
40
N
40
N
40
NNE
35
N
30
NNE
35
NE
45
NE
65
NNE
65
NNW
25
N
5
NE
15
SSE
20
SSE
25
SE
20
ESE
20
E
15
ENE
25
NE
25
NE
25
NE
15
NE
15
ENE
15
E
15
ENE
Wind State
cross-off
cross-off
cross-off
cross-off
off
off
off
cross-off
cross-off
cross-off
glassy
cross
cross
cross
cross-off
cross-off
cross-off
off
off
off
off
off
cross-off
off
High Tide
3:17PM1.34m
00:25AM1.22m
3:31PM1.40m
2:03AM1.32m
3:49PM1.46m
Low Tide
6:50AM0.53m
8:37PM1.14m
8:06AM0.46m
9:03PM1.00m
8:56AM0.40m
mod rain
light rain
mod rain
mod rain
heavy rain
heavy rain
thunderstorm
heavy rain
mod rain
rain showers
cloud
cloud
part cloud
part cloud
cloud
light rain
light rain
light rain
cloud
part cloud
cloud
part cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:28
5:28
5:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:40
5:38
5:37
 mm
9
4
6
8
11
37
23
22
7
1
1
2
2
Temp °C
22
22
22
23
24
25
26
25
25
26
26
26
26
25
24
23
23
22
22
22
23
24
23
23
Feels °C
19
19
19
21
23
25
24
19
18
25
30
29
27
25
24
23
24
21
21
20
22
24
23
23
  • 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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