Nagai Point Surf Break

Lat Long: 35.19° N 139.60° E

Nagai Point 48 hour detailed Surf Forecast

Issued: 2 am 20 Sep 2026 (local time)

Forecast update in  hr  min

Today's Nagai Point sea temperature is
25.8°C
0.2° 

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 (20 Sep):

  • Morning surf: Morning surf (20 Sep, local time) - 5.5ft (1.7m), 12s period with SSE swell.
  • Afternoon surf: Afternoon surf (20 Sep, local time) - 5.5ft (1.7m), 12s period with SSE swell.
  • Evening surf: Evening surf (20 Sep, local time) - 6ft (1.8m), 12s period with SSE swell.

The current surf forecast for Nagai Point at 11AM is: 1.7m 12s primary swell from a South-southeast direction (forecast issued at 02:00am September 20). An open ocean swell of 0.1m 14s is not directed at the surf break, a second open ocean swell of 0.6m 3s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (JST) & DateWave HeightWave Period
Morning (20 Sep)5.5ft (1.7m)12s
Afternoon (20 Sep)5.5ft (1.7m)12s
Evening (20 Sep)6ft (1.8m)12s

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


Short Range Forecast

Heavy rain (total 212mm), heaviest during Mon night. Warm (max 28°C on Tue afternoon, min 22°C on Sun morning). Mainly severe gales.

Sunday
20
Monday
21
Tuesday
22
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)
2
2
2
1
2
2
0
0
0
0
0
1
2
3
4
2
0
0
2
0
1
1
1
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)
1.8
SSE
13
1.7
SSE
13
1.7
SSE
12
1.7
SSE
12
1.7
SSE
12
1.7
SSE
12
1.7
SSE
12
1.8
SSE
12
1.9
SSE
12
2
SSE
12
2.1
S
12
2.3
S
12
2.5
S
12
2.5
S
13
3
S
13
4
S
13
5
S
15
4.5
S
14
2.2
SSE
12
1.6
S
10
1.4
S
10
1.3
S
9
1.1
S
9
1
S
9
Wave Graph
Metric surfscale
Energy kJ
1134
983
871
830
802
723
805
902
969
1090
1312
1591
1881
2334
2920
5116
11495
6736
1302
562
384
288
194
146
Wind (km/h)
30
NNE
30
NNE
35
NNE
35
NNE
35
NE
35
NNE
40
NNE
35
NNE
35
NNE
35
N
40
NNE
40
NNE
30
N
30
N
35
NE
45
E
60
NE
85
NNW
15
WNW
15
SSW
15
SSE
10
SE
30
NE
25
NNE
Wind State
off
off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
off
cross-off
cross-on
cross-on
cross
cross
off
off
High Tide
4:15PM1.26m
8:27PM1.27m
3:17PM1.34m
00:25AM1.22m
3:31PM1.40m
Low Tide
4:55AM0.54m
5:23PM1.26m
6:50AM0.53m
8:37PM1.14m
8:06AM0.46m
cloud
light rain
mod rain
light rain
mod rain
mod rain
mod rain
light rain
light rain
light rain
light rain
light rain
mod rain
light rain
heavy rain
thunderstorm
heavy rain
heavy rain
light rain
part cloud
part cloud
part cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:26
5:28
5:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:42
5:40
5:38
 mm
1
10
3
9
7
8
2
2
5
4
5
7
5
19
53
32
47
4
Temp °C
23
23
23
23
22
22
22
22
22
22
22
22
23
24
24
26
26
24
26
26
26
27
28
26
Feels °C
22
22
22
21
20
20
19
19
19
19
19
19
21
22
23
25
21
13
28
28
28
30
26
22
  • 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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