Nagai Point Surf Break

Lat Long: 35.19° N 139.60° E

Nagai Point 48 hour detailed Surf Forecast

Issued: 8 am 08 Sep 2026 (local time)

Forecast update in  hr  min

Today's Nagai Point sea temperature is
28.0°C
1.5° 

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 (08 Sep):

  • Morning surf: Morning surf (08 Sep, local time) - 4.5ft (1.3m), 9s period with S swell.
  • Afternoon surf: Afternoon surf (08 Sep, local time) - 4.5ft (1.3m), 9s period with S swell.
  • Evening surf: Evening surf (08 Sep, local time) - 3ft (0.9m), 10s period with SSW swell.

The current surf forecast for Nagai Point at 12PM is: 1.2m 9s primary swell from a South direction (forecast issued at 08:00am September 08). An open ocean swell of 0.1m 10s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (08 Sep)4.5ft (1.3m)9s
Afternoon (08 Sep)4.5ft (1.3m)9s
Evening (08 Sep)3ft (0.9m)10s

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


Short Range Forecast

Heavy rain (total 28mm), heaviest during Thu night. Warm (max 28°C on Wed morning, min 19°C on Thu afternoon). Winds increasing (light winds from the S on Tue morning, strong winds from the SW by Tue night).

Tuesday
8
Wednesday
9
Thursday
10
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
1
0
0
0
0
0
0
0
0
0
0
0
1
0
0
1
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)
1.4
S
9
1.3
S
9
1.2
S
9
1.3
S
9
1
S
9
0.9
SSW
10
0.9
SSW
10
0.9
SSW
10
1.5
SSW
10
1.9
SSW
8
1.8
SSW
9
1.7
S
9
1.5
S
9
1.4
S
9
1.3
S
9
1.1
S
9
1
S
9
1
S
9
1
S
9
0.9
S
8
0.9
S
8
0.8
S
8
Wave Graph
Metric surfscale
Energy kJ
320
276
234
276
162
132
132
137
411
509
505
463
356
306
258
185
150
145
145
115
112
84
Wind (km/h)
5
S
5
S
20
SSW
30
SSW
30
SSW
30
SSW
35
SSW
35
SW
40
SW
40
SW
40
SW
35
SW
15
NW
30
NE
35
NNE
30
NE
25
NNE
30
NNE
35
NNE
35
N
30
NNE
25
NNE
Wind State
glassy
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
cross-on
off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
4:05PM1.44m
2:36AM1.39m
4:24PM1.49m
3:28AM1.50m
4:43PM1.53m
Low Tide
8:48AM0.38m
9:29PM0.99m
9:32AM0.31m
9:57PM0.85m
10:08AM0.28m
part cloud
part cloud
clear
part cloud
part cloud
clear
thunderstorm
thunderstorm
part cloud
clear
clear
clear
rain showers
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:18
5:18
5:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:00
5:58
5:57
 mm
1
1
1
1
2
1
4
2
1
1
2
Temp °C
24
25
27
27
27
27
27
27
27
28
28
28
26
23
20
20
20
20
20
20
19
19
Feels °C
28
29
30
27
27
27
27
26
25
27
26
27
27
20
16
17
18
17
16
16
15
16
  • 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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