Niijima - Awaii surfForecast / Izu Islands / Japan

information circle16 Day Weather and Surf, issued 8 am Saturday 30 May 2026 JST
Forecast update in hr  min  s Forecast update imminent
Niijima - Awaii surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Niijima - Awaii sea temperature is
22.4° C
(Which is normal for this time of year)

Niijima - Awaii surf forecast from 30 May 2026:

  • Best quality surf: Wednesday 3 Jun, 6PM (local time) - 18ft (5.5m), 16s period, SW swell with onshore winds.
  • Most powerful swell: Wednesday 3 Jun, 9PM (local time) - 28ft (8.5m), 16s period, SW swell with 33,799 kJ wave energy.
  • Next surfable swell (1★+): Sunday 31 May, 6AM (local time) - 3ft (0.9m), 10s period with E swell.

Best Forecast Surf Conditions for Niijima - Awaii this week:

The surf forecast for Niijima - Awaii over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (May 31) at 6AM. The primary swell is predicted to be 0.9m and 10s period with a secondary swell of 0.4m and 6s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Niijima - Awaii in the next 16 days are 8.5m 16s and forecast to arrive on Wednesday (Jun 03) at 9PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 12s period and expected on Saturday (Jun 06) at 12AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Sun 31st May)3ft (0.9m) 10s
Best Surf 6PM (Wed 3rd Jun)18ft (5.5m) 16s
Most Powerful 9PM (Wed 3rd Jun)28ft (8.5m) 16s

Table - best surf conditions forecast for Niijima - Awaii over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 23°C on Sun morning, min 19°C on Sun night). Winds increasing (light winds from the SW on Sat afternoon, fresh winds from the SW by Sun night).

Days 4-6 Weather Summary

Heavy rain (total 213mm), heaviest during Wed afternoon. Warm (max 23°C on Wed night, min 19°C on Thu night). Winds increasing (light winds from the ESE on Tue night, severe gales from the N by Wed night).

Saturday
30
Sunday
31
Monday
1
Tuesday
2
Wednesday
3
Thursday
4
Friday
5
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
2
0
2
2
0
2
3
2
2
3
2
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)
0.8
E
11
0.9
E
11
0.9
E
10
0.9
E
10
0.9
S
12
1
S
11
1
SSW
17
1.5
SSW
16
2
SSW
14
2.1
SSW
14
2.1
SSW
14
1.7
SW
14
2.5
SW
15
3.5
SW
16
8.5
SSW
14
4
SW
11
2.5
SW
10
1.5
SSW
9
1.1
SSW
8
0.9
SSW
8
0.7
SSW
7
Wave Graph
Metric surfscale
Energy kJ
146
184
171
162
235
248
563
1136
1624
1724
1590
1154
3178
6319
29756
3984
1186
362
161
93
48
Wind (km/h)
20
NE
10
SW
20
WSW
10
W
10
WSW
35
SW
20
WSW
20
SSW
15
S
15
SE
10
ESE
15
SE
40
SE
60
E
65
E
65
N
50
NNE
40
NNE
40
NNE
45
NNE
40
NNE
cross
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-on
cross-on
on
cross-on
on
on
cross-on
cross-off
cross
cross
cross
cross
cross
High Tide
5:24PM1.44m
3:52AM1.49m
6:07PM1.47m
4:25AM1.52m
6:49PM1.47m
4:58AM1.53m
7:31PM1.45m
5:34AM1.52m
8:14PM1.42m
6:12AM1.48m
8:57PM1.38m
6:55AM1.41m
9:42PM1.35m
Low Tide
10:23AM0.06m
10:33PM0.90m
11:00AM-0.03m
11:10PM0.95m
11:38AM-0.08m
11:47PM0.98m
12:16PM-0.08m
00:24AM1.01m
12:55PM-0.04m
1:04AM1.02m
1:36PM0.04m
1:51AM1.02m
2:19PM0.15m
2:47AM1.00m
clear
part cloud
part cloud
cloud
cloud
part cloud
clear
clear
part cloud
cloud
cloud
light rain
heavy rain
heavy rain
rain showers
clear
part cloud
cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:31
4:31
4:31
4:31
4:31
4:31
4:30
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:47
6:47
6:49
6:50
6:50
6:51
6:51
4
38
92
79
Temp °C
22
22
22
23
23
20
20
21
21
21
22
22
21
21
23
22
22
20
19
19
19
20
23
21
23
23
15
19
20
20
20
23
22
17
13
15
12
15
13
13
12
13
Swell 1
Height (m)
Direction
Period (s)
1.1
E
6
0.9
E
11
0.9
E
10
0.9
E
10
0.9
S
12
1
S
11
1
SSW
17
1.5
SSW
16
2
SSW
14
2.1
SSW
14
2.1
SSW
14
1.7
SW
14
2.5
SW
15
3.5
SW
16
8.5
SSW
14
3.5
SW
12
2.5
SW
10
1.5
SSW
9
1.1
SSW
8
1.3
ENE
11
1.5
ENE
12
Energy kJ
82
184
171
162
235
248
563
1136
1624
1724
1590
1154
3178
6319
29171
3511
1186
362
161
404
680
Swell 2
Height (m)
Direction
Period (s)
0.8
SW
7
0.7
SW
7
0.5
SW
7
0.4
S
13
0.8
E
10
0.8
E
10
0.9
S
11
0.7
E
10
0.7
E
10
0.7
E
10
0.7
E
10
0.9
SW
16
3.5
SE
10
1.4
ESE
10
1.2
ESE
10
0.9
ESE
9
0.7
ESE
9
0.9
SSW
8
0.7
SSW
7
Energy kJ
55
46
21
54
130
128
188
92
92
89
90
448
2320
341
248
133
67
93
48
Swell 3
Height (m)
Direction
Period (s)
0.8
E
11
0.7
E
5
0.3
S
6
0.4
SSW
15
0.4
WSW
6
0.1
SW
18
0.8
E
10
0.3
SE
11
0.7
E
10
0.3
SE
11
0.3
SE
11
0.6
E
9
0.1
SE
12
0.5
ESE
9
0.5
ESE
9
Energy kJ
146
27
6
76
14
13
123
20
89
19
19
61
6
42
45
Wind waves
Height (m)
Direction
Period (s)
0.6
WSW
6
0.8
SW
5
0.5
W
4
0.6
SSE
5
0.8
SSE
5
2.2
SE
7
4.5
SSE
9
8.5
SW
14
4
SW
11
0.9
ENE
8
1.3
ENE
10
Energy kJ
26
25
6
17
32
411
3213
29756
3984
106
367
Nearest Offshore or Glassy
Rating
(10 max)
1
2
1
2
2
2
3
3
4
4
2
2
2
3
3
4
2
1
2
1
1
Distance (km)
41
0
44
0
0
44
3
44
44
44
41
41
105
807
438
103
104
96
101
101
101
Best forecast wave conditions in Izu Islands
Rating
(10 max)
1
2
2
2
3
2
2
Best forecast wave conditions in Japan
Rating
(10 max)
2
2
1
2
3
3
4
5
4
4
2
2
3
4
3
4
2
2
2
1
1
Header Global
Rating
(10 max)
5
5
7
7
6
5
5
4
4
4
7
4
6
5
5
5
4
8
4
9
5
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Niijima - Awaii Surf forecast

The above surf forecast table for Niijima - Awaii provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Niijima - Awaii can be found by selecting the local surf guide option on the grey menu. Our Niijima - Awaii surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Niijima - Awaii) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Niijima - Awaii may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Niijima - Awaii is 41 km (25 miles) from Oshima. If you plan a holiday in Izu Islands, look for hotels and other accommodation in Oshima. Oshima has rooms for a wide range of budgets as well as car hire and transport links.

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