Niijima - Awaii surfForecast / Izu Islands / Japan

information circle16 Day Weather and Surf, issued 8 am Saturday 25 Apr 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
20.5° C
(Which is 1.1°C warmer than normal for this time of year)

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 Thursday (Apr 30) at 6AM. The primary swell is predicted to be 1.9m and 7s period with a secondary swell of 0.2m and 9s. Another secondary swell of 0.2m and 8s is also forecast. 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 2.4m 7s and forecast to arrive on Thursday (Apr 30) at 12AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.3m 6s period and expected on Monday (Apr 27) at 9AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Thu 30th Apr)6ft (1.9m) 7s
Best Surf 6AM (Thu 30th Apr)6ft (1.9m) 7s
Most Powerful12AM (Thu 30th Apr)8ft (2.4m) 7s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 34mm), heaviest during Sun night. Very mild (max 18°C on Mon night, min 15°C on Sat night). Winds decreasing (near gales from the N on Sun night, light winds from the SSE by Mon night).

Days 4-6 Weather Summary

Light rain (total 2mm), mostly falling on Thu night. Warm (max 20°C on Tue night, min 16°C on Wed night). Winds decreasing (strong winds from the SW on Wed morning, light winds from the NW by Thu morning).

Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
1
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
0.4
SSW
8
1.9
E
7
1.6
E
7
1.4
E
7
1.3
E
6
1.4
ESE
6
0.6
S
7
0.9
SSW
7
0.8
SSW
7
0.6
E
8
0.9
SW
6
0.5
E
8
0.4
E
9
2
WSW
7
2.4
W
7
1.5
W
7
0.9
WSW
6
0.4
SE
9
0.4
SE
9
1.2
E
6
0.6
ESE
9
Wave Graph
Metric surfscale
Energy kJ
24
366
261
173
143
153
31
84
64
48
61
30
24
361
530
200
66
22
31
101
58
Wind (km/h)
40
NE
30
ENE
25
ENE
25
ENE
25
E
35
E
40
NNE
30
NNE
10
SSE
20
SW
25
SW
35
SW
40
SW
40
WSW
40
W
10
NW
30
NE
25
ENE
35
NE
30
ENE
15
ENE
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross-on
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross
cross-on
cross-on
cross-on
cross-on
High Tide
9:09AM1.12m
1:57AM1.22m
12:00PM1.06m
2:31AM1.26m
1:51PM1.13m
2:58AM1.31m
3:00PM1.24m
3:23AM1.35m
3:52PM1.35m
3:47AM1.39m
4:38PM1.43m
4:10AM1.43m
5:20PM1.47m
Low Tide
5:49PM0.40m
7:47AM0.94m
7:14PM0.43m
8:32AM0.77m
8:19PM0.45m
9:06AM0.59m
9:08PM0.48m
9:38AM0.42m
9:49PM0.52m
10:10AM0.26m
10:26PM0.57m
10:43AM0.12m
10:59PM0.65m
cloud
cloud
part cloud
cloud
cloud
heavy rain
light rain
light rain
part cloud
part cloud
part cloud
clear
clear
part cloud
cloud
cloud
cloud
rain showers
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:00
4:58
4:58
4:56
4:56
4:54
4:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:21
6:22
6:22
6:23
6:23
6:24
6:25
31
1
2
2
Temp °C
16
16
16
17
17
17
16
16
18
19
19
20
20
19
18
16
16
18
17
17
18
8
9
10
12
12
13
10
12
17
15
15
14
14
13
9
15
11
14
10
11
14
Swell 1
Height (m)
Direction
Period (s)
0.4
SSW
8
0.3
NE
13
0.4
NE
12
0.4
NE
14
0.4
NE
14
0.4
NE
13
0.6
S
7
0.9
SSW
7
0.9
ENE
7
0.6
SW
7
0.6
E
8
0.5
E
8
0.4
E
9
0.4
E
9
0.3
ESE
9
0.2
E
9
0.9
WSW
6
0.6
ENE
6
0.4
SE
9
0.5
SE
9
0.8
E
6
Energy kJ
19
27
39
74
69
44
31
84
75
37
44
30
24
24
15
6
66
22
31
42
46
Swell 2
Height (m)
Direction
Period (s)
0.4
SW
8
0.3
SW
8
0.2
SSW
7
0.1
SW
7
0.1
SW
7
0.1
SE
13
0.1
SE
12
0.6
SE
7
0.8
SSW
7
0.7
ENE
7
0.5
ENE
7
0.4
ENE
8
0.4
NE
8
0.2
ENE
8
0.1
NE
9
0.3
SE
8
0.7
NE
6
0.6
WSW
6
0.3
WSW
5
0.6
ESE
9
Energy kJ
24
10
5
2
2
6
6
43
64
47
29
24
17
6
3
11
37
20
5
58
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
11
0.2
S
7
0.2
ENE
16
0.1
SE
11
0.1
SE
13
0.1
SW
7
0.1
SE
12
0.3
NE
12
0.5
ESE
7
0.6
E
8
0.1
NE
11
0.2
SSE
6
0.1
SE
11
0.2
ENE
8
0.3
SE
9
0.4
SE
9
0.1
SW
5
0.1
NE
12
Energy kJ
5
4
26
5
7
2
6
23
29
48
5
4
5
7
12
22
1
6
Wind waves
Height (m)
Direction
Period (s)
2.1
ENE
7
1.9
E
7
1.6
E
7
1.4
E
7
1.3
E
6
1.4
ESE
6
2.3
ENE
6
1.6
NE
7
0.9
SW
6
0.9
SW
4
1.8
SW
6
2
WSW
7
2.4
W
7
1.5
W
7
0.4
NW
4
1.7
ENE
6
1.2
E
6
Energy kJ
395
366
261
173
143
153
423
233
61
31
206
361
530
200
5
213
101
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
3
4
2
1
1
1
1
1
1
1
3
2
1
1
1
1
1
Distance (km)
422
41
41
77
524
440
101
104
44
44
480
524
192
440
77
0
101
117
463
459
77
Best forecast wave conditions in Izu Islands
Rating
(10 max)
1
1
1
2
Best forecast wave conditions in Japan
Rating
(10 max)
4
1
4
1
3
4
2
2
1
1
1
1
1
2
3
2
1
1
1
1
1
Header Global
Rating
(10 max)
5
5
4
5
5
7
8
5
6
5
4
9
6
5
9
6
5
5
5
5
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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