Niijima - Awaii surfForecast / Izu Islands / Japan

information circle16 Day Weather and Surf, issued 2 pm Monday 13 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
18.7° C
(Which is 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 Monday (Apr 13) at 9PM. The primary swell is predicted to be 0.7m and 10s period with a secondary swell of 0.5m and 5s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Niijima - Awaii in the next 16 days are 3.0m 14s and forecast to arrive on Sunday (Apr 19) at 6PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.5m 8s period and expected on Thursday (Apr 16) at 6PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Mon 13th Apr)2.5ft (0.7m) 10s
Best Surf12AM (Thu 16th Apr)5ft (1.6m) 15s
Most Powerful 6PM (Sun 19th Apr)10ft (3.0m) 14s

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 20mm), heaviest during Wed night. Very mild (max 19°C on Wed night, min 12°C on Thu morning). Winds increasing (calm on Mon afternoon, gales from the NE by Thu morning).

Days 3-6 Weather Summary Light rain (total 2mm), mostly falling on Sat morning. Very mild (max 17°C on Fri night, min 10°C on Thu night). Winds decreasing (near gales from the NE on Thu afternoon, light winds from the NE by Sat night).

Mon
13
Tuesday
14
Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
1
0
0
0
0
1
1
4
0
0
0
0
0
0
1
1
2
0
0
0
1
Swell
Height Map
Wave Height (m) & direction (?)
0.6
ESE
0.8
ESE
0.8
ESE
1
ESE
1.2
ESE
1.6
SE
1.5
SSE
1.6
SSE
1.6
SSE
1.6
SSE
1.5
SSE
1
SSE
1.5
SSE
1.5
SSE
1.5
SSE
1.6
SSE
1.6
SSE
2.1
SE
3
ESE
2.5
ESE
2.3
ESE
Period(s) (?)10910101016161514151517161616151514141413
Wave
Graph
(?)Metric surfscale
Energy kJ (?)61100125186261125610671038101010951079589116511211121111011171712354426111793
Wind
(km/h)
0
E
10
NNE
25
NE
25
ENE
20
ESE
15
E
15
ENE
0
SSE
60
NE
55
NE
60
NE
45
NE
40
NE
30
E
20
ENE
20
ENE
20
NNE
35
NE
35
ENE
40
NE
30
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glasscrosscross-
on
cross-
on
oncross-
on
cross-
on
glasscrosscrosscrosscrosscross-
on
cross-
on
cross-
on
cross-
on
crosscrosscross-
on
crosscross
High Tide
/ height (m)
3:42AM
1.33
3:32PM
1.31
4:04AM
1.37
4:19PM
1.41
4:26AM
1.40
5:01PM
1.47
4:47AM
1.43
5:42PM
1.50
5:09AM
1.46
6:22PM
1.48
5:32AM
1.48
7:04PM
1.44
5:56AM
1.48
Low Tide
/ height (m)
9:06PM
0.35
9:40AM
0.57
9:49PM
0.37
10:09AM
0.40
10:25PM
0.41
10:40AM
0.25
10:58PM
0.47
11:11AM
0.13
11:28PM
0.55
11:43AM
0.04
11:58PM
0.65
12:17PM
-0.01
12:26AM
0.75
Mon
13
Tuesday
14
Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
Sunrise--5:13--5:11--5:11--5:09--5:09--5:07--5:05
Sunset6:12--6:13--6:13--6:14--6:15--6:15--6:16--
cloud
clear
clear
part cloud
rain showers
part cloud
cloud
heavy rain
rain showers
clear
clear
part cloud
cloud
cloud
rain showers
clear
cloud
cloud
clear
clear
part cloud
Rain (mm)
----3--134-----2------
Temp. °C181817181818181913131113141716171717171615
Feels °C (?)191814151616172012-156111314151111911
  • Map Icons:
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  • 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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