Niijima - Awaii surfForecast / Izu Islands / Japan

information circle16 Day Weather and Surf, issued 8 am Friday 10 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
17.3° C
(Which is 1.2°C colder than average 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 Saturday (Apr 11) at 12AM. The primary swell is predicted to be 3.5m and 10s period with a secondary swell of 0.4m and 11s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Niijima - Awaii in the next 16 days are 4.0m 9s and forecast to arrive on Friday (Apr 10) at 9PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 7s period and expected on Thursday (Apr 16) at 3PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+)12AM (Sat 11th Apr)11ft (3.5m) 10s
Best Surf12AM (Sat 11th Apr)11ft (3.5m) 10s
Most Powerful 9PM (Fri 10th Apr)13ft (4.0m) 9s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Moderate rain (total 18mm), heaviest on Fri afternoon. Very mild (max 19°C on Fri morning, min 15°C on Sat night). Winds decreasing (gales from the W on Sat night, light winds from the ENE by Sun night).

Days 3-6 Weather Summary Mostly dry. Very mild (max 18°C on Tue night, min 16°C on Mon morning). Mainly fresh winds.

Friday
10
Saturday
11
Sunday
12
Monday
13
Tuesday
14
Wednesday
15
Thursday
16
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
!
0
0
0
0
0
1
1
0
1
0
0
1
0
1
3
1
0
0
Swell
Height Map
Wave Height (m) & direction (?)
2.4
SSW
3
SSW
3.5
SW
2.5
WSW
3
WSW
3
W
0.9
WSW
1.2
E
0.6
ESE
0.6
ESE
0.7
SE
0.5
ESE
0.8
ESE
0.8
ESE
0.9
SE
0.8
ESE
0.9
SSE
1.1
SSE
0.8
S
1.1
S
1.2
S
Period(s) (?)781098786101010910101391614161615
Wave
Graph
(?)Metric surfscale
Energy kJ (?)620109924221210106610451129272721124812210327393441472330597619
Wind
(km/h)
45
SSW
50
SSW
40
WSW
55
W
65
W
65
W
30
ENE
25
ENE
15
N
20
W
15
WSW
10
WNW
20
NE
30
ENE
5
NE
5
E
10
E
5
W
25
NE
35
ENE
35
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscross-
off
cross-
off
cross-
off
offcross-
on
cross-
on
cross-
off
offcross-
off
offcross-
on
cross-
on
cross-
on
oncross-
on
cross-
off
crosscross-
on
cross-
on
High Tide
/ height (m)
2:25AM
1.18
10:21AM
1.08
2:56AM
1.24
1:10PM
1.09
3:20AM
1.29
2:35PM
1.20
3:42AM
1.33
3:32PM
1.31
4:04AM
1.37
4:19PM
1.41
4:26AM
1.40
5:01PM
1.47
Low Tide
/ height (m)
5:25PM
0.35
7:39AM
1.06
7:02PM
0.37
8:38AM
0.91
8:14PM
0.36
9:10AM
0.75
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
Friday
10
Saturday
11
Sunday
12
Monday
13
Tuesday
14
Wednesday
15
Thursday
16
Sunrise5:18--5:18--5:16--5:15--5:13--5:11--5:11--
Sunset-6:08--6:09--6:10--6:12--6:13--6:13--6:14-
light rain
mod rain
rain showers
clear
clear
part cloud
cloud
part cloud
cloud
part cloud
clear
part cloud
clear
clear
clear
clear
part cloud
part cloud
clear
clear
part cloud
Rain (mm)
387------------------
Temp. °C191919181917161617161717171718171818171616
Feels °C (?)111212875121216121416141217171718141010
  • 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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