Niijima - Awaii surfForecast / Izu Islands / Japan

information circle16 Day Weather and Surf, issued 8 pm Thursday 16 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
18.8° 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 Saturday (Apr 18) at 12PM. The primary swell is predicted to be 1.5m and 16s period. 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 2.5m 14s and forecast to arrive on Sunday (Apr 19) at 9PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 9s period and expected on Friday (Apr 17) at 12AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+)12PM (Sat 18th Apr)5ft (1.5m) 16s
Best Surf12PM (Sat 18th Apr)5ft (1.5m) 16s
Most Powerful 9PM (Sun 19th Apr)8ft (2.5m) 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 Mostly dry. Very mild (max 17°C on Sat morning, min 11°C on Thu night). Winds decreasing (strong winds from the NE on Thu night, calm by Sat morning).

Days 3-6 Weather Summary Mostly dry. Very mild (max 18°C on Sun night, min 17°C on Sun night). Wind will be generally light.

Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thu
23
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
1
3
3
3
2
1
2
1
0
3
2
2
2
2
1
0
1
0
Swell
Height Map
Wave Height (m) & direction (?)
1.3
SSE
1.2
SSE
1.2
SSE
1.5
SSE
1.5
SSE
1.6
SSE
1.9
SE
2.1
SE
2.3
SE
2.5
SE
2.1
ESE
1.9
ESE
2
ESE
1.8
ESE
1.7
ESE
1.5
ESE
1.1
E
1
E
0.8
E
0.6
E
0.6
E
Period(s) (?)141414161615151415141313121212111111101010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)73260259411651107112516631752227826431567122611148877575212912381417873
Wind
(km/h)
45
NE
35
NE
30
ENE
20
E
10
ESE
5
SE
5
ENE
25
NE
20
ENE
15
NE
20
ENE
20
E
10
ESE
15
SSW
25
SW
20
WSW
15
WSW
20
SW
20
SW
10
SW
15
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
on
cross-
on
onononcross-
on
crosscross-
on
cross-
on
cross-
on
ononcrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
on
High Tide
/ height (m)
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
7:49PM
1.36
6:20AM
1.46
8:41PM
1.28
6:47AM
1.41
9:47PM
1.20
7:16AM
1.34
Low Tide
/ height (m)
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
12:53PM
-0.02
12:54AM
0.85
1:32PM
0.02
1:24AM
0.94
2:16PM
0.10
2:00AM
1.02
3:10PM
0.21
Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thu
23
Sunrise-5:09--5:09--5:07--5:05--5:05--5:03--5:03-
Sunset--6:15--6:15--6:16--6:16--6:17--6:19--6:20
clear
part cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
clear
part cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
Rain (mm)
---------------------
Temp. °C141314161717171717181717171818181718191919
Feels °C (?)578151716161314171313151414141616171917
  • 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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