Niijima - Awaii surfForecast / Izu Islands / Japan

information circle16 Day Weather and Surf, issued 2 pm Saturday 21 Mar 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
16.1° C
(Which is 1.7°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 Monday (Mar 23) at 3AM. The primary swell is predicted to be 1.0m and 5s period. 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 2.2m 9s and forecast to arrive on Saturday (Mar 28) at 9AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 8s period and expected on Tuesday (Mar 24) at 12PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 3AM (Mon 23rd Mar)3.5ft (1.0m) 5s
Best Surf 3AM (Mon 23rd Mar)3.5ft (1.0m) 5s
Most Powerful 9AM (Sat 28th Mar)7ft (2.2m) 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 15mm), heaviest on Mon morning. Very mild (max 14°C on Sun afternoon, min 10°C on Mon morning). Winds decreasing (fresh winds from the SSE on Sat afternoon, calm by Sun morning).

Days 3-6 Weather Summary Heavy rain (total 65mm), heaviest during Wed night. Very mild (max 15°C on Tue night, min 10°C on Wed night). Winds increasing (calm on Wed morning, near gales from the NNE by Thu afternoon).

Sat
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
0
1
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.8
W
0.1
SE
0.4
W
0.1
SE
0.7
SSE
1.5
SSE
1.1
S
1.5
SE
1.3
SE
0.9
SE
0.7
SE
0.6
E
1.1
SE
1.7
SE
1.3
ESE
1.6
SE
2.1
ESE
1.8
SE
1.9
ESE
1.8
ESE
2.2
E
Period(s) (?)616515468888810567788899
Wave
Graph
(?)Metric surfscale
Energy kJ (?)51107921172138306232100697153223154233506439524502805
Wind
(km/h)
20
SE
20
SW
5
W
20
WSW
10
WNW
15
N
25
NNE
25
NNE
15
NE
15
SE
20
SSE
15
S
10
NNE
10
NE
45
NNE
55
NNE
50
NNE
40
NE
30
NE
20
ESE
20
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
off
glasscross-
off
offcross-
off
crosscrosscross-
on
oncross-
on
cross-
on
crosscross-
on
crosscrosscrosscrosscrossonon
High Tide
/ height (m)
7:06PM
1.45
6:40AM
1.44
7:49PM
1.36
7:01AM
1.43
8:39PM
1.25
7:24AM
1.40
9:44PM
1.13
7:48AM
1.34
11:41PM
1.06
8:13AM
1.27
3:29AM 8:53AM
1.13 1.17
3:22AM 12:00PM
1.20 1.09
Low Tide
/ height (m)
12:53AM
0.54
1:15PM
0.12
1:19AM
0.67
1:53PM
0.13
1:43AM
0.80
2:38PM
0.18
2:06AM
0.92
3:34PM
0.26
2:24AM
1.03
4:55PM
0.33
4:19AM
1.13
6:39PM
0.35
8:38AM
1.04
Sat
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Sunrise--5:45--5:43--5:41--5:41--5:39--5:37--5:37
Sunset5:53--5:54--5:55--5:55--5:57--5:58--5:59--
part cloud
clear
part cloud
cloud
light rain
mod rain
rain showers
clear
clear
clear
rain showers
light rain
light rain
heavy rain
light rain
mod rain
rain showers
part cloud
part cloud
part cloud
cloud
Rain (mm)
----294---3423241010----
Temp. °C131313141411121413141514131211111213151616
Feels °C (?)681091189891010111183025111312
  • 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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