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Surf Forecasts:

Niijima - Awaii surfForecast / Izu Islands / Japan

information circle16 Day Weather and Surf, issued 8 pm Thursday 19 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
15.9° C
 (Which is 1.9°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 Friday (Mar 20) at 6PM. The primary swell is predicted to be 0.8m and 7s 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 2.3m 7s and forecast to arrive on Saturday (Mar 21) 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 2.1m 6s period and expected on Friday (Mar 20) at 6AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 6PM (Fri 20th Mar)2.5ft (0.8m) 7s
Best Surf 6PM (Fri 20th Mar)2.5ft (0.8m) 7s
Most Powerful12AM (Sat 21st Mar)7.5ft (2.3m) 7s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table

Short Range Forecast Light rain (total 3mm), mostly falling on Thu night. Very mild (max 15°C on Thu night, min 10°C on Sat morning). Winds increasing (light winds from the N on Thu night, strong winds from the WNW by Fri night).

Days 3-6 Weather Summary Light rain (total 7mm), mostly falling on Wed afternoon. Very mild (max 15°C on Sun night, min 12°C on Tue morning). Mainly fresh winds.

Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thu
26
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
2
0
0
0
0
0
0
1
1
1
0
0
0
0
0
1
1
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.9
WSW
0.9
SW
0.8
SW
2.3
W
1.1
W
0.7
W
0.1
SE
0.1
SE
0.1
SE
0.4
SE
0.8
SSE
0.9
SE
0.9
SE
1.4
NE
0.7
SE
0.8
SE
0.9
SE
1.2
SE
1.8
S
1
ESE
1
SE
Period(s) (?)877776161615567757885788
Wave
Graph
(?)Metric surfscale
Energy kJ (?)4199159542111361010965167899851678268295128110
Wind
(km/h)
30
ENE
35
NE
30
NNE
25
N
20
E
15
SE
30
WSW
20
W
25
WSW
20
WSW
15
W
10
WNW
15
NNW
30
ENE
20
E
20
ESE
20
ESE
10
E
20
NNW
25
N
5
NNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		crosscrosscross-
off		cross-
on		oncross-
off		cross-
off		cross-
off		cross-
off		offoffcross-
off		cross-
on		ononononcross-
off		cross-
off		glass
High Tide
/ height (m)
5:58AM
1.44
6:26PM
1.50
6:19AM
1.44
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
Low Tide
/ height (m)
11:58PM
0.30
12:08PM
0.22
12:26AM
0.41
12:40PM
0.15
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
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thu
26
Sunrise-5:48--5:46--5:45--5:43--5:41--5:41--5:39-
Sunset--5:52--5:53--5:54--5:55--5:55--5:57--5:58
light rain
rain showers
clear
clear
part cloud
part cloud
clear
part cloud
cloud
cloud
cloud
part cloud
clear
cloud
part cloud
rain showers
light rain
rain showers
part cloud
clear
clear
Rain (mm)
21-------------313---
Temp. °C151313131113141414151414151213141414131314
Feels °C (?)1368169788101011134899129813
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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View detailed surf forecast for Niijima - Awaii at:
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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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