Niijima - Awaii Surf Forecast

/ Izu Islands (6 surf breaks) /

Japan (129 surf breaks) / Lat Long: (34.38° N 139.28° E)

Surf Forecasts:

Niijima - Awaii surfForecast / Izu Islands / Japan

12 Day Weather and Surf, issued 2 am Friday 19 Sep 2025 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 27.9° C
(Which is 1.6°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Niijima - Awaii this week:

The surf forecast for Niijima - Awaii over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Sep 21) at 6PM. The primary swell is predicted to be 0.7m and 8s period with a secondary swell of 0.4m and 10s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Niijima - Awaii in the next 12 days are 2.2m 8s and forecast to arrive on Tuesday (Sep 23) 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 2.5m 7s period and expected on Tuesday (Sep 23) at 12AM.

Wave Type	Time (JST) & Date	Wave Height & Period
Next good surf (1 star+)	6PM (Sun 21st Sep)	2.5ft (0.7m) 8s
Best Surf	6PM (Thu 25th Sep)	4.5ft (1.4m) 9s
Most Powerful	6PM (Tue 23rd Sep)	7ft (2.2m) 8s

Table - best surf conditions forecast for Niijima - Awaii over the next 12 days.

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Short Range Forecast Moderate rain (total 10mm), heaviest on Sat afternoon. Warm (max 27°C on Sat night, min 22°C on Fri morning). Winds decreasing (strong winds from the NE on Fri morning, light winds from the NW by Sun afternoon).									Days 3-6 Weather Summary Mostly dry. Warm (max 25°C on Tue night, min 22°C on Mon morning). Winds decreasing (strong winds from the ENE on Mon afternoon, light winds from the E by Wed night).
	Friday 19			Saturday 20			Sunday 21			Monday 22			Tuesday 23			Wednesday 24			Thursday 25
	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night
Rating (10 max)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	2	1
Swell Height Map See all maps
Wave Height (m) & direction (?)	SW	WSW	SE	E	E	E	E	E	E	SW	SSW	SSW	SSW	SSW	E	E	E	ESE	ESE	E	E
Period(s) (?)	6	6	13	6	6	8	9	8	8	16	15	12	12	11	8	8	8	8	8	9	9
Wave Graph (?)
kJ (?)	18	6	7	108	53	76	122	91	66	69	150	292	274	204	612	529	334	534	431	304	264
Wind (km/h)	NE	ENE	ENE	ENE	SE	SW	WSW	W	NE	NE	ENE	NE	NE	ENE	ENE	ENE	ENE	ENE	NE	NE	W
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- on	cross- on	cross- on	cross- on	on	cross- off	cross- off	off	cross	cross- on	cross- on	cross- on	cross	cross- on	cross- on	cross- on	cross- on	cross- on	cross	cross	cross- off
High Tide / height (m)		4:30PM 1.52		3:25AM 1.48	4:49PM 1.55		4:14AM 1.59	5:09PM 1.58		4:57AM 1.66	5:29PM 1.60		5:37AM 1.70	5:49PM 1.61		6:16AM 1.69		6:09PM 1.62	6:56AM 1.65		6:29PM 1.62
Low Tide / height (m)	9:27AM 0.38		10:03PM 0.94	10:09AM 0.35		10:30PM 0.79	10:45AM 0.36		10:58PM 0.64	11:18AM 0.40		11:28PM 0.51	11:48AM 0.48		11:58PM 0.40		12:17PM 0.59	12:29AM 0.32		12:44PM 0.71	1:04AM 0.28

	Friday 19			Saturday 20			Sunday 21			Monday 22			Tuesday 23			Wednesday 24			Thursday 25
Sunrise	5:28	-	-	5:28	-	-	5:28	-	-	5:30	-	-	5:30	-	-	5:31	-	-	5:31	-	-
Sunset	-	5:45	-	-	5:44	-	-	5:42	-	-	5:40	-	-	5:38	-	-	5:37	-	-	5:36	-

Rain (mm)	1	-	-	-	2	6	-	-	1	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	22	24	25	25	26	27	27	27	26	22	23	24	24	24	25	24	25	25	24	24	25
Feels °C (?)	17	20	22	23	27	26	24	29	23	16	16	18	17	18	19	19	20	20	23	26	25

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Recent Eyeball Surf Reports for Izu Islands

Wind Update The wind is still cross-on at Niijima - Awaii (fresh winds from the ENE at Miyakejima 37 km from Niijima - Awaii). 0.6m 6s windswell from the SW with a 0.2m 10s swell from the ESE. 2 swells combining to make bigger set waves.
1 hour 21 minutes ago Niijima - Awaii

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37 km away, 1 h 21 min ago

30 km/h

ENE

0.0

27.9

Air / Water (°C)

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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 12 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.