Surf Forecasts:
Niijima - Awaii surf forecast from 6 Sep 2026:
- Best quality surf: Wednesday 9 Sep, 3PM (local time) - 10ft (3.0m), 9s period, SSW swell with cross-shore winds.
- Most powerful swell: Wednesday 9 Sep, 9PM (local time) - 11ft (3.5m), 9s period, SSW swell with 1,819 kJ wave energy.
- Next surfable swell (1★+): Tuesday 8 Sep, 6AM (local time) - 6.5ft (2.0m), 9s period with S swell.
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 Tuesday (Sep 08) at 6AM. The primary swell is predicted to be 2.0m and 9s period with a secondary swell of 0.8m and 9s. 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 3.5m 9s and forecast to arrive on Wednesday (Sep 09) 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 1.3m 7s period and expected on Thursday (Sep 10) at 6PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Tue 8th Sep) | 6.5ft (2.0m) 9s |
| Best Surf | 3PM (Wed 9th Sep) | 10ft (3.0m) 9s |
| Most Powerful | 9PM (Wed 9th Sep) | 11ft (3.5m) 9s |
Table - best surf conditions forecast for Niijima - Awaii over the next 16 days.
Short Range ForecastHeavy rain (total 398mm), heaviest during Sun morning. Warm (max 28°C on Tue afternoon, min 22°C on Sun morning). Winds decreasing (gales from the NE on Sun morning, light winds from the WSW by Tue morning). | Days 4-6 Weather SummaryHeavy rain (total 33mm), heaviest during Wed night. Warm (max 28°C on Wed morning, min 21°C on Thu morning). Mainly strong winds. | ||||||||||||||||||||
Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SW 9 | E 8 | E 8 | S 9 | S 9 | S 9 | SSW 9 | SSW 10 | S 10 | SSW 9 | SSW 9 | SSW 9 | SSW 8 | SSW 8 | S 8 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 29 | 940 | 912 | 1342 | 1185 | 770 | 406 | 603 | 1092 | 1291 | 1377 | 1416 | 361 | 192 | 111 | 142 | 144 | 243 | 243 | 239 | 383 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | on | cross-on | cross | cross-off | cross | cross | cross | cross | cross | cross-off | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 4:05PM1.35m | 11:06PM1.33m | 4:14PM1.43m | 1:34AM1.34m | 4:32PM1.49m | 2:54AM1.44m | 4:52PM1.54m | 3:49AM1.54m | 5:12PM1.57m | 4:35AM1.63m | 5:32PM1.59m | 5:17AM1.68m | 5:52PM1.60m | ||||||||
Low Tide | 8:00PM1.30m | 8:07AM0.45m | 9:19PM1.19m | 9:08AM0.37m | 9:52PM1.06m | 9:55AM0.32m | 10:21PM0.92m | 10:33AM0.30m | 10:50PM0.78m | 11:08AM0.32m | 11:19PM0.64m | 11:40AM0.37m | 11:48PM0.52m | ||||||||
 |  |  | | | | | | | | | |  |  |  | |  | | | | | |
 | 5:18 | — | — | 5:18 | — | — | 5:20 | — | — | 5:20 | — | — | 5:20 | — | — | 5:22 | — | — | 5:22 | — | — |
 | — | 6:02 | — | — | 6:01 | — | — | 6:00 | — | — | 5:59 | — | — | 5:58 | — | — | 5:55 | — | — | 5:54 | — |
mm | 115 | 107 | 76 | 13 | 11 | 20 | 37 | 5 | 14 | 10 | 8 | 13 | 2 | — | — | — | — | — | — | — | — |
Temp °C | 22 | 24 | 27 | 27 | 27 | 27 | 26 | 28 | 27 | 28 | 28 | 26 | 22 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 |
Feels °C | 14 | 23 | 25 | 25 | 26 | 29 | 29 | 32 | 31 | 27 | 28 | 29 | 20 | 23 | 23 | 25 | 23 | 22 | 23 | 23 | 23 |
Swell 1 Height (m) Direction Period (s) | SW 9 | N 6 | S 9 | E 8 | E 8 | S 9 | SSW 9 | SSW 10 | E 9 | ENE 9 | E 9 | SSW 9 | SSW 8 | SSW 8 | S 8 | S 8 | S 8 | E 14 | E 14 | E 14 | E 14 |
| kJ | 29 | 42 | 392 | 373 | 207 | 770 | 406 | 603 | 40 | 26 | 14 | 1416 | 361 | 192 | 111 | 72 | 74 | 243 | 243 | 239 | 383 |
Swell 2 Height (m) Direction Period (s) | SE 12 | S 9 | N 5 | SE 11 | ENE 9 | ENE 8 | SE 8 | E 9 | SE 10 | ESE 10 | SE 10 | ESE 10 | E 15 | E 14 | E 14 | NE 7 | E 14 | S 8 | S 8 | S 7 | S 8 |
| kJ | 6 | 85 | 14 | 19 | 124 | 120 | 145 | 56 | 25 | 10 | 27 | 32 | 69 | 66 | 103 | 41 | 144 | 60 | 42 | 27 | 33 |
Swell 3 Height (m) Direction Period (s) | SE 12 | SW 10 | N 5 | ESE 11 | E 17 | SE 10 | E 9 | SE 10 | E 18 | E 17 | E 16 | E 16 | ESE 11 | SE 11 | SE 10 | E 14 | ESE 10 | SE 10 | — | SE 9 | SSW 13 |
| kJ | 6 | 35 | 5 | 12 | 6 | 26 | 74 | 26 | 25 | 23 | 47 | 45 | 22 | 18 | 15 | 142 | 31 | 24 | — | 20 | 33 |
Wind waves Height (m) Direction Period (s) | ENE 7 | E 8 | E 8 | S 9 | S 9 | — | SSW 10 | SE 8 | S 10 | SSW 9 | SSW 9 | — | NE 5 | ENE 5 | ENE 7 | — | NE 7 | NE 4 | ENE 4 | NE 4 | ENE 4 |
| kJ | 913 | 940 | 912 | 1342 | 1185 | — | 299 | 196 | 1092 | 1291 | 1377 | — | 86 | 106 | 75 | — | 37 | 14 | 12 | 15 | 7 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 438 | 438 | 41 | 500 | 103 | 3 | 41 | 3 | 44 | 500 | 100 | 77 | 96 | 77 | 77 | 77 | 111 | 77 | 77 | 77 | 77 |
Best forecast wave conditions in Izu Islands | |||||||||||||||||||||
Best forecast wave conditions in Japan | |||||||||||||||||||||
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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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