Surf Forecasts:
Niijima - Awaii surf forecast from 19 Sep 2026:
- Best quality surf: Saturday 26 Sep, 9AM (local time) - 1.5ft (0.4m), 10s period, E swell with offshore winds.
- Most powerful swell: Monday 21 Sep, 12PM (local time) - 18ft (5.5m), 13s period, SE swell with 11,267 kJ wave energy.
- Next surfable swell (1★+): Saturday 26 Sep, 9AM (local time) - 1.5ft (0.4m), 10s period with E 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 Saturday (Sep 26) at 9AM. The primary swell is predicted to be 0.4m and 10s period with a secondary swell of 0.6m and 5s. 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 5.5m 13s and forecast to arrive on Monday (Sep 21) at 12PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 4.5m 8s period and expected on Monday (Sep 21) at 3PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9AM (Sat 26th Sep) | 1.5ft (0.4m) 10s |
| Best Surf | 9AM (Sat 26th Sep) | 1.5ft (0.4m) 10s |
| Most Powerful | 12PM (Mon 21st Sep) | 18ft (5.5m) 13s |
Table - best surf conditions forecast for Niijima - Awaii over the next 16 days.
Short Range ForecastHeavy rain (total 290mm), heaviest during Mon afternoon. Warm (max 27°C on Mon night, min 21°C on Sat night). Mainly extremely windy. | Days 4-6 Weather SummaryHeavy rain (total 29mm), heaviest during Thu night. Warm (max 25°C on Tue morning, min 23°C on Wed night). Winds increasing (light winds from the SSE on Tue afternoon, strong winds from the E by Tue night). | ||||||||||||||||||||
Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | |||||||||||||||
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) | SE 15 | SE 13 | ESE 12 | SE 12 | SE 12 | SSE 12 | SSE 13 | SE 13 | ESE 10 | WSW 7 | SSE 8 | S 8 | SSW 8 | E 6 | E 6 | E 6 | E 6 | ESE 6 | ESE 6 | ESE 5 | E 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 3695 | 2931 | 3395 | 2010 | 2494 | 3399 | 8210 | 9842 | 878 | 219 | 86 | 71 | 7 | 275 | 212 | 171 | 86 | 64 | 36 | 25 | 31 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross-on | cross | off | cross | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross | cross-off |
High Tide | 12:28PM1.23m | 8:28PM1.43m | 3:40PM1.32m | 9:20PM1.33m | 3:39PM1.40m | 00:34AM1.29m | 3:56PM1.46m | 2:19AM1.37m | 4:16PM1.51m | 3:22AM1.48m | 4:36PM1.54m | 4:11AM1.58m | 4:56PM1.57m | ||||||||
Low Tide | 2:21PM1.22m | 5:24AM0.52m | 5:58PM1.31m | 7:08AM0.51m | 8:52PM1.21m | 8:25AM0.46m | 9:25PM1.06m | 9:18AM0.42m | 9:54PM0.91m | 10:01AM0.39m | 10:22PM0.75m | 10:37AM0.41m | 10:51PM0.60m | ||||||||
 |  |  |  | | |  | |  |  |  | | | |  | | | |  | |  | |
 | 5:28 | — | — | 5:28 | — | — | 5:28 | — | — | 5:30 | — | — | 5:30 | — | — | 5:31 | — | — | 5:31 | — | — |
 | — | 5:45 | — | — | 5:44 | — | — | 5:42 | — | — | 5:40 | — | — | 5:38 | — | — | 5:37 | — | — | 5:36 | — |
mm | — | 1 | 22 | 13 | 18 | 41 | 39 | 107 | 49 | — | — | 6 | 3 | 2 | 5 | 2 | — | 11 | 4 | 1 | — |
Temp °C | 23 | 24 | 24 | 22 | 23 | 25 | 26 | 26 | 27 | 25 | 25 | 25 | 25 | 25 | 25 | 23 | 25 | 25 | 26 | 26 | 25 |
Feels °C | 18 | 20 | 21 | 16 | 16 | 22 | 23 | 18 | 26 | 24 | 26 | 25 | 22 | 22 | 23 | 20 | 24 | 24 | 28 | 28 | 27 |
Swell 1 Height (m) Direction Period (s) | SE 15 | SE 13 | ESE 12 | SE 12 | SE 12 | SSE 12 | SSE 13 | SE 13 | ESE 10 | SSE 9 | W 6 | S 8 | SSW 8 | SSW 8 | SSW 8 | NE 10 | SE 7 | ESE 6 | ESE 6 | ESE 5 | ESE 5 |
| kJ | 3695 | 2931 | 3395 | 2010 | 2494 | 3399 | 8210 | 9842 | 878 | 151 | 47 | 71 | 7 | 7 | 6 | 25 | 73 | 64 | 36 | 25 | 10 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | E 14 | ENE 12 | N 6 | E 10 | NNE 7 | ENE 9 | SSE 8 | ENE 10 | SE 9 | E 12 | E 12 | SSW 8 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | E 10 |
| kJ | — | — | — | — | 15 | 50 | 36 | 1275 | 158 | 139 | 86 | 36 | 3 | 3 | 3 | 6 | 32 | 32 | 30 | 28 | 31 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | E 14 | E 12 | — | — | S 11 | E 10 | SSW 6 | W 5 | SSW 8 | E 12 | E 12 | — | N 4 | E 9 | E 9 | ESE 8 | NE 8 |
| kJ | — | — | — | — | 14 | 47 | — | — | 79 | 48 | 36 | 8 | 7 | 3 | 3 | — | 1 | 14 | 13 | 14 | 17 |
Wind waves Height (m) Direction Period (s) | NE 7 | ENE 7 | ENE 10 | NE 6 | NNE 7 | NNE 7 | NNE 7 | N 8 | WSW 7 | WSW 7 | — | ENE 3 | E 6 | E 6 | E 6 | E 6 | E 6 | — | — | — | WSW 3 |
| kJ | 748 | 584 | 94 | 320 | 657 | 554 | 257 | 2053 | 160 | 219 | — | 3 | 314 | 275 | 212 | 171 | 86 | — | — | — | 6 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 438 | 104 | 87 | 500 | 500 | 459 | 459 | 458 | 44 | 103 | 41 | 470 | 192 | 77 | 77 | 77 | 87 | 101 | 141 | 141 | 3 |
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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