Surf Forecasts:
Ikei Island surf forecast from 2 Sep 2026:
- Best quality surf: Thursday 3 Sep, 3PM (local time) - 6ft (1.9m), 10s period, E swell with offshore winds.
- Most powerful swell: Thursday 3 Sep, 12AM (local time) - 10ft (3.0m), 10s period, E swell with 2,132 kJ wave energy.
- Next surfable swell (1★+): Thursday 3 Sep, 3PM (local time) - 6ft (1.9m), 10s period with E swell.
Best Forecast Surf Conditions for Ikei Island this week:
The surf forecast for Ikei Island over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Sep 03) at 3PM. The primary swell is predicted to be 1.9m and 10s period. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Ikei Island in the next 16 days are 3.0m 10s and forecast to arrive on Thursday (Sep 03) at 12AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 9s period and expected on Friday (Sep 04) at 3PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3PM (Thu 3rd Sep) | 6ft (1.9m) 10s |
| Best Surf | 3PM (Thu 3rd Sep) | 6ft (1.9m) 10s |
| Most Powerful | 12AM (Thu 3rd Sep) | 10ft (3.0m) 10s |
Table - best surf conditions forecast for Ikei Island over the next 16 days.
The Lowdown
G'day, Rusty here. Let's talk about what's on offer around Ikei Island. To be straight with you, the next 16 days are a tough watch. We've got a massive stretch of nothingness from right now, and it keeps rolling on. There's only one day worth paddling out, and that's Thursday afternoon, September 3rd. After that, we're looking at a gap of over a week of flat and messy conditions, with nothing else to recommend.
For that one chance, Ikei Island is your spot. Thursday afternoon, September 3rd, we've got easterly swell coming in at about 6ft with a period of 10 seconds. It's not a huge groundswell, but the energy is building to a moderate 716. What makes this one stand out is the wind – a solid offshore breeze out of the west at 16 mph. That's going to clean things right up, giving you some decent shape. The water temp is sitting around 84°, which is pretty much average for this time of year. It's an intermediate reef break, so steer clear if you're just starting out.
But it's a lonely highlight. From Wednesday morning September 2nd right through to the end of the forecast window, it's just one "poor surf conditions" call after another. Even Thursday afternoon is only rated as moderate quality. There's nothing else. Not even a sneaky morning session. The wind stays onshore or cross-shore for almost the whole period, and the swell never lines up right. For Ikei Island, which is an exposed reef break needing a northeasterly to really fire, this easterly swell works okay, but the lack of good wind and consistency kills it after Thursday.
If you're a kiter, the setup on some of those days with strong onshore winds and a bit of bump might be more your thing, but for a surfboard, it's a long wait.
Stay patient. Rusty.
Short Range ForecastHeavy rain (total 45mm), heaviest during Wed night. Warm (max 28°C on Wed morning, min 25°C on Wed night). Winds decreasing (fresh winds from the ENE on Wed afternoon, light winds from the NNW by Fri night). | Days 4-6 Weather SummaryLight rain (total 8mm), mostly falling on Sun morning. Warm (max 29°C on Sat afternoon, min 26°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | |||||||||||||||
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) | ESE 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | N 9 | N 10 | N 9 | N 8 | NNW 10 | NNW 8 | N 8 | NW 6 | N 9 | E 11 | E 10 | E 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 599 | 721 | 2132 | 951 | 716 | 234 | 111 | 76 | 57 | 212 | 255 | 241 | 177 | 230 | 125 | 42 | 20 | 61 | 311 | 325 | 485 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | cross | off | off | off | off | off | cross-on | cross-on | cross | cross-on | on | cross-on | cross-on | cross | cross | cross | cross | cross |
High Tide | 9:43AM1.69m | 9:32PM1.85m | 10:39AM1.54m | 10:10PM1.77m | 12:00PM1.40m | 11:04PM1.67m | 2:09PM1.36m | 00:32AM1.59m | 3:56PM1.47m | 2:26AM1.61m | 4:51PM1.60m | 3:50AM1.72m | 5:29PM1.72m | ||||||||
Low Tide | 3:26PM0.71m | 4:13AM0.40m | 4:04PM0.89m | 5:14AM0.47m | 4:54PM1.06m | 6:40AM0.52m | 6:31PM1.19m | 8:25AM0.49m | 8:51PM1.18m | 9:48AM0.38m | 10:13PM1.04m | 10:46AM0.26m | 11:04PM0.86m | ||||||||
 | |  |  | |  | | | | | |  |  | | | | | | | | | |
 | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — |
 | — | 6:46 | — | — | 6:45 | — | — | 6:45 | — | — | 6:44 | — | — | 6:43 | — | — | 6:42 | — | — | 6:40 | — |
mm | — | — | 22 | 7 | 3 | 1 | 4 | 3 | 5 | — | 1 | — | 2 | 3 | 2 | — | — | — | — | — | — |
Temp °C | 28 | 28 | 27 | 28 | 28 | 27 | 28 | 27 | 27 | 28 | 29 | 27 | 28 | 29 | 27 | 29 | 29 | 27 | 29 | 29 | 27 |
Feels °C | 29 | 27 | 29 | 31 | 30 | 30 | 31 | 29 | 31 | 32 | 32 | 32 | 32 | 32 | 30 | 32 | 31 | 30 | 31 | 31 | 30 |
Swell 1 Height (m) Direction Period (s) | SSW 10 | SW 10 | E 10 | E 10 | E 10 | E 10 | S 8 | SSW 9 | SSW 9 | SSW 8 | N 10 | N 9 | N 8 | SW 8 | NNW 8 | SSW 8 | NW 6 | N 9 | E 11 | E 10 | E 11 |
| kJ | 86 | 100 | 1464 | 951 | 716 | 234 | 134 | 304 | 276 | 212 | 255 | 241 | 177 | 54 | 125 | 59 | 20 | 61 | 311 | 325 | 485 |
Swell 2 Height (m) Direction Period (s) | E 13 | ENE 12 | SW 10 | SW 10 | SW 12 | SW 11 | N 8 | NNW 7 | NNW 7 | N 9 | S 8 | SSW 8 | SSW 8 | S 8 | S 8 | N 8 | S 8 | NW 6 | NW 6 | S 8 | SSW 8 |
| kJ | 29 | 50 | 98 | 106 | 167 | 153 | 74 | 73 | 36 | 212 | 169 | 125 | 144 | 44 | 41 | 42 | 30 | 18 | 19 | 29 | 19 |
Swell 3 Height (m) Direction Period (s) | E 16 | SSW 9 | SSW 9 | S 8 | SSW 8 | N 7 | E 9 | E 9 | E 9 | E 10 | E 10 | S 8 | E 9 | E 9 | SSW 9 | NW 6 | SSW 8 | S 7 | S 8 | SW 8 | S 8 |
| kJ | 5 | 25 | 15 | 11 | 21 | 15 | 111 | 76 | 57 | 47 | 30 | 49 | 27 | 25 | 50 | 18 | 24 | 27 | 19 | 3 | 10 |
Wind waves Height (m) Direction Period (s) | ESE 9 | E 9 | E 10 | — | W 3 | SSW 5 | — | — | — | — | NW 3 | — | NNW 4 | NNW 10 | NNW 8 | — | — | NE 3 | N 8 | NNW 6 | NNW 6 |
| kJ | 599 | 721 | 2132 | — | 4 | 59 | — | — | — | — | 1 | — | 9 | 230 | 75 | — | — | 1 | 42 | 62 | 74 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 26 | 26 | 639 | 8 | 0 | 0 | 0 | 0 | 0 | 17 | 44 | 23 | 24 | 23 | 24 | 44 | 44 | 44 | 755 | 30 | 30 |
Best forecast wave conditions in Okinawa | |||||||||||||||||||||
Best forecast wave conditions in Japan | |||||||||||||||||||||
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Information about the Ikei Island Surf forecast
The above surf forecast table for Ikei Island provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Ikei Island can be found by selecting the local surf guide option on the grey menu. Our Ikei Island 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 (Ikei Island) 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 Ikei Island 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.
Ikei Island is 14 km (9 miles) from Gushikawa. If you plan a holiday in Okinawa, look for hotels and other accommodation in Gushikawa. Gushikawa has rooms for a wide range of budgets as well as car hire and transport links.
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