Surf Forecasts:
Ikei Island surf forecast from 11 Jul 2026:
- Most powerful swell: Friday 17 Jul, 6PM (local time) - 1.5ft (0.4m), 10s period, ENE swell with 31 kJ wave energy.
Best Forecast Surf Conditions for Ikei Island this week:
The most powerful waves expected at Ikei Island in the next 16 days are 0.4m 10s and forecast to arrive on Friday (Jul 17) at 6PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 7.5m 14s period and expected on Saturday (Jul 11) at 6PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 6PM (Fri 17th Jul) | 1.5ft (0.4m) 10s |
Table - best surf conditions forecast for Ikei Island over the next 16 days.
Right, folks, Rusty here. Let’s have a look at what’s cooking for Ikei Island over the next couple of weeks.
Honestly, it’s a pretty grim run for a while. For the first week and a half, we’re looking at a whole lot of nothing. The wind is just brutal, hammering cross-shore or onshore, and the swell is either non-existent or tiny. You’ll see a lot of “poor surf conditions” in the forecast, and that’s the truth of it. The wind is a mess through Saturday, Sunday, and Monday, with a severe gale on Saturday morning and a near gale in the afternoon. It’s just not happening. The combined wave energy is zip for the first few days, so don’t even bother.
Things start to ease up a little from Wednesday the 15th, but the swell is still pathetic. We get a few glassy moments on the Thursday and Friday mornings, but the swell is only 1ft to 1ft with a weak energy reading. It’s flat, basically.
Then, from Sunday the 19th, we finally see some size. The swell builds by Sunday afternoon, jumping to 7ft from the ESE with a short, choppy period of 7 seconds. The combined energy is a solid 458, which is moderate, but the wind is a fresh cross-onshore, so it’s going to be lumpy and messy. This trend continues into Monday the 20th with 6ft swell and wind still onshore. It’s not clean, it’s not well-shaped, it’s just a messy, blown-out 8ft+ day for the experts on Sunday afternoon. For the average surfer, it’s a write-off.
The best of a bad bunch comes into view for Friday the 24th and Saturday the 25th. On Friday morning, we’ve got 4ft from the east with a light onshore breeze, and the combined energy is 201. It’s still just a “marginal” call, but it’s the first sign of life. Then Saturday the 25th morning looks like the standout. The swell is 5ft from the east, period is 8 seconds, and the wind is light and onshore. The combined energy is 338. It’s not perfect, but it’s the biggest, cleanest-looking window in the whole forecast. It’s still a bit of a messy beach break setup with that east wind, but it’s probably the only time you’ll get a wave worth paddling for.
The water temperature is about 84°F, which is bang on average for this time of year, so no worries there.
So, to sum it up: the first 12 days are a total bust. The only real shot is Saturday the 25th morning, and even that’s a gamble. Expect crowds if you go, because everyone else will be desperate too. It’s a reef break that’s fairly consistent, but the wind and swell direction aren’t playing ball. For the rest of the run, the kite surfers might have a field day with that strong onshore wind, but for a paddle surfer, it’s a tough watch.
Rusty.
Short Range ForecastHeavy rain (total 28mm), heaviest during Sat morning. Warm (max 29°C on Sat afternoon, min 27°C on Sat morning). Winds decreasing (severe gales from the SE on Sat morning, moderate winds from the SSE by Mon night). | Days 4-6 Weather SummaryLight rain (total 2mm), mostly falling on Thu afternoon. Warm (max 30°C on Wed afternoon, min 27°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Saturday 11 | Sunday 12 | Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | Friday 17 | |||||||||||||||
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) | SSE 17 | SSE 16 | SSE 13 | SSE 12 | S 11 | E 9 | SE 13 | ESE 13 | E 9 | SE 12 | SE 12 | SE 12 | SE 11 | SE 11 | E 11 | E 10 | E 10 | E 10 | E 10 | ENE 9 | E 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 0 | 0 | 0 | 0 | 0 | 7 | 7 | 16 | 15 | 22 | 22 | 21 | 18 | 30 | 20 | 17 | 17 | 30 | 30 | 29 | 27 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | glassy | glassy | glassy | glassy | cross-on | on |
High Tide | 4:53PM1.59m | 3:52AM1.84m | 5:52PM1.70m | 4:50AM1.93m | 6:41PM1.79m | 5:45AM2.02m | 7:25PM1.84m | 6:35AM2.07m | 8:06PM1.86m | 7:24AM2.07m | 8:45PM1.86m | 8:11AM2.01m | 9:22PM1.84m | ||||||||
Low Tide | 9:59AM0.30m | 10:02PM1.02m | 10:59AM0.14m | 11:05PM0.99m | 11:52AM0.01m | 11:59PM0.93m | 12:41PM-0.07m | 00:48AM0.86m | 1:27PM-0.09m | 1:34AM0.79m | 2:10PM-0.03m | 2:19AM0.73m | 2:50PM0.08m | ||||||||
 | |  | | | |  | |  |  | |  | | | | | | | | | | |
 | 5:41 | — | — | 5:41 | — | — | 5:43 | — | — | 5:43 | — | — | 5:43 | — | — | 5:43 | — | — | 5:45 | — | — |
 | — | 7:23 | — | — | 7:22 | — | — | 7:22 | — | — | 7:22 | — | — | 7:22 | — | — | 7:22 | — | — | 7:22 | — |
mm | 13 | 2 | 4 | 3 | 2 | 4 | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — |
Temp °C | 28 | 29 | 29 | 29 | 29 | 28 | 29 | 29 | 28 | 29 | 29 | 28 | 29 | 30 | 28 | 29 | 29 | 28 | 29 | 30 | 28 |
Feels °C | 19 | 25 | 26 | 29 | 30 | 29 | 31 | 31 | 30 | 31 | 32 | 31 | 33 | 34 | 32 | 33 | 35 | 33 | 33 | 34 | 32 |
Swell 1 Height (m) Direction Period (s) | — | — | SSW 13 | SW 12 | W 11 | W 10 | W 9 | W 8 | SSW 9 | E 9 | S 8 | S 8 | SW 8 | SSW 8 | SSW 8 | SSW 8 | S 7 | SW 9 | SW 9 | SW 8 | SW 9 |
| kJ | — | — | 2938 | 811 | 240 | 94 | 41 | 22 | 124 | 15 | 258 | 191 | 35 | 167 | 39 | 75 | 51 | 83 | 78 | 58 | 50 |
Swell 2 Height (m) Direction Period (s) | — | — | SW 16 | W 12 | W 11 | SW 10 | SE 13 | E 9 | E 9 | SE 12 | E 9 | E 9 | E 9 | E 9 | SW 10 | SW 10 | SW 9 | E 10 | S 7 | S 7 | E 9 |
| kJ | — | — | 169 | 177 | 87 | 108 | 7 | 7 | 15 | 22 | 15 | 15 | 14 | 14 | 25 | 58 | 65 | 30 | 23 | 23 | 27 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | E 9 | SE 13 | ESE 13 | W 8 | W 7 | SE 12 | SE 12 | SE 11 | SE 11 | E 11 | E 10 | E 10 | ESE 10 | E 10 | ENE 9 | ESE 10 |
| kJ | — | — | — | — | — | 7 | 7 | 16 | 5 | 4 | 22 | 21 | 18 | 30 | 20 | 17 | 17 | 9 | 30 | 29 | 9 |
Wind waves Height (m) Direction Period (s) | SSE 17 | SSE 16 | SSE 13 | SSE 12 | S 11 | SSE 10 | S 9 | S 9 | SSE 9 | S 8 | — | — | S 8 | S 8 | S 7 | — | — | S 7 | — | — | S 7 |
| kJ | 79778 | 42497 | 10538 | 3876 | 2574 | 1296 | 961 | 715 | 358 | 356 | — | — | 117 | 76 | 68 | — | — | 34 | — | — | 24 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 734 | 648 | 635 | 635 | 645 | 645 | 649 | 805 | 649 | 649 | 650 | 26 | 26 | 58 | 26 | 26 | 852 | 26 | 26 | 26 | 26 |
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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