Surf Forecasts:
Ikei Island surf forecast from 8 Jul 2026:
- Best quality surf: Thursday 9 Jul, 3PM (local time) - 18ft (5.5m), 17s period, SE swell with onshore winds.
- Most powerful swell: Friday 10 Jul, 6AM (local time) - 30ft (9.0m), 18s period, SE swell with 54,177 kJ wave energy.
- Next surfable swell (1★+): Thursday 9 Jul, 3PM (local time) - 18ft (5.5m), 17s period with SE 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 (Jul 09) at 3PM. The primary swell is predicted to be 5.5m and 17s period. The wind is predicted to be onshore as the swell arrives.
The most powerful waves expected at Ikei Island in the next 16 days are 9.0m 18s and forecast to arrive on Friday (Jul 10) at 6AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 10.0m 17s period and expected on Friday (Jul 10) at 9PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3PM (Thu 9th Jul) | 18ft (5.5m) 17s |
| Best Surf | 3PM (Thu 9th Jul) | 18ft (5.5m) 17s |
| Most Powerful | 6AM (Fri 10th Jul) | 30ft (9.0m) 18s |
Table - best surf conditions forecast for Ikei Island over the next 16 days.
Alright, this is Rusty. Let me level with you about Ikei Island. We’ve got a long outlook ahead, and honestly, for the next couple of weeks, it’s a tough watch.
The entire first week and a half is a write-off. From Wednesday the 8th right through to about Monday the 20th, we’re staring down a long stretch of junk. No real surf to speak of, just one messy, blown-out, or way-too-big situation after another. That’s nearly two weeks of sitting on the beach.
The only real light at the end of the tunnel, and it’s a promising one, shows up on Monday the 20th and Tuesday the 21st. That’s our window.
The Standout: Monday 20th July, Ikei Island
Monday morning is the pick. We’ve got clean conditions with a light offshore breeze from the southwest at just 6 mph. The swell is a clean 4 ft from the east with a 12-second period – that’s proper groundswell energy, which this reef setup can handle. The combined energy is moderate at 442. It’s an intermediate-level wave, not too big, and with those offshore winds, it’s going to be glassy. The water temperature is sitting at 83°, which is bang on average for this time of year, so no surprises there.
Monday afternoon sees the swell bump up to 5 ft, but the wind goes a little cross-off. It’s still clean, with light winds, and the energy jumps to 803. This is a very good option if the morning session doesn’t tickle your fancy.
Tuesday 21st July, Ikei Island
Tuesday is a solid backup. The morning offers 3 ft swell from the east at a nice long 13-second period. The energy is still moderate (565). Winds are light, but just a tick cross-onshore, so not as perfect as Monday. It’s a fair marginal call, but worth a paddle.
After that, by Wednesday the 22nd, the window closes again.
So, to wrap it up: forget the next two weeks until Monday the 20th. That Monday morning with glassy, 4 ft east swell and light offshore winds is your best shot. Don’t miss it.
- Rusty
Short Range ForecastHeavy rain (total 25mm), heaviest during Fri night. Warm (max 29°C on Wed morning, min 28°C on Wed morning). Winds increasing (light winds from the ENE on Wed morning, gales from the SE by Fri night). | Days 4-6 Weather SummaryHeavy rain (total 95mm), heaviest during Mon morning. Warm (max 29°C on Sat morning, min 27°C on Sun night). Winds decreasing (gales from the SE on Sat morning, light winds from the E by Mon night). | ||||||||||||||||||||
Wednesday 8 | Thursday 9 | Friday 10 | Saturday 11 | Sunday 12 | Monday 13 | Tuesday 14 | |||||||||||||||
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 16 | ESE 16 | ESE 16 | SE 16 | SE 17 | SE 18 | SE 18 | SE 18 | SSE 17 | SSE 17 | SSE 13 | SSE 12 | SSE 11 | ESE 13 | SE 13 | E 6 | ESE 13 | E 5 | ESE 14 | ESE 12 | ESE 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 3123 | 3973 | 6034 | 10466 | 16377 | 28097 | 48094 | 51875 | 0 | 0 | 0 | 0 | 0 | 16 | 7 | 94 | 16 | 53 | 36 | 133 | 288 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | on |
High Tide | 12:29PM1.44m | 00:44AM1.70m | 2:05PM1.42m | 1:44AM1.72m | 3:38PM1.48m | 2:48AM1.77m | 4:53PM1.59m | 3:52AM1.84m | 5:52PM1.70m | 4:50AM1.93m | 6:41PM1.79m | 5:45AM2.02m | 7:25PM1.84m | ||||||||
Low Tide | 6:15PM0.81m | 7:37AM0.60m | 7:25PM0.93m | 8:52AM0.46m | 8:46PM1.01m | 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 | ||||||||
 | |  |  | |  | |  | | | | | | | | | | | | | | |
 | 5:41 | — | — | 5:41 | — | — | 5:41 | — | — | 5:41 | — | — | 5:41 | — | — | 5:43 | — | — | 5:43 | — | — |
 | — | 7:23 | — | — | 7:23 | — | — | 7:23 | — | — | 7:23 | — | — | 7:22 | — | — | 7:22 | — | — | 7:22 | — |
mm | — | — | — | 2 | 1 | 2 | 2 | 6 | 12 | 5 | 2 | 4 | 3 | 8 | 25 | 27 | 14 | 7 | 1 | — | 2 |
Temp °C | 29 | 29 | 28 | 29 | 29 | 29 | 29 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 28 | 27 | 28 | 28 | 29 | 30 | 28 |
Feels °C | 31 | 30 | 29 | 30 | 29 | 28 | 25 | 23 | 22 | 24 | 25 | 29 | 29 | 30 | 28 | 26 | 30 | 30 | 30 | 33 | 30 |
Swell 1 Height (m) Direction Period (s) | ESE 16 | ESE 16 | ESE 16 | SE 16 | SE 17 | SE 18 | — | — | — | SSW 17 | SSW 15 | SW 15 | SW 13 | SW 11 | SW 10 | SSE 9 | SSE 9 | SSE 9 | S 9 | S 8 | ESE 12 |
| kJ | 3123 | 3973 | 6034 | 10466 | 16377 | 28097 | — | — | — | 25948 | 6913 | 3352 | 653 | 155 | 64 | 831 | 585 | 415 | 220 | 135 | 288 |
Swell 2 Height (m) Direction Period (s) | WSW 8 | — | — | — | — | — | — | — | — | — | — | — | — | ESE 13 | WSW 10 | E 9 | E 9 | SW 10 | ESE 14 | ESE 12 | S 8 |
| kJ | 13 | — | — | — | — | — | — | — | — | — | — | — | — | 16 | 34 | 7 | 7 | 23 | 36 | 133 | 104 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SE 13 | W 9 | ESE 13 | E 9 | E 9 | E 6 | E 9 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 7 | 7 | 16 | 15 | 15 | 25 | 76 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | SE 18 | SE 18 | SSE 17 | SSE 17 | SSE 13 | SSE 12 | SSE 11 | SSE 11 | SSE 10 | E 6 | — | E 5 | E 6 | — | — |
| kJ | — | — | — | — | — | — | 48094 | 51875 | 57845 | 41290 | 10076 | 5605 | 2921 | 2442 | 1247 | 94 | — | 53 | 15 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 26 | 26 | 26 | 639 | 639 | 635 | 734 | 1001 | 734 | 734 | 1030 | 645 | 645 | 639 | 639 | 627 | 627 | 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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