Surf Forecasts:
Californias surf forecast from 15 Aug 2026:
- Best quality surf: Wednesday 19 Aug, 12AM (local time) - 3.5ft (1.1m), 6s period, E swell with offshore winds.
- Most powerful swell: Thursday 20 Aug, 6PM (local time) - 4.5ft (1.4m), 10s period, E swell with 356 kJ wave energy.
- Next surfable swell (1★+): Wednesday 19 Aug, 12AM (local time) - 3.5ft (1.1m), 6s period with E swell.
Best Forecast Surf Conditions for Californias this week:
The surf forecast for Californias over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Aug 19) at 12AM. The primary swell is predicted to be 1.1m and 6s period. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Californias in the next 16 days are 1.4m 10s and forecast to arrive on Thursday (Aug 20) at 6PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 9s period and expected on Saturday (Aug 22) at 9AM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12AM (Wed 19th Aug) | 3.5ft (1.1m) 6s |
| Best Surf | 12AM (Wed 19th Aug) | 3.5ft (1.1m) 6s |
| Most Powerful | 6PM (Thu 20th Aug) | 4.5ft (1.4m) 10s |
Table - best surf conditions forecast for Californias over the next 16 days.
The Lowdown
Alright, let’s break this down for Californias.
Honestly, it’s a proper dry spell for the first week and a half. From Saturday the 15th right through to Monday the 24th of August, there’s absolutely nothing doing. The swell is tiny, mostly 0.7ft to 1ft, and the wind is either blowing strong or right onshore. The wave energy is pitiful, dropping down into single digits (23 moderate energy early on, then just a paltry 8). It’s a real bummer for this spot; you’d be scratching your head for a wave.
The water temp at 84° is bang on average for this time of year, so at least the wait won’t be too cold.
There is a little flicker of life late on. By Wednesday the 26th of August, we finally see a pulse. It’s not huge – a 4ft to 4ft groundswell from the East with a long 14-second period (590 strong energy). Now, that’s a proper groundswell, so it’ll have some shape and power, but at a beach-and-reef setup like Californias, a long period like that can sometimes make things a bit straight and fat. The wind on Wednesday afternoon turns light and cross-offshore from the East, which is a huge positive. It’ll be clean, with that slight air. That looks like the standout of the whole 16-day window. It’s not perfect, but it’s the best on offer.
Thursday the 27th sees the swell drop back to 2ft to 3ft from the ENE with a 12 to 13-second period, and the wind goes gentle offshore. It’s surfable and clean, but very ordinary.
After that, it fades away again into small, clean but weak junk for the end of the month.
The pick for the whole outlook is Wednesday afternoon, the 26th of August. That little window of clean, long-period East swell is your best bet. Get it while it lasts.
Rusty.
Short Range ForecastLight rain (total 4mm), mostly falling on Sat afternoon. Warm (max 29°C on Sat morning, min 27°C on Sat night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 9mm), mostly falling on Tue afternoon. Warm (max 29°C on Thu morning, min 27°C on Tue night). Winds increasing (light winds from the E on Tue morning, strong winds from the ENE by Thu night). | ||||||||||||||||||||
Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | |||||||||||||||
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) | ENE 11 | ENE 11 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 9 | E 6 | ENE 5 | E 8 | E 8 | NNE 5 | E 9 | ESE 10 | S 10 | S 10 | E 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 23 | 23 | 20 | 20 | 20 | 19 | 20 | 19 | 19 | 18 | 8 | 97 | 0 | 287 | 224 | 9 | 224 | 0 | 0 | 0 | 2 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | off | off | off | off | off | off |
High Tide | 9:11PM2.15m | 9:15AM2.15m | 9:39PM2.13m | 9:54AM2.02m | 10:07PM2.08m | 10:34AM1.85m | 10:36PM2.01m | 11:19AM1.67m | 11:07PM1.91m | 12:19PM1.50m | 11:42PM1.80m | 2:15PM1.40m | 00:33AM1.69m | ||||||||
Low Tide | 3:00PM0.32m | 3:15AM0.54m | 3:31PM0.46m | 3:52AM0.54m | 4:00PM0.62m | 4:31AM0.58m | 4:28PM0.80m | 5:13AM0.66m | 4:55PM0.98m | 6:04AM0.75m | 5:24PM1.15m | 7:13AM0.83m | 6:02PM1.32m | ||||||||
 |  |  | | | |  | |  | | | | | |  | | | | | |  | |
 | 6:00 | — | — | 6:01 | — | — | 6:01 | — | — | 6:01 | — | — | 6:01 | — | — | 6:03 | — | — | 6:03 | — | — |
 | — | 7:06 | — | — | 7:05 | — | — | 7:04 | — | — | 7:02 | — | — | 7:01 | — | — | 7:00 | — | — | 7:00 | — |
mm | — | 1 | — | 2 | 1 | — | — | — | — | — | 1 | — | 2 | 2 | 1 | 2 | — | 1 | 1 | — | 3 |
Temp °C | 29 | 29 | 27 | 28 | 28 | 27 | 28 | 28 | 27 | 28 | 28 | 27 | 28 | 28 | 28 | 29 | 29 | 28 | 28 | 28 | 27 |
Feels °C | 34 | 34 | 31 | 31 | 30 | 29 | 31 | 29 | 29 | 31 | 29 | 28 | 29 | 29 | 30 | 30 | 29 | 27 | 27 | 24 | 23 |
Swell 1 Height (m) Direction Period (s) | SW 8 | SSW 8 | SSW 8 | SW 8 | SW 8 | SW 9 | SW 9 | SW 8 | SW 9 | SW 9 | SW 8 | SW 9 | SW 9 | SW 9 | SSW 10 | ESE 8 | E 9 | ESE 10 | S 10 | S 10 | SW 9 |
| kJ | 69 | 52 | 55 | 70 | 69 | 81 | 81 | 74 | 79 | 38 | 25 | 20 | 12 | 12 | 18 | 115 | 224 | 473 | 257 | 271 | 14 |
Swell 2 Height (m) Direction Period (s) | S 9 | ENE 11 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | SSE 6 | SSW 8 | SSW 8 | S 9 | S 8 | WSW 9 | NNE 5 | S 9 | S 10 | E 8 | ESE 8 | E 10 |
| kJ | 14 | 23 | 20 | 20 | 20 | 19 | 20 | 19 | 19 | 7 | 12 | 12 | 6 | 5 | 7 | 9 | 28 | 208 | 147 | 109 | 2 |
Swell 3 Height (m) Direction Period (s) | ENE 11 | SSE 8 | W 6 | S 9 | W 7 | W 6 | SE 11 | ESE 11 | SE 10 | ENE 10 | ENE 9 | SE 10 | SE 10 | SW 9 | SW 8 | S 9 | SSW 8 | SW 9 | SW 9 | SW 9 | — |
| kJ | 23 | 14 | 3 | 14 | 4 | 3 | 4 | 11 | 4 | 18 | 8 | 4 | 4 | 3 | 3 | 25 | 6 | 13 | 14 | 14 | — |
Wind waves Height (m) Direction Period (s) | — | — | ESE 2 | ESE 4 | ESE 5 | ESE 4 | ESE 5 | ESE 6 | ESE 4 | E 6 | E 6 | E 6 | ENE 5 | E 8 | E 8 | — | — | — | — | — | SSE 9 |
| kJ | — | — | 1 | 18 | 15 | 20 | 19 | 20 | 17 | 31 | 52 | 97 | 126 | 287 | 224 | — | — | — | — | — | 471 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 657 | 0 | 982 | 1450 | 619 | 3 | 733 | 619 | 733 | 775 | 657 |
Best forecast wave conditions in Okinawa | |||||||||||||||||||||
Best forecast wave conditions in Japan | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Californias surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Californias Surf forecast
The above surf forecast table for Californias provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Californias can be found by selecting the local surf guide option on the grey menu. Our Californias 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 (Californias) 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 Californias 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.
Californias is 5 km (3 miles) from Misato. If you plan a holiday in Okinawa, look for hotels and other accommodation in Misato. Misato has rooms for a wide range of budgets as well as car hire and transport links.
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