Surf Forecasts:
Californias surf forecast from 29 Aug 2026:
- Best quality surf: Monday 31 Aug, 12PM (local time) - 4.5ft (1.3m), 9s period, E swell with offshore winds.
- Most powerful swell: Monday 31 Aug, 12PM (local time) - 4.5ft (1.3m), 9s period, E swell with 263 kJ wave energy.
- Next surfable swell (1★+): Monday 31 Aug, 12PM (local time) - 4.5ft (1.3m), 9s 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 Monday (Aug 31) at 12PM. The primary swell is predicted to be 1.3m and 9s 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 1.3m 9s and forecast to arrive on Monday (Aug 31) at 12PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 12s period and expected on Wednesday (Sep 02) at 6PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12PM (Mon 31st Aug) | 4.5ft (1.3m) 9s |
| Best Surf | 12PM (Mon 31st Aug) | 4.5ft (1.3m) 9s |
| Most Powerful | 12PM (Mon 31st Aug) | 4.5ft (1.3m) 9s |
Table - best surf conditions forecast for Californias over the next 16 days.
The Lowdown
Alright, Rusty here. Let's have a look at what's on the cards for Californias.
Honestly, the next week and a half is a write-off. We're looking at a long, flat spell with tiny, weak swell and nothing worth paddling out for. You'll see a few 0.7ft waves mid-week, but with poor surf quality flagged across the board, it's not worth getting wet. The wind sticks in from the east, often cross-off or offshore, keeping the water clean, but there's just no energy – the combined energy barely hits double digits (14) at best.
That all changes around the second weekend. Saturday, the 12th of September, we start to see some life. The morning throws up a 13ft swell from the NE, but the wind is cross-shore and messy, making it a bit of a wrestle. The real standout is Saturday afternoon – a solid 26ft of swell marching in from the NNE with a period of 10 seconds. The combined energy is massive (14,670), and while the wind is still cross-shore, the size is undeniable. This is a big, powerful groundswell and only for the experts; the crowd factor is likely at this stage.
Sunday, the 13th of September, is the pick of the bunch. The swell drops a touch to 20ft-26ft from the west, with a longer period of 12 seconds, and the wind cleans right up into a nice cross-off from the north. The energy is enormous (17,512 on Sunday morning, 13,365 on Sunday afternoon). This is a proper, clean west groundswell hitting the reef, and with that offshore wind, it's going to be beautifully groomed. It's still a heavy, expert-only wave, but the quality is there.
Monday the 14th still has some size, 13ft from the NW with a 13-second period, but the wind picks up a bit, dropping the quality down a notch.
So, there's a long wait, but by the second weekend, the surf gods finally wake up. The standout is Sunday the 13th of September – that's the one to circle. Big, clean, and powerful. The water temp is about average for the time of year.
Rusty, signing off.
Short Range ForecastModerate rain (total 14mm), heaviest on Tue afternoon. Warm (max 29°C on Sun morning, min 26°C on Sun night). Mainly fresh winds. | Days 5-7 Weather SummaryHeavy rain (total 52mm), heaviest during Wed afternoon. Warm (max 29°C on Fri morning, min 26°C on Wed afternoon). Mainly fresh winds. | ||||||||||||||||||
Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | ||||||||||||||
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) | E 8 | ENE 12 | ENE 12 | ENE 11 | ENE 11 | E 9 | ESE 9 | E 15 | E 14 | E 14 | SSW 10 | E 12 | SSW 11 | ENE 11 | E 11 | E 9 | S 10 | SSW 10 | W 6 |
Wave Graph  | |||||||||||||||||||
 kJ | 29 | 14 | 14 | 13 | 12 | 0 | 0 | 4 | 16 | 16 | 0 | 12 | 0 | 12 | 9 | 101 | 0 | 0 | 7 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 8:14AM2.20m | 8:39PM2.14m | 8:52AM2.18m | 9:06PM2.15m | 9:32AM2.11m | 9:36PM2.12m | 10:17AM1.97m | 10:08PM2.07m | 11:11AM1.79m | 10:46PM1.98m | 12:27PM1.61m | 11:36PM1.86m | |||||||
Low Tide | 2:13AM0.58m | 2:31PM0.39m | 2:45AM0.47m | 3:01PM0.49m | 3:20AM0.42m | 3:33PM0.63m | 4:00AM0.41m | 4:07PM0.80m | 4:48AM0.46m | 4:45PM1.00m | 5:47AM0.54m | 5:33PM1.19m | |||||||
 |  | |  | |  |  |  | | | | | | | | | | | | |
 | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:09 | — | — | 6:09 | — | — |
 | 6:52 | — | 6:51 | — | — | 6:50 | — | — | 6:49 | — | — | 6:47 | — | — | 6:46 | — | — | 6:45 | — |
mm | — | — | — | — | — | — | 5 | 3 | 6 | 4 | 6 | 21 | 16 | 3 | 2 | — | — | — | — |
Temp °C | 28 | 29 | 29 | 27 | 29 | 29 | 27 | 27 | 28 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 29 | 29 | 27 |
Feels °C | 30 | 31 | 31 | 28 | 30 | 30 | 27 | 27 | 29 | 28 | 28 | 27 | 27 | 29 | 29 | 29 | 31 | 31 | 29 |
Swell 1 Height (m) Direction Period (s) | SSW 9 | S 9 | SSW 9 | S 9 | S 9 | S 9 | SW 9 | SW 10 | SSW 11 | SSW 11 | SSW 10 | SSW 11 | SSW 11 | SW 11 | SW 11 | SW 12 | S 10 | SSW 10 | SSW 9 |
| kJ | 147 | 76 | 82 | 39 | 41 | 39 | 26 | 102 | 563 | 846 | 653 | 1382 | 1037 | 627 | 361 | 338 | 221 | 160 | 116 |
Swell 2 Height (m) Direction Period (s) | E 8 | SW 9 | SW 8 | SW 8 | SW 9 | SW 10 | SSW 9 | SW 13 | E 14 | E 14 | — | E 12 | — | ENE 11 | S 9 | SSW 11 | ESE 9 | ESE 8 | SW 10 |
| kJ | 29 | 59 | 35 | 44 | 29 | 33 | 15 | 7 | 16 | 15 | — | 12 | — | 12 | 129 | 194 | 166 | 92 | 25 |
Swell 3 Height (m) Direction Period (s) | ENE 12 | ENE 12 | ENE 12 | ENE 11 | ENE 11 | — | — | E 15 | — | E 14 | — | — | — | E 18 | E 11 | E 9 | SW 10 | SW 10 | W 6 |
| kJ | 15 | 14 | 14 | 13 | 12 | — | — | 4 | — | 16 | — | — | — | 6 | 9 | 101 | 144 | 96 | 7 |
Wind waves Height (m) Direction Period (s) | SE 7 | ESE 7 | ESE 7 | ESE 7 | E 8 | E 9 | ESE 9 | ESE 8 | ESE 9 | ESE 8 | ESE 9 | SE 6 | SE 8 | SE 8 | ESE 8 | SE 9 | SSE 3 | SE 4 | ESE 7 |
| kJ | 57 | 54 | 75 | 74 | 137 | 355 | 727 | 588 | 408 | 246 | 294 | 202 | 667 | 337 | 191 | 159 | 4 | 8 | 86 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 601 | 4 | 4 | 4 | 705 | 1000 | 657 | 609 | 609 | 4 | 17 | 601 | 609 | 601 | 609 | 609 | 609 | 4 | 4 |
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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