Surf Forecasts:
Japs Cove surf forecast from 22 Aug 2026:
- Best quality surf: Saturday 29 Aug, 5AM (local time) - 3ft (0.9m), 18s period, SSW swell with glassy winds.
- Most powerful swell: Wednesday 26 Aug, 11PM (local time) - 3.5ft (1.1m), 14s period, S swell with 496 kJ wave energy.
- Next surfable swell (1★+): Saturday 22 Aug, 5AM (local time) - 1.5ft (0.4m), 13s period with SSW swell.
Best Forecast Surf Conditions for Japs Cove this week:
The surf forecast for Japs Cove over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Aug 22) at 5AM. The primary swell is predicted to be 0.4m and 13s period with a secondary swell of 0.5m and 6s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Japs Cove in the next 16 days are 1.1m 14s and forecast to arrive on Wednesday (Aug 26) at 11PM. Winds are predicted to be cross-onshore at the time the swell arrives.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Sat 22nd Aug) | 1.5ft (0.4m) 13s |
| Best Surf | 5AM (Sat 29th Aug) | 3ft (0.9m) 18s |
| Most Powerful | 11PM (Wed 26th Aug) | 3.5ft (1.1m) 14s |
Table - best surf conditions forecast for Japs Cove over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s have a look at what’s on the cards for Japs Cove.
This is a tricky little reef setup, and to be honest, it’s looking like a slow start. The first couple of days are a write-off with tiny, weak swell and poor conditions. We’ve got a bit of a wait on our hands.
Overall Pattern
The outlook kicks off on Saturday the 22nd of August, but it’s not a time to get excited. The swell is a paltry 1ft from the SW, and while the morning is glassy, it’s just not enough to do anything with. The combined wave energy is weak (107). The afternoon gets chopped up by a 12 mph cross-shore wind. This theme continues through Sunday and Monday – tiny 1ft swell, light to moderate cross-onshore winds, and conditions that are poor for surfing. The energy is building but still modest (199-238), but the wind just ruins any chance of a clean wave.
The First Glimmer of Hope
Finally, on Tuesday the 25th of August, we get a bit of a window. The morning brings a glassy surface with a 2ft SW swell, and the energy is starting to feel more solid at 249. The water temp is about average for the time of year, so no surprises there. The conditions are described as "surfable waves but very ordinary." It’s not a standout, but it’s the first chance to get wet. The afternoon, however, goes back to being choppy and messy.
The rest of the week is a frustrating mix. Wednesday afternoon the 26th sees the swell bump to 3ft from the S with a 16-second period, and the energy jumps to 493 – that’s a decent slug of power. But the wind is onshore, making it "marginal." Thursday the 27th has a similar story: 3ft from the SSW, good energy (417), but the onshore wind keeps it from being clean. It’s a classic case of “so close, yet so far.”
The Best Bites
Honestly, there are no true standouts in this entire 16-day run. The best you’ll get are a few mornings where the wind drops and the swell is just about rideable. The morning of Tuesday the 1st of September is worth a mention: glassy conditions, 2ft SSW swell, and combined energy of 182. It’s small, but it’s clean. You’ll be on a longboard, but you’ll be smiling.
The most powerful swell arrives around the 5th and 6th of September. The combined energy is strong, hitting 795 on the Saturday morning and 838 on the Saturday afternoon. The swell is 3ft to 4ft from the SSE with a 15-second period – that’s a long-period groundswell that will have some serious push. However, the wind is cross-onshore, leaving it as "marginal" at best. For a sheltered reef like Japs Cove, a long-period SSE swell is a tricky angle, and the onshore wind won’t help. The Sunday morning of the 6th of September also has a 4ft SSE swell, with the energy at 764, but again, the wind is a problem.
The Verdict
If you’re desperate, the Tuesday morning of the 25th of August is your first real chance. The cleanest session will probably be the Tuesday morning of the 1st of September. The big energy days around the 5th and 6th of September are the most powerful, but the wind and direction will likely keep them from being perfect. For a sheltered reef, the strong onshore component will make it a frustrating paddle. This setup might actually be more interesting for the kite boarders on those days.
Stay patient, check the wind obs, and don't get your hopes up too high for perfection.
Rusty.
Short Range ForecastMostly dry. Warm (max 25°C on Sun afternoon, min 21°C on Fri night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 25°C on Tue morning, min 23°C on Mon night). Wind will be generally light. | ||||||||||||||||||
Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | ||||||||||||||
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) | SSW 13 | SW 18 | SW 18 | SSW 14 | SW 19 | SW 18 | SW 18 | SW 18 | SW 17 | SW 17 | SW 16 | SW 16 | W 7 | SW 16 | S 16 | S 14 | S 12 | SSW 14 | SSW 14 |
Wave Graph | |||||||||||||||||||
68 | 50 | 50 | 120 | 126 | 111 | 112 | 111 | 98 | 173 | 169 | 127 | 134 | 122 | 310 | 366 | 136 | 356 | 123 | |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | cross | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | glassy | cross-on | cross | cross-on | on | cross-on | cross-on | on | cross-on |
High Tide | 8:37AM1.43m | 6:14PM1.92m | 8:51AM1.49m | 7:01PM2.01m | 9:07AM1.54m | 7:41PM2.10m | 9:25AM1.60m | 8:16PM2.17m | 9:44AM1.66m | 8:51PM2.19m | 10:04AM1.73m | 9:25PM2.16m | |||||||
Low Tide | 1:17AM0.53m | 12:01PM1.32m | 1:55AM0.42m | 12:56PM1.25m | 2:26AM0.34m | 1:36PM1.16m | 2:54AM0.28m | 2:11PM1.06m | 3:20AM0.24m | 2:46PM0.96m | 3:44AM0.25m | 3:22PM0.87m | 4:08AM0.30m | ||||||
— | 6:20 | — | — | 6:20 | — | — | 6:20 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | |
— | — | 7:31 | — | — | 7:30 | — | — | 7:29 | — | — | 7:28 | — | — | 7:27 | — | — | 7:24 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 22 | 23 | 24 | 23 | 24 | 25 | 23 | 24 | 25 | 23 | 25 | 25 | 25 | 24 | 25 | 24 | 24 | 24 | 23 |
Feels °C | 23 | 25 | 25 | 22 | 25 | 24 | 22 | 25 | 25 | 22 | 26 | 23 | 24 | 25 | 26 | 24 | 25 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | W 5 | W 6 | SSW 12 | SSW 14 | W 6 | SSW 13 | W 5 | W 6 | SW 17 | W 6 | W 6 | SW 16 | W 7 | W 6 | S 16 | W 7 | S 12 | SSW 14 | W 7 |
14 | 15 | 31 | 120 | 15 | 57 | 21 | 21 | 98 | 30 | 23 | 127 | 134 | 51 | 310 | 116 | 136 | 356 | 71 | |
Swell 2 Height (m) Direction Period (s) | SSW 13 | SW 13 | SSW 15 | W 5 | SSW 13 | SW 18 | S 14 | S 14 | SSW 12 | SW 17 | SW 16 | SSW 13 | S 13 | S 12 | S 11 | S 14 | W 6 | W 12 | SSW 14 |
68 | 42 | 42 | 13 | 58 | 111 | 103 | 106 | 29 | 173 | 169 | 57 | 80 | 97 | 61 | 366 | 32 | 25 | 123 | |
Swell 3 Height (m) Direction Period (s) | SW 17 | SW 18 | SW 18 | SW 19 | SW 19 | S 16 | SW 18 | SW 18 | S 14 | SSW 13 | SSW 13 | SSE 12 | SW 16 | SW 16 | SW 16 | SW 15 | S 14 | S 24 | S 11 |
47 | 50 | 50 | 58 | 126 | 20 | 112 | 111 | 37 | 58 | 57 | 14 | 124 | 122 | 87 | 75 | 97 | 11 | 85 | |
Wind waves Height (m) Direction Period (s) | — | — | W 5 | — | — | W 5 | — | — | W 5 | — | — | W 6 | — | — | W 6 | — | — | W 6 | — |
— | — | 8 | — | — | 13 | — | — | 20 | — | — | 30 | — | — | 35 | — | — | 25 | — | |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 0 | 51 | 0 | 83 | 127 | 22 | 83 | 83 | 0 | 0 | 77 | 9 | 10 | 11 | 9 | 11 | 41 | 9 |
Best forecast wave conditions in Los Angeles County | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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Information about the Japs Cove Surf forecast
The above surf forecast table for Japs Cove provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Japs Cove can be found by selecting the local surf guide option on the grey menu. Our Japs Cove 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 (Japs Cove) 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 Japs Cove 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.
Japs Cove is 5 km (3 miles) from Rancho Palos Verdes. If you plan a vacation in Los Angeles County, look for hotels and other accommodation in Rancho Palos Verdes. Rancho Palos Verdes has rooms for a wide range of budgets as well as car hire and transport links.











