
Surf Forecasts:
Big Rock surf forecast from 12 Jul 2026:
- Best quality surf: Tuesday 14 Jul, 8AM (local time) - 2ft (0.6m), 13s period, SW swell with glassy winds.
- Most powerful swell: Sunday 19 Jul, 2AM (local time) - 5ft (1.6m), 11s period, S swell with 652 kJ wave energy.
- Next surfable swell (1★+): Tuesday 14 Jul, 8AM (local time) - 2ft (0.6m), 13s period with SW swell.
Best Forecast Surf Conditions for Big Rock this week:
The surf forecast for Big Rock over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Jul 14) at 8AM. The primary swell is predicted to be 0.6m and 13s period with a secondary swell of 0.3m and 12s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Big Rock in the next 16 days are 1.6m 11s and forecast to arrive on Sunday (Jul 19) at 2AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Friday (Jul 17) at 5AM.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Tue 14th Jul) | 2ft (0.6m) 13s |
| Best Surf | 8AM (Tue 14th Jul) | 2ft (0.6m) 13s |
| Most Powerful | 2AM (Sun 19th Jul) | 5ft (1.6m) 11s |
Table - best surf conditions forecast for Big Rock over the next 16 days.
Hey folks, Rusty here. Let’s talk about the next couple of weeks at Big Rock.
Overall, it’s a tough run. We’re looking at a long stretch of poor or marginal conditions, with a hint of something better way out around the 22nd and 23rd of July. The water temp is a real standout right now – 71°F, which is a whopping 5°F warmer than usual for this time of year. That’s a seriously warm anomaly, feels more like a mid-summer bath than a typical July.
For the first week or so, it’s pretty grim. From Sunday the 12th right through to Friday the 17th, the swell is small and weak, mostly bouncing around 2ft to 3ft, with combined wave energy mostly in the low to mid hundreds (300 to 450). The wind is a killer – consistently onshore or cross-onshore, making for choppy, messy conditions. The wave comment tells the story: “poor surf conditions” for nearly every session. There’s nothing to get excited about here.
Into the weekend of the 18th and 19th, the swell picks up a touch, with chest-high waves around 4ft to 4ft from the S and SW, but the energy is moderate (869 to 789). The wind is still cross-onshore, so it’s going to be bumpy. The surf is still only “marginal” at best. It’s a tough slog.
Now, the real glimmer of hope arrives on Wednesday the 22nd of July. The afternoon session sees a proper jump: a solid 6ft swell from the SSW, with a period of 15 seconds. That’s a groundswell with some real grunt, and the combined energy hits a strong 1247. The wind is a gentle cross-shore, which is a huge plus. This is the best on offer for the whole outlook. It’s a reef break, so that long period (15s) should wrap in nicely and offer some good shape, but it’s also a big boy wave at 6ft – definitely one for the experienced crew. The following morning, Thursday the 23rd, keeps the momentum with a 6ft SSW swell, period 14 seconds, and energy at 1405, but the wind switches to a light cross-onshore, which will introduce a bit of texture. That Thursday afternoon also holds 6ft, but the wind picks up to a gentle breeze cross-onshore, making it a bit choppier. These are the standout days, but they are a long way out, so keep one eye on the charts.
After that, it fades again. The 24th and 25th see the swell drop back to 4ft to 6ft, but the wind gets stronger and more onshore, killing the quality. The final few days are back to tiny, weak surf with bumpy winds.
If you’re a beginner, this stretch is a no-go. The only real window of decent, clean waves is the 22nd and 23rd, and the swell is over 5ft, so it’s borderline for intermediates. For the experts, that Wednesday afternoon on the 22nd is the one to circle. The rest of the run is a write-off for paddle surfing – honestly, with the wind and chop, a kite would be more fun on those choppy days.
Stay patient, and hope the long-range forecast firms up.
Rusty
Short Range ForecastMostly dry. Warm (max 23°C on Tue morning, min 19°C on Sun morning). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 23°C on Wed morning, min 20°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Sunday 12 | Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | |||||||||||||||
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) | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SW 13 | SW 13 | SSW 12 | SW 18 | SW 18 | SW 18 | SW 16 | WSW 16 | W 8 | W 9 | W 9 | SW 19 | SW 18 | S 15 | S 14 | S 13 | S 11 |
Wave Graph | |||||||||||||||||||||
362 | 367 | 318 | 277 | 140 | 183 | 136 | 154 | 249 | 150 | 130 | 171 | 210 | 230 | 148 | 181 | 102 | 212 | 482 | 495 | 652 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | on | on | on | on | on | on | on | cross-on | on | cross | cross | cross | cross | cross | cross | cross-off | cross-on | cross-on | cross-on |
High Tide | 9:21AM1.09m | 7:58PM2.13m | 10:03AM1.16m | 8:48PM2.18m | 10:43AM1.22m | 9:37PM2.16m | 11:24AM1.28m | 10:25PM2.06m | 12:05PM1.33m | 11:13PM1.89m | 12:46PM1.38m | 00:02AM1.65m | 1:30PM1.42m | 00:55AM1.38m | |||||||
Low Tide | 1:29PM0.71m | 3:28AM-0.47m | 2:25PM0.66m | 4:11AM-0.50m | 3:18PM0.61m | 4:54AM-0.46m | 4:11PM0.57m | 5:35AM-0.36m | 5:06PM0.56m | 6:14AM-0.21m | 6:05PM0.57m | 6:52AM-0.02m | 7:12PM0.59m | ||||||||
5:48 | — | — | 5:50 | — | — | 5:50 | — | — | 5:50 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — | |
— | 7:59 | — | — | 7:59 | — | — | 7:58 | — | — | 7:58 | — | — | 7:57 | — | — | 7:57 | — | — | 7:55 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 20 | 20 | 21 | 22 | 21 | 23 | 22 | 21 | 23 | 23 | 23 | 21 | 22 | 20 | 21 | 21 | 23 | 24 | 24 | 23 |
Feels °C | 20 | 20 | 21 | 21 | 22 | 22 | 22 | 21 | 21 | 24 | 23 | 23 | 21 | 21 | 19 | 20 | 19 | 24 | 24 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SW 13 | SW 13 | SSW 12 | SW 13 | SSW 13 | W 7 | WNW 8 | W 8 | W 8 | W 9 | W 9 | W 8 | W 8 | S 15 | S 14 | S 13 | S 11 |
362 | 367 | 318 | 277 | 140 | 183 | 136 | 57 | 113 | 47 | 94 | 93 | 210 | 230 | 148 | 88 | 68 | 212 | 482 | 495 | 652 | |
Swell 2 Height (m) Direction Period (s) | WNW 9 | SW 21 | W 9 | WNW 9 | S 14 | SW 19 | SW 19 | SSW 12 | SW 18 | SW 12 | SSW 12 | WSW 16 | SW 16 | SW 16 | WSW 15 | WSW 14 | SW 14 | WSW 15 | SW 18 | SW 18 | W 16 |
15 | 18 | 6 | 8 | 101 | 133 | 93 | 52 | 249 | 77 | 56 | 171 | 203 | 122 | 144 | 82 | 102 | 146 | 366 | 249 | 76 | |
Swell 3 Height (m) Direction Period (s) | W 24 | SW 21 | WSW 21 | SW 21 | SW 19 | W 3 | W 15 | SW 18 | W 14 | SW 18 | SW 16 | SSW 12 | SW 12 | SSW 12 | SW 19 | SW 19 | SW 18 | W 8 | W 8 | SW 13 | SW 16 |
11 | 18 | 45 | 18 | 96 | 2 | 19 | 154 | 16 | 150 | 130 | 56 | 37 | 27 | 129 | 181 | 83 | 37 | 21 | 45 | 67 | |
Wind waves Height (m) Direction Period (s) | — | WNW 9 | — | — | W 5 | — | WNW 9 | W 3 | W 4 | — | — | — | — | S 3 | SSE 3 | S 4 | — | — | — | — | — |
— | 15 | — | — | 2 | — | 17 | 2 | 3 | — | — | — | — | 3 | 3 | 8 | — | — | — | — | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 18 | 18 | 18 | 18 | 18 | 18 | 266 | 18 | 18 | 18 | 18 | 3 | 127 | 127 | 42 | 150 | 150 | 0 | 18 | 18 | 1 |
Best forecast wave conditions in San Diego County | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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Information about the Big Rock Surf forecast
The above surf forecast table for Big Rock provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Big Rock can be found by selecting the local surf guide option on the grey menu. Our Big Rock 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 (Big Rock) 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 Big Rock 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.
Big Rock is 11 km (7 miles) from San Diego. If you plan a vacation in San Diego County, look for hotels and other accommodation in San Diego. San Diego has rooms for a wide range of budgets as well as car hire and transport links.










