Surf Forecasts:
Blacks Beach surf forecast from 2 Sep 2026:
- Best quality surf: Thursday 3 Sep, 2AM (local time) - 2.5ft (0.7m), 17s period, SW swell with glassy winds.
- Most powerful swell: Monday 7 Sep, 11AM (local time) - 10ft (3.0m), 14s period, SSW swell with 3,154 kJ wave energy.
- Next surfable swell (1★+): Thursday 3 Sep, 2AM (local time) - 2.5ft (0.7m), 17s period with SW swell.
Best Forecast Surf Conditions for Blacks Beach this week:
The surf forecast for Blacks Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Sep 03) at 2AM. The primary swell is predicted to be 0.7m and 17s period with a secondary swell of 0.9m and 6s. Another secondary swell of 0.9m and 12s is also forecast. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Blacks Beach in the next 16 days are 3.0m 14s and forecast to arrive on Monday (Sep 07) at 11AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.4m 14s period and expected on Monday (Sep 07) at 5AM.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Thu 3rd Sep) | 2.5ft (0.7m) 17s |
| Best Surf | 2AM (Thu 3rd Sep) | 2.5ft (0.7m) 17s |
| Most Powerful | 11AM (Mon 7th Sep) | 10ft (3.0m) 14s |
Table - best surf conditions forecast for Blacks Beach over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s take a look at what’s on the menu for the next couple of weeks.
Right now, the ocean is looking pretty flat and uninspiring. We’ve got a long stretch of poor conditions ahead with very little to get excited about. The first few days of September are a write-off, with tiny swell and onshore winds making a mess of things. Honestly, you’d be better off doing something else.
We have to wait until the morning of the 4th of September for the first hint of something rideable, but even then it’s only marginal. The better looking window starts to shape up around the 7th of September. That’s when we see a solid pulse of energy coming through. The standout is going to be the morning of Monday the 7th of September at Blacks Beach. The swell is pumping in at 10 ft from the SSW, with a period of 14 seconds, and the combined energy is massive at 3154 – that’s serious power. The wind is offshore from the WNW, blowing at 9 mph, so the surface should be clean. But listen, this is a big, powerful swell. At over 8 ft, this is expert territory only. It’s a consistent, exposed break, and it’s likely to be crowded. The water temp is a wild 5° warmer than usual for this time of year, sitting at 76°F, which is very unusual.
The Monday afternoon sees the same size swell at 10 ft from the SSW, but the wind swings cross-onshore from the NW, making it choppier. The energy is still massive at 3076, but the quality drops.
Wednesday the 9th of September sees a big drop in size, with clean 2 ft to 2 ft swells from the SW and light offshore winds, but the energy is weak.
The only other real highlight is a very early morning session on the 15th of September. The swell is only 2 ft from the WSW, but the wind is glassy – zero wind – and the energy is a weak 312. It’s a small, clean option for a longboard or a fun log, but that’s all.
Honestly, for the next 16 days, the 7th of September morning is your best bet if you’re an advanced surfer. Everything else is small, weak, or blown out.
Stay sharp, catch the big one if you can handle it.
Rusty.
Short Range ForecastMostly dry. Warm (max 22°C on Wed morning, min 19°C on Tue night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 2mm), mostly falling on Sun morning. Warm (max 27°C on Sun morning, min 21°C on Fri night). Wind will be generally light. | |||||||||||||||||||
Tue 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | ||||||||||||||
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 13 | SSW 13 | SW 16 | SSW 13 | SW 17 | SW 15 | SW 18 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | W 10 | WNW 6 | W 12 | W 11 | SSW 14 | SSW 14 | SSW 12 |
Wave Graph  | ||||||||||||||||||||
 kJ | 114 | 92 | 132 | 242 | 295 | 239 | 460 | 651 | 587 | 717 | 620 | 512 | 620 | 51 | 12 | 11 | 21 | 3154 | 3076 | 1407 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | on | glassy | on | on | on | cross-on | on | cross | cross-on | on | cross | cross-on | cross-on | cross-on | on | cross-on | cross-on |
High Tide | 00:55AM1.06m | 12:47PM1.67m | 2:36AM0.89m | 1:44PM1.64m | 3:09PM1.63m | 7:22AM1.02m | 4:44PM1.68m | 7:45AM1.14m | 6:01PM1.78m | 8:11AM1.26m | 7:02PM1.88m | |||||||||
Low Tide | 6:59PM0.30m | 5:59AM0.60m | 8:20PM0.30m | 6:22AM0.75m | 10:05PM0.25m | 11:38PM0.12m | 9:52AM0.98m | 00:42AM-0.03m | 11:47AM0.90m | 1:30AM-0.14m | 12:54PM0.73m | 2:10AM-0.20m | ||||||||
 |  | | | | | | | | | |  |  |  |  | |  | | | | |
 | — | — | 6:22 | — | — | 6:24 | — | — | 6:24 | — | — | 6:24 | — | — | 6:26 | — | — | 6:26 | — | — |
 | 7:14 | — | — | 7:13 | — | — | 7:10 | — | — | 7:09 | — | — | 7:08 | — | — | 7:07 | — | — | 7:06 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 1 | — | — | — |
Temp °C | 21 | 21 | 22 | 22 | 21 | 22 | 22 | 21 | 22 | 22 | 21 | 23 | 23 | 25 | 27 | 27 | 26 | 27 | 26 | 25 |
Feels °C | 19 | 21 | 21 | 20 | 20 | 22 | 20 | 21 | 22 | 21 | 22 | 23 | 23 | 24 | 27 | 27 | 28 | 28 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | S 10 | W 5 | W 6 | SSW 13 | W 6 | W 7 | SW 18 | SSW 18 | SSW 17 | SSW 16 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | SSW 14 | SSW 14 | SSW 12 |
| kJ | 106 | 37 | 34 | 242 | 54 | 89 | 460 | 651 | 587 | 717 | 713 | 918 | 818 | 1324 | 1735 | 1922 | 2097 | 3154 | 3076 | 1407 |
Swell 2 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SSW 11 | W 6 | SSW 12 | SSW 11 | SSW 10 | W 6 | WNW 6 | S 14 | SSW 16 | SSW 16 | SSW 16 | W 10 | WNW 6 | W 12 | W 11 | — | — | SW 18 |
| kJ | 114 | 92 | 74 | 33 | 199 | 138 | 55 | 40 | 51 | 423 | 620 | 512 | 620 | 51 | 12 | 11 | 21 | — | — | 50 |
Swell 3 Height (m) Direction Period (s) | SW 18 | S 9 | SW 16 | SW 16 | SW 17 | SW 15 | SW 12 | SW 11 | SSE 15 | W 6 | SW 12 | SW 11 | SW 11 | WNW 13 | — | — | — | — | — | — |
| kJ | 80 | 41 | 132 | 129 | 295 | 239 | 72 | 61 | 237 | 24 | 66 | 45 | 40 | 17 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 6 | — | — | — | — | — | W 6 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 30 | — | — | — | — | — | 47 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 27 | 13 | 26 | 27 | 0 | 27 | 27 | 2 | 27 | 27 | 8 | 26 | 38 | 11 | 11 | 26 | 8 | 26 | 27 | 72 |
Best forecast wave conditions in San Diego County | ||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||
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Information about the Blacks Beach Surf forecast
The above surf forecast table for Blacks Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Blacks Beach can be found by selecting the local surf guide option on the grey menu. Our Blacks Beach 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 (Blacks Beach) 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 Blacks Beach 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.
Blacks Beach is 13 km (8 miles) from the city of 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.
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