Surf Forecasts:
Blacks Beach surf forecast from 13 Aug 2026:
- Best quality surf: Friday 14 Aug, 8AM (local time) - 3ft (0.9m), 15s period, SW swell with glassy winds.
- Most powerful swell: Saturday 15 Aug, 2AM (local time) - 4.5ft (1.3m), 17s period, SSW swell with 921 kJ wave energy.
- Next surfable swell (1★+): Friday 14 Aug, 5AM (local time) - 2.5ft (0.8m), 15s 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 Friday (Aug 14) at 5AM. The primary swell is predicted to be 0.8m and 15s period with a secondary swell of 0.4m and 20s. 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 1.3m 17s and forecast to arrive on Saturday (Aug 15) at 2AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 11s period and expected on Thursday (Aug 13) at 11AM.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Fri 14th Aug) | 2.5ft (0.8m) 15s |
| Best Surf | 8AM (Fri 14th Aug) | 3ft (0.9m) 15s |
| Most Powerful | 2AM (Sat 15th Aug) | 4.5ft (1.3m) 17s |
Table - best surf conditions forecast for Blacks Beach over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let's have a look at what this stretch has got for us.
It's a quiet outlook for the San Diego area. We're looking at a solid two-week stretch where the surf just isn't going to be doing much. There's a handful of days where the swell is showing, but the conditions are going to fight you every step of the way.
The best we've got, and it's a real "if you're desperate" call, is Blacks Beach (San Diego). The standout moment is on Saturday, the 15th of August. The morning has some clouds, with a 3ft swell from the SSW. The combined energy is moderate (615). The period's long at 16 seconds, which is a proper groundswell, so it'll have some push and shape. The wind is WNW at 9 mph and onshore. It's not glassy, but it's the least choppy you'll see. The afternoon swell bumps up to 4ft, still from the SSW, with strong energy (705) and the same long period. It's still onshore wind, but it's the biggest surf of the whole run. It won't be perfect, but for a wave, it's the only game in town. Crowds are often here, so expect company.
Now for the grim stuff. Thursday the 13th is a write-off with light cross-on winds and weak energy (270). The following Sunday the 16th through Friday the 28th is a long, sad run of poor surf conditions. The swell never gets above 3ft for most of it, often sitting at 2ft or 2ft. The winds are a mix of onshore and cross-on, with only light breezes, but the swell is just too small and weak to do anything with. The combined energy drops to as low as 157, which is barely a ripple.
If you're an advanced surfer used to Blacks, this is pretty grim reading. For everyone else, it's not even worth paddling out. The setup here is exposed, so the onshore winds even at 6 to 9 mph mess up what little shape there is. The one bit of good news: the water temperature is average for this time of year, so you won't be freezing your tail off for the *maybe* one ride you get.
So the call is simple: if you absolutely have to get wet, try Saturday the 15th. Otherwise, save your energy.
- Rusty
Short Range ForecastMostly dry. Warm (max 22°C on Fri morning, min 20°C on Thu morning). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 24°C on Tue morning, min 20°C on Sun morning). Wind will be generally light. | ||||||||||||||||||||
Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | |||||||||||||||
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) | SW 16 | SW 16 | SW 15 | SSW 18 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 16 | SSW 17 | SSW 15 | SSW 16 | SSW 16 | SSW 15 |
Wave Graph  | |||||||||||||||||||||
 kJ | 255 | 353 | 276 | 292 | 404 | 921 | 417 | 683 | 666 | 493 | 443 | 367 | 367 | 264 | 321 | 232 | 243 | 339 | 382 | 314 | 246 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | on | on | on | cross | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | glassy | on | on | cross | cross-on | cross-on | cross |
High Tide | 10:44AM1.46m | 10:14PM1.94m | 11:17AM1.52m | 10:58PM1.76m | 11:51AM1.56m | 11:43PM1.52m | 12:24PM1.56m | 00:31AM1.27m | 1:01PM1.54m | 1:34AM1.04m | 1:42PM1.49m | 3:28AM0.88m | 2:37PM1.45m | ||||||||
Low Tide | 4:07PM0.40m | 4:58AM-0.16m | 4:55PM0.37m | 5:30AM0.02m | 5:45PM0.38m | 5:59AM0.22m | 6:41PM0.41m | 6:27AM0.42m | 7:47PM0.45m | 6:50AM0.62m | 9:15PM0.47m | 7:07AM0.79m | 11:03PM0.41m | ||||||||
 | |  |  | |  |  | | | | | | | | | | | | | | | |
 | 6:09 | — | — | 6:11 | — | — | 6:11 | — | — | 6:11 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — |
 | — | 7:36 | — | — | 7:35 | — | — | 7:34 | — | — | 7:32 | — | — | 7:31 | — | — | 7:30 | — | — | 7:30 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 21 | 20 | 22 | 21 | 20 | 21 | 21 | 20 | 21 | 22 | 21 | 23 | 23 | 22 | 24 | 24 | 22 | 24 | 24 | 22 |
Feels °C | 22 | 21 | 21 | 22 | 20 | 20 | 21 | 21 | 20 | 22 | 21 | 20 | 23 | 22 | 22 | 25 | 24 | 23 | 25 | 24 | 23 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 15 | SW 15 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | W 6 | W 7 | W 8 | WNW 8 | W 9 | W 8 | W 8 | W 8 |
| kJ | 255 | 353 | 276 | 255 | 404 | 921 | 417 | 683 | 666 | 493 | 443 | 367 | 367 | 64 | 111 | 115 | 118 | 125 | 153 | 134 | 228 |
Swell 2 Height (m) Direction Period (s) | S 11 | S 11 | S 10 | SSW 18 | SW 14 | S 12 | SW 14 | S 11 | S 11 | W 6 | S 10 | W 6 | W 6 | SSW 14 | SSW 14 | SSW 16 | SSW 17 | SSW 15 | SSW 16 | SSW 16 | SSW 15 |
| kJ | 60 | 59 | 52 | 292 | 251 | 43 | 191 | 37 | 20 | 22 | 8 | 50 | 49 | 264 | 321 | 232 | 243 | 339 | 382 | 314 | 246 |
Swell 3 Height (m) Direction Period (s) | W 9 | SSW 21 | SSW 20 | S 11 | SSW 11 | WSW 8 | S 11 | W 11 | W 13 | S 11 | W 11 | S 10 | S 10 | SSW 18 | S 9 | SSW 13 | SSW 13 | S 9 | SW 20 | S 9 | SW 18 |
| kJ | 14 | 44 | 149 | 36 | 68 | 12 | 38 | 10 | 13 | 20 | 9 | 8 | 8 | 32 | 7 | 114 | 98 | 6 | 16 | 1 | 50 |
Wind waves Height (m) Direction Period (s) | — | W 8 | — | — | WNW 7 | — | WNW 5 | W 5 | W 5 | — | W 6 | — | — | WNW 6 | — | — | — | — | — | — | — |
| kJ | — | 12 | — | — | 10 | — | 7 | 12 | 19 | — | 31 | — | — | 85 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 145 | 27 | 9 | 27 | 26 | 10 | 27 | 26 | 26 | 26 | 27 | 23 | 26 | 26 | 0 | 27 | 27 | 2 | 5 | 206 | 5 |
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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