Surf Forecasts:
Blacks Beach surf forecast from 20 Aug 2026:
- Best quality surf: Monday 24 Aug, 5AM (local time) - 2.5ft (0.8m), 14s period, SSW swell with glassy winds.
- Most powerful swell: Tuesday 25 Aug, 2AM (local time) - 2.5ft (0.8m), 17s period, SW swell with 330 kJ wave energy.
- Next surfable swell (1★+): Thursday 20 Aug, 2AM (local time) - 2.5ft (0.8m), 15s period with SSW 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 (Aug 20) at 2AM. The primary swell is predicted to be 0.8m and 15s period with a secondary swell of 0.7m and 6s. 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 0.8m 17s and forecast to arrive on Tuesday (Aug 25) at 2AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 12s period and expected on Wednesday (Aug 26) at 8AM.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Thu 20th Aug) | 2.5ft (0.8m) 15s |
| Best Surf | 5AM (Mon 24th Aug) | 2.5ft (0.8m) 14s |
| Most Powerful | 2AM (Tue 25th Aug) | 2.5ft (0.8m) 17s |
Table - best surf conditions forecast for Blacks Beach over the next 16 days.
The Lowdown
G’day, Rusty here. Talkin’ about the next couple weeks, and honestly, the surf’s gonna be a slow burn. We got a long stretch of not much, then a little spike that might be worth a look. The first real chance to paddle out doesn’t show till Friday the 28th of August, and even then, it’s nothin’ epic. After that, a little bump of energy builds into the end of the month, but the quality’s up and down. Here’s the breakdown.
Right now, we’re lookin’ at a gap of about nine days with no decent waves. The first hint of surf comes through on Friday the 28th of August at Blacks Beach. Wind’s out of the WNW at 9 mph, a little cross-onshore, so a bit of texture on the face. Swell’s 3 ft from the SSW with a long period of 19 seconds, givin’ moderate energy (498). That long period means it’ll have some punch, but on a beach break like this, it can straighten out a bit – better over a reef or point. Still, it’s the first pulse. Conditions are a bit choppy, so it’s marginal at best.
The best of the whole stretch lines up for Saturday the 29th of August. The morning at Blacks Beach sees a clean offshore breeze out of the W at 6 mph – glassy, perfect. Swell hits 4 ft from the SSW with a 16-second period, and the energy jumps to 674. That’s the most juice we see, and with light offshore wind, it’ll be tidy. Water temp’s 71°, a touch warmer than usual, so it’s comfortable. The afternoon holds 4 ft swell from the same direction (energy 764), but the wind turns to a gentle WNW at 9 mph – still offshore, just a little more breeze. This is your standout. It’s not big, but it’s clean, and the wind is a major plus. Crowds? This spot’s consistent and exposed, so expect company on a Saturday.
Sunday the 30th keeps similar size, 4 ft in the morning from the SSW (energy 683) with light WSW winds at 6 mph – offshore and clean. Afternoon drops to 4 ft with a bit more west wind. Still surfable, but energy fades.
After that, it’s back to small and poor. Monday the 31st brings a moderate cross-onshore breeze at 12 mph, choppin’ it up. From September 1st onward, it’s tiny 2 ft to 2 ft swells, mostly poor conditions. The very last entry on Thursday the 3rd of September afternoon has a 2 ft swell (150 energy) but glassy conditions – maybe a dribbler if you’re keen.
Bottom line: your best bet is Saturday the 29th of August at Blacks Beach, especially the morning glass-off with 4 ft of clean groundswell. It’s the most reliable wave in this whole outlook. Get out there before it fades.
Rusty.
Short Range ForecastMostly dry. Warm (max 24°C on Fri morning, min 21°C on Wed night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 25°C on Sun morning, min 22°C on Sat night). Wind will be generally light. | |||||||||||||||||||
Wed 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | ||||||||||||||
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 16 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SW 17 | SSW 13 | SSW 14 | SSW 15 | SW 19 | SW 18 | SSW 14 | SW 18 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 |
Wave Graph | ||||||||||||||||||||
387 | 242 | 239 | 236 | 170 | 156 | 137 | 98 | 90 | 239 | 222 | 224 | 197 | 273 | 194 | 177 | 330 | 264 | 208 | 203 | |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | glassy | cross-on | cross-on | glassy | cross-on | on | glassy | on | on | on | on | on | cross-on | on | on | on | on | on | cross-on |
High Tide | 2:37PM1.45m | 3:54PM1.43m | 8:26AM1.03m | 5:14PM1.47m | 8:32AM1.09m | 6:16PM1.55m | 8:46AM1.14m | 7:02PM1.65m | 9:01AM1.19m | 7:40PM1.74m | 9:17AM1.24m | 8:14PM1.81m | ||||||||
Low Tide | 11:03PM0.41m | 00:25AM0.30m | 10:32AM1.01m | 1:16AM0.18m | 12:09PM0.97m | 1:53AM0.09m | 12:58PM0.88m | 2:23AM0.01m | 1:35PM0.78m | 2:50AM-0.04m | 2:08PM0.68m | 3:14AM-0.07m | ||||||||
— | — | 6:15 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — | 6:18 | — | — | 6:18 | — | — | |
7:30 | — | — | 7:29 | — | — | 7:27 | — | — | 7:25 | — | — | 7:24 | — | — | 7:23 | — | — | 7:22 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 22 | 22 | 23 | 23 | 22 | 24 | 24 | 22 | 24 | 24 | 23 | 25 | 24 | 23 | 24 | 24 | 22 | 24 | 24 | 22 |
Feels °C | 22 | 24 | 24 | 23 | 24 | 25 | 24 | 24 | 24 | 24 | 24 | 25 | 24 | 25 | 24 | 24 | 23 | 24 | 24 | 22 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | W 6 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | W 7 | SSW 14 | SSW 15 | W 6 | W 6 | SSW 14 | W 6 | SW 17 | W 6 | SW 16 | SW 16 | W 6 |
387 | 35 | 239 | 236 | 170 | 156 | 137 | 98 | 33 | 239 | 222 | 54 | 38 | 273 | 24 | 177 | 54 | 264 | 208 | 78 | |
Swell 2 Height (m) Direction Period (s) | W 7 | SSW 15 | W 6 | W 6 | W 6 | W 7 | W 6 | W 6 | SSW 13 | W 6 | W 6 | SSW 13 | SSW 13 | W 6 | SW 18 | SSW 13 | SW 17 | S 13 | S 13 | S 13 |
57 | 242 | 38 | 28 | 19 | 32 | 20 | 11 | 90 | 29 | 25 | 98 | 135 | 22 | 194 | 93 | 330 | 126 | 87 | 163 | |
Swell 3 Height (m) Direction Period (s) | W 14 | SW 18 | SW 19 | WNW 13 | WNW 12 | SW 18 | SSW 16 | SW 17 | SW 18 | SW 19 | SW 19 | SW 19 | SW 18 | SW 18 | SSW 12 | S 15 | S 13 | S 10 | S 10 | SW 16 |
4 | 50 | 57 | 16 | 28 | 81 | 51 | 77 | 51 | 57 | 58 | 224 | 197 | 199 | 87 | 38 | 126 | 9 | 7 | 203 | |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 6 | — | WNW 6 | W 6 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 32 | — | 68 | 81 | — | |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 27 | 0 | 144 | 27 | 0 | 125 | 27 | 0 | 27 | 26 | 2 | 27 | 26 | 26 | 26 | 26 | 5 | 27 | 26 | 26 |
Best forecast wave conditions in San Diego County | ||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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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.











