Surf Forecasts:
Blacks Beach surf forecast from 16 Sep 2026:
- Best quality surf: Thursday 17 Sep, 5AM (local time) - 3ft (0.9m), 16s period, SSW swell with glassy winds.
- Most powerful swell: Monday 21 Sep, 11AM (local time) - 3.5ft (1.1m), 17s period, SW swell with 625 kJ wave energy.
- Next surfable swell (1★+): Thursday 17 Sep, 5AM (local time) - 3ft (0.9m), 16s 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 (Sep 17) at 5AM. The primary swell is predicted to be 0.9m and 16s period with a secondary swell of 0.4m and 9s. 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 1.1m 17s and forecast to arrive on Monday (Sep 21) at 11AM. 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 12s period and expected on Sunday (Sep 20) at 2PM.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Thu 17th Sep) | 3ft (0.9m) 16s |
| Best Surf | 5AM (Thu 17th Sep) | 3ft (0.9m) 16s |
| Most Powerful | 11AM (Mon 21st Sep) | 3.5ft (1.1m) 17s |
Table - best surf conditions forecast for Blacks Beach over the next 16 days.
Short Range ForecastMostly dry. Warm (max 21°C on Wed morning, min 19°C on Thu night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 22°C on Sat afternoon, min 19°C on Sat morning). Wind will be generally light. | ||||||||||||||||||||
Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | |||||||||||||||
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 17 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SW 19 | SW 19 | SW 19 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 17 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 |
Wave Graph  | |||||||||||||||||||||
 kJ | 475 | 339 | 366 | 284 | 272 | 405 | 303 | 303 | 299 | 379 | 375 | 375 | 522 | 522 | 493 | 625 | 618 | 521 | 416 | 496 | 496 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | on | on | on | cross-on | on | on | glassy | on | on | glassy | on | on | glassy | cross-on | on | glassy | on | on | glassy |
High Tide | 12:23PM1.51m | 1:09PM1.41m | 2:38PM1.34m | 8:04AM1.10m | 4:32PM1.35m | 7:53AM1.16m | 5:45PM1.44m | 8:01AM1.21m | 6:34PM1.54m | 8:12AM1.28m | 7:14PM1.62m | ||||||||||
Low Tide | 8:21PM0.37m | 10:08PM0.39m | 11:39PM0.32m | 10:40AM1.07m | 00:33AM0.23m | 12:03PM0.97m | 1:10AM0.14m | 12:45PM0.84m | 1:39AM0.08m | 1:19PM0.69m | 2:04AM0.05m | ||||||||||
 |  |  | | |  | | | | | | | | | | | | | | | | |
 | 6:33 | — | — | 6:33 | — | — | 6:33 | — | — | 6:33 | — | — | 6:35 | — | — | 6:35 | — | — | 6:35 | — | — |
 | — | 6:53 | — | — | 6:52 | — | — | 6:51 | — | — | 6:50 | — | — | 6:47 | — | — | 6:46 | — | — | 6:45 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 21 | 20 | 21 | 20 | 20 | 21 | 21 | 20 | 21 | 22 | 21 | 21 | 21 | 20 | 20 | 20 | 19 | 20 | 21 | 20 |
Feels °C | 21 | 20 | 21 | 20 | 18 | 20 | 21 | 20 | 20 | 21 | 22 | 22 | 21 | 20 | 21 | 19 | 18 | 19 | 20 | 20 | 21 |
Swell 1 Height (m) Direction Period (s) | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SW 19 | SSW 13 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 17 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 |
| kJ | 475 | 339 | 366 | 284 | 272 | 405 | 180 | 303 | 139 | 379 | 375 | 375 | 522 | 522 | 493 | 625 | 618 | 521 | 416 | 496 | 496 |
Swell 2 Height (m) Direction Period (s) | W 8 | W 5 | SSW 9 | SW 21 | SW 21 | SW 21 | SW 19 | SSW 13 | SW 19 | W 6 | W 6 | W 6 | W 6 | S 12 | W 5 | W 5 | W 5 | SSW 12 | W 5 | S 11 | W 5 |
| kJ | 18 | 9 | 32 | 160 | 160 | 212 | 303 | 158 | 299 | 27 | 25 | 25 | 36 | 76 | 19 | 13 | 13 | 44 | 8 | 21 | 7 |
Swell 3 Height (m) Direction Period (s) | S 9 | S 9 | SW 13 | S 8 | S 12 | W 11 | W 5 | S 11 | W 5 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SW 12 | SSW 12 | SSW 12 | SSW 12 | W 5 | S 11 | S 11 | SSW 11 |
| kJ | 25 | 25 | 85 | 13 | 25 | 2 | 15 | 9 | 19 | 137 | 95 | 83 | 56 | 6 | 51 | 48 | 46 | 8 | 39 | 2 | 23 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SSW 8 | — | — | W 6 | — | — | — | — | — | W 6 | — | — | — | — | — | W 5 | — |
| kJ | — | — | — | — | 28 | — | — | 23 | — | — | — | — | — | 33 | — | — | — | — | — | 12 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 144 | 27 | 0 | 27 | 26 | 18 | 26 | 27 | 9 | 26 | 26 | 0 | 27 | 27 | 2 | 27 | 27 | 0 | 27 | 27 | 0 |
Best forecast wave conditions in San Diego County | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Blacks Beach surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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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