Surf Forecasts:
Saint Annes surf forecast from 6 Aug 2026:
- Best quality surf: Saturday 8 Aug, 5AM (local time) - 2.5ft (0.8m), 18s period, SSW swell with glassy winds.
- Most powerful swell: Saturday 8 Aug, 8AM (local time) - 3ft (0.9m), 18s period, SSW swell with 438 kJ wave energy.
- Next surfable swell (1★+): Thursday 6 Aug, 8AM (local time) - 1.5ft (0.5m), 13s period with SW swell.
Best Forecast Surf Conditions for Saint Annes this week:
The surf forecast for Saint Annes over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Aug 06) at 8AM. The primary swell is predicted to be 0.5m and 13s period with a secondary swell of 0.4m and 7s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Saint Annes in the next 16 days are 0.9m 18s and forecast to arrive on Saturday (Aug 08) at 8AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 13s period and expected on Tuesday (Aug 11) at 11AM.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Thu 6th Aug) | 1.5ft (0.5m) 13s |
| Best Surf | 5AM (Sat 8th Aug) | 2.5ft (0.8m) 18s |
| Most Powerful | 8AM (Sat 8th Aug) | 3ft (0.9m) 18s |
Table - best surf conditions forecast for Saint Annes over the next 16 days.
The Lowdown
Alright, Rusty here again. Let’s talk inches and feet, but the story is the same: it’s a lean couple of weeks at Saint Annes.
For the first ten days or so, from Thursday, 6 August through Sunday, 16 August, it’s a real struggle. The swell is tiny—between 1 ft and 4 ft—and the wind is mostly cross or cross-onshore from the west or northwest. That’s a bad combo for this reef. Even when the combined energy gets into the moderate range, the wind messes up the surface. You’re looking at a lot of "poor surf conditions" and "marginal" calls. It’s a big gap with nothing worth paddling out for.
The one bright spot is Monday, 17 August, in the morning. The wind goes glassy—dead flat calm. That’s your ticket. The swell is 3 ft from the SSW, with a 15-second period. That’s real groundswell, and it’s got a combined energy of 420, so there’s some weight behind it. For a reef break, that long-period swell is ideal—it’ll wrap in clean. The surface will be glassy, so the waves will be smooth and lined up. This is the clear standout. Just know that crowds are "often" here, so you won’t be alone.
The afternoon of the 17th, the wind swings back cross-on, and it’s poor again. The rest of the week into the 21st is more of the same small, choppy mess.
Bottom line: if you can make it Monday morning, 17 August, that’s your shot. The rest of the forecast is a write-off.
- Rusty
Short Range ForecastMostly dry. Warm (max 21°C on Fri afternoon, min 14°C on Wed night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 22°C on Sun morning, min 15°C on Sat night). Wind will be generally light. | ||||||||||||||||||
Thursday 6 | Friday 7 | Saturday 8 | Sunday 9 | Monday 10 | Tuesday 11 | ||||||||||||||
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 14 | SW 13 | SW 20 | SSW 18 | SSW 19 | SSW 19 | SSW 17 | SSW 18 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | WNW 10 | WNW 10 | SW 19 | SW 19 | WNW 10 | SW 18 |
Wave Graph  | |||||||||||||||||||
 kJ | 125 | 84 | 98 | 124 | 210 | 325 | 267 | 348 | 232 | 366 | 259 | 242 | 250 | 231 | 192 | 184 | 99 | 164 | 316 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross | glassy | cross-on | cross-on | cross | cross-on | cross-on | cross | on | cross-on | glassy | on | on | glassy | on | cross-on | cross |
High Tide | 5:22AM0.02m | 4:39PM0.80m | 6:57AM0.06m | 5:38PM0.89m | 8:03AM0.15m | 6:33PM0.98m | 8:52AM0.23m | 7:25PM1.05m | 9:33AM0.32m | 8:15PM1.08m | 10:12AM0.39m | 9:02PM1.08m | |||||||
Low Tide | 11:17PM-0.58m | 9:37AM-0.20m | 00:26AM-0.76m | 10:48AM-0.13m | 1:21AM-0.93m | 12:01PM-0.10m | 2:10AM-1.07m | 1:06PM-0.12m | 2:54AM-1.17m | 2:03PM-0.16m | 3:36AM-1.22m | 2:55PM-0.21m | 4:16AM-1.22m | ||||||
 | | |  | | |  | | | | |  | | | | | | | | |
 | — | 6:15 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — | 6:18 | — | — | 6:18 | — | — |
 | 8:01 | — | 8:00 | — | — | 8:00 | — | — | 7:59 | — | — | 7:58 | — | — | 7:57 | — | — | 7:55 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 19 | 20 | 16 | 20 | 21 | 16 | 21 | 21 | 16 | 22 | 22 | 17 | 21 | 22 | 16 | 21 | 21 | 16 |
Feels °C | 14 | 18 | 19 | 15 | 19 | 20 | 15 | 20 | 20 | 16 | 22 | 22 | 17 | 21 | 22 | 16 | 21 | 20 | 16 |
Swell 1 Height (m) Direction Period (s) | SW 14 | WNW 9 | SW 13 | SW 13 | SSW 19 | SSW 19 | SSW 17 | SSW 18 | SSW 16 | SSW 16 | SSW 15 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 10 | WNW 9 |
| kJ | 125 | 47 | 83 | 85 | 210 | 325 | 267 | 348 | 232 | 366 | 259 | 189 | 250 | 231 | 192 | 124 | 99 | 164 | 136 |
Swell 2 Height (m) Direction Period (s) | WNW 7 | SW 13 | SW 20 | WNW 8 | SW 13 | SW 13 | SW 13 | SSW 12 | SSW 12 | NW 8 | NW 11 | SSW 15 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | S 13 | SW 18 | SW 18 |
| kJ | 31 | 84 | 98 | 41 | 84 | 82 | 84 | 56 | 82 | 30 | 117 | 242 | 239 | 168 | 139 | 137 | 87 | 154 | 316 |
Swell 3 Height (m) Direction Period (s) | NW 10 | SSW 20 | S 12 | SSW 18 | WNW 8 | S 11 | WNW 8 | WNW 13 | W 13 | SSW 12 | SW 11 | SSW 11 | SSW 11 | SSW 11 | SW 20 | SW 19 | SW 19 | S 12 | SSW 12 |
| kJ | 15 | 37 | 25 | 124 | 28 | 9 | 14 | 34 | 14 | 83 | 19 | 49 | 23 | 24 | 136 | 184 | 91 | 77 | 47 |
Wind waves Height (m) Direction Period (s) | — | — | WNW 9 | — | — | WNW 8 | — | NW 8 | WNW 8 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 52 | — | — | 28 | — | 17 | 26 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 2 | 85 | 117 | 0 | 85 | 117 | 2 | 425 | 117 | 2 | 57 | 85 | 0 | 20 | 85 | 0 | 85 | 85 | 2 |
Best forecast wave conditions in San Luis Obispo | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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Information about the Saint Annes Surf forecast
The above surf forecast table for Saint Annes provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Saint Annes can be found by selecting the local surf guide option on the grey menu. Our Saint Annes 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 (Saint Annes) 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 Saint Annes 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.
Saint Annes is 4 km (2 miles) from Port San Luis. If you plan a vacation in San Luis Obispo, look for hotels and other accommodation in Port San Luis. Port San Luis has rooms for a wide range of budgets as well as car hire and transport links.
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