Surf Forecasts:
Saint Annes surf forecast from 12 Sep 2026:
- Best quality surf: Sunday 13 Sep, 2AM (local time) - 8ft (2.4m), 8s period, NW swell with cross-offshore winds.
- Most powerful swell: Sunday 13 Sep, 8PM (local time) - 8ft (2.5m), 8s period, WNW swell with 935 kJ wave energy.
- Next surfable swell (1★+): Friday 11 Sep, 11PM (local time) - 3ft (0.9m), 15s 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 Friday (Sep 11) at 11PM. The primary swell is predicted to be 0.9m and 15s period with a secondary swell of 1.3m and 6s. Another secondary swell of 1.6m and 6s is also forecast. 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 2.5m 8s and forecast to arrive on Sunday (Sep 13) at 8PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 12s period and expected on Thursday (Sep 17) at 11PM.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Fri 11th Sep) | 3ft (0.9m) 15s |
| Best Surf | 2AM (Sun 13th Sep) | 8ft (2.4m) 8s |
| Most Powerful | 8PM (Sun 13th Sep) | 8ft (2.5m) 8s |
Table - best surf conditions forecast for Saint Annes over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s dig into this one.
Alright, lookin’ at the next couple weeks, and I gotta be straight with you – it’s a bit of a grind for Saint Annes. This is a sheltered reef break that really wants a clean WNW swell and some offshore or glassy wind to shine, but the forecast just isn’t givin’ us much of that. The water’s sitting at 64°, which is a touch warmer than usual for this time of year, but that’s about the only nice thing goin’ on.
The first real chance to paddle out looks like Monday morning, September 14. We’ll see some chest-high swell around 6ft from the WNW, but the wind is cross, not clean. The combined energy reads 798, so there’s some push there, but it’s messy. That’s a solid *maybe* for the more experienced crew.
Now, if you want a standout moment, keep your eyes on Sunday, September 20 in the afternoon. The swell is gonna bump up to a solid 7ft from the WNW, and the energy jumps to 936 – that’s punchy. But, and it’s a big but, that’s a short-period 7-second wind swell. It’s gonna be lumpy, and the wind is a fresh 16 mph cross-shore. That size with that wind at a reef break? That’s not really a paddle surfer’s friend. That setup looks more interesting for kite surfing than paddle surfing, to be honest.
Then again on Tuesday, September 22 in the afternoon, we see another 8ft WNW pulse with a period of just 7 seconds and fresh 19 mph cross-wind. Same story – heavy, bumpy, and messy.
Towards the very end of the run, we get a tiny flicker of hope. On Thursday, September 24 in the afternoon, the wind goes glassy, and we get a light SW breeze. The swell is only 2ft from the SW, with a 14-second period – that’s some long-period groundswell energy (387). It’s small, but glassy conditions at a reef can be fun. That’s your only window for something truly clean, but you’ll need a bigger board.
Outside of that one glassy window, the wind is nearly always on it, and the swell quality is poor. This stretch looks pretty flat and frustrating. For the best on offer, I’d say the Monday morning (14th) is your most consistent option for size, even if it’s not clean. And for quality, that Thursday afternoon (24th) glass-off is the hidden gem, just don’t expect much power.
Stay patient, mates.
Rusty.
Short Range ForecastMostly dry. Warm (max 23°C on Sun afternoon, min 15°C on Sat night). Winds increasing (calm on Sat morning, fresh winds from the NW by Sun afternoon). | Days 5-7 Weather SummaryMostly dry. Warm (max 22°C on Mon afternoon, min 13°C on Tue night). Wind will be generally light. | |||||||||||||||||||
Fri 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | ||||||||||||||
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 15 | SW 15 | SW 14 | WNW 7 | NW 8 | WNW 8 | WNW 8 | NW 8 | WNW 8 | WNW 9 | WNW 9 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 15 |
Wave Graph  | ||||||||||||||||||||
 kJ | 318 | 309 | 214 | 211 | 681 | 204 | 844 | 748 | 423 | 439 | 453 | 304 | 255 | 157 | 134 | 200 | 146 | 288 | 196 | 188 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | glassy | cross-on | cross | cross-off | cross | cross | cross-off | cross | cross | glassy | cross-on | cross-on | cross | cross-on | cross-on | glassy | cross-on | cross | cross-off |
High Tide | 10:39PM0.73m | 11:19AM0.63m | 11:30PM0.62m | 11:51AM0.65m | 00:24AM0.47m | 12:24PM0.66m | 1:26AM0.32m | 12:57PM0.65m | 2:43AM0.19m | 1:33PM0.63m | 4:27AM0.11m | 2:13PM0.61m | ||||||||
Low Tide | 4:36PM-0.53m | 5:05AM-0.77m | 5:25PM-0.60m | 5:40AM-0.61m | 6:16PM-0.65m | 6:14AM-0.43m | 7:11PM-0.67m | 6:45AM-0.26m | 8:11PM-0.68m | 7:13AM-0.10m | 9:18PM-0.69m | 7:36AM0.03m | 10:29PM-0.71m | |||||||
 |  |  | | | | | | | | | | | | | | | | | | |
 | — | — | 6:43 | — | — | 6:43 | — | — | 6:43 | — | — | 6:45 | — | — | 6:46 | — | — | 6:46 | — | — |
 | 7:15 | — | — | 7:14 | — | — | 7:13 | — | — | 7:10 | — | — | 7:09 | — | — | 7:07 | — | — | 7:07 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 22 | 16 | 21 | 20 | 16 | 22 | 23 | 17 | 22 | 22 | 17 | 19 | 20 | 15 | 17 | 18 | 15 | 19 | 19 | 15 |
Feels °C | 20 | 15 | 20 | 18 | 16 | 19 | 17 | 13 | 20 | 19 | 17 | 19 | 19 | 15 | 16 | 17 | 14 | 18 | 17 | 13 |
Swell 1 Height (m) Direction Period (s) | SW 15 | WNW 7 | WNW 6 | SW 14 | WNW 8 | SSW 13 | SW 13 | WNW 8 | WNW 8 | SW 18 | WNW 9 | WNW 9 | SW 16 | WNW 8 | WNW 8 | WNW 9 | WNW 8 | SSW 16 | SSW 15 | SSW 15 |
| kJ | 318 | 125 | 68 | 211 | 302 | 120 | 87 | 327 | 223 | 108 | 453 | 304 | 88 | 157 | 134 | 119 | 58 | 288 | 196 | 188 |
Swell 2 Height (m) Direction Period (s) | WSW 16 | SW 15 | SW 14 | WSW 13 | SW 14 | WSW 11 | SW 19 | SW 13 | SW 18 | SW 13 | SW 17 | SW 16 | SSW 20 | SW 16 | SW 16 | SSW 17 | SSW 16 | WNW 8 | S 12 | S 12 |
| kJ | 86 | 309 | 214 | 59 | 158 | 24 | 58 | 85 | 108 | 40 | 106 | 127 | 80 | 88 | 122 | 200 | 146 | 58 | 46 | 97 |
Swell 3 Height (m) Direction Period (s) | S 10 | WSW 15 | NW 10 | WNW 12 | WSW 12 | SW 19 | WSW 16 | SW 19 | SW 13 | S 9 | SW 12 | SW 12 | SSW 12 | SSW 19 | SSW 18 | S 13 | SSW 13 | SW 21 | SW 21 | SW 20 |
| kJ | 18 | 72 | 24 | 14 | 29 | 59 | 25 | 57 | 44 | 2 | 23 | 23 | 14 | 74 | 107 | 31 | 54 | 116 | 162 | 148 |
Wind waves Height (m) Direction Period (s) | WNW 6 | NW 7 | WNW 6 | WNW 7 | NW 8 | WNW 8 | WNW 8 | NW 8 | WNW 8 | WNW 9 | — | — | WNW 8 | — | — | — | — | — | WNW 8 | WNW 4 |
| kJ | 115 | 261 | 132 | 209 | 681 | 204 | 844 | 748 | 423 | 439 | — | — | 255 | — | — | — | — | — | 76 | 15 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 96 | 0 | 85 | 102 | 0 | 32 | 189 | 0 | 228 | 87 | 0 | 20 | 230 | 2 | 195 | 85 | 0 | 85 | 117 | 0 |
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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