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Surf Forecasts:

Saint Annes surfForecast / CAL – San Luis Obispo / USA

information circle12 Day Weather and Surf, issued 4 pm Tuesday 19 Aug 2025 PDT
Forecast update in hr  min  s Forecast update imminent
Saint Annes surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Saint Annes sea temperature is
14.2° C
 (Which is 2.5°C colder than average for this time of year)

Best Forecast Surf Conditions for Saint Annes this week:

The surf forecast for Saint Annes over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Aug 19) at 11PM. The primary swell is predicted to be 2.1m and 7s period with a secondary swell of 1.6m and 7s. Another secondary swell of 0.8m and 15s 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 12 days are 2.2m 8s and forecast to arrive on Thursday (Aug 21) at 2AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 11s period and expected on Wednesday (Aug 20) at 2PM.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+)11PM (Tue 19th Aug)7ft (2.1m) 7s
Best Surf11PM (Tue 19th Aug)7ft (2.1m) 7s
Most Powerful 2AM (Thu 21st Aug)7ft (2.2m) 8s

Table - best surf conditions forecast for Saint Annes over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Mostly dry. Warm (max 26°C on Thu morning, min 15°C on Tue night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 23°C on Fri afternoon, min 14°C on Sun night). Wind will be generally light.

Tue
19
Wednesday
20
Thursday
21
Friday
22
Saturday
23
Sunday
24
Monday
25
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
2
0
0
3
1
0
2
1
1
2
1
0
2
1
0
2
1
0
2
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.7
SW
0.8
SSW
0.8
SSW
0.8
SSW
2.2
WNW
1.9
WNW
1.6
WNW
1.7
WNW
1.3
WNW
0.8
SSW
0.9
SSW
0.8
SSW
0.8
SSW
0.8
SSW
0.8
SSW
0.8
SSW
0.6
SSW
0.6
SSW
0.6
SSW
0.7
SSW
0.8
SSW
Period(s) (?)1616151588888151515141414142019191818
Wave
Graph
(?)Metric surfscale
Energy (?)4325294355371205938507574503416419417387533421452621522519571561
Wind
(km/h)
15
WNW
5
NNW
15
NW
25
NW
10
NNW
10
WNW
10
WNW
5
NNW
10
W
10
W
0
SW
10
W
10
WNW
5
WNW
10
W
10
WNW
5
WNW
10
W
10
WNW
5
NNW
10
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
off		crosscrosscross-
off		crosscross-
on		glasscross-
on		cross-
on		glasscross-
on		cross-
on		glasscross-
on		cross-
on		glasscross-
on		cross-
on		cross-
off		cross-
on
High Tide
/ height (m)
7:09PM
0.96
9:24AM
0.35
8:00PM
0.99
10:02AM
0.40
8:47PM
0.98
10:38AM
0.44
9:33PM
0.94
11:12AM
0.46
10:18PM
0.86
11:44AM
0.47
11:03PM
0.73
12:15PM
0.48
11:51PM
0.58
12:46PM
0.49
Low Tide
/ height (m)
2:37AM
-1.15
1:56PM
-0.11
3:21AM
-1.18
2:47PM
-0.16
4:01AM
-1.16
3:35PM
-0.22
4:39AM
-1.09
4:21PM
-0.28
5:16AM
-0.97
5:08PM
-0.33
5:51AM
-0.81
5:57PM
-0.36
6:24AM
-0.64
Tue
19
Wednesday
20
Thursday
21
Friday
22
Saturday
23
Sunday
24
Monday
25
Sunrise--6:26--6:26--6:26--6:28--6:28--6:28--6:30
Sunset7:46--7:45--7:44--7:43--7:42--7:39--7:38--
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
cloud
part cloud
clear
clear
part cloud
clear
clear
clear
part cloud
clear
Rain (mm)
---------------------
Temp. °C201825242226241823231722231721211519201418
Feels °C (?)181622202024221922221622221720201418191317
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

Eyeball surf reportRecent Eyeball Surf Reports for CAL - San Luis Obispo

  1. weather stationWind Update The wind is still cross-off at Saint Annes (light winds from the E at BUOY-CPXC1 2 km from Saint Annes). 1.8m 6s windswell from the NW with a 0.5m 16s long period groundswell from the SW. 2 swells combining to make bigger set waves.

    1 hour 33 minutes ago Saint Annes
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1 h 33 min ago

11 km/h
E
Cross-Off
Please reload the page to see if there are any updates.

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Saint Annes 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.

View detailed surf forecast for Saint Annes at:
surf-forecast.com

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 12 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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