Saint Annes surfForecast / CAL – San Luis Obispo / USA

information circle16 Day Weather and Surf, issued 10 pm Tuesday 24 Mar 2026 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
14.1° C
(Which is slightly warmer than usual)

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 Wednesday (Mar 25) at 8AM. The primary swell is predicted to be 0.6m and 16s period with a secondary swell of 0.8m and 6s. 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 10s and forecast to arrive on Thursday (Mar 26) at 8PM. 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 12s period and expected on Thursday (Mar 26) at 5PM.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Wed 25th Mar)2ft (0.6m) 16s
Best Surf 8AM (Thu 26th Mar)8ft (2.5m) 9s
Most Powerful 8PM (Thu 26th Mar)8ft (2.5m) 10s

Table - best surf conditions forecast for Saint Annes over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 23°C on Thu afternoon, min 15°C on Wed night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 25°C on Sun morning, min 14°C on Fri night). Wind will be generally light.

Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
29
Monday
30
Tue
31
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
1
0
0
3
2
1
2
1
1
1
1
1
3
2
0
2
0
0
1
1
1
Swell
Height Map
Wave Height (m) & direction (?)
0.6
SW
0.6
SSW
0.6
SW
2.5
WNW
2
WNW
1.9
WNW
1.6
WNW
1.3
WNW
1.2
WNW
1.2
WNW
1.6
NW
1.7
WNW
2.1
NW
1.9
NW
2
WNW
2.1
NW
1.2
NW
0.4
SSW
0.4
SW
0.4
SW
0.4
SW
Period(s) (?)17161681010101011101068878712151515
Wave
Graph
(?)Metric surfscale
Energy kJ (?)24117320694176374054136131127749024661343439549013546567675
Wind
(km/h)
0
NNE
5
W
20
NW
15
NNW
15
NNW
20
NNW
10
ENE
10
W
10
WNW
5
N
10
WNW
15
WNW
5
NNW
10
N
20
NW
5
NE
10
SSE
5
S
5
ENE
0
SSE
0
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glasscross-
on
crosscross-
off
cross-
off
cross-
off
offcross-
on
crossglasscrosscrossglasscross-
off
crossglasscrosscross-
on
offglassglass
High Tide
/ height (m)
2:47AM
0.79
5:42PM
0.22
3:55AM
0.74
6:51PM
0.29
5:10AM
0.71
7:42PM
0.37
6:21AM
0.71
8:23PM
0.45
7:26AM
0.71
8:58PM
0.52
8:25AM
0.70
9:31PM
0.59
9:18AM
0.67
Low Tide
/ height (m)
8:21PM
-0.06
10:36AM
-0.89
9:42PM
0.01
11:44AM
-0.92
11:15PM
0.01
12:43PM
-0.95
12:34AM
-0.07
1:36PM
-0.95
1:38AM
-0.19
2:23PM
-0.92
2:32AM
-0.33
3:05PM
-0.86
3:21AM
-0.47
3:44PM
-0.76
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
29
Monday
30
Tue
31
Sunrise-6:58--6:58--6:56--6:54--6:54--6:52--6:50-
Sunset--7:17--7:19--7:19--7:20--7:21--7:22--7:22
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
cloud
part cloud
clear
clear
clear
clear
part cloud
cloud
cloud
rain showers
cloud
Rain (mm)
-------------------1-
Temp. °C182021172123182020151818162524171718151515
Feels °C (?)171919151819141818141616152220151517141512
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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