Saint Annes surfForecast / CAL – San Luis Obispo / USA

information circle16 Day Weather and Surf, issued 4 am Saturday 16 May 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
13.2° C
(Which is normal for this time of year)

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 Sunday (May 17) at 11PM. The primary swell is predicted to be 4.0m and 12s period with a secondary swell of 3.0m and 12s. 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 4.5m 12s and forecast to arrive on Sunday (May 17) at 8AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 13s period and expected on Sunday (May 17) at 5PM.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+)11PM (Sun 17th May)13ft (4.0m) 12s
Best Surf11PM (Sun 17th May)13ft (4.0m) 12s
Most Powerful 8AM (Sun 17th May)15ft (4.5m) 12s

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. Very mild (max 18°C on Mon morning, min 11°C on Sat night). Winds decreasing (fresh winds from the NW on Sat afternoon, calm by Sun night).

Days 4-6 Weather Summary

Mostly dry. Very mild (max 19°C on Wed morning, min 12°C on Thu night). Wind will be generally light.

Saturday
16
Sunday
17
Monday
18
Tuesday
19
Wednesday
20
Thursday
21
Friday
22
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
0
3
2
1
3
1
1
2
0
1
2
1
0
2
1
0
2
1
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
3
WNW
10
4
WNW
10
3
WNW
11
4.5
NW
12
4
WNW
12
2.5
WNW
12
2.1
WNW
11
1.8
WNW
11
1.7
WNW
11
1.6
WNW
10
1.4
WNW
10
0.9
WNW
14
1.4
WNW
13
1.4
WNW
13
1.3
WNW
12
1.3
WNW
12
1.2
WNW
11
1
WNW
11
0.6
SSW
18
0.9
WNW
11
0.9
WNW
10
Wave Graph
Metric surfscale
Energy kJ
1958
3406
2335
5374
4667
1903
1087
718
604
530
386
347
640
630
436
421
329
247
207
196
188
Wind (km/h)
30
NW
35
NW
15
NNW
25
WNW
30
NW
5
N
10
SSW
10
W
5
NE
10
SW
10
W
5
N
10
WSW
10
WNW
5
NW
10
WSW
15
WNW
5
NNW
10
W
10
W
5
ENE
cross
cross
cross-off
cross
cross
cross-off
on
cross-on
glassy
on
cross-on
cross-off
on
cross-on
glassy
cross-on
cross-on
glassy
cross-on
cross-on
glassy
High Tide
10:53AM0.36m
9:52PM1.13m
11:43AM0.36m
10:31PM1.15m
12:36PM0.35m
11:12PM1.12m
1:32PM0.34m
11:55PM1.03m
2:34PM0.34m
00:43AM0.89m
3:39PM0.37m
1:37AM0.71m
4:44PM0.41m
2:46AM0.52m
Low Tide
3:38PM-0.26m
5:10AM-1.23m
4:18PM-0.20m
5:55AM-1.28m
5:01PM-0.13m
6:42AM-1.27m
5:48PM-0.06m
7:31AM-1.21m
6:44PM0.02m
8:24AM-1.11m
7:56PM0.07m
9:21AM-0.98m
9:34PM0.07m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:58
5:56
5:56
5:56
5:54
5:54
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:00
8:00
8:01
8:01
8:02
8:04
8:05
Temp °C
17
16
13
16
16
14
18
18
15
18
18
16
19
19
14
17
18
13
16
17
13
11
9
7
11
9
13
15
16
13
15
16
15
17
17
13
16
16
11
15
15
12
Swell 1
Height (m)
Direction
Period (s)
0.7
SSW
15
0.6
SSW
14
1
WNW
13
3
WNW
12
0.5
S
13
2.5
WNW
12
2.1
WNW
11
1.8
WNW
11
1.7
WNW
11
1.6
WNW
10
1.4
WNW
10
1.2
WNW
10
1.4
WNW
13
1.4
WNW
13
1.3
WNW
12
1.3
WNW
12
1.2
WNW
11
1
WNW
11
0.9
WNW
11
0.9
WNW
11
0.9
WNW
10
Energy kJ
222
165
384
2907
90
1903
1087
718
604
530
386
294
640
630
436
421
329
247
204
196
175
Swell 2
Height (m)
Direction
Period (s)
0.1
SW
19
0.1
SW
19
0.6
SSW
14
0.5
SSW
13
0.2
S
18
0.4
SSW
13
0.4
SSW
13
0.3
SSW
12
0.4
S
15
0.7
WNW
16
0.8
WNW
15
0.9
WNW
14
0.4
S
13
0.5
SW
15
0.5
SW
19
0.5
SW
15
0.5
SW
15
0.5
SW
17
0.6
SSW
18
0.5
SW
14
0.6
SW
15
Energy kJ
15
15
160
102
25
58
55
29
69
226
272
347
56
113
184
107
110
148
207
102
188
Swell 3
Height (m)
Direction
Period (s)
0.1
W
19
0.1
S
20
0.1
S
20
0.2
S
18
0.1
SW
18
0.3
S
16
0.3
S
16
0.3
S
16
0.4
NW
18
0.4
S
15
0.4
S
14
0.5
S
14
0.4
SW
16
0.4
S
13
0.4
SW
15
0.5
S
12
0.4
S
12
0.4
SW
14
0.5
SW
14
0.5
SW
18
0.4
S
12
Energy kJ
7
7
7
25
12
47
46
45
80
68
64
89
89
55
78
75
47
73
102
152
45
Wind waves
Height (m)
Direction
Period (s)
3
WNW
10
4
WNW
10
3
WNW
11
4.5
NW
12
4
WNW
12
Energy kJ
1958
3406
2335
5374
4667
Nearest Offshore or Glassy
Rating
(10 max)
3
3
4
2
4
3
4
1
2
3
3
2
4
2
2
3
1
2
2
1
1
Distance (km)
96
116
96
184
117
0
20
228
0
105
85
0
148
117
0
85
117
0
85
117
0
Best forecast wave conditions in San Luis Obispo
Rating
(10 max)
4
4
3
4
3
2
2
Best forecast wave conditions in United States
Rating
(10 max)
4
3
6
7
4
5
4
4
4
3
3
4
4
4
3
3
2
3
2
2
2
Header Global
Rating
(10 max)
5
4
6
7
4
5
4
4
4
4
4
4
9
9
9
7
5
4
5
4
4
  • 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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