Saint Annes surfForecast / CAL – San Luis Obispo / USA

information circle16 Day Weather and Surf, issued 4 am Wednesday 13 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
12.8° C
(Which is slightly cooler than normal)

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 (May 13) at 11PM. The primary swell is predicted to be 2.5m and 8s period with a secondary swell of 1.9m and 8s. Another secondary swell of 1.0m and 11s is also forecast. The wind is predicted to be cross-offshore 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 11PM. 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 8PM.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+)11PM (Wed 13th May)8ft (2.5m) 8s
Best Surf 5AM (Sun 17th May)15ft (4.5m) 11s
Most Powerful11PM (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 17°C on Thu morning, min 12°C on Wed morning). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Warm (max 20°C on Sat morning, min 12°C on Sat night). Winds decreasing (fresh winds from the NW on Sat afternoon, calm by Mon morning).

Wednesday
13
Thursday
14
Friday
15
Saturday
16
Sunday
17
Monday
18
Tuesday
19
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
3
2
0
3
2
1
4
0
0
3
1
1
4
2
2
1
1
1
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1
WNW
12
1
WNW
12
2.2
WNW
8
1.6
WNW
12
1.6
WNW
11
2.2
WNW
9
2.5
WNW
9
3
WNW
10
3.5
NW
9
2.5
WNW
10
4
WNW
10
3
WNW
10
3
WNW
12
3.5
WNW
12
3
WNW
12
2.2
WNW
12
2
WNW
11
2
WNW
11
1.7
WNW
10
1.4
WNW
10
1.5
WNW
14
Wave Graph
Metric surfscale
Energy kJ
278
265
587
689
597
737
1203
1453
2008
1183
3217
1999
2279
3355
2307
1297
978
926
578
386
814
Wind (km/h)
10
WSW
20
WNW
5
NNW
10
WSW
15
WNW
0
NE
10
WNW
25
WNW
10
NNW
25
NW
35
NW
15
NNW
25
NW
30
NW
5
NNW
10
SW
10
W
10
SSE
10
WSW
5
SW
0
E
cross-on
cross
glassy
on
cross-on
glassy
cross-on
cross
cross-off
cross
cross
cross-off
cross
cross
cross-off
on
cross-on
cross
on
on
glassy
High Tide
8:13AM0.28m
8:07PM0.79m
9:10AM0.31m
8:40PM0.93m
10:02AM0.34m
9:15PM1.05m
10:53AM0.36m
9:52PM1.13m
11:43AM0.36m
10:31PM1.15m
12:36PM0.35m
11:12PM1.12m
1:32PM0.34m
11:55PM1.03m
Low Tide
1:42PM-0.41m
3:03AM-0.78m
2:21PM-0.36m
3:45AM-0.98m
2:59PM-0.31m
4:27AM-1.13m
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
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:00
5:58
5:58
5:58
5:56
5:56
5:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:58
7:58
7:59
8:00
8:00
8:01
8:01
Temp °C
16
16
13
17
17
13
17
17
13
20
17
13
18
18
15
18
18
13
17
17
14
14
14
10
15
15
12
15
14
11
14
10
7
13
12
12
17
16
12
16
16
14
Swell 1
Height (m)
Direction
Period (s)
1
WNW
12
1
WNW
12
1.6
WNW
8
1.6
WNW
12
0.9
SSW
16
2.2
WNW
9
2.1
WNW
9
0.9
SSW
15
2.5
WNW
9
0.7
NW
15
0.6
SSW
14
0.6
SSW
14
3
WNW
12
0.5
SSW
13
3
WNW
12
2.2
WNW
12
2
WNW
11
2
WNW
11
1.7
WNW
10
1.4
WNW
10
1.5
WNW
14
Energy kJ
278
265
296
689
366
737
736
314
1079
217
165
160
2279
101
2307
1297
978
926
578
386
814
Swell 2
Height (m)
Direction
Period (s)
0.7
SSW
14
0.7
SSW
13
1.2
WNW
12
0.9
SSW
16
0.2
S
10
0.9
SSW
15
0.9
SSW
15
0.2
WNW
18
0.6
SSW
16
0.7
SSW
15
0.1
SW
19
0.4
WNW
13
0.5
SSW
13
0.2
S
18
0.4
SSW
13
0.4
SSW
13
0.3
SSW
12
0.4
S
15
0.6
WNW
16
0.7
NW
15
0.5
S
14
Energy kJ
161
158
380
371
8
326
318
30
188
222
15
69
102
25
58
55
29
69
173
217
89
Swell 3
Height (m)
Direction
Period (s)
0.5
WNW
6
0.4
SSW
18
0.6
SSW
17
0.2
S
10
0.1
S
10
0.2
S
10
0.2
WNW
18
0.4
NW
18
0.5
NW
16
0.1
SW
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
0.3
SSW
12
0.4
S
15
0.4
S
14
0.4
SW
16
Energy kJ
20
106
235
8
2
8
31
79
127
15
7
25
12
47
46
45
28
68
64
66
Wind waves
Height (m)
Direction
Period (s)
1.5
WNW
6
2.2
WNW
8
1.6
WNW
11
2.5
WNW
9
3
WNW
10
3.5
NW
9
2.5
WNW
10
4
WNW
10
3
WNW
10
3.5
WNW
12
0.4
SSE
3
Energy kJ
181
587
597
1203
1453
2008
1183
3217
1999
3355
4
Nearest Offshore or Glassy
Rating
(10 max)
1
2
3
3
2
3
4
2
4
1
3
4
1
4
4
4
4
3
3
3
2
Distance (km)
228
117
0
85
117
0
85
96
0
228
144
115
228
96
0
20
85
10
20
20
0
Best forecast wave conditions in San Luis Obispo
Rating
(10 max)
4
4
4
4
4
4
3
3
3
Best forecast wave conditions in United States
Rating
(10 max)
2
2
4
3
2
4
4
3
4
4
3
7
5
4
4
4
4
4
4
3
3
Header Global
Rating
(10 max)
7
9
5
5
5
5
5
5
4
5
5
7
5
4
7
4
5
5
4
4
5
  • 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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