Saint Annes surfForecast / CAL – San Luis Obispo / USA

information circle16 Day Weather and Surf, issued 4 am Wednesday 20 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
12.1° C
(Which is 1.8°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 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (May 20) at 11PM. The primary swell is predicted to be 1.3m and 12s period with a secondary swell of 0.5m and 15s. 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 1.1m 17s and forecast to arrive on Monday (May 25) 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 0.2m 9s period and expected on Tuesday (May 26) at 2PM.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+)11PM (Wed 20th May)4.5ft (1.3m) 12s
Best Surf11PM (Wed 20th May)4.5ft (1.3m) 12s
Most Powerful 8PM (Mon 25th May)3.5ft (1.1m) 17s

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 Wed morning, min 11°C on Thu night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Very mild (max 16°C on Sat morning, min 10°C on Sun night). Wind will be generally light.

Wednesday
20
Thursday
21
Friday
22
Saturday
23
Sunday
24
Monday
25
Tuesday
26
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
2
1
0
2
0
0
1
0
1
1
0
0
2
0
0
2
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.4
WNW
13
1.3
WNW
13
1.3
WNW
12
1.4
WNW
12
1.4
WNW
11
1.1
WNW
11
1
WNW
11
1
WNW
10
0.9
WNW
10
0.7
SW
16
0.7
SW
16
0.7
SW
16
0.7
SW
15
0.7
SW
15
0.7
SW
14
1
SSW
17
1
SSW
17
1.1
SSW
16
1
SSW
16
1.1
SSW
15
1
SSW
15
Wave Graph
Metric surfscale
Energy kJ
640
555
436
518
450
286
249
216
191
255
258
258
242
220
214
543
615
561
463
539
405
Wind (km/h)
15
WNW
10
WNW
5
NW
10
WSW
10
WNW
5
NNW
10
W
10
W
5
NW
10
WSW
10
W
5
N
10
W
15
WNW
10
NNW
15
WNW
15
WNW
5
NE
15
WNW
20
WNW
10
WNW
cross-on
cross-on
glassy
cross-on
cross-on
cross-off
cross-on
cross-on
glassy
cross-on
cross-on
glassy
cross-on
cross
cross-off
cross-on
cross
glassy
cross-on
cross-on
cross
High Tide
2:34PM0.34m
00:43AM0.89m
3:39PM0.37m
1:37AM0.71m
4:44PM0.41m
2:46AM0.52m
5:42PM0.48m
4:17AM0.36m
6:29PM0.56m
5:58AM0.27m
7:09PM0.65m
7:25AM0.26m
7:43PM0.72m
Low Tide
6:44PM0.02m
8:24AM-1.11m
7:56PM0.07m
9:21AM-0.98m
9:34PM0.07m
10:21AM-0.84m
11:18PM-0.04m
11:22AM-0.71m
00:40AM-0.22m
12:18PM-0.58m
1:41AM-0.44m
1:09PM-0.46m
2:31AM-0.65m
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:54
5:54
5:54
5:52
5:52
5:52
5:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:02
8:04
8:05
8:05
8:06
8:07
8:07
Temp °C
23
19
13
17
18
12
16
16
12
16
16
13
15
15
11
14
15
11
15
14
12
19
16
12
15
16
11
14
14
11
15
14
12
13
12
9
11
12
9
12
9
9
Swell 1
Height (m)
Direction
Period (s)
1.4
WNW
13
1.3
WNW
13
1.3
WNW
12
1.4
WNW
12
1.4
WNW
11
1.1
WNW
11
1
WNW
11
1
WNW
10
0.9
WNW
10
0.8
WNW
10
0.9
WNW
10
0.8
WNW
10
0.7
SW
15
0.7
SW
15
0.7
SW
14
1
SSW
17
1
SSW
17
1.1
SSW
16
1
SSW
16
1.1
SSW
15
1
SSW
15
Energy kJ
640
555
436
518
450
286
238
216
175
125
178
125
242
220
214
543
615
561
463
539
405
Swell 2
Height (m)
Direction
Period (s)
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
SW
18
0.5
SW
14
0.6
SW
15
0.7
SW
16
0.7
SW
16
0.7
SW
16
0.7
WNW
10
0.7
WNW
10
0.5
SSW
18
0.7
NW
14
0.7
NW
13
0.9
NW
13
0.7
NW
12
0.2
S
9
0.6
WNW
11
Energy kJ
56
113
184
107
110
148
249
103
191
255
258
258
86
85
174
211
180
241
142
7
81
Swell 3
Height (m)
Direction
Period (s)
0.4
SW
16
0.4
S
13
0.4
SW
15
0.4
S
12
0.4
S
12
0.4
SW
14
0.4
S
12
0.4
SSW
18
0.4
S
12
0.4
S
12
0.3
S
12
0.3
S
11
0.3
S
11
0.4
SSW
19
0.5
NW
16
0.3
S
10
0.2
S
10
0.2
S
10
0.2
S
9
0.2
S
9
0.2
S
9
Energy kJ
89
55
78
48
48
73
49
121
45
43
24
22
20
136
118
17
7
7
7
7
6
Wind waves
Height (m)
Direction
Period (s)
0.9
WNW
5
0.7
WNW
9
0.7
WNW
9
0.9
WNW
9
0.6
WNW
4
0.9
WNW
6
1.9
WNW
7
1.5
WNW
7
Energy kJ
34
76
73
116
16
48
326
217
Nearest Offshore or Glassy
Rating
(10 max)
3
2
2
3
1
2
2
1
1
2
1
1
2
1
2
2
1
2
2
1
3
Distance (km)
230
117
0
85
117
0
85
117
0
195
117
0
85
117
0
261
230
0
251
228
2
Best forecast wave conditions in San Luis Obispo
Rating
(10 max)
3
3
2
2
3
3
3
Best forecast wave conditions in United States
Rating
(10 max)
3
2
3
3
1
3
2
2
2
3
2
3
2
1
3
2
2
3
2
2
3
Header Global
Rating
(10 max)
4
5
5
5
5
7
6
5
5
9
6
5
5
4
4
5
5
4
5
5
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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