Saint Annes surfForecast / CAL – San Luis Obispo / USA

information circle16 Day Weather and Surf, issued 10 am Sunday 17 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
13.0° 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 Sunday (May 17) at 11PM. The primary swell is predicted to be 3.0m and 12s period. 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 4.0m 11s and forecast to arrive on Sunday (May 17) 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 0.5m 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)10ft (3.0m) 12s
Best Surf11PM (Sun 17th May)10ft (3.0m) 12s
Most Powerful 8PM (Sun 17th May)13ft (4.0m) 11s

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 19°C on Tue morning, min 12°C on Sun night). Winds decreasing (fresh winds from the NW on Sun afternoon, calm by Tue night).

Days 4-6 Weather Summary

Mostly dry. Very mild (max 18°C on Wed morning, min 11°C on Thu night). Wind will be generally light.

Sunday
17
Monday
18
Tuesday
19
Wednesday
20
Thursday
21
Friday
22
Saturday
23
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
3
1
3
2
1
2
0
1
2
1
0
2
1
0
2
1
0
1
0
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)
4
NW
12
3.5
WNW
12
2.5
WNW
12
2
WNW
11
1.7
WNW
11
1.6
WNW
11
1.5
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
1.3
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
Wave Graph
Metric surfscale
Energy kJ
4295
3241
1871
996
685
540
445
386
347
640
630
436
456
403
286
238
220
188
255
258
258
Wind (km/h)
20
WNW
25
WNW
5
NNE
10
WSW
10
WNW
5
NE
10
WSW
10
W
5
N
10
WSW
10
WNW
5
NW
10
WSW
10
WNW
5
NNW
10
WSW
10
WSW
5
NE
10
SW
10
WSW
5
NNW
cross
cross
glassy
on
cross
glassy
on
cross-on
glassy
cross-on
cross-on
glassy
cross-on
cross-on
glassy
cross-on
cross-on
glassy
on
cross-on
cross-off
High Tide
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
5:42PM0.48m
4:17AM0.36m
Low Tide
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
10:21AM-0.84m
11:18PM-0.04m
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>
5:56
5:56
5:56
5:54
5:54
5:54
5:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:00
8:01
8:01
8:02
8:04
8:05
8:05
Temp °C
17
16
13
17
17
14
19
18
15
18
18
13
16
17
12
16
16
13
15
16
13
13
10
10
15
15
12
17
16
14
16
15
12
14
15
10
14
14
12
13
15
13
Swell 1
Height (m)
Direction
Period (s)
3
WNW
12
0.5
S
13
2.5
WNW
12
2
WNW
11
1.7
WNW
11
1.6
WNW
11
1.5
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
1.3
WNW
11
1.1
WNW
11
1
WNW
11
1
WNW
10
0.9
WNW
10
0.8
WNW
10
0.9
WNW
10
0.9
WNW
10
Energy kJ
2612
90
1871
996
685
540
445
386
294
640
630
436
456
403
286
238
220
175
130
178
171
Swell 2
Height (m)
Direction
Period (s)
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
0.7
SW
16
0.7
SW
16
0.7
SW
16
Energy kJ
102
25
58
55
29
69
226
272
347
56
113
184
107
110
148
207
103
188
255
258
258
Swell 3
Height (m)
Direction
Period (s)
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
S
12
0.4
SW
14
0.4
SSW
18
0.4
S
12
0.4
S
12
0.3
S
12
0.3
S
11
Energy kJ
25
12
47
46
45
80
68
64
89
89
55
78
75
48
47
73
121
45
44
24
22
Wind waves
Height (m)
Direction
Period (s)
4
NW
12
3.5
WNW
12
Energy kJ
4295
3241
Nearest Offshore or Glassy
Rating
(10 max)
3
4
3
3
2
2
3
3
2
3
2
2
3
1
2
1
1
1
2
1
2
Distance (km)
96
108
0
20
144
0
32
85
0
32
117
0
85
117
0
195
117
0
195
117
0
Best forecast wave conditions in San Luis Obispo
Rating
(10 max)
4
3
3
3
3
3
3
2
2
2
Best forecast wave conditions in United States
Rating
(10 max)
6
4
5
4
2
4
3
3
4
3
3
3
3
1
3
1
1
2
3
2
3
Header Global
Rating
(10 max)
6
4
5
4
4
4
4
4
5
4
5
5
4
4
5
5
4
5
4
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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