Saint Annes surfForecast / CAL – San Luis Obispo / USA

information circle16 Day Weather and Surf, issued 10 am Friday 15 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
13.3° 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 Friday (May 15) at 11PM. The primary swell is predicted to be 3.0m and 9s period with a secondary swell of 0.7m and 14s. Another secondary swell of 0.4m and 16s 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 5.0m 12s and forecast to arrive on Sunday (May 17) at 8AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 13s period and expected on Sunday (May 17) at 5PM.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+)11PM (Fri 15th May)10ft (3.0m) 9s
Best Surf 8AM (Sun 17th May)16ft (5.0m) 12s
Most Powerful 8AM (Sun 17th May)16ft (5.0m) 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 Sat afternoon, min 11°C on Sat night). Winds decreasing (strong winds from the NW on Sat afternoon, calm by Sun night).

Days 4-6 Weather Summary

Mostly dry. Very mild (max 19°C on Tue afternoon, min 13°C on Mon night). Wind will be generally light.

Friday
15
Saturday
16
Sunday
17
Monday
18
Tuesday
19
Wednesday
20
Thursday
21
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
1
3
0
0
3
3
1
4
2
1
2
1
1
2
1
1
2
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)
2.5
WNW
9
2.5
WNW
10
3
WNW
9
3.5
WNW
10
4.5
WNW
10
3
WNW
11
4.5
NW
12
4
WNW
12
2.5
WNW
12
2.2
WNW
11
1.9
WNW
11
1.8
WNW
11
1.6
WNW
10
1.4
WNW
10
0.9
WNW
14
1.5
WNW
13
1.4
WNW
13
1.3
WNW
12
1.2
WNW
12
1.1
NW
11
0.9
WNW
11
Wave Graph
Metric surfscale
Energy kJ
1230
1191
1332
2128
3633
2291
5774
4257
1999
1183
822
705
551
394
347
711
630
436
371
283
204
Wind (km/h)
10
W
20
WNW
10
NNW
35
NW
35
NW
15
NNW
25
NW
30
NW
5
NE
10
SW
10
W
5
NE
10
WSW
10
W
5
N
10
WSW
10
W
5
NNW
10
WSW
10
WSW
0
NE
cross-on
cross
cross-off
cross
cross
cross-off
cross
cross
glassy
on
cross-on
glassy
on
cross-on
cross-off
cross-on
cross-on
cross-off
on
on
glassy
High Tide
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
2:34PM0.34m
00:43AM0.89m
3:39PM0.37m
1:37AM0.71m
Low Tide
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
7:31AM-1.21m
6:44PM0.02m
8:24AM-1.11m
7:56PM0.07m
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
5:58
5:56
5:56
5:56
5:54
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:59
8:00
8:00
8:01
8:01
8:02
8:04
Temp °C
16
16
13
16
17
13
17
17
14
17
18
14
18
19
16
19
19
15
18
18
15
14
13
11
9
10
6
12
11
10
15
16
12
16
17
14
17
17
14
17
16
15
Swell 1
Height (m)
Direction
Period (s)
2.1
WNW
10
0.9
SSW
15
0.6
SSW
16
0.7
SSW
15
0.6
SSW
14
0.9
WNW
13
3.5
WNW
12
0.5
S
13
2.5
WNW
12
2.2
WNW
11
1.9
WNW
11
1.8
WNW
11
1.6
WNW
10
1.4
WNW
10
1.2
WNW
10
1.5
WNW
13
1.4
WNW
13
1.3
WNW
12
1.2
WNW
12
1.1
NW
11
0.9
WNW
11
Energy kJ
752
314
188
222
165
317
3060
90
1999
1183
822
705
551
394
294
711
630
436
371
283
204
Swell 2
Height (m)
Direction
Period (s)
0.9
SSW
15
0.2
WNW
18
0.4
WNW
16
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
SW
16
0.5
SW
15
0.5
SW
19
0.5
SW
15
0.6
SW
15
0.5
SW
17
Energy kJ
318
30
102
15
15
160
102
25
58
55
29
69
226
272
347
89
113
184
107
139
148
Swell 3
Height (m)
Direction
Period (s)
0.2
WNW
18
0.4
NW
18
0.4
SSW
13
0.1
S
20
0.2
SSW
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
S
13
0.4
S
13
0.4
SW
15
0.5
S
12
0.4
S
12
0.4
SW
14
Energy kJ
31
79
57
7
31
12
47
46
45
80
68
64
89
56
55
78
75
47
73
Wind waves
Height (m)
Direction
Period (s)
2.5
WNW
9
2.5
WNW
10
3
WNW
9
3.5
WNW
10
4.5
WNW
10
3
WNW
11
4.5
NW
12
4
WNW
12
Energy kJ
1230
1191
1332
2128
3633
2291
5774
4257
Nearest Offshore or Glassy
Rating
(10 max)
3
2
4
3
3
4
3
4
4
4
2
2
3
3
2
3
3
2
3
2
2
Distance (km)
85
96
0
117
117
96
144
96
0
20
117
0
20
85
0
108
85
0
85
85
0
Best forecast wave conditions in San Luis Obispo
Rating
(10 max)
4
4
4
3
3
4
3
2
Best forecast wave conditions in United States
Rating
(10 max)
4
3
4
4
3
5
7
4
5
4
3
4
3
3
4
4
3
3
3
2
3
Header Global
Rating
(10 max)
6
5
4
6
4
5
7
4
6
4
4
4
4
4
4
6
5
4
7
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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