Saint Annes surfForecast / CAL – San Luis Obispo / USA

information circle12 Day Weather and Surf, issued 3 pm Tuesday 16 Dec 2025 PST
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
15.7° C
(Which is 1.7°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Saint Annes this week:

The surf forecast for Saint Annes over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Dec 16) at 7PM. The primary swell is predicted to be 1.6m and 12s period with a secondary swell of 0.4m and 15s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Saint Annes in the next 12 days are 1.9m 13s and forecast to arrive on Wednesday (Dec 17) at 1AM. Winds are predicted to be cross-offshore at the time the swell arrives.

Wave TypeTime (PST) & Date Wave Height & Period
Next good surf (1 star+) 7PM (Tue 16th Dec)5ft (1.6m) 12s
Best Surf10PM (Tue 16th Dec)6ft (1.8m) 13s
Most Powerful 1AM (Wed 17th Dec)6ft (1.9m) 13s

Table - best surf conditions forecast for Saint Annes over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 22°C on Wed morning, min 14°C on Wed night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 21°C on Sat morning, min 14°C on Fri afternoon). Wind will be generally light.

Tue
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
1
3
2
2
2
2
2
2
0
0
2
2
1
2
1
0
2
0
1
1
0
Swell
Height Map
Wave Height (m) & direction (?)
1
WNW
1.9
WNW
1.7
W
1.7
WNW
1.5
W
1.4
W
1.8
NW
1.2
W
1.3
WNW
1.5
WNW
1.3
WNW
1.3
WNW
1.9
WNW
1.1
W
0.9
W
1
W
1.1
W
1
W
1
W
0.9
W
0.6
NW
Period(s) (?)12131212121212106101111121111121111101013
Wave
Graph
(?)Metric surfscale
Energy kJ (?)28810868418766255378723081154643593791039281184276289227202149138
Wind
(km/h)
15
NNW
15
N
15
N
20
NNW
10
N
15
NNE
20
NNW
10
N
15
NW
25
NW
10
N
10
N
15
NW
5
NNW
5
NW
5
WNW
0
WSW
5
SE
5
WSW
5
ESE
10
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscrosscross-
off
cross-
off
crossglassglasscross-
on
glasscrossglasscross-
off
cross-
on
High Tide
/ height (m)
9:00PM
0.19
7:19AM
0.89
9:46PM
0.20
7:45AM
0.97
10:25PM
0.20
8:12AM
1.02
11:01PM
0.19
8:42AM
1.05
11:34PM
0.18
9:14AM
1.04
12:06AM
0.18
9:50AM
0.98
12:39AM
0.20
10:30AM
0.87
Low Tide
/ height (m)
1:03AM
-0.06
2:54PM
-1.03
1:27AM
-0.00
3:27PM
-1.12
1:49AM
0.02
3:59PM
-1.17
2:15AM
0.03
4:31PM
-1.18
2:46AM
0.02
5:03PM
-1.15
3:25AM
0.02
5:37PM
-1.08
4:12AM
0.02
Tue
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Sunrise--7:03--7:05--7:05--7:05--7:07--7:07--7:07
Sunset4:52--4:52--4:52--4:52--4:53--4:53--4:53--
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
clear
part cloud
cloud
cloud
part cloud
clear
part cloud
cloud
part cloud
Rain (mm)
---------------------
Temp. °C211722221722211617151521191517161517161416
Feels °C (?)171319201618171314111318171417161617161412
  • Map Icons:
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  • 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 12 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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