Sand spit surfForecast / CAL – San Luis Obispo / USA

information circle12 Day Weather and Surf, issued 4 am Friday 04 Jul 2025 PDT
Forecast update in hr  min  s Forecast update imminent
Sand spit surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Sand spit sea temperature is
11.5° C
(Which is 3.8°C colder than average for this time of year)


Best Forecast Surf Conditions for Sand spit this week:

The surf forecast for Sand spit over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Jul 04) at 8AM. The primary swell is predicted to be 1.2m and 7s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Sand spit in the next 12 days are 2.5m 8s and forecast to arrive on Friday (Jul 04) at 11PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 17s period and expected on Sunday (Jul 06) at 2PM.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Fri 4th Jul)4ft (1.2m) 7s
Best Surf 2AM (Sat 5th Jul)7ft (2.2m) 8s
Most Powerful11PM (Fri 4th Jul)8ft (2.5m) 8s

Table - best surf conditions forecast for Sand spit over the next 12 days.

Updates in  hr  min  s Forecast update imminent
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.7
SSW
0.9
SSW
2.2
NW
0.9
SSW
0.9
SSW
2.2
NW
0.9
SSW
0.7
SSW
0.7
SSW
0.9
WNW
0.9
SSW
0.9
SSW
0.8
SSW
0.7
SSW
0.4
SW
0.9
WNW
1.3
WNW
1.5
WNW
1.2
WNW
0.5
SW
0.5
SW
1.3
WNW
1.2
WNW
1.1
WNW
0.9
SSW
0.9
SSW
1.2
WNW
0.8
SSW
0.9
SSW
0.9
SSW
2.2
NW
1.9
WNW
1.9
WNW
1.4
WNW
1.8
NW
1.3
WNW
Period(s) (?)17158161481417161015141414188577191910101016167151513999999
Wave
Graph
(?)Metric surfscale
Energy (?)542646120264072713088795934392266365154433871832571764622873533434834513476106831643865095571538759654333862353
Wind
(km/h)
10
W
25
WNW
5
NNW
20
WNW
25
WNW
10
NW
20
WNW
25
WNW
10
NW
10
WSW
10
W
5
N
10
W
15
WNW
10
NW
15
WNW
25
WNW
10
NW
15
WNW
25
WNW
5
NW
10
W
20
WNW
10
NW
15
WNW
15
WNW
5
NNW
10
W
10
WNW
10
NNW
10
WNW
20
WNW
5
E
15
WNW
25
WNW
15
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
ononglassononcross-
on
onononcross-
on
onglassononcross-
on
ononcross-
on
onononcross-
on
oncross-
on
ononglassononcross-
on
ononoffononon
High Tide
/ height (m)
6:19PM
1.91
8:26AM
1.30
6:55PM
1.96
9:28AM
1.35
7:33PM
2.02
10:14AM
1.40
8:11PM
2.08
10:53AM
1.43
8:50PM
2.14
11:28AM
1.46
9:29PM
2.19
12:02PM
1.48
10:08PM
2.21
12:35PM
1.50
10:47PM
2.20
1:08PM
1.54
11:27PM
2.13
1:41PM
1.60
12:11AM
2.01
2:15PM
1.67
1:00AM
1.84
2:49PM
1.76
2:00AM
1.64
Low Tide
/ height (m)
11:23AM
1.05
1:55AM
0.61
12:10PM
1.15
2:37AM
0.47
12:59PM
1.22
3:16AM
0.36
1:47PM
1.25
3:54AM
0.26
2:31PM
1.25
4:31AM
0.18
3:12PM
1.24
5:07AM
0.14
3:53PM
1.23
5:43AM
0.12
4:37PM
1.21
6:17AM
0.13
5:24PM
1.19
6:51AM
0.19
6:18PM
1.16
7:25AM
0.28
7:21PM
1.12
7:58AM
0.41
8:33PM
1.04
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Sunrise5:52--5:54--5:54--5:54--5:54--5:56--5:56--5:56--5:58--5:58--5:58--5:58--
Sunset-8:21--8:21--8:21--8:21--8:21--8:20--8:20--8:20--8:19--8:19--8:19--8:17-
clearclearclearclearclearclearclearclearpart cloudpart cloudclearclearclearclearclearclearclearclearclearpart cloudpart cloudpart cloudpart cloudpart cloudpart cloudclearclearclearclearclearpart cloudpart cloudpart cloudpart cloudpart cloudpart cloud
Rain (mm)
------------------------------------
Temp. °C171614171613161512151514161614201815191813151612151613151613151613151513
Feels °C (?)1513101312101211913131415141217141417151014149131411141412131410131110

Short Range Forecast: Mostly dry. Very mild (max 17°C on Fri morning, min 11°C on Sun night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 20°C on Wed morning, min 12°C on Mon night). Wind will be generally light.

Days 6-9 Weather Summary Mostly dry. Very mild (max 19°C on Thu morning, min 11°C on Fri night). Wind will be generally light.

Long Range Forecast: Mostly dry. Very mild (max 16°C on Sun afternoon, min 12°C on Sun night). Wind will be generally light.

  • 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 Sand spit Surf forecast

The above surf forecast table for Sand spit provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Sand spit can be found by selecting the local surf guide option on the grey menu. Our Sand spit 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 (Sand spit) 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 Sand spit 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.

Sand spit is 18 km (11 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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