Stinson Beach surfForecast / CAL – Marin County / USA

information circle12 Day Weather and Surf, issued 9 pm Tuesday 16 Dec 2025 PST
Forecast update in hr  min  s Forecast update imminent
Stinson Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Stinson Beach sea temperature is
12.4° C
(Which is normal for this time of year)


Best Forecast Surf Conditions for Stinson Beach this week:

The surf forecast for Stinson Beach over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Dec 18) at 4AM. The primary swell is predicted to be 1.4m and 12s period with a secondary swell of 1.0m and 10s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Stinson Beach in the next 12 days are 2.5m 8s and forecast to arrive on Wednesday (Dec 24) at 4AM. 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+) 4AM (Thu 18th Dec)4.5ft (1.4m) 12s
Best Surf 4AM (Thu 18th Dec)4.5ft (1.4m) 12s
Most Powerful 4AM (Wed 24th Dec)8ft (2.5m) 8s

Table - best surf conditions forecast for Stinson Beach over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 3mm), mostly falling on Fri afternoon. Very mild (max 15°C on Tue night, min 10°C on Wed night). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 65mm), heaviest during Mon afternoon. Very mild (max 15°C on Sat morning, min 13°C on Fri night). Wind will be generally light.

Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tue
23
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
2
2
1
2
2
1
2
0
0
2
1
1
2
0
0
0
0
0
0
0
1
Swell
Height Map
Wave Height (m) & direction (?)
1.7
W
1.6
W
1.6
W
1.5
W
1.6
W
1.5
W
1.3
W
1.5
W
1.8
W
1.8
W
1.2
W
1
WNW
0.9
W
1.6
SW
1.4
WSW
1.3
WSW
1.1
W
1.1
W
0.8
WNW
1.1
WNW
1.2
WNW
Period(s) (?)121211121111101011111012116771010101212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)805690652594606505346486743750323303190171178172250225125339368
Wind
(km/h)
10
SSW
5
SSW
15
WNW
10
NW
5
NW
10
NW
5
W
15
SSW
15
SSW
10
SSW
5
SSW
10
WSW
10
E
10
S
15
SSW
10
SW
10
S
20
SSW
20
S
30
SSE
10
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
ononcross-
on
crossglasscrossglasscross-
on
cross-
on
cross-
on
cross-
on
oncross-
off
cross-
on
cross-
on
oncross-
on
cross-
on
cross-
on
cross-
on
cross-
on
High Tide
/ height (m)
10:39PM
0.91
8:51AM
1.29
11:25PM
0.94
9:25AM
1.30
12:05AM
0.96
10:00AM
1.30
12:42AM
0.97
10:37AM
1.30
1:17AM
0.98
11:14AM
1.29
1:52AM
0.99
11:53AM
1.26
2:27AM
1.00
12:34PM
1.21
Low Tide
/ height (m)
3:34AM
0.57
4:47PM
-0.08
4:15AM
0.60
5:21PM
-0.11
4:54AM
0.62
5:55PM
-0.13
5:31AM
0.64
6:29PM
-0.14
6:08AM
0.64
7:04PM
-0.14
6:47AM
0.64
7:40PM
-0.12
7:32AM
0.63
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tue
23
Sunrise-7:20--7:20--7:20--7:20--7:22--7:22--7:22-
Sunset--4:52--4:52--4:52--4:53--4:53--4:54--4:54
light rain
cloud
clear
clear
clear
clear
part cloud
part cloud
light rain
light rain
part cloud
light rain
light rain
light rain
heavy rain
heavy rain
heavy rain
heavy rain
light rain
light rain
heavy rain
Rain (mm)
1-------24-251121212174236
Temp. °C151513111414131514141514141415151414141412
Feels °C (?)14151110121212131113161413131314131111911
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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Information about the Stinson Beach Surf forecast

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

Stinson Beach is 10 km (6 miles) from the city of Corte Madera. If you plan a vacation in Marin County, look for hotels and other accommodation in Corte Madera. Corte Madera has rooms for a wide range of budgets as well as car hire and transport links.

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