Stinson Beach surfForecast / CAL – Marin County / USA

information circle16 Day Weather and Surf, issued 4 pm Monday 20 Apr 2026 PDT
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
14.7° C
(Which is 2.8°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Stinson Beach this week:

The surf forecast for Stinson Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Apr 22) at 8AM. The primary swell is predicted to be 1.3m and 10s period with a secondary swell of 0.4m and 16s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Stinson Beach in the next 16 days are 1.6m 12s and forecast to arrive on Tuesday (Apr 21) at 2AM. Winds are predicted to be cross-onshore at the time the swell arrives.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Wed 22nd Apr)4.5ft (1.3m) 10s
Best Surf 8AM (Fri 24th Apr)5.5ft (1.7m) 7s
Most Powerful 2AM (Tue 21st Apr)5ft (1.6m) 12s

Table - best surf conditions forecast for Stinson Beach over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Heavy rain (total 30mm), heaviest during Mon afternoon. Very mild (max 14°C on Tue morning, min 9°C on Wed night). Winds decreasing (fresh winds from the SSE on Mon afternoon, calm by Wed morning).

Days 3-6 Weather Summary Mostly dry. Very mild (max 14°C on Thu afternoon, min 9°C on Thu night). Wind will be generally light.

Mon
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
1
1
0
0
0
1
0
1
2
0
1
1
0
0
0
0
0
1
0
1
0
Swell
Height Map
Wave Height (m) & direction (?)
1.2
W
1.6
W
1.3
W
1.2
W
1
W
0.8
WNW
1.2
W
0.7
W
1.2
W
1.1
W
1.4
WNW
1.2
WNW
0.6
SSW
0.4
W
0.6
WNW
0.5
W
0.6
W
0.8
W
0.9
W
0.8
W
0.8
W
Period(s) (?)131211111010914141377151511141615141413
Wave
Graph
(?)Metric surfscale
Energy kJ (?)4957344413512121112411875374341861361427990107181283329236219
Wind
(km/h)
10
SW
15
S
10
SW
20
WSW
10
W
5
SW
15
WNW
15
NW
5
WNW
25
WNW
20
WNW
5
SW
15
W
10
W
15
SW
15
WSW
10
WSW
10
SW
10
WSW
5
NW
5
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on
oncross-
on
cross-
on
oncross-
on
crossglasscrosscrossoncross-
on
cross-
on
ononcross-
on
oncross-
on
crosscross-
on
High Tide
/ height (m)
3:42PM
0.95
2:11AM
1.33
4:52PM
0.93
3:07AM
1.26
6:04PM
0.94
4:14AM
1.18
7:09PM
0.98
5:31AM
1.09
8:04PM
1.04
6:52AM
1.03
8:48PM
1.10
8:10AM
1.00
9:27PM
1.16
9:20AM
0.98
Low Tide
/ height (m)
8:47PM
0.51
10:01AM
-0.23
9:51PM
0.56
11:06AM
-0.17
11:13PM
0.58
12:14PM
-0.11
12:44AM
0.54
1:22PM
-0.06
2:05AM
0.45
2:23PM
-0.01
3:11AM
0.34
3:15PM
0.05
4:06AM
0.22
Mon
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Sunrise--6:26--6:26--6:24--6:22--6:22--6:20--6:18
Sunset7:50--7:51--7:52--7:52--7:53--7:54--7:55--
mod rain
heavy rain
rain showers
rain showers
rain showers
clear
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
clear
Rain (mm)
914331----------------
Temp. °C131314131113131213141113141112131213141213
Feels °C (?)7101287111081210611128109811111011
  • 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 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 16 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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