The Patch surfForecast / CAL – Marin County / USA

information circle16 Day Weather and Surf, issued 4 am Tuesday 12 May 2026 PDT
Forecast update in hr  min  s Forecast update imminent
The Patch surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's The Patch sea temperature is
12.8° C
(Which is slightly warmer than usual)

Best Forecast Surf Conditions for The Patch this week:

The surf forecast for The Patch over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (May 14) at 2AM. The primary swell is predicted to be 1.9m and 8s period with a secondary swell of 0.9m and 12s. Another secondary swell of 0.5m and 13s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at The Patch in the next 16 days are 4.0m 10s and forecast to arrive on Sunday (May 17) at 5PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 6s period and expected on Wednesday (May 13) at 5AM.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Thu 14th May)6ft (1.9m) 8s
Best Surf 2PM (Fri 15th May)10ft (3.0m) 9s
Most Powerful 5PM (Sun 17th May)13ft (4.0m) 10s

Table - best surf conditions forecast for The Patch over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 15°C on Thu morning, min 10°C on Tue morning). Winds decreasing (fresh winds from the NW on Wed afternoon, calm by Thu morning).

Days 4-6 Weather Summary

Mostly dry. Very mild (max 15°C on Fri afternoon, min 9°C on Fri night). Mainly strong winds.

Tuesday
12
Wednesday
13
Thursday
14
Friday
15
Saturday
16
Sunday
17
Monday
18
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
1
1
1
3
4
2
3
2
!
!
!
0
!
!
!
3
2
2
4
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.2
WNW
11
1.5
WNW
11
0.8
W
12
1.7
WNW
11
2.3
WNW
7
1.9
WNW
8
1.9
WNW
8
2.1
WNW
8
2.5
WNW
9
2.3
WNW
9
3
WNW
9
3.5
WNW
9
3.5
WNW
9
4
WNW
9
3.5
WNW
10
3.5
WNW
10
4
WNW
10
2.5
WNW
10
1.9
WNW
10
2.2
WNW
10
2.4
WNW
10
Wave Graph
Metric surfscale
Energy kJ
356
505
177
691
482
422
500
636
1122
811
1575
1877
1656
2244
2345
2482
3382
1326
776
981
1108
Wind (km/h)
10
W
25
WNW
20
WNW
25
WNW
35
NW
10
NNW
10
WNW
25
WNW
20
NW
25
NW
40
NW
40
NW
40
NW
50
NW
30
NW
15
NW
35
NW
20
NNW
20
NW
25
WNW
10
NW
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
8:31AM0.88m
9:02PM1.16m
9:42AM0.90m
9:33PM1.24m
10:47AM0.93m
10:08PM1.32m
11:48AM0.96m
10:45PM1.39m
12:46PM0.98m
11:27PM1.43m
1:43PM0.99m
00:12AM1.44m
2:40PM0.99m
1:02AM1.41m
Low Tide
3:02PM0.17m
4:10AM0.12m
3:46PM0.23m
4:53AM-0.04m
4:30PM0.30m
5:37AM-0.18m
5:15PM0.37m
6:23AM-0.29m
6:01PM0.43m
7:10AM-0.36m
6:49PM0.48m
8:00AM-0.37m
7:42PM0.52m
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:03
6:01
6:01
6:00
6:00
5:58
5:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:10
8:12
8:12
8:13
8:14
8:15
8:15
Temp °C
13
14
13
13
14
11
15
15
12
14
15
11
13
13
12
14
15
13
18
17
13
11
11
6
8
7
5
13
11
7
9
8
3
5
3
3
10
9
8
14
12
8
Swell 1
Height (m)
Direction
Period (s)
1.2
WNW
11
0.6
SW
15
0.8
W
12
0.5
SW
14
0.5
SW
13
0.9
W
12
1.6
WNW
8
0.7
SW
16
0.6
SW
16
0.7
SW
15
0.6
SSW
15
0.6
SSW
15
0.6
SSW
15
0.6
SSW
14
0.5
SW
14
0.4
SSW
14
0.4
SW
13
0.4
SW
13
1.9
WNW
10
0.2
SSW
13
2.4
WNW
10
Energy kJ
356
171
177
91
88
220
354
264
201
229
146
158
144
140
103
75
46
45
776
16
1108
Swell 2
Height (m)
Direction
Period (s)
0.6
SW
15
0.7
SW
15
0.6
SSW
14
0.2
SSW
19
0.4
SW
18
0.5
SW
13
0.9
W
11
0.8
SSW
16
0.1
W
19
0.3
W
18
0.1
S
10
0.3
SSW
16
0.1
SW
20
0.1
SW
20
0.2
SSW
18
0.1
SW
18
0.3
SSW
13
0.2
SSW
16
0.5
W
16
Energy kJ
171
217
140
36
80
88
184
295
7
55
2
51
15
15
30
13
34
26
127
Swell 3
Height (m)
Direction
Period (s)
0.1
S
11
0.2
S
11
0.1
SW
20
0.2
SSW
19
0.4
SW
18
0.4
SW
18
0.6
SSW
16
0.1
S
11
0.1
SW
18
0.1
S
18
0.2
SSW
16
0.2
W
18
0.3
SW
17
Energy kJ
2
10
15
37
80
80
179
2
12
6
26
24
44
Wind waves
Height (m)
Direction
Period (s)
1.5
WNW
11
1.3
WNW
6
1.7
WNW
11
2.3
WNW
7
1.9
WNW
8
1.9
WNW
8
2.1
WNW
8
2.5
WNW
9
2.3
WNW
9
3
WNW
9
3.5
WNW
9
3.5
WNW
9
4
WNW
9
3.5
WNW
10
3.5
WNW
10
4
WNW
10
2.5
WNW
10
2.2
WNW
10
Energy kJ
505
123
691
482
422
500
636
1122
811
1575
1877
1656
2244
2345
2482
3382
1326
981
Nearest Offshore or Glassy
Rating
(10 max)
2
2
3
2
1
3
3
1
3
3
1
3
4
2
3
4
4
3
2
3
3
Distance (km)
22
121
87
120
122
0
0
121
22
120
122
120
121
764
120
121
121
71
22
121
0
Best forecast wave conditions in Marin County
Rating
(10 max)
2
4
4
3
2
4
Best forecast wave conditions in United States
Rating
(10 max)
2
2
3
2
2
4
4
3
4
3
2
4
4
2
5
4
4
7
5
4
4
Header Global
Rating
(10 max)
9
9
6
8
9
5
5
5
5
5
5
4
6
5
5
4
4
7
5
5
4
  • 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 The Patch Surf forecast

The above surf forecast table for The Patch provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at The Patch can be found by selecting the local surf guide option on the grey menu. Our The Patch 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 (The Patch) 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 The Patch 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.

The Patch is 15 km (9 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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