The Patch surfForecast / CAL – Marin County / USA

information circle16 Day Weather and Surf, issued 4 am Saturday 16 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
13.0° C
(Which is 1.0°C warmer than normal for this time of year)

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 Saturday (May 16) at 11AM. The primary swell is predicted to be 3.0m and 9s period with a secondary swell of 0.6m and 15s. Another secondary swell of 0.3m and 16s 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 4.5m 11s and forecast to arrive on Saturday (May 16) at 11PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Monday (May 18) at 5AM.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+)11AM (Sat 16th May)10ft (3.0m) 9s
Best Surf11AM (Sat 16th May)10ft (3.0m) 9s
Most Powerful11PM (Sat 16th May)15ft (4.5m) 11s

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. Warm (max 20°C on Mon morning, min 9°C on Sat night). Winds decreasing (strong winds from the NW on Sat afternoon, calm by Mon night).

Days 4-6 Weather Summary

Mostly dry. Warm (max 20°C on Tue afternoon, min 10°C on Wed night). Wind will be generally light.

Saturday
16
Sunday
17
Monday
18
Tuesday
19
Wednesday
20
Thursday
21
Friday
22
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
4
3
2
2
2
2
2
1
0
1
1
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
3
WNW
9
4
WNW
10
4
WNW
11
3
WNW
11
3.5
WNW
11
3.5
NW
11
1.7
WNW
10
2
WNW
10
2.2
WNW
10
1.7
WNW
10
1.5
WNW
10
1.5
WNW
10
1.4
WNW
10
1.5
WNW
12
1.6
WNW
12
1.4
WNW
11
1.3
WNW
11
1.1
WNW
11
1.2
WNW
10
1.3
WNW
10
1.4
WNW
10
Wave Graph
Metric surfscale
Energy kJ
1640
2996
3786
2273
2632
2401
592
842
943
610
483
408
378
583
689
452
373
265
292
338
410
Wind (km/h)
35
NW
45
NW
30
NW
20
NW
30
NW
25
N
20
NW
30
NW
10
NW
0
W
20
WNW
5
SSW
10
S
10
W
10
SSW
10
SSW
10
SW
5
SW
10
SSW
15
SW
15
S
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
glassy
cross-off
cross-on
on
cross
cross-on
on
cross-on
cross-on
cross-on
cross-on
on
High Tide
12:46PM0.98m
11:27PM1.43m
1:43PM0.99m
00:12AM1.44m
2:40PM0.99m
1:02AM1.41m
3:38PM1.00m
1:55AM1.34m
4:36PM1.01m
2:54AM1.24m
5:33PM1.03m
4:00AM1.13m
6:26PM1.07m
Low Tide
6:01PM0.43m
7:10AM-0.36m
6:49PM0.48m
8:00AM-0.37m
7:42PM0.52m
8:52AM-0.35m
8:42PM0.54m
9:47AM-0.29m
9:52PM0.55m
10:45AM-0.21m
11:12PM0.52m
11:44AM-0.12m
00:34AM0.45m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:00
5:58
5:58
5:56
5:56
5:56
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:14
8:15
8:15
8:16
8:17
8:17
8:19
Temp °C
14
14
12
13
19
18
20
19
13
19
20
14
16
17
11
15
16
12
15
15
12
7
5
3
9
12
10
14
13
8
18
16
11
14
15
9
13
14
10
13
13
10
Swell 1
Height (m)
Direction
Period (s)
0.6
SSW
15
0.5
SW
14
0.4
SSW
14
0.4
SW
14
0.4
SW
13
2.5
WNW
11
1.7
WNW
10
0.3
W
18
2.2
WNW
10
1.7
WNW
10
1
W
14
1.5
WNW
10
1.4
WNW
10
1.5
WNW
12
1.6
WNW
12
1.4
WNW
11
1.3
WNW
11
1.1
WNW
11
1.2
WNW
10
1.3
WNW
10
1.4
WNW
10
Energy kJ
144
103
82
49
46
1459
592
56
943
610
405
402
378
583
689
452
373
265
292
338
410
Swell 2
Height (m)
Direction
Period (s)
0.3
SSW
16
0.1
SW
20
0.4
SW
14
0.2
SSW
18
0.4
SW
13
0.2
SSW
13
0.2
SSW
16
0.6
W
16
0.8
W
15
0.3
SW
16
1.1
W
13
0.9
W
12
0.4
SW
16
0.4
SW
15
0.6
SW
19
0.4
SW
15
0.4
SW
15
0.6
SW
18
0.5
SW
18
0.5
SW
15
Energy kJ
47
15
48
30
45
17
26
188
272
42
408
251
89
57
236
83
80
194
152
109
Swell 3
Height (m)
Direction
Period (s)
0.1
SW
20
0.1
SW
18
0.2
SSW
16
0.2
SSW
13
0.3
SW
17
0.3
SSW
15
0.2
SSW
15
0.3
SSW
14
0.4
SW
21
0.3
SSW
14
0.3
SSW
13
0.3
SSW
13
0.3
SSW
12
0.3
SSW
12
0.3
SW
14
0.4
SW
14
0.3
SSW
12
Energy kJ
15
13
26
16
44
44
21
40
162
36
34
34
31
30
32
71
28
Wind waves
Height (m)
Direction
Period (s)
3
WNW
9
4
WNW
10
4
WNW
11
3
WNW
11
3.5
WNW
11
3.5
NW
11
2
WNW
10
1.5
WNW
10
Energy kJ
1640
2996
3786
2273
2632
2401
842
483
Nearest Offshore or Glassy
Rating
(10 max)
3
1
4
4
1
2
2
2
3
3
3
3
2
1
2
2
3
2
3
3
2
Distance (km)
120
122
120
22
122
83
120
121
0
0
121
8
22
25
22
22
31
8
31
31
22
Best forecast wave conditions in Marin County
Rating
(10 max)
4
4
3
4
2
3
2
2
3
3
3
3
2
Best forecast wave conditions in United States
Rating
(10 max)
4
3
6
7
4
5
4
4
4
4
3
4
4
4
3
3
4
4
3
4
4
Header Global
Rating
(10 max)
5
4
6
7
4
5
4
4
4
4
4
4
9
9
9
7
5
4
5
4
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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