The Patch surfForecast / CAL – Marin County / USA

information circle16 Day Weather and Surf, issued 4 pm Thursday 21 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
11.7° C
(Which is slightly cooler than normal)

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 Tuesday (May 26) at 5PM. The primary swell is predicted to be 3.0m and 8s period with a secondary swell of 0.8m and 16s. Another secondary swell of 0.1m and 9s 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 11s and forecast to arrive on Wednesday (May 27) at 2AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 6s period and expected on Tuesday (May 26) at 5AM.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 5PM (Tue 26th May)10ft (3.0m) 8s
Best Surf 5PM (Tue 26th May)10ft (3.0m) 8s
Most Powerful 2AM (Wed 27th May)13ft (4.0m) 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. Very mild (max 15°C on Thu afternoon, min 9°C on Thu night). Wind will be generally light.

Days 5-7 Weather Summary

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

Thu
21
Friday
22
Saturday
23
Sunday
24
Monday
25
Tuesday
26
Wednesday
27
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
2
1
1
0
0
0
0
0
0
0
1
1
1
2
2
!
!
4
2
3
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.4
WNW
11
1.2
WNW
10
1.2
WNW
10
1.3
WNW
10
1.1
WNW
10
1.1
WNW
10
0.6
SW
16
0.6
SW
16
0.6
SW
16
0.6
SW
15
0.7
W
14
0.8
SW
15
0.9
WNW
13
1.4
WNW
12
1.9
WNW
8
3
WNW
8
4
WNW
11
2.5
WNW
12
2.4
WNW
11
2.5
WNW
11
2.2
WNW
10
Wave Graph
Metric surfscale
Energy kJ
436
310
281
314
240
231
203
161
157
186
206
276
277
521
408
1356
3533
1649
1511
1689
984
Wind (km/h)
15
W
10
WSW
15
SSW
15
SW
10
SSW
15
S
15
SSW
15
SSW
15
SSW
15
WSW
10
WSW
15
WSW
15
W
20
WNW
30
WNW
40
WNW
10
NNW
10
WNW
25
NW
20
NW
15
NW
cross
cross-on
on
cross-on
on
on
cross-on
on
on
cross-on
cross
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
5:33PM1.03m
4:00AM1.13m
6:26PM1.07m
5:14AM1.01m
7:14PM1.12m
6:35AM0.91m
7:58PM1.17m
7:59AM0.85m
8:36PM1.21m
9:18AM0.84m
9:10PM1.24m
10:27AM0.85m
9:42PM1.25m
11:26AM0.87m
Low Tide
11:12PM0.52m
11:44AM-0.12m
00:34AM0.45m
12:41PM-0.02m
1:50AM0.35m
1:36PM0.08m
2:55AM0.23m
2:27PM0.18m
3:50AM0.12m
3:14PM0.28m
4:37AM0.02m
3:58PM0.37m
5:18AM-0.06m
clear
part cloud
part cloud
clear
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:54
5:54
5:54
5:52
5:52
5:52
5:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:17
8:19
8:20
8:21
8:22
8:22
8:22
8:23
Temp °C
15
11
14
15
12
13
14
12
13
13
12
12
13
12
13
14
12
15
15
13
16
13
9
12
13
10
10
11
10
10
10
10
9
10
9
7
7
5
13
10
7
12
Swell 1
Height (m)
Direction
Period (s)
1.4
WNW
11
1.2
WNW
10
1.2
WNW
10
1.3
WNW
10
1.1
WNW
10
1.1
WNW
10
0.9
WNW
10
0.6
WNW
10
0.8
WNW
9
0.7
WNW
9
0.7
W
14
0.8
W
13
0.9
WNW
13
0.9
SW
15
1
WNW
13
0.8
SW
16
3
WNW
11
2.5
WNW
12
0.6
SW
14
2.5
WNW
11
2.2
WNW
10
Energy kJ
436
310
281
314
240
231
151
64
98
88
206
219
277
335
356
295
2356
1649
167
1689
984
Swell 2
Height (m)
Direction
Period (s)
0.4
SW
15
0.4
SW
15
0.6
SW
18
0.4
SW
18
0.5
SW
15
0.6
SW
16
0.6
SW
16
0.6
SW
16
0.6
SW
16
0.6
SW
15
0.6
WNW
9
0.8
SW
15
0.6
SW
15
0.2
S
9
0.8
SW
16
0.1
S
9
0.7
SW
15
0.6
SW
14
0.1
W
24
0.5
SW
14
0.8
W
20
Energy kJ
84
80
194
109
109
203
203
161
157
186
66
276
176
7
291
2
239
169
11
99
485
Swell 3
Height (m)
Direction
Period (s)
0.3
SSW
13
0.3
SSW
12
0.3
SW
14
0.4
SW
14
0.3
SSW
12
0.1
SW
22
0.1
SW
21
0.5
WNW
7
0.3
WNW
16
0.5
W
16
0.6
SW
15
0.4
WNW
9
0.5
SW
18
0.4
SSW
17
0.2
S
10
0.1
S
9
0.1
W
24
0.4
WNW
22
0.5
SW
14
Energy kJ
31
30
32
73
29
18
18
25
53
131
134
31
152
111
7
2
11
156
95
Wind waves
Height (m)
Direction
Period (s)
0.3
S
2
0.4
S
3
0.4
S
3
0.4
SSW
3
0.4
SSW
3
0.3
S
3
1.4
WNW
12
1.9
WNW
8
3
WNW
8
4
WNW
11
2.4
WNW
11
Energy kJ
1
3
3
4
3
1
521
408
1356
3533
1511
Nearest Offshore or Glassy
Rating
(10 max)
1
1
2
3
1
2
2
2
2
3
2
3
1
3
2
1
6
4
3
4
3
Distance (km)
25
22
22
31
22
60
31
45
60
99
22
132
121
100
585
122
8
0
121
100
121
Best forecast wave conditions in Marin County
Rating
(10 max)
3
1
2
3
1
2
2
2
7
4
Best forecast wave conditions in United States
Rating
(10 max)
3
3
2
3
2
3
3
3
3
3
3
3
1
3
2
2
7
4
3
4
3
Header Global
Rating
(10 max)
5
7
6
5
4
8
5
6
5
5
4
4
4
6
5
6
9
6
5
9
7
  • 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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