The Patch Surf Break

Lat Long: 37.90° N 122.70° W

The Patch Surf Forecast and Surf Report

Issued: 4 am 01 Sep 2026 (local time)

Forecast update in  hr  min

Today's The Patch sea temperature is
15.1°C
0.5° 

The Patch surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


The Patch surf forecast from 1 Sep 2026:

  • Best quality surf: Thursday 3 Sep, 8PM (local time) - 2.5ft (0.7m), 18s period, SW swell with cross-offshore winds.
  • Most powerful swell: Monday 7 Sep, 11AM (local time) - 3.5ft (1.1m), 16s period, SSW swell with 612 kJ wave energy.
  • Next surfable swell (1★+): Thursday 3 Sep, 8PM (local time) - 2.5ft (0.7m), 18s period with SW swell.

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 (Sep 03) at 8PM. The primary swell is predicted to be 0.7m and 18s period with a secondary swell of 1.2m and 10s. 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 1.1m 16s and forecast to arrive on Monday (Sep 07) at 11AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 5s period and expected on Sunday (Sep 06) at 11PM.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Thu 3rd Sep)2.5ft (0.7m) 18s
Best Surf 8PM (Thu 3rd Sep)2.5ft (0.7m) 18s
Most Powerful11AM (Mon 7th Sep)3.5ft (1.1m) 16s

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


The Lowdown

Alright folks, let’s get into it. The Patch is the only spot on the radar for this stretch, and to be honest, it’s a bit of a mixed bag. We’re looking at a long, drawn-out period of small, weak swell, so don’t expect any barnstormers. The first few days are pretty grim, with onshore winds and poor conditions, but there’s a glimmer of hope if you’re patient.

The opening days are a write-off. Tuesday the 1st and Wednesday the 2nd are full of cross-on breezes, chop, and tiny swell – barely a ripple. Thursday the 3rd is a bit of a mess too, with a 2ft SW swell but a moderate breeze making things ugly. You’ll be waiting until the end of the week for anything remotely rideable.

Thursday afternoon on the 3rd sees a slight shift. A 4ft W swell fills in with a short 9-second period, but the combined energy is moderate (518). The wind goes light and cross-shore, so it’s small and a bit bumpy, but it’s a start. Friday the 4th is similar: a 3ft SW swell with a lovely long 18-second period – that’s a proper groundswell. The energy is moderate (954), and the wind turns clean cross-off in the afternoon. The Patch is a beach break, so that long period will make it a bit straight and walled, but the clean conditions will be a treat.

Saturday the 5th stays clean in the afternoon with a cross-off breeze and a 3ft SSW swell. Still small, but rideable. Now, the real standout of the whole forecast is Sunday the 6th. The morning session is your best bet. You’ve got a 3ft SSW swell, 15-second period, light cross-off wind, and the text says "expect good surf conditions." The combined energy is moderate (463). It’s not big, but it’s clean, and the consistency is there. The Patch is a fairly consistent spot, so you won’t be waiting forever between sets. The water temperature is about average for the time of year, so no surprises there.

Monday the 7th morning is also clean with a light cross-off, but the swell is a touch smaller at 2ft. The wind gets a bit strong later in the day, so get out early. Tuesday the 8th is another clean morning with a 3ft SSW swell, but the wind is cross-off from the ENE, which is a nice change. The energy is moderate (371). It’s another good option.

After that, the second week fades fast. The swell drops right off into the 1ft to 2ft range, and the wind is often onshore or cross-on. The 15th of September has a morning of glassy conditions with a 1ft SW swell – it’s small, but glassy, so a longboarder could have a laugh. The energy is weak (131). The 16th is the same story: glassy, 2ft W swell, but again, very small.

The Patch is a beginner-friendly spot, mentioned as "fairly consistent" and "sometimes" crowded. With the swell never getting above 4ft, and most days being under 3ft, it’s fine for all levels, though experts will be bored. For the best chance of a clean wave, set your alarm for Sunday the 6th morning. After that, the pickings are slim. This is a real waiting game, but the clean windows make it worth a look.

Rusty.

Short Range Forecast

Light rain (total 2mm), mostly falling on Thu morning. Very mild (max 18°C on Tue afternoon, min 12°C on Thu night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Very mild (max 17°C on Sat afternoon, min 12°C on Fri morning). Wind will be generally light.

Tuesday
1
Wednesday
2
Thursday
3
Friday
4
Saturday
5
Sunday
6
Monday
7
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
1
0
0
1
0
1
3
2
2
3
2
2
3
3
2
2
3
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
SSW
13
0.6
SSW
13
0.4
SW
18
0.4
SSW
12
0.5
SW
13
0.6
SW
17
0.6
SW
19
1.2
W
9
1.3
WNW
12
0.8
SW
18
0.9
SW
17
1
SW
16
0.9
SSW
16
0.9
SSW
15
0.9
SSW
15
1
SSW
15
0.8
S
16
1
S
16
1.1
SSW
16
1
SSW
15
1.3
WNW
7
Wave Graph
Metric surfscale
Energy kJ
149
114
111
58
94
173
229
246
422
431
465
515
436
414
393
411
330
516
612
474
183
Wind (km/h)
10
SW
15
WSW
10
SSW
15
S
10
WSW
10
SSW
20
S
10
WSW
10
NW
5
W
20
WNW
15
WNW
10
W
15
W
10
WNW
15
WNW
20
WNW
15
NW
5
WNW
20
WNW
5
ENE
Wind State
cross-on
cross-on
on
on
cross-on
on
on
cross
cross-off
cross
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
cross-off
cross-off
High Tide
2:47PM1.28m
4:01AM0.91m
3:29PM1.30m
5:29AM0.85m
4:21PM1.30m
7:11AM0.85m
5:24PM1.30m
8:34AM0.91m
6:36PM1.30m
9:32AM0.98m
7:48PM1.33m
10:16AM1.05m
8:55PM1.36m
Low Tide
8:58AM0.33m
10:03PM0.12m
9:39AM0.44m
11:07PM0.08m
10:31AM0.53m
00:19AM0.05m
11:43AM0.61m
1:36AM0.01m
1:12PM0.63m
2:46AM-0.03m
2:33PM0.60m
3:46AM-0.07m
3:39PM0.52m
4:37AM-0.09m
part cloud
clear
part cloud
part cloud
part cloud
part cloud
light rain
part cloud
part cloud
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>
6:39
6:41
6:41
6:43
6:43
6:43
6:45
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:39
7:38
7:37
7:36
7:34
7:32
7:30
 mm
2
Temp °C
17
18
16
17
17
15
16
17
15
15
15
13
16
17
13
16
16
13
17
18
19
Feels °C
15
15
14
15
16
14
14
17
15
14
13
12
15
15
11
13
12
10
16
15
16
  • 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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