The Patch surfForecast / CAL – Marin County / USA

information circle48hr Weather and Surf, issued 10 am Sunday 31 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 normal for this time of year)

How big are the waves at The Patch today (31 May):

  • Morning surf: Morning surf (31 May, local time) - 8ft (2.5m), 10s period with NW swell.
  • Afternoon surf: Afternoon surf (31 May, local time) - 6ft (1.8m), 10s period with WNW swell.
  • Evening surf: Evening surf (31 May, local time) - 6ft (1.8m), 10s period with WNW swell.

The current surf forecast for The Patch at 2PM is: 1.8m 10s primary swell from a West-northwest direction and 0.6m 20s secondary swell from a Southwest direction (forecast issued at 10:00am May 31). The wind direction is predicted to be cross-offshore.

Time (PDT) & DateWave HeightWave Period
Morning (31 May)8ft (2.5m)10s
Afternoon (31 May)6ft (1.8m)10s
Evening (31 May)6ft (1.8m)10s

Table - waves today at The Patch. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 16°C on Mon morning, min 10°C on Mon night). Wind will be generally light.

Sunday
31
Monday
1
Tuesday
2
Wed
3
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
Rating
(10 max)
4
4
4
3
3
4
3
4
4
2
2
2
2
2
2
2
2
1
2
2
2
2
2
2
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
2.5
NW
10
2.1
WNW
10
1.8
WNW
10
2.4
WNW
10
1.8
WNW
10
1.8
WNW
10
1.8
WNW
10
0.9
SW
19
0.9
SW
18
0.9
SW
18
0.9
SW
18
0.9
SW
18
0.9
SW
18
0.9
SW
18
0.9
SW
17
0.9
SW
17
0.9
SW
16
0.9
SW
16
0.9
SW
16
0.9
SW
16
0.9
SW
16
0.9
SW
16
0.9
SW
16
0.8
SW
16
Wave Graph
Metric surfscale
Energy kJ
1129
850
717
1161
703
690
690
610
512
465
460
522
516
510
499
482
454
443
376
371
367
367
362
344
Wind (km/h)
10
NW
10
WNW
15
WNW
20
WNW
15
WNW
10
WNW
5
WSW
5
W
5
S
5
SW
10
W
15
W
10
W
10
W
10
W
5
W
5
W
10
WSW
15
WSW
20
WNW
20
WNW
20
NW
20
WNW
20
NW
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-on
glassy
glassy
cross-on
cross
cross-off
cross
cross
cross
cross
cross
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
1:48PM0.91m
11:46PM1.23m
2:28PM0.91m
00:21AM1.21m
3:08PM0.91m
00:58AM1.18m
Low Tide
7:04AM-0.17m
6:39PM0.57m
7:38AM-0.17m
7:17PM0.59m
8:14AM-0.16m
7:57PM0.61m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:50
5:50
5:50
5:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:25
8:27
8:27
8:28
Temp °C
12
14
15
14
12
11
11
11
13
16
16
15
12
10
10
10
11
13
14
13
11
10
10
10
10
12
12
10
9
9
10
10
12
15
14
12
10
8
8
9
10
11
12
9
8
6
6
7
Swell 1
Height (m)
Direction
Period (s)
2.2
WNW
10
2.1
WNW
10
1.8
WNW
10
1.8
WNW
10
1.8
WNW
10
1.8
WNW
10
1.8
WNW
10
1.7
WNW
10
1.6
WNW
10
1.4
WNW
10
1.3
WNW
10
1.3
WNW
10
1.2
WNW
10
1.2
WNW
10
1.2
WNW
10
1.2
WNW
9
1.2
WNW
9
1.2
WNW
9
1.1
WNW
9
0.9
SW
16
0.9
SW
16
0.9
SW
16
0.9
SW
16
0.8
SW
16
Energy kJ
947
850
717
731
703
690
690
610
512
394
325
325
275
258
253
227
213
213
180
371
367
367
362
299
Swell 2
Height (m)
Direction
Period (s)
0.6
SSW
21
0.6
SW
21
0.6
SW
20
0.7
SW
20
0.8
SW
20
0.8
SW
19
0.9
SW
19
0.9
SW
19
0.9
SW
18
0.9
SW
18
0.9
SW
18
0.9
SW
18
0.9
SW
18
0.9
SW
18
0.9
SW
17
0.9
SW
17
0.9
SW
16
0.9
SW
16
0.9
SW
16
0.1
SW
22
0.1
SW
21
0.1
SW
21
0.2
SSW
21
0.4
SW
20
Energy kJ
302
355
322
392
455
450
621
602
481
465
460
522
516
510
499
482
454
443
376
18
18
18
44
100
Swell 3
Height (m)
Direction
Period (s)
0.4
SW
13
0.4
SW
13
0.4
SW
16
0.4
SW
16
0.4
SW
16
0.4
SW
13
0.4
SW
15
0.4
SW
14
0.4
SW
14
0.1
S
15
0.1
S
15
0.1
S
24
0.1
S
15
0.1
SW
22
0.1
S
15
0.2
S
14
0.2
S
14
0.1
W
14
0.2
S
14
Energy kJ
42
42
67
67
67
46
54
54
54
4
4
11
4
18
4
16
16
4
16
Wind waves
Height (m)
Direction
Period (s)
2.5
NW
10
2.4
WNW
10
1.1
WNW
9
1.3
WNW
7
1.7
WNW
7
1.8
WNW
7
1.8
WNW
7
Energy kJ
1129
1161
176
149
256
325
344
Nearest Offshore or Glassy
Rating
(10 max)
3
3
3
2
3
3
4
3
3
3
3
3
2
2
2
3
3
2
2
1
1
2
2
2
Distance (km)
0
0
0
121
22
0
8
0
0
8
25
217
22
22
22
8
8
22
25
121
120
22
22
22
Best forecast wave conditions in Marin County
Rating
(10 max)
4
4
4
3
4
5
4
4
3
3
2
2
2
4
3
2
3
2
2
2
Best forecast wave conditions in United States
Rating
(10 max)
4
4
4
3
4
5
5
4
4
4
3
3
4
4
4
4
4
3
3
3
3
3
4
4
Header Global
Rating
(10 max)
6
5
5
5
5
5
5
4
5
5
5
8
5
4
6
4
5
4
5
5
5
4
4
5
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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