The Patch surfForecast / CAL – Marin County / USA

information circle48hr Weather and Surf, issued 4 pm 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)

How big are the waves at The Patch today?

The current surf forecast for The Patch at 12AM is: 4.0m 11s primary swell from a West-northwest direction and 0.4m 14s secondary swell from a South-southwest direction, 0.1m 20s secondary swell from a South direction (forecast issued at 04:00pm May 16). The wind direction is predicted to be cross-offshore and the swell rating is 11.

Time (PDT) & DateWave HeightWave Period
Morning (17 May)13ft (4.0m)11s
Afternoon (17 May)11ft (3.5m)11s
Evening (17 May)10ft (3.0m)11s

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. 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).

Sat
16
Sunday
17
Monday
18
Tue
19
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
8 AM
11 AM
Rating
(10 max)
!
!
!
!
!
!
!
!
!
!
!
!
!
!
3
2
2
1
2
3
4
3
3
3
Swell
Height Map
Height MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
3.5
WNW
9
4
WNW
9
4
WNW
10
4
WNW
10
4
WNW
11
3.5
WNW
11
4
WNW
11
4
WNW
11
3
WNW
11
3.5
WNW
11
3
WNW
11
3
WNW
11
3.5
NW
11
3
NW
10
1.8
WNW
10
1.7
WNW
10
1.7
WNW
10
1.9
WNW
10
2.1
WNW
10
2.1
WNW
10
2.1
WNW
10
1.9
WNW
10
1.7
WNW
10
1.6
WNW
10
Wave Graph
Metric surfscale
Energy kJ
2028
2630
3329
3584
3378
2771
3789
3533
2522
2632
2147
2071
2447
1740
687
581
592
770
868
832
833
717
586
532
Wind (km/h)
40
NW
45
NW
45
NW
35
NW
25
NW
20
NW
15
NW
15
NW
30
NW
30
NW
25
NW
25
NNW
25
N
30
N
20
NNW
15
NNW
25
NW
25
NW
25
NW
15
NW
10
NW
0
NE
5
E
5
NW
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
glassy
glassy
High Tide
12:46PM0.98m
11:27PM1.43m
1:43PM0.99m
00:12AM1.44m
2:40PM0.99m
1:02AM1.41m
Low Tide
6:01PM0.43m
7:10AM-0.36m
6:49PM0.48m
8:00AM-0.37m
7:42PM0.52m
8:52AM-0.35m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:58
5:58
5:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:14
8:15
8:15
8:16
Temp °C
14
13
12
10
9
9
10
13
15
16
15
16
18
18
18
20
18
17
13
13
13
13
15
20
6
4
3
2
3
4
6
9
9
9
9
9
10
10
12
15
12
11
8
10
11
12
14
18
Swell 1
Height (m)
Direction
Period (s)
0.6
SSW
15
0.5
SW
14
0.5
SW
14
0.5
SW
14
0.4
SSW
14
0.4
SSW
14
3
WNW
11
3
WNW
11
0.4
SW
14
0.4
SW
13
0.4
SW
13
0.4
SW
13
2.5
WNW
11
2.2
WNW
10
1.8
WNW
10
1.7
WNW
10
0.3
SSW
16
0.3
W
18
0.3
W
18
0.4
WNW
16
2.1
WNW
10
1.9
WNW
10
1.7
WNW
10
1.6
WNW
10
Energy kJ
142
103
103
103
81
81
2373
2052
47
46
45
45
1487
1022
687
581
51
56
55
89
833
717
586
532
Swell 2
Height (m)
Direction
Period (s)
0.1
SW
20
0.1
SW
20
0.1
SW
20
0.1
S
20
0.4
SSW
14
0.4
SSW
14
0.4
SSW
14
0.1
SW
18
0.2
SSW
18
0.2
SSW
18
0.2
SSW
18
0.4
SW
13
0.4
SW
13
0.3
SSW
13
0.4
SW
16
0.2
SSW
13
0.2
SSW
16
0.3
SW
17
0.3
SW
17
0.6
W
16
0.6
W
16
0.8
W
15
0.8
W
15
Energy kJ
15
15
15
7
81
79
76
12
30
30
31
45
44
34
67
17
26
45
46
188
186
294
272
Swell 3
Height (m)
Direction
Period (s)
0.2
SSW
18
0.2
SSW
18
0.1
SW
18
0.1
SW
18
0.3
SW
17
0.2
SSW
13
0.2
WSW
16
0.2
SSW
13
0.2
SSW
12
0.2
SSW
12
0.3
SW
17
0.3
SSW
15
0.3
SSW
15
0.3
SSW
15
Energy kJ
31
31
13
13
45
17
26
16
15
15
44
47
43
44
Wind waves
Height (m)
Direction
Period (s)
3.5
WNW
9
4
WNW
9
4
WNW
10
4
WNW
10
4
WNW
11
3.5
WNW
11
4
WNW
11
4
WNW
11
3
WNW
11
3.5
WNW
11
3
WNW
11
3
WNW
11
3.5
NW
11
3
NW
10
1.7
WNW
10
1.9
WNW
10
2.1
WNW
10
2.1
WNW
10
Energy kJ
2028
2630
3329
3584
3378
2771
3789
3533
2522
2632
2147
2071
2447
1740
592
770
868
832
Nearest Offshore or Glassy
Rating
(10 max)
4
1
4
4
4
5
5
4
4
4
5
4
4
4
3
3
2
2
3
3
3
3
3
3
Distance (km)
121
122
121
120
120
120
22
22
120
121
121
120
120
54
0
112
120
121
120
0
0
0
0
0
Best forecast wave conditions in Marin County
Rating
(10 max)
5
4
3
3
4
3
3
3
Best forecast wave conditions in United States
Rating
(10 max)
4
2
4
4
6
9
9
7
4
4
5
7
5
4
5
4
4
4
4
4
4
4
4
3
Header Global
Rating
(10 max)
5
5
4
4
6
9
9
7
4
4
5
7
5
4
5
4
4
4
4
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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