San Mateo Surf Break

San Mateo 48 hour detailed Surf Forecast

Lat Long: 0.95° S 80.83° W

Issued: 6 pm 20 Jun 2026 (local time)

Forecast update in  hr  min

Today's San Mateo sea temperature is
27.0° C

3.9°C warmer than normal for this time of year

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


How big are the waves at San Mateo today (21 Jun):

  • Morning surf: Morning surf (21 Jun, local time) - 2ft (0.6m), 18s period with SW swell.
  • Afternoon surf: Afternoon surf (21 Jun, local time) - 2ft (0.6m), 18s period with SW swell.
  • Evening surf: Evening surf (21 Jun, local time) - 2.5ft (0.7m), 16s period with SW swell.

The current surf forecast for San Mateo at 1AM is: 0.8m 14s primary swell from a Southwest direction and 0.6m 18s secondary swell from a Southwest direction (forecast issued at 06:00pm June 20). An open ocean swell of 0.9m 6s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (-05) & DateWave HeightWave Period
Morning (21 Jun)2ft (0.6m)18s
Afternoon (21 Jun)2ft (0.6m)18s
Evening (21 Jun)2.5ft (0.7m)16s

Table - waves today at San Mateo. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 27°C on Sun morning, min 25°C on Sat afternoon). Wind will be generally light.

Sat
20
Sunday
21
Monday
22
Tue
23
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
Rating
(10 max)
0
0
0
0
0
2
1
0
0
0
0
2
1
1
2
1
0
1
1
1
1
2
2
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
SW
14
0.8
SW
14
0.8
SW
14
0.8
SW
14
0.6
SW
18
0.6
SW
18
0.6
SW
18
0.7
SW
13
0.6
SW
18
0.6
SW
17
0.7
SW
16
0.7
SW
16
0.7
SW
16
0.6
SW
20
0.7
SW
20
0.8
SW
19
1
SW
19
0.8
SW
18
0.9
SW
18
1.2
SW
18
1.3
SW
18
1.3
SW
17
1.3
SW
17
1.3
SW
16
Wave Graph
Metric surfscale
Energy kJ
350
293
245
231
197
197
197
173
192
173
254
254
254
241
373
450
694
468
528
881
985
962
940
875
Wind (km/h)
20
SW
20
SW
20
SW
20
SW
15
SSW
15
S
10
SSW
15
WSW
25
SW
20
SSW
15
SW
15
SW
10
SW
10
SSW
5
SW
15
WSW
15
WSW
10
WSW
10
WSW
15
WSW
10
SW
10
SW
10
WSW
15
WSW
Wind State
cross-on
cross
cross
cross
cross
cross-off
cross
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
High Tide
8:06PM2.26m
8:43AM2.45m
9:06PM2.13m
9:37AM2.33m
10:09PM2.03m
10:32AM2.23m
Low Tide
2:06PM0.49m
2:17AM0.39m
3:03PM0.56m
3:12AM0.57m
4:02PM0.62m
4:10AM0.72m
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:22
6:22
6:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:25
6:27
6:27
6:27
 mm
Temp °C
26
25
25
25
25
25
26
27
26
25
25
25
25
25
26
26
26
25
25
25
25
25
26
26
Feels °C
26
25
25
26
26
27
28
28
26
26
26
27
27
28
30
28
28
28
28
27
28
28
29
27
Swell 1
Height (m)
Direction
Period (s)
0.9
SW
14
0.8
SW
14
0.8
SW
14
0.8
SW
14
0.7
SW
14
0.7
SW
13
0.7
SW
13
0.7
SW
13
0.6
SW
13
0.6
SW
13
0.7
SW
16
0.7
SW
16
0.8
SSW
7
0.7
SW
6
0.7
SSW
6
0.8
SW
19
1
SW
19
0.8
SW
18
0.9
SW
18
1.2
SW
18
1.3
SW
18
1.3
SW
17
1.3
SW
17
1.3
SW
16
Energy kJ
350
293
245
231
181
176
176
173
142
142
254
254
56
42
35
450
694
468
528
881
985
962
940
875
Swell 2
Height (m)
Direction
Period (s)
0.4
SW
20
0.4
SW
19
0.5
SW
18
0.6
SW
18
0.6
SW
18
0.6
SW
18
0.6
SW
18
0.5
SW
18
0.6
SW
18
0.6
SW
17
0.6
SW
13
0.6
SW
13
0.7
SW
16
0.6
SW
16
0.7
SW
20
0.8
SSW
6
0.8
SSW
6
0.7
SSW
6
0.7
SSW
6
0.7
SSW
6
0.6
SSW
6
0.1
NW
10
0.6
SSW
7
0.1
NW
10
Energy kJ
97
127
159
199
197
197
197
154
192
173
108
106
254
208
373
44
44
34
35
35
26
4
34
4
Swell 3
Height (m)
Direction
Period (s)
0.2
WNW
12
0.2
WNW
12
0.2
WNW
12
0.2
WNW
12
0.2
WNW
12
0.2
WNW
11
0.2
WNW
11
0.1
NW
11
0.1
NW
11
0.3
SW
21
0.4
SW
21
0.4
SW
21
0.5
SW
13
0.6
SW
20
0.6
SW
16
0.6
SW
16
0.4
SW
12
0.6
SW
15
0.5
SW
15
0.3
SW
12
0.1
NW
10
0.1
NW
10
0.2
WSW
11
Energy kJ
14
14
14
14
13
13
12
5
5
72
117
160
80
241
208
161
52
136
104
22
4
4
12
Wind waves
Height (m)
Direction
Period (s)
0.9
SSW
6
0.9
SSW
7
0.9
SSW
7
0.9
SSW
6
0.9
SSW
6
0.8
SSW
6
0.9
SSW
7
0.9
SSW
6
0.9
SSW
6
0.9
SSW
6
0.9
SSW
6
0.8
SSW
7
0.6
SSW
7
0.6
SSW
7
Energy kJ
74
76
76
71
71
54
68
66
71
64
64
56
31
34
Nearest Offshore or Glassy
Rating
(10 max)
2
2
3
2
2
2
2
1
1
2
2
2
2
2
3
3
3
3
4
4
3
3
3
3
Distance (km)
941
864
138
141
7
0
7
1054
1054
141
141
141
141
7
7
141
912
141
815
141
141
7
141
141
Best forecast wave conditions in Manabi
Rating
(10 max)
2
2
2
2
3
3
Best forecast wave conditions in Ecuador
Rating
(10 max)
3
2
2
2
2
1
1
2
2
2
2
2
3
3
4
4
4
4
4
3
3
Header Global
Rating
(10 max)
5
9
9
9
8
8
7
7
7
6
6
6
7
6
5
5
5
5
5
6
5
5
6
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
How to use the Wavefinder 

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