Francis Beach surfForecast / CAL – San Mateo / USA

information circle48hr Weather and Surf, issued 10 am Tuesday 19 May 2026 PDT
Forecast update in hr  min  s Forecast update imminent
Francis Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Francis Beach sea temperature is
12.6° C
(Which is normal for this time of year)

How big are the waves at Francis Beach today?

The current surf forecast for Francis Beach at 2PM is: 1.4m 10s primary swell from a West-northwest direction and 0.8m 14s secondary swell from a West direction (forecast issued at 10:00am May 19). The wind direction is predicted to be cross-onshore.

Time (PDT) & DateWave HeightWave Period
Morning (19 May)5ft (1.6m)10s
Afternoon (19 May)4.5ft (1.4m)10s
Evening (19 May)3ft (0.9m)14s

Table - waves today at Francis Beach. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 21°C on Tue afternoon, min 10°C on Wed night). Wind will be generally light.

Tuesday
19
Wednesday
20
Thursday
21
Fri
22
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)
3
2
0
1
1
2
3
3
3
2
1
2
2
3
3
2
3
2
0
1
2
1
1
1
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)
1.6
WNW
10
1.5
WNW
10
1.4
WNW
10
1.7
WNW
10
1.3
WNW
10
1.2
WNW
10
1.3
WNW
10
1.4
WNW
10
1.4
WNW
10
1.4
WNW
10
1.3
WNW
10
1.2
WNW
10
1.2
WNW
10
1.2
WNW
9
1.5
WNW
10
1.7
WNW
10
1.6
WNW
11
1.4
WNW
11
1.3
WNW
11
1.3
WNW
11
1.2
WNW
11
1.2
WNW
11
1.2
WNW
11
1.2
WNW
10
Wave Graph
Metric surfscale
Energy kJ
472
411
378
533
320
284
325
370
370
351
312
264
264
253
446
631
586
436
379
359
308
308
302
291
Wind (km/h)
5
NNW
5
NNW
15
NW
20
NW
10
NW
5
NW
5
WSW
5
WSW
5
W
10
W
10
W
10
W
5
WNW
5
W
5
WSW
5
SSW
5
SW
5
WSW
10
W
10
WSW
5
WSW
5
SSW
10
S
10
S
glassy
cross-on
cross-on
cross-on
cross-on
cross-on
glassy
glassy
glassy
on
on
on
on
glassy
glassy
cross-on
glassy
cross-on
on
on
glassy
cross
cross
cross
High Tide
2:42PM1.33m
00:59AM1.83m
3:40PM1.35m
1:58AM1.69m
4:37PM1.38m
3:04AM1.52m
Low Tide
7:25AM-0.57m
7:14PM0.89m
8:20AM-0.47m
8:24PM0.90m
9:17AM-0.34m
9:44PM0.85m
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
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>
5:56
5:56
5:56
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:15
8:15
8:15
8:16
Temp °C
15
20
21
16
12
11
11
11
12
14
15
14
11
10
10
10
11
14
15
14
12
11
11
10
14
17
16
12
10
9
10
10
11
12
13
12
10
9
9
9
10
12
13
12
11
10
9
8
Swell 1
Height (m)
Direction
Period (s)
1.6
WNW
10
1.5
WNW
10
1.4
WNW
10
1.3
WNW
10
1.3
WNW
10
1.2
WNW
10
1.3
WNW
10
1.4
WNW
10
1.4
WNW
10
1.4
WNW
10
1.3
WNW
10
1.2
WNW
10
1.2
WNW
10
1.2
WNW
9
1.5
WNW
10
1.7
WNW
10
1.6
WNW
11
1.4
WNW
11
1.3
WNW
11
1.3
WNW
11
1.2
WNW
11
1.2
WNW
11
1.2
WNW
11
1.2
WNW
10
Energy kJ
472
411
378
346
318
264
325
370
370
351
312
264
264
253
446
631
586
436
379
359
308
308
302
291
Swell 2
Height (m)
Direction
Period (s)
0.7
W
16
0.7
W
15
0.8
W
14
0.9
W
14
0.9
W
14
0.9
W
13
0.8
W
13
0.8
W
13
0.8
W
13
0.8
W
13
0.7
W
12
0.8
W
12
0.8
W
12
0.8
WNW
12
0.7
W
12
0.4
SW
19
0.5
SW
19
0.4
SW
19
0.3
SW
15
0.4
SW
15
0.4
SW
15
0.4
SW
15
0.4
SW
15
0.4
SW
15
Energy kJ
239
209
268
333
320
284
215
212
212
209
153
174
174
183
141
133
184
133
36
82
82
82
78
54
Swell 3
Height (m)
Direction
Period (s)
0.3
SSW
15
0.3
SW
16
0.3
SW
16
0.4
SW
16
0.3
SW
16
0.3
SW
16
0.3
SW
16
0.3
SW
21
0.4
SW
21
0.3
SW
21
0.3
SW
16
0.4
SW
16
0.4
SW
15
0.4
SW
15
0.3
SW
15
0.3
SW
15
0.3
SW
15
0.3
SW
15
0.3
SW
19
0.2
SSW
13
0.2
SSW
12
0.2
SSW
12
0.2
S
12
0.4
SW
18
Energy kJ
44
42
43
64
42
42
42
72
162
72
40
87
84
80
35
35
36
36
59
16
15
15
11
79
Wind waves
Height (m)
Direction
Period (s)
1.7
WNW
10
Energy kJ
533
Nearest Offshore or Glassy
Rating
(10 max)
3
3
3
2
2
3
3
3
3
2
2
2
2
3
3
3
3
2
2
4
2
2
2
2
Distance (km)
0
7
55
66
65
32
0
0
0
40
40
40
40
0
0
13
0
40
40
257
0
13
13
13
Best forecast wave conditions in San Mateo
Rating
(10 max)
3
4
3
3
3
3
3
3
4
4
2
3
3
3
Best forecast wave conditions in United States
Rating
(10 max)
4
4
4
2
4
4
3
3
3
2
3
2
4
3
3
4
4
3
3
4
2
3
3
3
Header Global
Rating
(10 max)
4
4
4
5
5
5
4
4
4
5
5
4
4
5
5
4
4
4
4
5
5
5
7
8
  • 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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