Francis Beach surfForecast / CAL – San Mateo / USA

information circle48hr Weather and Surf, issued 10 pm Sunday 17 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
12.7° C
(Which is slightly warmer than usual)

How big are the waves at Francis Beach today?

The current surf forecast for Francis Beach at 3AM is: 3.0m 10s primary swell from a West-northwest direction and 2.2m 10s secondary swell from a West-northwest direction, 0.3m 13s secondary swell from a South-southwest direction (forecast issued at 10:00pm May 17). The wind direction is predicted to be cross-shore.

Time (PDT) & DateWave HeightWave Period
Morning (18 May)5.5ft (1.7m)10s
Afternoon (18 May)6ft (1.9m)10s
Evening (18 May)6ft (1.9m)9s

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 Mon morning, min 10°C on Tue night). Winds decreasing (fresh winds from the N on Sun night, calm by Mon night).

Sun
17
Monday
18
Tuesday
19
Wednesday
20
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
2 PM
5 PM
Rating
(10 max)
0
!
!
0
0
1
0
0
0
2
2
3
3
2
0
1
1
2
3
3
3
2
1
1
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
11
3.5
WNW
11
3
WNW
11
2.5
NW
10
1.8
WNW
10
1.6
WNW
10
1.8
WNW
10
1.6
WNW
10
1.9
WNW
9
2
WNW
9
1.9
WNW
10
1.7
WNW
10
1.6
WNW
10
1.5
WNW
10
1.5
WNW
10
1.8
WNW
10
1.3
WNW
10
1.3
WNW
10
1.4
WNW
10
1.5
WNW
10
1.6
WNW
10
1.6
WNW
10
1.6
WNW
10
1.3
WNW
10
Wave Graph
Metric surfscale
Energy kJ
2573
2693
1985
1475
687
500
701
500
641
687
665
574
482
437
464
674
325
332
370
419
482
482
490
305
Wind (km/h)
30
NNW
35
NNW
35
N
35
N
25
N
20
N
25
NW
25
NW
15
NW
10
NW
10
WNW
5
NNW
5
N
10
NNW
20
NW
20
NW
15
NW
5
WNW
5
WSW
5
WSW
5
SW
10
SW
10
WSW
10
W
cross-on
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
glassy
glassy
cross-on
cross-on
cross-on
cross-on
cross-on
glassy
glassy
glassy
cross-on
cross-on
on
High Tide
11:16PM1.96m
1:45PM1.33m
00:06AM1.92m
2:42PM1.33m
00:59AM1.83m
3:40PM1.35m
Low Tide
5:21PM0.79m
6:32AM-0.61m
6:14PM0.85m
7:25AM-0.57m
7:14PM0.89m
8:20AM-0.47m
clear
clear
clear
clear
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
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:58
5:56
5:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:13
8:14
8:15
8:15
Temp °C
16
18
18
17
18
21
19
16
12
11
11
12
16
20
21
16
12
11
10
10
11
14
15
14
9
10
9
8
11
14
12
10
8
9
9
11
15
17
16
12
9
9
9
9
10
13
13
12
Swell 1
Height (m)
Direction
Period (s)
3
WNW
11
2.5
WNW
11
2.3
WNW
11
2.1
WNW
10
1.8
WNW
10
1.6
WNW
10
1.4
WNW
10
0.3
SW
16
1.9
WNW
9
2
WNW
9
1.9
WNW
10
1.7
WNW
10
1.6
WNW
10
1.5
WNW
10
1.5
WNW
10
1.4
WNW
10
1.3
WNW
10
1.3
WNW
10
1.4
WNW
10
1.5
WNW
10
1.6
WNW
10
1.6
WNW
10
1.6
WNW
10
1.3
WNW
10
Energy kJ
1808
1689
1192
882
687
500
435
42
641
687
665
574
482
437
464
426
325
332
370
419
482
482
490
305
Swell 2
Height (m)
Direction
Period (s)
0.4
SW
13
0.4
SW
13
0.4
SW
13
0.2
SSW
13
0.2
SSW
13
0.3
SW
16
0.2
SSW
16
0.2
W
18
0.3
W
18
0.4
WNW
17
0.5
W
16
0.6
W
16
0.7
W
16
0.7
W
15
0.7
W
14
0.9
W
14
0.9
W
14
0.9
W
13
0.9
W
13
0.8
W
13
0.5
W
13
0.5
W
13
0.3
SW
16
0.8
W
12
Energy kJ
45
45
44
17
17
42
26
25
55
96
132
186
239
212
206
333
320
280
268
209
87
87
40
171
Swell 3
Height (m)
Direction
Period (s)
0.2
SSW
18
0.2
SSW
18
0.2
SSW
18
0.2
SSW
18
0.2
SSW
17
0.2
SSW
13
0.2
SSW
13
0.2
SSW
13
0.3
SW
17
0.2
WSW
17
0.4
SW
16
0.2
SSW
15
0.4
SW
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
0.2
SSW
13
0.4
SW
16
Energy kJ
31
31
31
30
28
17
17
16
46
27
66
22
59
42
43
64
42
42
42
72
162
72
18
87
Wind waves
Height (m)
Direction
Period (s)
3.5
WNW
11
3.5
WNW
11
3
WNW
11
2.5
NW
10
1.8
WNW
10
1.6
WNW
10
1.8
WNW
10
Energy kJ
2573
2693
1985
1475
701
500
674
Nearest Offshore or Glassy
Rating
(10 max)
1
3
3
3
2
2
2
2
3
4
4
3
3
3
3
3
3
3
3
3
3
2
1
3
Distance (km)
68
66
66
66
55
55
66
66
32
32
32
0
0
7
55
66
55
32
0
0
0
40
78
102
Best forecast wave conditions in San Mateo
Rating
(10 max)
3
4
4
3
3
3
3
3
3
4
Best forecast wave conditions in United States
Rating
(10 max)
4
6
5
4
4
3
4
4
4
4
4
4
4
3
4
3
4
4
4
4
4
3
3
4
Header Global
Rating
(10 max)
4
6
5
4
4
5
5
4
4
4
4
4
4
4
4
4
5
5
4
5
5
5
5
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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