Francis Beach surfForecast / CAL – San Mateo / USA

information circle48hr Weather and Surf, issued 4 am Sunday 31 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
14.7° C
(Which is 2.2°C warmer than normal for this time of year)

How big are the waves at Francis Beach today (31 May):

  • Morning surf: Morning surf (31 May, local time) - 6ft (1.9m), 10s period with WNW swell.
  • Afternoon surf: Afternoon surf (31 May, local time) - 5.5ft (1.7m), 10s period with WNW swell.
  • Evening surf: Evening surf (31 May, local time) - 5ft (1.6m), 10s period with WNW swell.

The current surf forecast for Francis Beach at 9AM is: 1.9m 10s primary swell from a West-northwest direction and 0.6m 21s secondary swell from a South-southwest direction (forecast issued at 04:00am May 31). The wind direction is predicted to be cross-onshore.

Time (PDT) & DateWave HeightWave Period
Morning (31 May)6ft (1.9m)10s
Afternoon (31 May)5.5ft (1.7m)10s
Evening (31 May)5ft (1.6m)10s

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

Sunday
31
Monday
1
Tuesday
2
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
8 PM
11 PM
Rating
(10 max)
0
2
3
1
1
0
1
3
3
4
3
2
1
1
2
2
2
3
2
2
0
0
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
2.2
WNW
9
2.2
WNW
10
2
WNW
10
1.8
WNW
10
1.7
WNW
10
1.7
WNW
10
1.6
WNW
10
1.6
WNW
10
0.9
SW
19
0.9
SW
19
1.5
WNW
10
1.4
WNW
10
0.8
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
0.8
SW
16
0.8
SW
16
0.8
SW
16
0.8
SW
16
Wave Graph
Metric surfscale
Energy kJ
804
910
836
690
607
619
554
532
596
522
455
373
379
455
449
444
434
414
395
386
310
306
302
302
Wind (km/h)
15
NW
10
NW
5
NW
15
WNW
15
WNW
15
WNW
15
NW
10
NW
5
WNW
5
W
5
W
10
WNW
15
W
10
WNW
10
WNW
5
WNW
10
WNW
5
WNW
5
WNW
10
W
15
W
15
WNW
15
NW
10
WNW
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
glassy
glassy
on
on
on
cross-on
on
on
glassy
cross-on
on
on
cross-on
cross-on
cross-on
High Tide
12:52PM1.21m
10:50PM1.67m
1:33PM1.21m
11:25PM1.64m
2:12PM1.21m
Low Tide
5:36AM-0.27m
5:11PM0.94m
6:10AM-0.27m
5:49PM0.98m
6:46AM-0.26m
6:28PM1.00m
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
part cloud
part cloud
part cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:50
5:50
5:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:23
8:23
8:24
Temp °C
10
10
11
14
15
14
11
11
10
10
12
15
16
14
12
11
10
10
11
14
14
13
12
11
7
8
9
12
12
11
8
9
9
9
11
13
14
12
11
10
8
9
10
13
12
10
9
9
Swell 1
Height (m)
Direction
Period (s)
2.2
WNW
9
2.2
WNW
10
2
WNW
10
1.8
WNW
10
1.7
WNW
10
1.7
WNW
10
1.6
WNW
10
1.6
WNW
10
1.7
WNW
10
1.6
WNW
10
1.5
WNW
10
1.4
WNW
10
1.3
WNW
10
1.2
WNW
10
1.1
WNW
10
1.1
WNW
10
1.1
WNW
10
1.1
WNW
10
1.1
WNW
9
1.1
WNW
9
0.9
WNW
7
0.9
WNW
9
0.9
WNW
9
1.1
WNW
7
Energy kJ
804
910
836
690
607
619
554
532
596
522
455
373
325
263
218
218
214
205
184
180
76
140
137
102
Swell 2
Height (m)
Direction
Period (s)
0.4
SW
22
0.5
SW
22
0.6
SSW
21
0.5
SW
21
0.6
SW
20
0.6
SW
20
0.6
SW
20
0.8
SW
19
0.9
SW
19
0.9
SW
19
0.7
SW
18
0.7
SW
18
0.8
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
0.8
SW
16
0.8
SW
16
0.8
SW
16
0.8
SW
16
Energy kJ
119
227
302
214
318
309
306
450
540
518
338
327
379
455
449
444
434
414
395
386
310
306
302
302
Swell 3
Height (m)
Direction
Period (s)
0.4
SW
13
0.4
SW
18
0.3
SW
13
0.3
SW
16
0.4
SW
16
0.4
SW
16
0.4
SW
16
0.3
SW
13
0.4
SW
15
0.4
SW
15
0.4
SW
14
0.1
S
16
0.1
S
16
0.1
S
15
0.1
S
15
0.1
S
15
0.4
WNW
9
0.1
SW
22
0.1
SW
21
0.2
WNW
9
Energy kJ
44
80
26
42
67
67
68
27
56
56
52
5
5
4
4
4
32
18
18
8
Wind waves
Height (m)
Direction
Period (s)
1.2
WNW
9
Energy kJ
222
Nearest Offshore or Glassy
Rating
(10 max)
4
4
4
3
3
4
3
4
4
4
3
2
2
3
2
3
2
3
2
2
2
1
2
3
Distance (km)
55
32
15
40
40
66
40
32
32
0
0
40
66
55
40
32
40
0
40
40
505
66
66
32
Best forecast wave conditions in San Mateo
Rating
(10 max)
4
5
4
4
4
3
3
3
3
Best forecast wave conditions in United States
Rating
(10 max)
4
4
5
3
4
4
4
4
4
4
4
4
2
3
4
4
4
3
4
4
3
3
3
3
Header Global
Rating
(10 max)
6
6
6
5
5
5
5
5
5
4
5
5
5
5
5
5
5
4
4
4
5
4
4
4
  • 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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