Francis Beach surfForecast / CAL – San Mateo / USA

information circle48hr Weather and Surf, issued 10 am Friday 15 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
14.5° C
(Which is 2.3°C warmer than normal for this time of year)

How big are the waves at Francis Beach today?

The current surf forecast for Francis Beach at 1PM is: 2.2m 9s primary swell from a West-northwest direction and 0.6m 15s secondary swell from a South-southwest direction, 0.3m 17s secondary swell from a West direction (forecast issued at 10:00am May 15). The wind direction is predicted to be cross-onshore.

Time (PDT) & DateWave HeightWave Period
Morning (15 May)8ft (2.5m)9s
Afternoon (15 May)8ft (2.4m)9s
Evening (15 May)10ft (3.0m)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 Sun night, min 10°C on Sat night). Winds increasing (light winds from the NW on Fri morning, strong winds from the NW by Sat afternoon).

Friday
15
Saturday
16
Sunday
17
Mon
18
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)
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
!
0
2
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)
2.5
WNW
9
2.5
WNW
9
2.2
WNW
9
2.5
WNW
9
3
WNW
9
3
WNW
10
3
WNW
10
3.5
WNW
10
3
WNW
10
3
WNW
10
3
WNW
10
3.5
WNW
10
4
WNW
10
4
WNW
11
3.5
WNW
11
4.5
WNW
11
3
WNW
11
3
WNW
11
3
WNW
11
3.5
WNW
11
3.5
WNW
11
3.5
WNW
11
2.5
WNW
11
2.2
WNW
10
Wave Graph
Metric surfscale
Energy kJ
1291
1117
802
1132
1513
1758
1874
2022
1758
1536
1780
2420
2982
3349
3247
4558
2370
2086
2166
2614
3133
3059
1395
1003
Wind (km/h)
15
NW
25
NW
30
NW
30
NW
35
NW
30
NW
35
NW
40
NW
40
NW
40
NW
40
NW
40
NW
40
NW
40
NW
35
NW
30
NW
25
NW
20
NNW
30
NW
30
NW
25
NW
25
NNW
25
NNW
25
NNW
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross
High Tide
10:52AM1.28m
9:49PM1.90m
11:50AM1.31m
10:31PM1.95m
12:48PM1.33m
11:16PM1.96m
Low Tide
3:47PM0.61m
4:55AM-0.47m
4:33PM0.71m
5:43AM-0.58m
5:21PM0.79m
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>
6:00
6:00
5:58
5:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:10
8:12
8:13
8:14
Temp °C
12
13
13
13
11
11
11
11
11
13
13
12
11
10
10
10
11
13
15
14
13
16
15
16
9
8
7
7
4
4
3
3
3
5
5
3
2
2
3
4
6
8
9
8
8
10
9
10
Swell 1
Height (m)
Direction
Period (s)
2.2
WNW
9
2.2
WNW
9
0.6
SSW
15
0.6
SSW
15
0.6
SSW
15
0.6
SSW
15
0.6
W
15
0.5
SW
15
0.6
W
15
0.5
SW
15
0.5
SW
14
0.4
SSW
14
0.4
SSW
14
0.4
SSW
14
0.4
SSW
14
3.5
WNW
11
3
WNW
11
3
WNW
11
0.4
SW
14
0.4
SW
13
3
WNW
11
3
WNW
11
2.5
WNW
11
2.2
WNW
10
Energy kJ
856
753
148
146
146
148
161
116
150
106
103
82
82
82
81
2923
2370
2086
46
46
2097
1967
1395
1003
Swell 2
Height (m)
Direction
Period (s)
0.6
SSW
15
0.6
SSW
15
0.3
W
17
0.4
W
16
0.4
W
16
0.5
W
16
0.6
SSW
15
0.5
SW
15
0.4
W
15
0.1
S
20
0.1
SW
20
0.1
SW
20
0.1
S
20
0.1
S
20
0.4
SW
14
0.4
SW
14
0.4
SW
14
0.2
SSW
18
0.2
SSW
18
0.3
SSW
13
0.3
SSW
13
0.4
SW
13
0.2
SSW
13
Energy kJ
156
152
49
82
81
118
154
112
72
7
15
15
7
7
53
51
49
31
31
35
35
45
17
Swell 3
Height (m)
Direction
Period (s)
0.2
W
18
0.2
W
18
0.1
S
10
0.1
S
20
0.1
S
20
0.2
SSW
18
0.2
SSW
18
0.2
SSW
18
0.2
SSW
18
Energy kJ
25
25
2
7
7
31
31
31
30
Wind waves
Height (m)
Direction
Period (s)
2.5
WNW
9
2.5
WNW
9
2.2
WNW
9
2.5
WNW
9
3
WNW
9
3
WNW
10
3
WNW
10
3.5
WNW
10
3
WNW
10
3
WNW
10
3
WNW
10
3.5
WNW
10
4
WNW
10
4
WNW
11
3.5
WNW
11
4.5
WNW
11
3
WNW
11
3.5
WNW
11
3.5
WNW
11
3.5
WNW
11
Energy kJ
1291
1117
802
1132
1513
1758
1874
2022
1758
1536
1780
2420
2982
3349
3247
4558
2166
2614
3133
3059
Nearest Offshore or Glassy
Rating
(10 max)
3
2
3
3
3
4
3
4
4
4
1
1
1
4
4
4
4
5
4
4
5
4
3
3
Distance (km)
40
40
66
66
66
66
65
65
66
66
68
68
68
66
66
65
66
37
66
66
66
55
65
55
Best forecast wave conditions in San Mateo
Rating
(10 max)
Best forecast wave conditions in United States
Rating
(10 max)
4
4
3
3
3
4
4
5
4
4
3
3
4
4
6
9
9
7
4
4
5
8
5
4
Header Global
Rating
(10 max)
6
5
5
5
5
5
4
5
6
5
5
5
4
5
6
9
9
7
4
4
5
8
7
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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