Francis Beach surfForecast / CAL – San Mateo / USA

information circle48hr Weather and Surf, issued 4 pm Friday 20 Mar 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
13.5° C
(Which is 1.3°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 9PM is: 0.9m 12s primary swell from a West direction and 0.8m 7s secondary swell from a West-northwest direction (forecast issued at 04:00pm March 20). The wind direction is predicted to be cross-onshore.

Time (PDT) & DateWave HeightWave Period
Morning (20 Mar)--
Afternoon (20 Mar)3ft (0.9m)11s
Evening (20 Mar)3ft (0.9m)12s

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


Updates in  hr  min  s Forecast update imminent
Friday
20
Saturday
21
Sunday
22
Monday
23
2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM
Rating
(10 max)
0
0
1
1
1
0
1
0
0
0
0
0
2
3
2
1
0
0
1
0
1
1
1
1
Swell
Height Map
Wave Height (m) & direction (?)
0.9
W
0.9
W
0.9
W
0.9
W
0.9
W
1.3
WNW
1.6
WNW
1.6
WNW
1.7
WNW
2.2
WNW
2.5
WNW
3
WNW
2.5
WNW
2.2
WNW
1.9
WNW
1.7
WNW
2.1
WNW
2.1
WNW
2.1
WNW
1.9
WNW
1.9
WNW
1.9
WNW
1.7
WNW
1.7
WNW
Period(s) (?)111112121189888910101010101010109991010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)209198213220198232372323381681104413661288892731598855838821548573586574559
Wind
(km/h)
15
NNW
15
NW
10
NW
5
WNW
5
WSW
10
NW
10
NW
20
NW
30
NW
25
NW
20
NW
20
NW
10
NW
0
W
10
NW
15
NW
20
NW
25
NW
20
NW
15
NW
15
NW
15
NW
15
NW
15
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
ononcross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
glasscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
High Tide
/ height (m)
12:31PM
1.48
12:23AM
1.78
1:28PM
1.37
12:59AM
1.81
2:33PM
1.25
1:41AM
1.80
Low Tide
/ height (m)
6:11PM
0.36
6:58AM
-0.07
6:49PM
0.53
7:50AM
-0.13
7:32PM
0.69
8:48AM
-0.14
Friday
20
Saturday
21
Sunday
22
Monday
23
Sunrise------7:11-------7:09-------7:09-
Sunset-7:21-------7:22-------7:22------
clear
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
Rain (mm)
------------------------
Temp. °C262217151412121615131110910111414121010109912
Feels °C (?)242016141310101310865610911107667669
  • 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

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Francis Beach surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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