Linda Mar surfForecast / CAL – San Mateo / USA

information circle48hr Weather and Surf, issued 4 am Thursday 18 Sep 2025 PDT
Forecast update in hr  min  s Forecast update imminent
Linda Mar surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Linda Mar sea temperature is
17.8° C
(Which is 3.1°C warmer than normal for this time of year)


How big are the waves at Linda Mar today?

The current surf forecast for Linda Mar at 11AM is: 2.3m 10s primary swell from a West-northwest direction (forecast issued at 04:00am September 18). An open ocean swell of 0.6m 15s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (PDT) & DateWave HeightWave Period
Morning (18 Sep)7ft (2.2m)9s
Afternoon (18 Sep)7.5ft (2.3m)10s
Evening (18 Sep)6.5ft (2.0m)10s

Table - waves today at Linda Mar. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent
Thursday
18
Friday
19
Saturday
20
2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM
Rating
(10 max)
1
1
2
3
2
2
2
2
3
3
3
2
0
1
1
1
2
1
1
0
0
0
0
1
Swell
Height Map
Wave Height (m) & direction (?)
1.7
WNW
1.8
WNW
2.1
WNW
2.3
WNW
2.3
WNW
2.2
WNW
2.2
NW
2
WNW
1.9
NW
1.9
NW
1.7
NW
1.6
NW
1.5
NW
1.4
NW
1.4
NW
1.3
NW
1.1
NW
1.1
NW
1.1
NW
1
NW
1
NW
0.9
WNW
1
WNW
1
WNW
Period(s) (?)88910101010101010101010101010109101010999
Wave
Graph
(?)Metric surfscale
Energy kJ (?)365434691100410671030955853784734628570459396348303230216207184177148176176
Wind
(km/h)
10
SW
5
WSW
5
SW
10
WSW
15
SW
15
SW
10
SW
10
SW
5
SSW
5
S
5
SSW
5
SW
15
WSW
10
WSW
10
W
5
WNW
5
WNW
5
W
5
NW
10
WNW
15
W
15
WNW
15
NW
10
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscrosscrosscrosscrosscrosscrosscross-
off
cross-
off
cross-
off
crosscross-
on
crosscross-
on
cross-
on
glasscross-
on
oncross-
on
cross-
on
cross-
on
onon
High Tide
/ height (m)
9:48AM
2.10
9:04PM
2.34
10:19AM
2.17
9:53PM
2.32
10:48AM
2.23
10:39PM
2.28
Low Tide
/ height (m)
3:08AM
0.33
3:13PM
1.14
3:49AM
0.37
3:59PM
0.99
4:25AM
0.45
4:41PM
0.85
Thursday
18
Friday
19
Saturday
20
Sunrise--6:54-------6:54-------6:54-----
Sunset-----7:13-------7:12-------7:09--
rain showers
cloud
cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
1-----------------------
Temp. °C161515161716161615151516171716161615161818171615
Feels °C (?)161515151515151615151516161616161715161716151515
  • 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

Eyeball surf reportRecent Eyeball Surf Reports for CAL - San Mateo

  1. weather stationWind Update Continuing clean conditions at Linda Mar (calm at Linda Mar wx 2 km from Linda Mar). A 1.3m swell from the WNW

    Linda Mar
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1 h 47 min ago

3 km/h
WNW
Clean
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