Gray Whale Cove surfForecast / CAL – San Mateo / USA

information circle48hr Weather and Surf, issued 10 am Thursday 19 Mar 2026 PDT
Forecast update in hr  min  s Forecast update imminent
Gray Whale Cove surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Gray Whale Cove sea temperature is
13.7° C
(Which is 1.5°C warmer than normal for this time of year)

How big are the waves at Gray Whale Cove today?

The current surf forecast for Gray Whale Cove at 5PM is: 0.8m 12s primary swell from a West direction and 0.5m 14s secondary swell from a Southwest direction, 0.6m 6s secondary swell from a West-northwest direction (forecast issued at 10:00am March 19). The wind direction is predicted to be cross-onshore.

Time (PDT) & DateWave HeightWave Period
Morning (19 Mar)1.5ft (0.5m)14s
Afternoon (19 Mar)2.5ft (0.7m)11s
Evening (19 Mar)2.5ft (0.8m)12s

Table - waves today at Gray Whale Cove. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent
Thursday
19
Friday
20
Saturday
21
Sun
22
8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM
Rating
(10 max)
1
1
1
0
0
2
2
2
2
1
0
0
1
1
1
0
0
0
0
0
0
0
2
3
Swell
Height Map
Wave Height (m) & direction (?)
0.5
SW
0.5
SW
0.5
SW
0.8
W
0.8
W
0.8
W
0.8
W
0.8
W
0.9
W
0.9
W
0.9
W
0.9
W
0.9
W
0.9
W
1
W
0.9
W
1.5
WNW
1.6
WNW
1.6
WNW
2
WNW
2.2
WNW
2.3
WNW
2.5
WNW
2.1
WNW
Period(s) (?)1414141212121212121211111212111188888999
Wave
Graph
(?)Metric surfscale
Energy kJ (?)104931021771741771741742242242091982132162481882943233234886658111060721
Wind
(km/h)
5
N
10
NNE
15
N
20
NW
10
NW
5
NNW
5
NNE
5
NE
10
NE
5
N
15
NW
15
WNW
10
WNW
5
W
5
WSW
10
WNW
15
NW
15
NW
25
NW
35
NW
25
NW
25
NW
15
NW
5
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
off
crosscross-
on
cross-
on
glassglasscross-
off
cross-
off
crosscross-
on
cross-
on
cross-
on
oncross-
on
oncross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
glass
High Tide
/ height (m)
11:48AM
2.25
12:00AM
2.43
12:41PM
2.16
12:33AM
2.49
1:38PM
2.05
1:10AM
2.51
Low Tide
/ height (m)
5:42AM
0.63
5:49PM
0.69
6:28AM
0.47
6:24PM
0.86
7:17AM
0.37
7:01PM
1.03
Thursday
19
Friday
20
Saturday
21
Sun
22
Sunrise7:15-------7:13-------7:11-------
Sunset---7:20-------7:21-------7:22----
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
clear
part cloud
clear
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C1823282421212121202324191413121112151513111099
Feels °C (?)152026211820202019232216121211910121065468
  • 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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