Gray Whale Cove surfForecast / CAL – San Mateo / USA

information circle48hr Weather and Surf, issued 10 pm Friday 17 Apr 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
14.5° C
(Which is 2.4°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 3AM is: 1.0m 9s primary swell from a West-northwest direction and 0.5m 15s secondary swell from a Southwest direction (forecast issued at 10:00pm April 17). The wind direction is predicted to be cross-onshore.

Time (PDT) & DateWave HeightWave Period
Morning (18 Apr)1.5ft (0.5m)15s
Afternoon (18 Apr)1.5ft (0.5m)15s
Evening (18 Apr)1.5ft (0.5m)14s

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


Updates in  hr  min  s Forecast update imminent
Fri
17
Saturday
18
Sunday
19
Monday
20
8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM
Rating
(10 max)
0
0
1
2
1
1
1
0
0
0
1
1
0
0
0
0
0
0
0
0
1
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1
WNW
1
WNW
1
WNW
0.5
SW
0.5
SW
0.5
SW
0.5
SW
0.5
SW
0.5
SW
0.5
SW
0.5
SW
0.5
SW
0.5
SW
0.5
SW
0.5
SW
0.5
SW
0.5
SW
0.5
SW
0.5
SW
0.5
SW
0.9
W
1.2
SW
0.6
W
0.9
W
Period(s) (?)101091515151515141414141414141413131313881514
Wave
Graph
(?)Metric surfscale
Energy kJ (?)183175164112106104104104103102100969595938988878788102164159293
Wind
(km/h)
15
NW
15
NW
10
NW
5
WNW
0
N
0
NE
10
W
10
WSW
5
W
5
WSW
5
WSW
5
SSW
5
S
10
SW
15
SW
15
SW
15
S
15
SSE
20
SSE
20
SE
15
SE
25
S
40
S
25
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
glassglassglassonononcross-
on
glassglasscrosscross-
on
cross-
on
cross-
on
crosscross-
off
cross-
off
cross-
off
cross-
off
crosscrosscross
High Tide
/ height (m)
11:16PM
2.63
12:45PM
2.08
11:55PM
2.66
1:45PM
2.02
12:39AM
2.64
2:50PM
1.97
Low Tide
/ height (m)
5:11PM
1.00
6:13AM
0.11
5:52PM
1.14
7:03AM
0.04
6:37PM
1.27
7:58AM
0.05
Fri
17
Saturday
18
Sunday
19
Monday
20
Sunrise----6:31-------6:30-------6:28---
Sunset-------7:47-------7:47-------7:49
part cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
clear
part cloud
cloud
part cloud
cloud
cloud
cloud
part cloud
light rain
light rain
Rain (mm)
----------------------12
Temp. °C111111101115161413121212121414141313131214161314
Feels °C (?)8899101414121210111110111010109981010610
  • 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 Gray Whale Cove 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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