Gray Whale Cove surfForecast / CAL – San Mateo / USA

information circle48hr Weather and Surf, issued 4 am Saturday 09 May 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
15.0° C
(Which is 2.9°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 9AM is: 1.3m 8s primary swell from a West-northwest direction and 0.4m 15s secondary swell from a West direction (forecast issued at 04:00am May 09). The wind direction is predicted to be onshore.

Time (PDT) & DateWave HeightWave Period
Morning (09 May)4.5ft (1.3m)8s
Afternoon (09 May)4.5ft (1.3m)7s
Evening (09 May)5.5ft (1.7m)8s

Table - waves today at Gray Whale Cove. (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 Mon afternoon, min 11°C on Sat morning). Wind will be generally light.

Saturday
9
Sunday
10
Monday
11
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
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
0
1
1
0
0
0
0
0
0
0
1
1
0
0
1
2
2
3
3
2
1
2
2
3
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.6
WNW
8
1.4
WNW
8
1.3
WNW
8
1.6
WNW
8
1.2
WNW
7
1.3
WNW
7
1.7
WNW
8
1.9
WNW
8
1.7
WNW
7
1.5
WNW
7
1.5
WNW
8
1.4
WNW
8
1.6
WNW
8
1.7
WNW
8
1.7
WNW
8
1.8
WNW
8
1.8
WNW
8
1.7
WNW
9
1.6
WNW
9
1.6
WNW
9
1.5
WNW
10
1.3
WNW
10
1.3
WNW
11
1.2
WNW
11
Wave Graph
Metric surfscale
Energy kJ
270
226
186
287
148
163
339
430
297
243
255
240
367
389
389
450
445
436
406
391
399
385
400
350
Wind (km/h)
15
WNW
10
WNW
5
WNW
15
WNW
25
WNW
25
NW
20
WNW
20
WNW
20
WNW
15
WNW
15
WNW
15
WNW
15
WNW
20
WNW
15
WNW
5
WSW
5
WSW
5
WSW
5
S
5
SW
10
WSW
10
W
10
W
5
WSW
cross-on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
cross-on
cross-on
on
glassy
glassy
cross-on
cross-on
on
on
glassy
High Tide
4:03AM1.94m
6:51PM1.98m
5:17AM1.87m
7:21PM2.07m
6:33AM1.84m
7:48PM2.19m
Low Tide
11:03PM1.58m
11:30AM0.61m
00:17AM1.46m
12:17PM0.67m
1:17AM1.27m
1:00PM0.74m
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:05
6:05
6:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:07
8:07
8:07
Temp °C
11
11
11
13
13
12
12
11
11
11
11
12
13
13
11
11
11
11
12
15
16
15
13
12
8
10
10
10
9
8
8
8
8
8
8
10
10
10
9
10
10
10
11
14
14
13
12
11
Swell 1
Height (m)
Direction
Period (s)
1.6
WNW
8
1.4
WNW
8
1.3
WNW
8
1.3
WNW
7
0.6
W
9
0.8
W
9
1.7
WNW
8
1.6
WNW
7
1.4
WNW
7
1.2
WNW
7
1.5
WNW
8
1.4
WNW
8
1.6
WNW
8
1.7
WNW
8
1.7
WNW
8
1.8
WNW
8
1.8
WNW
8
1.7
WNW
9
1.6
WNW
9
1.6
WNW
9
1.5
WNW
10
1.3
WNW
10
1.3
WNW
11
1.2
WNW
11
Energy kJ
270
226
186
181
60
106
339
263
214
132
250
214
367
389
389
450
445
436
406
391
399
385
400
350
Swell 2
Height (m)
Direction
Period (s)
0.4
SW
18
0.4
W
15
0.4
W
15
0.5
SW
20
0.5
W
14
0.5
W
14
0.5
W
14
0.9
W
8
0.9
W
8
0.8
W
8
0.8
W
12
1
W
11
0.5
SW
18
0.5
SW
18
0.5
SW
18
0.6
SW
17
0.6
SW
17
0.6
SW
16
0.6
SSW
16
0.6
SSW
16
0.6
SW
16
0.6
SW
16
0.6
SW
16
0.6
SW
16
Energy kJ
80
72
69
186
102
100
92
115
112
82
177
240
155
154
154
243
230
206
171
171
206
206
206
203
Swell 3
Height (m)
Direction
Period (s)
0.4
W
16
0.4
SW
18
0.4
SW
19
0.4
W
14
0.4
SW
20
0.4
SW
16
0.5
SW
16
0.6
W
13
0.6
W
12
0.7
W
12
0.6
SW
18
0.6
SSW
18
0.3
SW
14
0.4
SW
14
0.4
SW
15
0.4
SW
14
0.1
SW
11
0.1
S
16
0.1
S
15
Energy kJ
77
80
89
66
98
88
124
123
110
143
255
211
29
54
75
53
5
5
4
Wind waves
Height (m)
Direction
Period (s)
1.6
WNW
8
1.2
WNW
7
1.3
WNW
7
1.9
WNW
8
1.7
WNW
7
1.5
WNW
7
1.6
WNW
8
Energy kJ
287
148
163
430
297
243
318
Nearest Offshore or Glassy
Rating
(10 max)
2
2
3
2
2
2
2
2
2
2
3
2
2
2
2
3
2
3
3
3
2
2
2
3
Distance (km)
27
27
5
27
81
80
79
27
27
27
27
27
27
81
27
8
27
0
0
3
27
27
27
0
Best forecast wave conditions in San Mateo
Rating
(10 max)
3
3
3
3
3
3
3
3
Best forecast wave conditions in United States
Rating
(10 max)
4
4
3
3
2
2
3
4
4
4
4
4
2
2
4
3
3
3
3
3
3
4
3
3
Header Global
Rating
(10 max)
5
5
9
5
4
5
4
4
4
9
9
7
5
5
5
5
5
5
5
5
9
6
6
6
  • 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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