Gray Whale Cove surfForecast / CAL – San Mateo / USA

information circle48hr Weather and Surf, issued 4 am Sunday 10 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
14.8° C
(Which is 2.7°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: 1.7m 8s primary swell from a West-northwest direction and 1.5m 8s secondary swell from a West-northwest direction, 0.8m 12s secondary swell from a West direction (forecast issued at 04:00am May 10). The wind direction is predicted to be onshore.

Time (PDT) & DateWave HeightWave Period
Morning (10 May)5.5ft (1.7m)8s
Afternoon (10 May)5.5ft (1.7m)8s
Evening (10 May)6ft (1.8m)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 15°C on Mon morning, min 11°C on Sun morning). Wind will be generally light.

Sunday
10
Monday
11
Tuesday
12
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
0
1
1
1
1
1
2
2
3
2
2
1
1
2
2
2
2
3
0
0
0
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.6
NW
8
1.5
WNW
8
1.7
WNW
8
1.4
WNW
8
1.6
WNW
8
1.9
WNW
8
1.7
WNW
8
1.8
WNW
9
1.8
WNW
9
1.7
WNW
9
1.6
WNW
9
1.5
WNW
9
1.5
WNW
10
1.3
WNW
10
1.2
WNW
11
1.2
WNW
11
1.2
WNW
11
1.2
WNW
11
1.2
WNW
11
1.2
WNW
11
1.1
W
11
1.1
W
11
1
W
11
0.6
SSW
15
Wave Graph
Metric surfscale
Energy kJ
276
279
319
237
367
516
398
471
493
446
406
352
391
385
343
350
350
350
350
350
286
286
238
153
Wind (km/h)
20
WNW
20
NW
15
WNW
15
W
15
W
15
WNW
10
WNW
5
WSW
5
WSW
5
SSW
5
S
10
SSW
15
SW
10
WSW
5
WSW
5
SW
5
WSW
5
W
5
WSW
10
WSW
15
W
15
W
10
W
10
SW
cross-on
cross-on
cross-on
on
on
on
on
on
cross-on
glassy
cross
cross-on
cross-on
cross-on
on
cross-on
on
on
glassy
on
on
on
on
cross-on
High Tide
5:17AM1.87m
7:21PM2.07m
6:33AM1.84m
7:48PM2.19m
7:45AM1.85m
8:16PM2.32m
Low Tide
00:17AM1.46m
12:17PM0.67m
1:17AM1.27m
1:00PM0.74m
2:07AM1.02m
1:43PM0.83m
cloud
cloud
cloud
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:05
6:03
6:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:07
8:07
8:08
Temp °C
11
11
11
12
13
12
11
11
11
11
12
15
15
14
12
12
11
11
12
14
14
13
12
12
8
8
8
10
11
9
9
10
10
10
11
14
13
12
11
11
10
10
11
12
12
10
10
10
Swell 1
Height (m)
Direction
Period (s)
1.3
WNW
7
1.5
WNW
8
1.5
WNW
8
1.4
WNW
8
1.6
WNW
8
1.7
WNW
8
1.7
WNW
8
1.8
WNW
9
1.8
WNW
9
1.7
WNW
9
1.6
WNW
9
1.5
WNW
9
1.5
WNW
10
1.3
WNW
10
1.2
WNW
11
1.2
WNW
11
1.2
WNW
11
1.2
WNW
11
1.2
WNW
11
1.2
WNW
11
1.1
W
11
1.1
W
11
1
W
11
0.8
WNW
11
Energy kJ
183
244
250
237
367
398
398
471
493
446
406
352
391
385
343
350
350
350
350
350
286
286
238
153
Swell 2
Height (m)
Direction
Period (s)
0.9
W
8
0.7
W
12
0.8
W
12
0.8
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
0.6
SSW
16
0.6
SSW
15
0.6
SSW
15
0.6
SSW
15
0.6
SSW
15
0.6
SSW
15
0.6
SSW
15
0.6
WNW
6
Energy kJ
107
143
177
154
155
154
154
243
232
206
171
171
206
206
206
203
162
148
142
142
142
142
142
24
Swell 3
Height (m)
Direction
Period (s)
0.7
W
12
0.6
SW
18
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
S
11
0.1
SW
11
0.1
S
16
0.1
S
15
0.1
S
14
0.4
NW
6
0.2
S
14
0.1
S
11
0.1
S
11
0.1
S
11
0.1
S
14
0.6
SSW
15
Energy kJ
150
266
255
211
29
54
75
53
2
5
5
4
4
14
16
2
2
2
4
142
Wind waves
Height (m)
Direction
Period (s)
1.6
NW
8
1.6
WNW
7
1.7
WNW
8
1.6
WNW
8
1.9
WNW
8
Energy kJ
276
279
319
315
516
Nearest Offshore or Glassy
Rating
(10 max)
3
3
2
2
3
2
2
2
2
3
3
3
2
2
3
3
3
3
3
2
2
2
2
2
Distance (km)
72
70
27
27
27
81
27
27
27
0
2
2
27
64
8
8
2
2
0
27
64
81
117
94
Best forecast wave conditions in San Mateo
Rating
(10 max)
3
3
3
3
3
3
3
3
3
3
Best forecast wave conditions in United States
Rating
(10 max)
3
4
4
3
3
2
4
4
3
3
3
3
3
4
3
3
3
3
3
3
3
2
3
3
Header Global
Rating
(10 max)
5
5
9
8
6
9
8
5
5
4
5
9
5
5
9
9
9
9
9
9
9
9
9
8
  • 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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