Gray Whale Cove surfForecast / CAL – San Mateo / USA

information circle48hr Weather and Surf, issued 4 pm Friday 01 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
15.1° 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 11PM is: 1.4m 8s primary swell from a West-northwest direction and 0.6m 12s secondary swell from a West direction (forecast issued at 04:00pm May 01). The wind direction is predicted to be cross-onshore.

Time (PDT) & DateWave HeightWave Period
Morning (01 May)--
Afternoon (01 May)4.5ft (1.4m)8s
Evening (01 May)4.5ft (1.4m)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 13°C on Sun morning, min 11°C on Fri night). Wind will be generally light.

Fri
1
Saturday
2
Sunday
3
Mon
4
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
2 AM
5 AM
8 AM
11 AM
Rating
(10 max)
0
0
0
0
1
0
0
0
0
0
0
1
0
0
1
0
0
0
0
1
0
0
2
1
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
1.4
WNW
8
1.4
WNW
8
1.3
WNW
8
1.4
WNW
8
1.6
WNW
9
1.5
WNW
8
1.5
WNW
8
1.4
WNW
8
1.3
WNW
8
1.1
WNW
8
0.7
WNW
12
1.2
WNW
11
0.9
WNW
8
1.1
WNW
11
1.1
WNW
11
1.1
WNW
11
0.5
W
17
0.6
W
16
0.7
W
16
0.8
W
16
0.9
W
15
0.9
W
14
1
W
14
1.1
W
14
Wave Graph
Metric surfscale
Energy kJ
275
275
239
290
378
329
321
256
217
147
142
349
105
270
260
256
145
183
251
314
352
338
411
501
Wind (km/h)
15
W
15
W
15
WNW
15
WNW
15
W
15
W
15
WNW
20
WNW
20
WNW
20
WNW
20
NW
15
NW
15
WNW
10
WNW
10
W
10
WSW
15
WSW
20
WSW
15
W
15
WSW
15
W
10
WSW
10
W
15
W
on
on
on
cross-on
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
on
cross-on
on
on
High Tide
12:00PM1.99m
11:02PM2.43m
12:47PM1.97m
11:33PM2.40m
1:34PM1.93m
00:07AM2.35m
Low Tide
5:05PM1.21m
6:06AM0.28m
5:41PM1.31m
6:45AM0.28m
6:17PM1.40m
7:26AM0.32m
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:13
6:11
6:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:59
8:00
8:00
8:01
Temp °C
12
12
11
11
11
11
11
12
12
12
11
11
11
11
12
13
13
13
13
13
12
12
13
13
9
9
8
8
8
8
8
9
8
8
7
8
8
9
10
11
10
9
10
10
9
9
11
10
Swell 1
Height (m)
Direction
Period (s)
1.4
WNW
8
1.4
WNW
8
1.3
WNW
8
1.4
WNW
8
1.6
WNW
9
1.5
WNW
8
1.5
WNW
8
1.4
WNW
8
1.3
WNW
8
0.7
WNW
12
0.7
WNW
12
1.2
WNW
11
0.9
WNW
8
1.1
WNW
11
1.1
WNW
11
1.1
WNW
11
0.9
WNW
9
0.9
WNW
9
0.9
WNW
9
0.9
WNW
9
0.9
W
15
0.9
W
14
1
W
14
1.1
W
14
Energy kJ
275
275
239
290
378
329
321
256
217
147
142
349
105
270
260
256
116
111
149
146
352
338
411
501
Swell 2
Height (m)
Direction
Period (s)
0.6
W
13
0.6
W
13
0.6
W
12
0.6
W
12
0.7
W
12
0.6
W
12
0.5
W
12
0.6
W
12
0.6
W
12
0.1
SW
18
0.1
SW
18
0.2
SSW
16
0.6
WNW
11
0.3
SW
16
0.4
W
18
0.5
W
18
0.5
W
17
0.6
W
16
0.7
W
16
0.8
W
16
0.8
WNW
9
0.8
WNW
8
0.5
WNW
8
0.4
SW
15
Energy kJ
115
117
113
110
144
106
76
106
104
12
12
26
98
41
99
154
145
183
251
314
84
82
35
54
Swell 3
Height (m)
Direction
Period (s)
0.2
WSW
13
0.2
WSW
13
0.2
WSW
13
0.2
WSW
13
0.2
WSW
13
0.2
WSW
13
0.2
WSW
13
0.1
SW
13
0.1
SW
18
0.1
S
10
0.1
SW
12
0.2
W
20
0.2
SSW
16
0.3
W
19
0.3
SW
16
0.3
SW
16
0.5
W
11
0.5
W
11
0.4
SW
15
0.4
SW
15
0.4
SW
15
0.4
SW
15
0.4
SW
15
0.3
SW
18
Energy kJ
17
17
17
17
17
18
18
7
12
2
6
30
25
65
41
41
61
61
54
55
54
54
54
49
Wind waves
Height (m)
Direction
Period (s)
1.1
WNW
8
1
WNW
7
1
WNW
7
Energy kJ
142
101
105
Nearest Offshore or Glassy
Rating
(10 max)
2
2
1
2
2
2
2
2
2
2
1
2
2
2
2
2
2
3
2
2
2
2
2
2
Distance (km)
81
81
80
27
53
40
70
81
81
81
80
40
40
40
27
27
117
303
81
81
80
27
27
27
Best forecast wave conditions in San Mateo
Rating
(10 max)
2
2
2
2
2
Best forecast wave conditions in United States
Rating
(10 max)
3
3
3
4
3
3
3
3
3
3
3
3
2
2
4
4
2
4
4
3
3
3
3
2
Header Global
Rating
(10 max)
5
5
5
5
5
4
4
4
4
4
4
4
4
5
5
4
4
4
4
4
5
5
5
5
  • 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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