Gray Whale Cove surfForecast / CAL – San Mateo / USA

information circle48hr Weather and Surf, issued 4 pm Wednesday 27 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
14.0° C
(Which is 1.6°C warmer than normal for this time of year)

How big are the waves at Gray Whale Cove today (27 May):

  • Afternoon surf: Afternoon surf (27 May, local time) - 7ft (2.1m), 12s period with WNW swell.
  • Evening surf: Evening surf (27 May, local time) - 6ft (1.8m), 11s period with WNW swell.

The current surf forecast for Gray Whale Cove at 11PM is: 1.8m 11s primary swell from a West-northwest direction and 0.6m 14s secondary swell from a South-southwest direction (forecast issued at 04:00pm May 27). The wind direction is predicted to be cross-shore.

Time (PDT) & DateWave HeightWave Period
Morning (27 May)--
Afternoon (27 May)7ft (2.1m)12s
Evening (27 May)6ft (1.8m)11s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 6mm), mostly falling on Thu morning. Very mild (max 18°C on Thu afternoon, min 10°C on Fri night). Mainly fresh winds.

Wed
27
Thursday
28
Friday
29
Sat
30
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)
2
2
3
2
2
3
4
3
3
0
1
2
3
2
2
1
1
1
0
0
0
1
2
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
2.1
WNW
12
2
WNW
11
1.9
WNW
11
1.8
WNW
11
1.7
WNW
11
1.6
WNW
10
0.8
W
20
0.8
W
19
1
W
18
1
W
18
1.1
W
17
1.1
W
16
1.2
W
16
1.2
W
16
1.2
W
16
1.1
W
15
1.1
W
15
1.1
W
14
1.1
W
14
1.1
W
14
0.9
W
13
0.9
W
13
1.9
WNW
8
1.6
WNW
8
Wave Graph
Metric surfscale
Energy kJ
1170
1012
839
718
631
530
490
480
635
620
716
636
737
719
701
531
510
503
496
482
284
276
458
315
Wind (km/h)
15
WSW
15
W
10
W
10
S
10
S
5
SSE
10
ENE
15
ENE
5
E
30
NW
20
NW
5
W
5
SW
5
SW
10
WSW
10
W
15
W
15
W
20
NW
15
NW
20
NW
10
WNW
15
WNW
20
WNW
cross-on
on
on
cross
cross
cross-off
cross-off
off
glassy
cross-on
cross-on
on
cross-on
cross-on
cross-on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
on
High Tide
8:52PM2.42m
10:24AM1.86m
9:23PM2.43m
11:13AM1.89m
9:56PM2.44m
Low Tide
2:37PM1.13m
3:56AM0.44m
3:18PM1.24m
4:33AM0.33m
3:57PM1.32m
5:10AM0.26m
part cloud
part cloud
cloud
cloud
cloud
light rain
light rain
cloud
part cloud
clear
clear
part cloud
part cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:52
5:50
5:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:21
8:22
8:22
8:23
2
4
Temp °C
13
13
12
12
12
12
13
15
18
16
13
12
12
12
12
13
12
12
11
11
10
10
10
11
10
11
11
11
10
11
11
12
17
11
9
11
11
11
11
11
10
10
8
8
6
8
7
8
Swell 1
Height (m)
Direction
Period (s)
2.1
WNW
12
2
WNW
11
1.9
WNW
11
1.8
WNW
11
1.7
WNW
11
1.6
WNW
10
1.5
WNW
10
1.3
WNW
10
1.2
WNW
10
1.2
WNW
10
1.2
WNW
10
1.2
WNW
10
1.2
W
16
1.2
W
16
1.2
W
16
1.1
W
15
1.1
W
15
1.1
W
14
1.1
W
14
1.1
W
14
1.1
WNW
7
1.4
WNW
8
1.6
WNW
8
0.8
W
13
Energy kJ
1170
1012
839
718
631
530
442
307
263
263
258
253
737
719
701
531
510
503
496
482
117
232
315
219
Swell 2
Height (m)
Direction
Period (s)
0.6
SSW
14
0.6
SSW
14
0.6
SSW
14
0.6
SSW
14
0.5
SW
14
0.6
W
21
0.8
W
20
0.8
W
19
1
W
18
1
W
18
1.1
W
17
1.1
W
16
1.1
WNW
9
1
WNW
9
0.9
WNW
9
0.9
WNW
9
0.9
WNW
9
0.9
WNW
9
1
WNW
9
0.9
WNW
7
0.9
W
13
0.9
W
13
0.8
W
13
0.4
SW
14
Energy kJ
138
138
138
136
99
320
490
480
635
620
716
636
201
158
116
113
119
119
151
77
284
276
219
49
Swell 3
Height (m)
Direction
Period (s)
0.1
S
10
0.1
W
24
0.2
W
24
0.3
W
23
0.4
WNW
22
0.5
SW
14
0.5
SW
14
0.5
SW
14
0.5
SW
14
0.5
SW
14
0.5
SW
14
0.4
SSW
14
0.4
SSW
14
0.4
SSW
14
0.4
SSW
14
0.4
SSW
14
0.4
SSW
13
0.5
SW
14
0.4
SSW
14
0.4
SSW
14
0.4
SSW
14
0.4
SW
14
0.4
SW
14
0.2
SSW
19
Energy kJ
2
11
43
91
154
99
97
95
92
91
89
71
73
71
71
71
70
99
77
75
73
47
47
37
Wind waves
Height (m)
Direction
Period (s)
0.4
ESE
3
1.9
WNW
8
1.6
WNW
8
Energy kJ
4
458
315
Nearest Offshore or Glassy
Rating
(10 max)
2
3
3
3
3
3
4
3
3
4
4
3
4
3
3
2
2
2
2
2
2
2
2
2
Distance (km)
1210
81
27
2
2
0
0
0
0
47
47
8
8
8
15
27
27
27
80
79
80
27
27
27
Best forecast wave conditions in San Mateo
Rating
(10 max)
4
4
4
4
4
4
4
4
3
4
3
4
Best forecast wave conditions in United States
Rating
(10 max)
4
3
3
4
4
4
4
4
4
4
4
4
4
4
4
2
2
2
3
4
4
3
3
3
Header Global
Rating
(10 max)
6
6
9
9
8
9
8
7
7
7
6
5
6
5
5
5
5
5
5
5
5
5
6
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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