Half Moon Bay Sea Conditions and Tide Table

Half Moon Bay Sea Conditions table showing wave height, swell direction and period.

High and low tide times are also provided on the table along with the moon phase and forecast weather. Sunrise today is at — and sunset is at 07:31 PM.

Days 1–4 Weather Summary

Light rain (total 2mm), mostly falling on Wed night. Warm air temperatures (max 20°C on Fri afternoon, min 10°C on Wed night). Winds decreasing (fresh winds from the NW on Thu afternoon, light winds from the NE by Fri night).

Days 5–7 Weather Summary

Some drizzle, heaviest during Tue morning. Warm air temperatures (max 23°C on Sat afternoon, min 12°C on Mon night). Wind will be generally light.

Days 8–10 Weather Summary

Mostly dry. Very mild (max 14°C on Tue afternoon, min 10°C on Thu night). Wind will be generally light.

Days 11–13 Weather Summary

Mostly dry. Very mild (max 19°C on Mon afternoon, min 10°C on Fri night). Wind will be generally light.

Wed
1
Thursday
2
Friday
3
Saturday
4
Sunday
5
Monday
6
Tuesday
7
Wednesday
8
Thursday
9
Friday
10
Saturday
11
Sunday
12
Monday
13
Tuesday
14
Wednesday
15
Thursday
16
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
Wave Height Map
High Tide
11:06AM1.48m
11:15PM1.67m
11:53AM1.40m
11:40PM1.67m
12:40PM1.32m
00:04AM1.65m
1:29PM1.23m
00:31AM1.62m
2:21PM1.16m
1:02AM1.57m
3:23PM1.09m
1:39AM1.51m
4:40PM1.06m
2:26AM1.44m
6:07PM1.08m
7:11PM1.12m
7:51PM1.19m
5:46AM1.32m
8:20PM1.26m
6:55AM1.34m
8:45PM1.34m
7:59AM1.37m
9:09PM1.44m
8:57AM1.41m
9:35PM1.55m
9:53AM1.43m
Low Tide
4:59PM0.29m
5:37AM0.06m
5:31PM0.43m
6:14AM-0.01m
6:03PM0.57m
6:51AM-0.04m
6:36PM0.71m
7:30AM-0.03m
7:10PM0.83m
8:13AM-0.00m
7:48PM0.94m
9:02AM0.05m
8:40PM1.02m
10:00AM0.10m
10:02PM1.06m
11:06AM0.12m
11:37PM1.04m
12:10PM0.12m
00:49AM0.95m
1:05PM0.11m
1:43AM0.81m
1:52PM0.10m
2:28AM0.64m
2:32PM0.12m
3:08AM0.43m
3:10PM0.16m
3:48AM0.21m
3:47PM0.24m
Wave
height (m) 
direction
period (s) 
0.6
WSW
13
0.9
W
13
1.4
W
11
1.8
WNW
11
1.8
W
12
1.4
WNW
11
1.3
WNW
11
1.1
WNW
10
1
WNW
10
0.9
WNW
10
0.9
SSW
18
0.9
SSW
17
0.9
SSW
16
0.9
SSW
16
0.9
SSW
15
0.9
SSW
15
0.8
SSW
14
0.8
SSW
14
0.8
SSW
14
0.9
SW
13
1.2
SW
13
1.2
W
9
1.3
SW
13
1.3
WNW
8
1.3
WSW
16
1.4
WSW
15
1.3
W
14
1.3
W
14
1.3
W
13
1.1
W
13
1
W
12
0.9
W
12
0.7
SW
15
0.7
SW
15
0.9
SSW
15
1.1
SW
14
1
SSW
14
1.4
WNW
7
1.3
WNW
8
1.3
WNW
8
1.6
WNW
8
1.2
WNW
9
1.2
SW
15
1.1
SW
15
0.9
SSW
14
0.9
SSW
14
0.9
SW
14
part cloud
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
light rain
cloud
clear
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
some clouds
rain shwrs
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
light rain
cloudy
clear
some clouds
clear
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
clear
some clouds
some clouds
clear
some clouds
clear
clear
clear
clear
clear
clear
some clouds
some clouds
clear
some clouds
some clouds
 km/h
15
SW
30
NW
30
NW
35
NW
10
NNW
15
NE
20
NW
5
NE
10
NE
15
NW
5
NE
0
NNW
10
WNW
5
W
10
WSW
10
WSW
10
SSE
10
S
10
W
5
W
10
WSW
20
WNW
10
WNW
10
WSW
15
W
10
SW
15
SSW
15
SSW
5
SW
15
SSW
10
WSW
5
SW
5
W
15
WNW
10
WNW
10
NW
20
NW
10
WNW
10
NW
25
NW
5
W
10
N
20
NW
10
WNW
10
SW
10
SW
10
SSW
 mm 
2
1
max°C
14
13
11
12
11
15
20
14
19
23
17
21
20
14
15
14
13
14
14
12
14
14
12
13
12
11
12
13
11
13
13
11
13
14
10
17
19
12
18
17
11
21
22
13
15
15
12
Moonrise
7:33
8:35
9:38
10:40
11:41
12:39
1:33
2:20
3:01
3:36
4:07
4:34
5:00
5:25
5:52
Moonset
6:56
7:21
7:49
8:22
9:00
9:45
10:37
11:34
12:36
1:40
2:45
3:51
4:58
6:07
7:19
Sunrise
6:54
6:52
6:50
6:50
6:48
6:47
6:45
6:43
6:41
6:41
6:39
6:37
6:37
6:35
6:33
Sunset
7:31
7:32
7:34
7:35
7:36
7:36
7:37
7:37
7:38
7:39
7:40
7:42
7:43
7:44
7:45
7:45
Today's sea temperature in Half Moon Bay is
14.2° C
(Statistics for 01 Apr 1981-2005 – mean: 12.0 max: 14.0 min: 10.3°C)
Issued (local time): 4 pm Wednesday 01 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest