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 —.

Days 1–4 Weather Summary

Heavy rain (total 23mm), heaviest during Fri afternoon. Cool air temperatures (max 15°C on Sat afternoon, min 10°C on Thu night). Winds decreasing (fresh winds from the SE on Fri afternoon, calm by Sat night).

Days 5–7 Weather Summary

Mostly dry. Cool air temperatures (max 16°C on Mon afternoon, min 10°C on Wed morning). Winds increasing (calm on Mon night, strong winds from the NW by Wed afternoon).

Days 8–10 Weather Summary

Light rain (total 3mm), mostly falling on Thu morning. Very mild (max 12°C on Fri afternoon, min 8°C on Wed night). Winds decreasing (near gales from the NW on Thu afternoon, light winds from the NW by Sat morning).

Days 11–13 Weather Summary

Moderate rain (total 12mm), heaviest on Sun morning. Very mild (max 16°C on Tue afternoon, min 8°C on Sun morning). Wind will be generally light.

Friday
29
Saturday
30
Sunday
31
Monday
1
Tuesday
2
Wednesday
3
Thursday
4
Friday
5
Saturday
6
Sunday
7
Monday
8
Tue
9
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
Wave Height Map
High Tide
1:03AM1.58m
2:48PM1.10m
1:37AM1.57m
4:04PM1.05m
2:21AM1.54m
5:41PM1.05m
7:05PM1.11m
7:56PM1.20m
5:50AM1.52m
8:33PM1.30m
7:05AM1.57m
9:05PM1.41m
8:13AM1.62m
9:37PM1.53m
9:15AM1.64m
10:08PM1.65m
10:14AM1.64m
10:39PM1.76m
11:12AM1.59m
11:12PM1.83m
12:10PM1.51m
Low Tide
6:54PM0.72m
8:00AM0.04m
7:25PM0.84m
8:50AM0.03m
8:04PM0.96m
9:50AM0.02m
9:06PM1.05m
11:00AM0.00m
10:48PM1.08m
12:11PM-0.04m
00:23AM1.01m
1:14PM-0.09m
1:32AM0.85m
2:08PM-0.13m
2:29AM0.64m
2:55PM-0.12m
3:20AM0.41m
3:38PM-0.06m
4:09AM0.16m
4:19PM0.05m
4:56AM-0.05m
4:59PM0.20m
5:44AM-0.21m
Wave
height (m) 
direction
period (s) 
2
W
13
2
W
12
2.2
W
12
3
W
13
2.4
W
12
1.9
W
12
1.6
W
11
1.5
W
11
2.3
WNW
10
1.6
WNW
10
1.3
WNW
10
1.1
WSW
15
1
W
14
1
W
14
1
W
14
0.9
W
12
0.9
W
12
2.1
WNW
7
3
WNW
9
2.5
WNW
10
3
WNW
10
2.4
WNW
12
2.1
WNW
11
1.9
WNW
11
1.6
WNW
10
1.3
W
16
1.2
W
16
1.1
W
15
1.1
W
14
1.3
W
14
1.6
W
13
1.9
W
12
1.9
WNW
12
2
W
12
1.7
WNW
11
1.5
WNW
10
part cloud
light rain
rain showers
rain showers
cloud
cloud
rain showers
cloud
cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
rain showers
light rain
part cloud
clear
part cloud
clear
part cloud
cloud
cloud
mod rain
rain showers
light rain
clear
clear
clear
clear
clear
some clouds
light rain
rain shwrs
rain shwrs
cloudy
cloudy
rain shwrs
cloudy
cloudy
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
rain shwrs
light rain
some clouds
clear
some clouds
clear
some clouds
cloudy
cloudy
mod rain
rain shwrs
light rain
clear
clear
clear
clear
clear
 km/h
15
S
35
SSE
30
S
30
SSE
20
ENE
25
NE
5
NE
15
W
35
NW
5
NNE
5
NW
15
W
5
ESE
5
NW
10
W
5
NW
15
WNW
45
NW
50
NW
35
NNW
45
NW
20
NW
30
NW
10
N
10
NW
10
W
15
WNW
10
WNW
5
WSW
25
NW
5
NNW
10
WNW
15
WNW
5
SSW
5
WNW
15
WNW
 mm 
3
12
7
1.0
1.0
2.0
10
1.0
1.0
max°C
11
11
12
11
12
15
13
11
11
12
14
16
12
16
16
12
11
11
9
9
10
10
10
12
11
11
11
11
10
9
9
12
13
11
14
16
Moonrise
11:11
12:16
1:20
2:21
3:16
4:03
4:42
5:16
5:46
6:14
6:41
7:11
Moonset
8:30
9:01
9:40
10:27
11:24
12:30
1:43
2:58
4:14
5:29
6:45
8:00
9:16
Sunrise
6:58
6:56
6:54
6:54
6:52
6:50
6:50
6:48
6:47
6:45
6:43
6:41
Sunset
7:30
7:30
7:31
7:32
7:34
7:35
7:36
7:36
7:37
7:37
7:38
7:39
Today's sea temperature in Half Moon Bay is 12.9 °C (Statistics for 28 Mar 1981-2005 – mean: 12.2 max: 14.0 min: 10.8°C)
Nearest