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 08:34 PM.

Days 1–4 Weather Summary

Mostly dry. Cool air temperatures (max 14°C on Fri morning, min 11°C on Thu night). Wind will be generally light.

Days 5–7 Weather Summary

Mostly dry. Cool air temperatures (max 14°C on Mon afternoon, min 11°C on Tue night). Wind will be generally light.

Days 8–10 Weather Summary

Mostly dry. Very mild (max 15°C on Fri morning, min 11°C on Thu morning). Wind will be generally light.

Days 11–13 Weather Summary

Mostly dry. Very mild (max 15°C on Sun afternoon, min 11°C on Mon night). Wind will be generally light.

Days 14–17 Weather Summary

Mostly dry. Very mild (max 15°C on Sat afternoon, min 10°C on Tue night). Wind will be generally light.

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
Friday
17
Sat
18
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
AM
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
High Tide
00:27AM1.62m
2:40PM1.36m
1:09AM1.51m
3:11PM1.41m
1:57AM1.38m
3:43PM1.48m
2:55AM1.23m
4:16PM1.56m
4:09AM1.09m
4:54PM1.64m
5:43AM0.99m
5:36PM1.74m
7:28AM0.99m
6:24PM1.83m
8:55AM1.08m
7:16PM1.92m
10:01AM1.19m
8:10PM2.00m
10:53AM1.30m
9:06PM2.06m
11:40AM1.38m
10:00PM2.09m
12:23PM1.44m
10:53PM2.06m
1:04PM1.50m
11:46PM1.98m
1:44PM1.55m
00:38AM1.83m
2:23PM1.59m
Low Tide
6:54PM0.96m
7:33AM-0.15m
7:41PM0.92m
8:08AM-0.06m
8:36PM0.85m
8:44AM0.06m
9:37PM0.74m
9:23AM0.21m
10:44PM0.58m
10:07AM0.39m
11:51PM0.38m
10:57AM0.58m
00:55AM0.16m
11:56AM0.74m
1:54AM-0.05m
1:00PM0.86m
2:49AM-0.25m
2:05PM0.92m
3:42AM-0.40m
3:06PM0.93m
4:32AM-0.49m
4:05PM0.90m
5:20AM-0.52m
5:01PM0.84m
6:05AM-0.48m
5:57PM0.78m
6:50AM-0.39m
6:55PM0.71m
7:32AM-0.23m
Wave
Height (m)
Direction
Period (s)
0.9
SSW
18
1
SW
15
0.9
SSW
16
1
SW
15
0.9
SSW
15
0.9
WSW
14
0.9
SSW
14
1
SW
14
1.1
SW
18
1
SW
17
1
SW
17
1
SW
16
1.1
SW
16
1.1
SW
19
1.2
SW
19
1.6
SW
18
1.4
SW
17
1.4
SW
17
1.6
WNW
7
1.6
SW
16
1.6
SW
16
1.9
WNW
8
1.6
WNW
8
1.4
WNW
8
1.6
WNW
8
1.4
SW
14
1.1
SW
14
1.4
WNW
7
1.2
SW
14
1.3
WNW
6
1.5
WNW
7
1.4
WNW
7
1.4
WNW
8
1.8
WNW
8
1.4
WNW
8
1.3
WNW
8
1.3
WNW
8
1.3
WNW
8
1.1
SW
17
1.1
WNW
7
1.4
WNW
8
1.4
WNW
7
1.4
WNW
7
1.3
WSW
16
1.1
WSW
15
1.1
WSW
16
1.2
WSW
17
part cloud
part cloud
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part cloud
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clear
clear
some clouds
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clear
some clouds
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clear
some clouds
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some clouds
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clear
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
km/h
5
WSW
15
SW
10
WSW
5
WSW
15
SSW
15
WSW
5
WSW
10
SSW
15
WSW
10
SW
10
W
15
WNW
15
WNW
15
W
25
NW
20
WNW
10
W
20
NW
15
WNW
15
WNW
20
WNW
15
WNW
10
W
20
NW
10
W
15
SW
15
W
10
WNW
15
NW
20
NW
15
NW
15
NW
20
NW
10
WNW
15
WNW
20
WNW
10
WNW
15
W
20
WNW
10
W
15
WNW
20
WNW
10
WNW
15
W
20
WNW
10
WNW
15
W
 mm
max °C
12
14
14
12
14
14
12
13
14
12
13
14
13
13
14
12
13
14
13
13
13
12
15
15
12
14
15
13
14
15
14
14
15
13
15
15
11
13
14
12
13
14
12
13
14
12
14
Moonrise
10:39
11:05
11:29
11:53
12:17
12:43
1:14
1:52
2:39
3:38
4:49
6:06
7:24
8:39
9:50
10:57
Moonset
9:17
10:19
11:21
12:25
1:30
2:39
3:53
5:08
6:23
7:30
8:27
9:13
9:49
10:20
10:46
Sunrise
5:52
5:52
5:54
5:54
5:54
5:56
5:56
5:56
5:56
5:58
5:58
5:58
6:00
6:01
6:01
6:01
Sunset
8:34
8:34
8:34
8:34
8:34
8:32
8:32
8:32
8:32
8:31
8:31
8:30
8:30
8:30
8:30
8:29
Today's sea temperature in Half Moon Bay is
16.4° C
(Statistics for 02 Jul 1981-2005 – mean: 13.2 max: 16.1 min: 11.7°C)
Issued (local time): 10 pm Thursday 02 Jul 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest