Halfmoon Bay Sea Conditions and Tide Table

Halfmoon 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 06:30 AM and sunset is at 07:59 PM.

Days 1–3 Weather Summary

Heavy rain (total 27mm), heaviest during Wed night. Warm air temperatures (max 20°C on Tue afternoon, min 12°C on Thu night). Winds decreasing (fresh winds from the SE on Wed morning, calm by Thu afternoon).

Days 4–6 Weather Summary

Mostly dry. Warm air temperatures (max 23°C on Sun afternoon, min 13°C on Fri morning). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Warm (max 24°C on Mon afternoon, min 13°C on Wed night). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Warm (max 20°C on Sat afternoon, min 13°C on Thu morning). Wind will be generally light.

Days 13–16 Weather Summary

Moderate rain (total 10mm), heaviest on Wed afternoon. Warm (max 22°C on Sun afternoon, min 13°C on Wed night). Wind will be generally light.

Tuesday
1
Wednesday
2
Thursday
3
Friday
4
Saturday
5
Sunday
6
Monday
7
Tuesday
8
Wednesday
9
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wed
16
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
PM
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
9:27AM4.04m
8:48PM4.46m
10:34AM4.02m
9:17PM4.41m
11:52AM4.02m
9:50PM4.33m
1:24PM4.07m
10:35PM4.22m
2:55PM4.20m
11:40PM4.09m
3:59PM4.35m
1:06AM4.00m
4:44PM4.46m
2:30AM3.97m
5:19PM4.54m
5:49PM4.60m
6:17PM4.62m
5:51AM4.09m
6:44PM4.62m
6:48AM4.12m
7:11PM4.58m
7:44AM4.14m
7:37PM4.49m
8:40AM4.15m
8:04PM4.36m
9:38AM4.15m
Low Tide
2:56PM2.52m
3:49AM1.22m
3:42PM2.95m
4:39AM1.05m
4:39PM3.33m
5:38AM0.95m
5:54PM3.61m
6:43AM0.88m
7:29PM3.70m
7:51AM0.83m
8:59PM3.58m
8:55AM0.79m
10:05PM3.32m
9:52AM0.80m
10:56PM2.99m
10:43AM0.90m
11:40PM2.62m
11:29AM1.09m
00:21AM2.26m
12:12PM1.38m
1:00AM1.93m
12:54PM1.73m
1:38AM1.65m
1:36PM2.12m
2:16AM1.45m
2:19PM2.51m
2:54AM1.33m
3:05PM2.87m
Wave
Height (m)
Direction
Period (s)
clear
part cloud
rain showers
light rain
light rain
mod rain
light rain
light rain
mod rain
cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
clear
part cloud
part cloud
part cloud
cloud
mod rain
clear
some clouds
rain shwrs
light rain
light rain
mod rain
light rain
light rain
mod rain
cloudy
cloudy
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
cloudy
some clouds
clear
some clouds
some clouds
some clouds
cloudy
mod rain
km/h
20
SE
20
SE
25
ESE
30
SE
25
ESE
10
ESE
5
SSE
5
NNW
5
ENE
10
NW
15
WNW
10
N
10
W
10
W
10
N
10
WSW
10
WNW
10
N
10
W
5
WSW
10
ESE
15
SE
10
SE
10
WNW
10
WNW
10
W
5
NE
5
S
5
SW
5
NNE
10
WSW
5
WSW
5
N
10
WSW
10
W
5
N
10
WSW
5
W
5
NNE
10
SSE
5
SSE
5
E
10
SSW
10
W
5
ENE
15
SE
15
ESE
 mm
2
4
1
6
3
3
8
6
max °C
18
20
18
16
19
15
14
14
13
14
17
15
17
21
19
19
23
21
20
24
19
15
16
16
16
19
17
14
16
15
16
18
16
17
20
19
19
22
22
20
22
20
17
18
17
15
15
Moonrise
9:20
9:48
10:27
11:22
12:34
1:56
3:23
4:48
6:11
7:31
8:48
10:04
11:19
12:34
1:45
Moonset
12:11
1:34
2:57
4:10
5:10
5:54
6:25
6:48
7:07
7:22
7:36
7:51
8:07
8:26
8:49
Sunrise
6:30
6:31
6:33
6:35
6:35
6:37
6:39
6:41
6:41
6:43
6:45
6:46
6:48
6:48
6:50
6:52
Sunset
7:59
7:57
7:54
7:52
7:51
7:49
7:45
7:44
7:42
7:39
7:37
7:36
7:32
7:30
7:29
7:27
Today's sea temperature in Halfmoon Bay is
17.9°C
(Statistics for 01 Sep 1981-2005 – mean: 14.0 max: 16.1 min: 11.7°C)
Issued (local time): 10 am Tuesday 01 Sep 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
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