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 08:07 AM and sunset is at 04:16 PM.

Days 1–3 Weather Summary

Heavy rain (total 30mm), heaviest during Thu morning. Low air temperatures (max 7°C on Thu morning, min 3°C on Thu night). Winds decreasing (fresh winds from the ESE on Thu morning, calm by Fri afternoon).

Days 4–6 Weather Summary

Heavy rain (total 31mm), heaviest during Sun morning. Low air temperatures (max 7°C on Mon afternoon, min 2°C on Tue night). Winds decreasing (fresh winds from the SE on Mon afternoon, calm by Tue night).

Days 7–9 Weather Summary

Some drizzle, heaviest during Fri afternoon. Mild temperatures (max 5°C on Wed morning, min 1°C on Wed night). Wind will be generally light.

Days 10–12 Weather Summary

Heavy rain (total 55mm), heaviest during Tue morning. Mild temperatures (max 8°C on Mon night, min 3°C on Sat morning). Wind will be generally light.

Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
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
2:57PM4.11m
6:30AM4.67m
3:34PM4.04m
7:02AM4.72m
4:12PM3.99m
7:34AM4.75m
4:52PM3.94m
8:07AM4.78m
5:34PM3.87m
8:40AM4.81m
6:21PM3.78m
9:13AM4.84m
7:17PM3.65m
9:45AM4.86m
8:27PM3.51m
10:17AM4.85m
9:52PM3.40m
10:48AM4.82m
11:29PM3.42m
11:20AM4.79m
1:10AM3.63m
11:53AM4.75m
2:47AM3.98m
Low Tide
10:58AM3.68m
10:37PM0.73m
11:43AM3.65m
11:12PM0.65m
12:24PM3.60m
11:48PM0.63m
1:04PM3.54m
00:24AM0.66m
1:47PM3.46m
1:01AM0.75m
2:32PM3.36m
1:38AM0.91m
3:20PM3.20m
2:17AM1.18m
4:11PM2.96m
2:58AM1.56m
5:02PM2.63m
3:44AM2.02m
5:52PM2.20m
4:36AM2.55m
6:41PM1.71m
5:42AM3.07m
7:29PM1.20m
Wave
height (m) 
direction
period (s) 
mod rain
rain showers
rain showers
light rain
part cloud
light rain
light rain
light rain
mod rain
light rain
rain showers
rain showers
light rain
mod rain
rain showers
light rain
light rain
rain showers
cloud
cloud
part cloud
cloud
cloud
part cloud
cloud
light rain
cloud
cloud
part cloud
light rain
cloud
cloud
light rain
mod rain
mod rain
heavy rain
mod rain
rain shwrs
rain shwrs
light rain
some clouds
light rain
light rain
light rain
mod rain
light rain
rain shwrs
rain shwrs
light rain
mod rain
rain shwrs
light rain
light rain
rain shwrs
cloudy
cloudy
some clouds
cloudy
cloudy
some clouds
cloudy
light rain
cloudy
cloudy
some clouds
light rain
cloudy
cloudy
light rain
mod rain
mod rain
heavy rain
 km/h
35
ESE
30
ESE
15
NW
15
ESE
0
S
20
ESE
20
SE
20
SE
20
SE
20
SE
15
SE
10
SE
25
SE
35
SE
25
SE
15
SE
10
ESE
10
ENE
10
N
10
NW
15
NNW
10
NNW
10
SE
15
NW
5
ESE
5
SW
10
NW
0
WNW
10
SE
15
ESE
15
ESE
15
ESE
20
E
20
E
15
ENE
10
ESE
 mm 
9
6
2
1
1
2
2
7
4
3
3
3
6
7
2
2
1
1
1
5
8
8
25
max°C
7
7
5
5
5
6
6
7
7
6
6
5
6
7
6
6
5
4
5
4
2
3
2
2
3
3
4
4
5
5
7
7
7
7
7
8
Moonrise
7:29
8:29
9:19
9:57
10:26
10:48
11:06
11:21
11:35
11:49
12:04
12:23
Moonset
2:45
3:31
4:30
5:38
6:51
8:06
9:22
10:38
11:54
1:13
2:36
Sunrise
8:07
8:07
8:07
8:08
8:08
8:10
8:10
8:11
8:11
8:11
8:11
8:11
Sunset
4:16
4:16
4:16
4:17
4:17
4:19
4:20
4:20
4:21
4:22
4:22
4:22
Today's sea temperature in Halfmoon Bay is
8.6° C
(Statistics for 18 Dec 1981-2005 – mean: 8.3 max: 9.2 min: 6.7°C)
Issued (local time): 3 am Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest