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 — and sunset is at 04:16 PM.

Days 1–4 Weather Summary

Moderate rain (total 18mm), heaviest on Thu afternoon. Low air temperatures (max 8°C on Thu afternoon, min 3°C on Thu night). Winds decreasing (fresh winds from the ESE on Thu afternoon, calm by Fri afternoon).

Days 5–7 Weather Summary

Heavy rain (total 23mm), heaviest during Sun night. Low air temperatures (max 6°C on Sun afternoon, min 1°C on Tue night). Winds decreasing (fresh winds from the SE on Mon morning, light winds from the N by Tue night).

Days 8–10 Weather Summary

Light rain (total 6mm), mostly falling on Sat morning. Freeze-thaw conditions (max 7°C on Fri night, min 0°C on Wed night). Winds increasing (calm on Thu night, fresh winds from the SE by Sat morning).

Days 11–13 Weather Summary

Heavy rain (total 48mm), heaviest during Sat night. Later becoming colder with a dusting of snow on Mon afternoon. Freeze-thaw conditions (max 8°C on Sat afternoon, min -1°C on Mon night). Winds decreasing (fresh winds from the ESE on Sat afternoon, calm by Mon morning).

Thu
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tue
30
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
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
12:30PM4.72m
Low Tide
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) 
rain showers
rain showers
cloud
rain showers
cloud
light rain
light rain
light rain
rain showers
rain showers
mod rain
light rain
light rain
light rain
light rain
part cloud
part cloud
clear
cloud
part cloud
cloud
part cloud
part cloud
part cloud
cloud
light rain
light rain
light rain
heavy rain
heavy rain
light rain
part cloud
part cloud
light snow
rain showers
clear
rain shwrs
rain shwrs
cloudy
rain shwrs
cloudy
light rain
light rain
light rain
rain shwrs
rain shwrs
mod rain
light rain
light rain
light rain
light rain
some clouds
some clouds
clear
cloudy
some clouds
cloudy
some clouds
some clouds
some clouds
cloudy
light rain
light rain
light rain
heavy rain
heavy rain
light rain
some clouds
some clouds
light snow
rain shwrs
clear
 km/h
30
ESE
10
NW
10
ESE
10
ESE
15
ESE
20
SSE
20
SE
25
SE
25
SE
10
SE
10
SE
40
SE
25
SE
20
S
20
ESE
15
ESE
15
N
10
NNW
10
NW
15
N
10
ESE
5
WSW
5
ENE
0
ESE
10
ESE
25
ESE
25
SE
35
ESE
40
ESE
35
ESE
10
WSW
5
NNW
10
NW
5
N
15
NNW
5
N
 mm 
5
1
1
2
2
5
2
3
6
3
5
4
2
3
3
2
28
15
2
1
max°C
8
5
5
5
6
6
7
7
6
6
6
6
5
5
6
5
3
4
3
1
3
2
3
5
4
7
7
8
7
6
6
4
3
2
2
2
Moonrise
8:29
9:19
9:57
10:26
10:48
11:06
11:21
11:35
11:49
12:04
12:23
12:48
Moonset
3:31
4:30
5:38
6:51
8:06
9:22
10:38
11:54
1:13
2:36
4:04
Sunrise
8:07
8:07
8:08
8:08
8:10
8:10
8:11
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 pm Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest