Castors Harbour, Saint John Bay Sea Conditions and Tide Table

Castors Harbour, Saint John 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 04:12 PM.

Days 1–4 Weather Summary

A dusting of snow turning to light rain (total 7mm) on Sat morning. Icy conditions (max 12°C on Fri night, min -8°C on Thu night). Winds increasing (light winds from the WSW on Thu night, gales from the SW by Sat afternoon).

Days 5–7 Weather Summary

A moderate fall of snow, heaviest on Mon afternoon. Air temperatures will be below freezing (max 0°C on Sun night, min -7°C on Tue night). Winds increasing (calm on Mon morning, strong winds from the NNW by Mon night).

Days 8–10 Weather Summary

A moderate fall of snow, heaviest on Wed night. Temperatures will be below freezing (max -2°C on Sat morning, min -10°C on Fri morning). Winds increasing (light winds from the SSE on Fri afternoon, strong winds from the NE by Sat morning).

Days 11–13 Weather Summary

A dusting of new snow. Temperatures will be below freezing (max -2°C on Sat afternoon, min -11°C on Sun night). Winds decreasing (near gales from the N on Sat afternoon, calm by Sun night).

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
9:48PM1.09m
10:53AM1.50m
10:22PM1.11m
11:28AM1.52m
10:58PM1.12m
12:03PM1.52m
11:34PM1.13m
12:39PM1.51m
00:12AM1.13m
1:15PM1.48m
00:55AM1.13m
1:53PM1.43m
1:42AM1.13m
2:34PM1.37m
2:38AM1.14m
3:18PM1.31m
3:42AM1.15m
4:07PM1.24m
4:55AM1.20m
5:03PM1.18m
6:11AM1.27m
6:06PM1.14m
7:21AM1.36m
Low Tide
4:46PM0.60m
4:00AM0.30m
5:19PM0.59m
4:35AM0.27m
5:51PM0.59m
6:24PM0.59m
5:45AM0.26m
6:59PM0.58m
6:23AM0.28m
7:36PM0.58m
7:04AM0.32m
8:16PM0.57m
7:52AM0.38m
9:00PM0.54m
8:47AM0.44m
9:47PM0.51m
9:50AM0.50m
10:38PM0.46m
11:02AM0.55m
11:32PM0.40m
12:19PM0.58m
00:29AM0.34m
Wave
height (m) 
direction
period (s) 
cloud
light snow
cloud
cloud
light rain
light rain
cloud
snow showers
part cloud
light snow
light snow
light snow
light snow
light snow
cloud
cloud
cloud
cloud
cloud
light snow
light snow
clear
part cloud
part cloud
part cloud
light snow
light snow
light snow
part cloud
part cloud
clear
clear
cloud
cloud
cloud
part cloud
cloudy
light snow
cloudy
cloudy
light rain
light rain
cloudy
snow shwrs
some clouds
light snow
light snow
light snow
light snow
light snow
cloudy
cloudy
cloudy
cloudy
cloudy
light snow
light snow
clear
some clouds
some clouds
some clouds
light snow
light snow
light snow
some clouds
some clouds
clear
clear
cloudy
cloudy
cloudy
some clouds
 km/h
40
W
10
WSW
45
SW
40
SW
55
S
40
SW
65
SW
45
WSW
25
WSW
15
E
25
ESE
5
NNW
35
N
50
NW
30
WNW
25
W
25
WSW
5
ENE
20
ENE
35
NNE
25
NNW
25
WNW
20
W
10
SW
15
ESE
40
E
45
NE
50
N
30
NNW
15
NNW
15
NNW
5
NE
5
ESE
10
ESE
10
ESE
15
E
 mm 
2
5
max°C
-7
-3
2
7
12
7
0
-7
-6
-4
0
0
-1
-2
-6
-5
-6
-6
-5
-6
-8
-8
-8
-9
-8
-3
-2
-2
-4
-8
-7
-10
-9
-8
-6
-5
Moonrise
8:31
9:23
10:02
10:31
10:53
11:09
11:23
11:36
11:48
12:01
12:17
12:39
Moonset
3:14
4:10
5:18
6:32
7:49
9:07
10:24
11:42
1:02
2:26
3:55
Sunrise
8:17
8:17
8:18
8:18
8:18
8:18
8:18
8:19
8:19
8:19
8:19
8:19
Sunset
4:12
4:13
4:13
4:13
4:14
4:14
4:15
4:15
4:16
4:16
4:17
4:19
Today's sea temperature in Castors Harbour, Saint John Bay is
2.5° C
(Statistics for 18 Dec 1981-2005 – mean: 0.5 max: 1.5 min: -0.2°C)
Issued (local time): 1 pm Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest