Saint John's Harbour Sea Conditions and Tide Table

Saint John's Harbour 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 07:47 AM and sunset is at 04:14 PM.

Days 1–3 Weather Summary

A light covering of new snow, mostly falling on Thu morning will be washed away by heavy rain (total 30mm) on Fri night. Icy conditions (max 6°C on Thu afternoon, min -2°C on Fri morning). Mainly near gales.

Days 4–6 Weather Summary

A light covering of new snow, mostly falling on Sun night. Becoming milder with light rain (total 4mm) on Tue morning. Icy conditions (max 6°C on Tue morning, min -2°C on Mon night). Winds increasing (light winds from the ESE on Sun night, strong winds from the NW by Mon afternoon).

Days 7–9 Weather Summary

Mostly dry. Freeze-thaw conditions (max 6°C on Fri night, min 0°C on Wed night). Mainly fresh winds.

Days 10–12 Weather Summary

Moderate rain (total 16mm), heaviest on Mon night. Freeze-thaw conditions (max 6°C on Mon night, min -9°C on Sun night). Winds increasing (light winds from the N on Sat night, near gales from the SSW by Mon night).

Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
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
10:34AM1.32m
11:09PM1.08m
11:17AM1.26m
11:59PM1.09m
12:07PM1.19m
00:56AM1.11m
1:08PM1.11m
2:02AM1.15m
2:23PM1.05m
3:14AM1.21m
3:50PM1.01m
4:25AM1.29m
5:10PM1.02m
5:27AM1.37m
6:16PM1.05m
6:24AM1.45m
7:09PM1.09m
7:14AM1.52m
7:55PM1.13m
8:01AM1.55m
8:37PM1.15m
8:46AM1.55m
9:18PM1.17m
Low Tide
5:09PM0.42m
4:55AM0.52m
5:55PM0.44m
5:57AM0.55m
6:46PM0.47m
7:14AM0.57m
7:44PM0.50m
8:38AM0.56m
8:47PM0.52m
9:59AM0.51m
9:50PM0.51m
11:10AM0.44m
10:50PM0.50m
12:13PM0.37m
11:48PM0.47m
1:08PM0.31m
00:41AM0.43m
1:57PM0.27m
1:31AM0.39m
2:43PM0.26m
2:18AM0.37m
3:26PM0.27m
3:04AM0.38m
Wave
height (m) 
direction
period (s) 
5
ENE
9
4.5
ESE
11
4
ESE
12
2.5
ESE
12
2.5
ESE
11
5.5
ESE
12
5
ESE
12
4
ESE
11
3
ESE
10
2.4
ESE
10
2.1
E
11
1.9
E
10
2.3
ENE
10
3
E
11
3.5
ESE
12
3
E
12
2.5
E
12
2.3
E
11
1.7
E
10
1.6
E
10
1.3
E
10
1.2
E
10
1.1
E
9
1
E
9
1.2
ESE
8
1.6
SSE
6
1.4
SE
8
1.3
SSE
6
0.9
ESE
8
0.6
ESE
8
1.2
ESE
9
1.3
ESE
7
2
SE
12
1.4
SE
12
1.3
SE
11
2.5
S
8
light snow
mod rain
rain showers
part cloud
cloud
light snow
light rain
light rain
light snow
part cloud
part cloud
light snow
light snow
light snow
snow showers
light rain
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
cloud
cloud
cloud
light rain
cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
heavy rain
light snow
mod rain
rain shwrs
some clouds
cloudy
light snow
light rain
light rain
light snow
some clouds
some clouds
light snow
light snow
light snow
snow shwrs
light rain
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
clear
some clouds
cloudy
cloudy
cloudy
light rain
cloudy
cloudy
cloudy
cloudy
some clouds
some clouds
cloudy
heavy rain
 km/h
50
ENE
35
SSE
45
WSW
10
WSW
35
NE
45
E
45
ESE
30
SE
35
S
30
S
15
SSE
10
N
40
NNW
35
NW
25
WSW
30
SSW
40
SW
35
SW
25
SW
20
SW
20
SSW
20
SSW
15
SSW
20
SSW
30
S
30
S
25
S
35
WSW
20
WNW
10
N
25
NW
30
WNW
30
WNW
15
SW
25
SSW
50
SSW
 mm 
5
6
1
16
1
1
4
1
13
max°C
2
6
3
-1
-1
4
3
2
2
1
1
1
1
0
1
6
5
2
2
2
1
2
2
3
4
4
6
4
-3
-4
-5
-5
-8
-5
-2
6
Moonrise
11:00
11:17
11:32
11:49
12:10
12:35
1:10
1:59
3:05
4:24
5:49
7:13
Moonset
10:10
11:24
12:40
2:00
3:24
4:51
6:15
7:28
8:25
9:05
9:35
Sunrise
7:47
7:47
7:48
7:48
7:48
7:48
7:48
7:48
7:48
7:48
7:48
7:48
Sunset
4:14
4:14
4:15
4:15
4:16
4:17
4:19
4:20
4:21
4:22
4:22
4:23
Today's sea temperature in Saint John's Harbour is
2.5° C
(Statistics for 25 Dec 1981-2005 – mean: 2.1 max: 4.0 min: 0.7°C)
Issued (local time): 1 am Thursday 25 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest