Saint John Sea Conditions and Tide Table

Saint John 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 —.

Days 1–4 Weather Summary

Heavy rain (total 20mm), heaviest during Fri night. Icy conditions (max 14°C on Fri night, min -3°C on Sat morning). Winds decreasing (near gales from the S on Fri night, calm by Sat night).

Days 5–7 Weather Summary

Mostly dry. Air temperatures will be below freezing (max -2°C on Sun night, min -9°C on Mon night). Winds decreasing (fresh winds from the NW on Mon afternoon, calm by Tue night).

Days 8–10 Weather Summary

A light covering of new snow, mostly falling on Fri afternoon. Freeze-thaw conditions (max 3°C on Thu afternoon, min -5°C on Wed night). Wind will be generally light.

Days 11–13 Weather Summary

Mostly dry. Temperatures will be below freezing (max -4°C on Mon afternoon, min -10°C on Sun night). Wind will be generally light.

Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tue
30
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
High Tide
11:04PM6.96m
11:15AM7.42m
11:43PM7.01m
11:54AM7.48m
00:20AM7.05m
12:31PM7.52m
00:57AM7.07m
1:08PM7.53m
1:34AM7.09m
1:46PM7.52m
2:13AM7.11m
2:26PM7.48m
2:54AM7.14m
3:10PM7.42m
3:38AM7.20m
3:58PM7.33m
4:27AM7.28m
4:50PM7.25m
5:20AM7.39m
5:47PM7.20m
6:16AM7.54m
6:47PM7.22m
7:14AM7.72m
Low Tide
5:09AM1.89m
5:35PM1.41m
5:47AM1.85m
6:13PM1.36m
6:25AM1.82m
6:49PM1.34m
7:03AM1.80m
7:26PM1.34m
7:41AM1.78m
8:05PM1.35m
8:21AM1.77m
8:45PM1.37m
9:04AM1.75m
9:29PM1.40m
9:51AM1.72m
10:17PM1.44m
10:43AM1.67m
11:08PM1.47m
11:39AM1.56m
00:04AM1.47m
12:39PM1.40m
1:03AM1.43m
1:40PM1.17m
Wave
height (m) 
direction
period (s) 
part cloud
part cloud
mod rain
rain showers
part cloud
clear
part cloud
light rain
rain showers
clear
part cloud
part cloud
clear
part cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
light snow
mod snow
light snow
part cloud
part cloud
clear
clear
clear
clear
cloud
cloud
part cloud
part cloud
clear
some clouds
some clouds
mod rain
rain shwrs
some clouds
clear
some clouds
light rain
rain shwrs
clear
some clouds
some clouds
clear
some clouds
cloudy
cloudy
cloudy
some clouds
some clouds
cloudy
cloudy
cloudy
light snow
mod snow
light snow
some clouds
some clouds
clear
clear
clear
clear
cloudy
cloudy
some clouds
some clouds
clear
 km/h
30
SSW
30
S
45
S
25
WSW
25
W
20
WNW
20
SSW
35
SW
25
WSW
25
W
25
NW
25
NW
20
WNW
15
W
5
W
5
N
5
N
10
N
0
NNW
15
SW
15
WSW
10
NE
20
ENE
20
NE
15
N
15
NW
20
NW
20
NNW
20
NNW
20
NNW
5
NW
5
WNW
5
NW
10
NW
20
NW
10
WNW
 mm 
7
11
1
1
max°C
8
11
13
14
-2
-1
3
5
6
-2
-6
-6
-8
-7
-4
-4
-3
-2
-3
1
3
1
0
0
-1
-1
1
-5
-8
-6
-8
-7
-4
-5
-7
-4
Moonrise
8:03
8:55
9:38
10:12
10:39
11:02
11:22
11:40
11:58
12:17
12:40
1:08
Moonset
3:57
4:53
5:57
7:05
8:16
9:27
10:38
11:50
1:04
2:21
3:43
Sunrise
7:58
7:58
8:00
8:00
8:00
8:00
8:02
8:02
8:02
8:02
8:03
8:03
Sunset
4:43
4:44
4:44
4:45
4:45
4:45
4:45
4:46
4:47
4:47
4:49
4:50
Today's sea temperature in Saint John is
7.1° C
(Statistics for 18 Dec 1981-2005 – mean: 5.7 max: 7.3 min: 4.1°C)
Issued (local time): 7 pm Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest