Port Simpson Sea Conditions and Tide Table

Port Simpson 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 09:00 AM and sunset is at 04:16 PM.

Days 1–3 Weather Summary

A light covering of new snow, mostly falling on Mon night. Air temperatures will be below freezing (max -3°C on Sat morning, min -10°C on Mon afternoon). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Air temperatures will be below freezing (max -5°C on Thu morning, min -11°C on Tue night). Wind will be generally light.

Days 7–9 Weather Summary

Light rain (total 4mm), mostly falling on Sun night. Freeze-thaw conditions (max 5°C on Sat morning, min -7°C on Fri morning). Wind will be generally light.

Days 10–12 Weather Summary

Heavy rain (total 35mm), heaviest during Mon afternoon. Freeze-thaw conditions (max 4°C on Mon night, min -2°C on Thu morning). Winds decreasing (fresh winds from the SSE on Tue night, light winds from the ESE by Wed night).

Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
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
1:16PM6.09m
2:26AM5.37m
1:51PM6.10m
3:00AM5.37m
2:27PM6.04m
3:35AM5.37m
3:04PM5.93m
4:11AM5.36m
3:44PM5.73m
4:50AM5.38m
4:30PM5.48m
5:33AM5.43m
5:24PM5.18m
6:20AM5.50m
6:31PM4.89m
7:14AM5.63m
7:50PM4.72m
8:13AM5.80m
9:14PM4.74m
9:15AM6.02m
10:31PM4.95m
10:15AM6.28m
11:36PM5.25m
Low Tide
7:25AM2.65m
8:03PM0.98m
8:00AM2.61m
8:37PM0.97m
8:36AM2.60m
9:12PM1.01m
9:14AM2.59m
9:47PM1.11m
9:55AM2.59m
10:23PM1.27m
10:43AM2.58m
11:02PM1.51m
11:39AM2.53m
11:47PM1.80m
12:45PM2.40m
00:39AM2.13m
1:58PM2.15m
1:41AM2.44m
3:09PM1.77m
2:52AM2.64m
4:15PM1.32m
4:02AM2.69m
5:14PM0.90m
5:07AM2.63m
Wave
height (m) 
direction
period (s) 
0.2
NNE
3
0.2
NNE
3
0.2
N
2
0.5
N
3
0.3
N
3
0.2
NNE
3
0.3
NNE
3
0.4
NNE
3
0.3
NNE
3
0.3
NNE
3
0.1
N
2
0.3
NNE
3
0.3
NNE
3
0.4
N
3
0.3
NNE
3
0.2
N
3
0.2
N
3
0.2
N
2
0.1
N
2
0
W
3
0.3
S
3
0.4
S
3
0.5
S
3
0.4
S
3
0.2
S
3
0.2
S
3
0.2
ENE
2
0.3
NE
2
0.3
ENE
2
0.3
ESE
3
0.3
E
2
0.3
NE
2
0.5
S
4
0.5
S
3
0.3
S
3
0.1
S
2
light snow
light snow
part cloud
cloud
cloud
part cloud
part cloud
part cloud
light snow
cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
light rain
cloud
cloud
cloud
cloud
cloud
light rain
light rain
mod rain
heavy rain
light rain
light rain
light rain
rain showers
part cloud
cloud
light snow
light snow
some clouds
cloudy
cloudy
some clouds
some clouds
some clouds
light snow
cloudy
cloudy
some clouds
clear
clear
clear
clear
clear
clear
some clouds
some clouds
light rain
cloudy
cloudy
cloudy
cloudy
cloudy
light rain
light rain
mod rain
heavy rain
light rain
light rain
light rain
rain shwrs
some clouds
cloudy
 km/h
15
NE
10
NE
10
NE
25
NE
15
NE
15
ENE
20
NE
20
NE
15
NE
15
NE
10
NE
15
NE
20
NE
20
NE
15
NE
15
NE
15
NE
10
NE
5
ENE
0
ESE
15
SSE
20
SE
20
SE
15
SE
10
ENE
10
E
15
ENE
15
ENE
20
ENE
15
ENE
15
E
15
ENE
20
SE
15
SSE
10
ESE
10
ESE
 mm 
1
3
3
8
11
3
4
3
3
max°C
-3
-4
-5
-6
-5
-6
-7
-8
-8
-7
-6
-9
-7
-7
-10
-5
-5
-9
-3
-1
3
5
5
5
4
4
3
3
3
4
3
3
4
4
3
-1
Moonrise
10:26
10:59
11:20
11:36
11:46
11:55
12:03
12:11
12:20
12:32
12:49
1:15
Moonset
4:17
5:31
6:52
8:15
9:38
11:00
12:23
1:49
3:20
4:56
6:34
Sunrise
9:00
9:02
9:02
9:03
9:03
9:03
9:03
9:03
9:03
9:03
9:03
9:03
Sunset
4:16
4:16
4:17
4:17
4:19
4:20
4:21
4:21
4:22
4:22
4:23
4:24
Today's sea temperature in Port Simpson is
7.6° C
(Statistics for 20 Dec 1981-2005 – mean: 7.1 max: 9.3 min: 5.9°C)
Issued (local time): 3 am Saturday 20 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest