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 08:52 AM and sunset is at 04:15 PM.

Days 1–3 Weather Summary

Heavy rain (total 20mm), mainly falling on Wed morning. Becoming colder with a light covering of snow, mostly falling on Fri night. Icy conditions (max 7°C on Wed morning, min -4°C on Fri morning). Wind will be generally light.

Days 4–6 Weather Summary

A moderate fall of snow, heaviest on Sat morning. Turning milder with heavy rain (total 72mm), heaviest during Sun night. Icy conditions (max 8°C on Sun night, min -1°C on Sat morning). Mainly fresh winds.

Days 7–9 Weather Summary

Mild with heavy rain (total 29mm), heaviest during Tue afternoon. Becoming colder with a moderate fall of snow, heaviest on Wed afternoon. Freeze-thaw conditions (max 4°C on Tue morning, min -9°C on Thu night). Wind will be generally light.

Days 10–12 Weather Summary

A light covering of new snow, mostly falling on Fri morning. Temperatures will be well below freezing (max -7°C on Fri afternoon, min -16°C on Sun night). Wind will be generally light.

Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
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
5:27PM5.42m
6:35AM5.32m
6:35PM4.99m
7:33AM5.30m
7:52PM4.71m
8:30AM5.35m
9:10PM4.61m
9:21AM5.44m
10:19PM4.67m
10:07AM5.56m
11:15PM4.82m
10:49AM5.69m
00:02AM4.99m
11:28AM5.82m
00:41AM5.14m
12:05PM5.94m
1:18AM5.26m
12:40PM6.04m
1:52AM5.33m
1:16PM6.09m
2:26AM5.37m
1:51PM6.10m
3:00AM5.37m
Low Tide
11:34AM2.59m
00:05AM1.48m
12:45PM2.64m
1:02AM1.89m
2:00PM2.55m
2:01AM2.23m
3:10PM2.33m
3:00AM2.48m
4:09PM2.05m
3:55AM2.65m
4:58PM1.77m
4:45AM2.73m
5:40PM1.52m
5:30AM2.76m
6:18PM1.31m
6:11AM2.73m
6:54PM1.16m
6:49AM2.69m
7:29PM1.05m
7:25AM2.65m
8:03PM0.98m
8:00AM2.61m
8:37PM0.97m
Wave
height (m) 
direction
period (s) 
0.5
SSW
3
0.4
SSW
3
0.1
NW
3
0.1
NW
3
0.2
N
2
0.3
NNE
3
0.3
NNE
3
0.4
NNE
3
0.3
NNE
3
0.4
NE
3
0.3
NE
2
0.2
ENE
2
0.6
S
4
0.6
S
4
0.4
WSW
3
0.2
S
2
0.7
SW
4
0.9
SSW
4
0.4
SSE
4
0.5
S
3
0.8
WSW
4
0.4
SW
3
0.2
SSW
2
0.3
SSW
3
0.3
NE
3
0.4
NNE
3
0.4
NNE
3
0.4
NNE
3
0.3
NNE
3
0.3
NNE
3
0.3
NNE
3
0.3
NNE
2
0.3
NNE
3
0.3
NNE
3
0.3
NNE
3
0.2
NNE
3
rain showers
mod rain
light rain
part cloud
cloud
cloud
cloud
cloud
mod snow
heavy snow
light snow
mod rain
light rain
heavy rain
heavy rain
light rain
light rain
mod rain
light rain
light snow
heavy rain
light rain
light snow
light snow
cloud
light snow
snow showers
light snow
light snow
light snow
light snow
cloud
cloud
part cloud
part cloud
part cloud
rain shwrs
mod rain
light rain
some clouds
cloudy
cloudy
cloudy
cloudy
mod snow
heavy snow
light snow
mod rain
light rain
heavy rain
heavy rain
light rain
light rain
mod rain
light rain
light snow
heavy rain
light rain
light snow
light snow
cloudy
light snow
snow shwrs
light snow
light snow
light snow
light snow
cloudy
cloudy
some clouds
some clouds
some clouds
 km/h
15
SSW
10
SW
10
WSW
5
N
15
NNE
15
NE
20
NE
20
NE
20
NE
20
ENE
15
E
15
ENE
20
ESE
20
ESE
10
W
15
SSE
25
SSW
30
S
15
E
15
SSE
25
WSW
15
S
5
SE
5
W
20
NE
25
ENE
20
NE
20
NE
15
NE
15
NE
15
NE
15
NE
15
NE
15
NE
15
NE
15
NE
 mm 
13
6
1
8
3
16
31
1
5
8
4
5
14
5
1
max°C
7
7
2
0
-2
-3
-3
-3
-2
0
2
4
5
6
8
4
5
5
4
4
4
3
3
1
-2
-3
-5
-8
-7
-7
-9
-9
-11
-12
-12
-15
Moonrise
11:41
1:00
2:15
3:31
4:47
6:04
7:22
8:35
9:38
10:26
10:59
Moonset
12:51
12:59
1:06
1:12
1:20
1:30
1:44
2:03
2:32
3:17
4:17
5:31
Sunrise
8:52
8:53
8:55
8:56
8:56
8:57
8:57
8:59
9:00
9:00
9:00
9:02
Sunset
4:15
4:15
4:15
4:15
4:15
4:15
4:15
4:15
4:15
4:15
4:16
4:16
Today's sea temperature in Port Simpson is
8.1° C
(Statistics for 10 Dec 1981-2005 – mean: 7.3 max: 9.5 min: 6.3°C)
Issued (local time): 9 am Wednesday 10 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest