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 07:52 AM and sunset is at 07:49 PM.

Days 1–3 Weather Summary

Moderate rain (total 17mm), heaviest on Wed afternoon. Low air temperatures (max 6°C on Tue afternoon, min 1°C on Mon morning). Wind will be generally light.

Days 4–6 Weather Summary

Moderate rain (total 12mm), heaviest on Thu morning. Low air temperatures (max 7°C on Sat afternoon, min 3°C on Fri morning). Wind will be generally light.

Days 7–9 Weather Summary

Heavy rain (total 53mm), heaviest during Mon afternoon. Mild temperatures (max 7°C on Tue afternoon, min 3°C on Sun morning). Wind will be generally light.

Days 10–12 Weather Summary

Light rain (total 5mm), mostly falling on Wed night. Mild temperatures (max 8°C on Wed afternoon, min 3°C on Thu night). Wind will be generally light.

Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
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
4:17PM5.66m
4:13AM6.08m
4:50PM5.37m
4:40AM5.90m
5:26PM5.03m
5:11AM5.67m
6:10PM4.68m
5:49AM5.41m
7:14PM4.36m
6:43AM5.14m
8:59PM4.24m
8:10AM4.96m
10:41PM4.46m
9:52AM5.06m
11:39PM4.87m
11:08AM5.41m
00:19AM5.35m
12:05PM5.83m
00:54AM5.86m
12:54PM6.21m
1:29AM6.33m
1:40PM6.49m
2:03AM6.73m
Low Tide
10:11AM1.40m
10:12PM2.02m
10:41AM1.54m
10:38PM2.37m
11:15AM1.76m
11:04PM2.73m
11:54AM2.03m
11:36PM3.08m
12:49PM2.30m
00:24AM3.40m
2:12PM2.46m
2:04AM3.62m
3:50PM2.35m
4:05AM3.47m
5:02PM2.02m
5:18AM3.01m
5:54PM1.62m
6:11AM2.41m
6:36PM1.25m
6:55AM1.78m
7:15PM1.00m
7:38AM1.18m
7:53PM0.89m
Wave
height (m) 
direction
period (s) 
0.1
S
2
0.2
S
2
0.3
S
3
0.2
S
3
0.4
S
3
0.2
ESE
2
0.3
S
3
0.2
NNE
2
0.1
NE
2
0
W
4
0.7
S
4
0.4
SE
2
0.1
S
3
0.2
SSW
3
0.2
S
3
0.2
S
3
0.5
S
3
0.2
S
3
0.3
SSE
3
0.1
S
2
0.1
NW
4
0.2
NNW
4
0.2
NNW
3
0.1
S
3
0.1
E
2
0.1
W
4
0.1
N
3
0.3
N
3
0.3
NNW
3
0
W
2
0
W
2
0
W
4
0
E
2
0
W
2
0
W
2
0
W
2
cloud
part cloud
cloud
cloud
cloud
cloud
light rain
mod rain
mod rain
light rain
light rain
rain showers
cloud
light rain
light rain
cloud
light rain
light rain
mod rain
light rain
cloud
mod rain
heavy rain
mod rain
light rain
part cloud
rain showers
clear
cloud
light rain
light rain
light rain
cloud
cloud
cloud
cloud
cloudy
some clouds
cloudy
cloudy
cloudy
cloudy
light rain
mod rain
mod rain
light rain
light rain
rain shwrs
cloudy
light rain
light rain
cloudy
light rain
light rain
mod rain
light rain
cloudy
mod rain
heavy rain
mod rain
light rain
some clouds
rain shwrs
clear
cloudy
light rain
light rain
light rain
cloudy
cloudy
cloudy
cloudy
 km/h
15
S
15
S
15
SSE
10
ESE
10
ESE
15
E
10
ENE
15
NE
15
ENE
0
ENE
25
SSE
20
ESE
5
SE
10
SSW
10
ESE
10
SE
20
SSE
10
E
10
E
5
ESE
10
ENE
10
NE
5
NE
10
ESE
10
E
10
ENE
5
ENE
15
NNE
10
NNE
5
NE
5
NE
0
ENE
5
E
0
SE
5
WNW
5
NE
 mm 
2.0
6
9
2.0
2.0
2.0
1.0
1.0
1.0
3
10
4
8
17
9
3
2.0
2.0
2.0
1.0
max°C
3
5
4
4
6
5
4
4
4
5
6
5
5
6
5
6
7
5
4
5
5
4
3
5
6
7
6
6
8
7
5
7
6
5
6
5
Moonrise
12:25
1:44
3:02
4:14
5:14
5:56
6:23
6:42
6:54
7:04
7:13
Moonset
8:27
8:38
8:52
9:14
9:49
10:43
11:55
1:21
2:54
4:28
6:02
7:37
Sunrise
7:52
7:48
7:47
7:43
7:41
7:39
7:37
7:33
7:31
7:28
7:26
7:24
Sunset
7:49
7:50
7:52
7:53
7:55
7:58
8:00
8:01
8:04
8:06
8:07
8:09
Today's sea temperature in Port Simpson is 6.5 °C (Statistics for 17 Mar 1981-2005 – mean: 6.5 max: 8.2 min: 5.5°C)
Issued (local time): 10 am Monday 17 Mar 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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