Port Chalmers, Montague Island Sea Conditions and Tide Table

Port Chalmers, Montague Island 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 09:53 AM and sunset is at 03:42 PM.

Days 1–3 Weather Summary

A heavy fall of snow, heaviest during Fri night. Air temperatures will be below freezing (max 0°C on Sat morning, min -6°C on Thu night). Winds increasing (calm on Thu night, strong winds from the E by Fri night).

Days 4–6 Weather Summary

A heavy fall of snow, heaviest during Mon afternoon. Air temperatures will be below freezing (max 0°C on Mon night, min -7°C on Sun morning). Mainly fresh winds.

Days 7–9 Weather Summary

Mostly dry. Temperatures will be below freezing (max -5°C on Wed morning, min -7°C on Wed night). Wind will be generally light.

Days 10–12 Weather Summary

A moderate fall of snow, heaviest on Mon night. Turning milder with moderate rain (total 15mm), heaviest on Mon night. Freeze-thaw conditions (max 3°C on Mon night, min -5°C on Sat morning). Winds increasing (calm on Sun night, near gales from the E 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
4:05PM3.28m
5:36AM3.25m
5:04PM2.98m
6:25AM3.36m
6:25PM2.73m
7:17AM3.51m
7:55PM2.62m
8:10AM3.71m
9:16PM2.65m
9:03AM3.92m
10:29PM2.80m
9:57AM4.12m
11:38PM3.01m
10:52AM4.26m
00:36AM3.23m
11:47AM4.40m
1:26AM3.43m
12:41PM4.45m
2:11AM3.57m
1:31PM4.41m
2:53AM3.65m
2:19PM4.26m
3:33AM3.67m
Low Tide
10:31AM1.29m
10:54PM0.18m
11:25AM1.21m
11:37PM0.44m
12:26PM1.08m
00:25AM0.74m
1:36PM0.87m
1:22AM1.04m
2:52PM0.56m
2:30AM1.27m
4:02PM0.16m
3:42AM1.37m
5:01PM-0.23m
4:47AM1.35m
5:53PM-0.56m
5:45AM1.20m
6:41PM-0.80m
6:36AM1.04m
7:26PM-0.90m
7:26AM0.90m
8:10PM-0.88m
8:15AM0.81m
8:52PM-0.73m
Wave
height (m) 
direction
period (s) 
0.6
N
4
0.5
N
3
0.3
SSE
10
0.5
ESE
5
1.1
E
5
2.5
E
7
3.5
ESE
9
3
ESE
11
2.5
SE
10
2.2
SSE
11
2
S
11
1.9
S
12
1.6
S
11
2.5
ESE
8
3
SSE
10
2.5
S
12
2.2
S
12
2
S
12
1.6
S
11
1.5
S
12
1.1
S
11
0.9
SSE
10
0.8
SSE
9
0.6
SE
9
0.6
SE
8
0.5
SE
8
0.4
SE
7
0.3
SE
7
1.2
ESE
4
1.6
ESE
6
1.7
ESE
8
1.4
ESE
9
1
ESE
8
0.8
ESE
8
1.3
ESE
4
3.5
ESE
8
clear
part cloud
part cloud
light snow
light snow
heavy snow
light snow
light snow
cloud
light snow
light snow
cloud
light snow
mod snow
snow showers
cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
light snow
light snow
light snow
cloud
part cloud
cloud
light snow
light rain
light snow
clear
some clouds
some clouds
light snow
light snow
heavy snow
light snow
light snow
cloudy
light snow
light snow
cloudy
light snow
mod snow
snow shwrs
cloudy
some clouds
clear
clear
clear
clear
clear
some clouds
some clouds
clear
some clouds
some clouds
light snow
light snow
light snow
cloudy
some clouds
cloudy
light snow
light rain
light snow
 km/h
30
NNW
20
N
10
N
10
ESE
15
ENE
50
E
30
NNE
15
N
20
NNE
20
N
20
NNE
25
NNE
25
NNE
30
NE
20
NE
10
NNW
15
NE
20
NNW
20
N
20
NNW
20
NNW
15
N
10
N
5
N
5
N
5
NNW
5
N
10
E
20
ENE
20
NNE
5
N
10
N
5
NNE
10
ESE
20
E
55
E
 mm 
2
13
max°C
-4
-4
-4
-4
-2
-1
0
0
-2
-6
-7
-6
-6
-2
0
-1
-2
-4
-5
-5
-6
-6
-6
-6
-7
-6
-7
-3
-3
-1
0
0
-1
0
2
3
Moonrise
12:14
12:13
12:12
12:11
12:12
12:14
12:22
12:48
2:00
3:51
5:47
7:36
Moonset
11:04
12:37
2:14
3:56
5:48
7:47
9:38
10:47
11:11
11:19
11:21
Sunrise
9:53
9:53
9:53
9:53
9:53
9:53
9:52
9:52
9:52
9:51
9:51
9:49
Sunset
3:42
3:44
3:45
3:45
3:48
3:48
3:49
3:52
3:53
3:55
3:56
3:59
Today's sea temperature in Port Chalmers, Montague Island is
6.3° C
(Statistics for 25 Dec 1981-2005 – mean: 5.9 max: 7.0 min: 4.6°C)
Issued (local time): 8 am Thursday 25 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest