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 09:51 AM and sunset is at 03:40 PM.

Days 1–3 Weather Summary

Mostly dry. Air temperatures will be below freezing (max -3°C on Thu morning, min -9°C on Sat night). Winds increasing (light winds from the N on Fri morning, fresh winds from the NNE by Sat night).

Days 4–6 Weather Summary

Mostly dry. Air temperatures will be below freezing (max -4°C on Tue night, min -10°C on Sun night). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Temperatures will be below freezing (max -2°C on Thu morning, min -10°C on Fri night). Winds increasing (calm on Wed night, near gales from the N by Fri morning).

Days 10–12 Weather Summary

Mostly dry. Temperatures will be well below freezing (max -6°C on Sun afternoon, min -11°C on Sat night). Winds decreasing (strong winds from the N on Sat morning, light winds from the NNE by Mon morning).

Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
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
11:40AM3.80m
1:19AM3.07m
12:17PM3.86m
1:54AM3.13m
12:54PM3.90m
2:29AM3.16m
1:30PM3.89m
3:03AM3.17m
2:05PM3.83m
3:37AM3.17m
2:41PM3.72m
4:14AM3.17m
3:19PM3.53m
4:53AM3.19m
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
Low Tide
6:38PM-0.08m
6:24AM1.46m
7:12PM-0.18m
7:01AM1.43m
7:47PM-0.24m
7:38AM1.41m
8:23PM-0.26m
8:17AM1.38m
8:59PM-0.23m
8:58AM1.37m
9:36PM-0.16m
9:42AM1.34m
10:14PM-0.02m
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
Wave
height (m) 
direction
period (s) 
1
SSE
10
0.9
SE
10
0.6
SE
9
0.5
SE
7
0.4
ESE
6
0.4
SE
7
0.4
SE
7
0.4
SE
8
1
NE
4
0.9
ESE
6
0.8
ESE
7
0.7
SE
8
0.6
ESE
8
0.6
ESE
8
0.5
ESE
6
0.4
ESE
7
0.3
ESE
6
0.2
SSE
7
0.4
E
4
0.3
SE
7
0.2
SSE
9
0.4
ENE
3
0.6
E
4
1
NNE
4
2.1
NNE
6
2.1
NNE
6
2
NNE
6
1.8
ESE
10
1.7
ESE
10
1.7
ESE
10
1.6
SE
10
1.5
ESE
10
1.2
ESE
9
1.3
ESE
9
1.1
ESE
8
1
SE
12
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
part cloud
cloud
cloud
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
cloudy
cloudy
cloudy
some clouds
cloudy
cloudy
some clouds
cloudy
some clouds
clear
clear
clear
clear
clear
clear
clear
 km/h
25
N
25
N
20
N
10
N
10
N
10
N
20
N
15
N
35
NNE
25
NNE
20
N
15
NE
10
NE
15
N
15
NNW
15
NNW
10
NNW
15
N
5
N
5
NNW
5
ESE
10
ENE
10
NNE
45
N
60
N
60
N
50
N
45
N
30
NNE
25
NNE
25
N
30
N
15
ENE
10
NNE
5
NNE
10
NNW
 mm 
max°C
-3
-4
-5
-6
-6
-6
-5
-6
-6
-9
-7
-9
-9
-8
-8
-6
-6
-4
-4
-4
-4
-2
-2
-2
-6
-7
-7
-9
-10
-10
-8
-6
-8
-8
-8
-8
Moonrise
10:02
11:15
11:54
12:08
12:13
12:15
12:15
12:14
12:13
12:12
12:11
12:12
Moonset
1:24
1:58
3:09
4:42
6:20
7:57
9:31
11:04
12:37
2:14
3:56
Sunrise
9:51
9:52
9:52
9:52
9:52
9:53
9:53
9:53
9:53
9:53
9:53
9:53
Sunset
3:40
3:40
3:40
3:41
3:41
3:41
3:42
3:42
3:44
3:45
3:45
3:48
Today's sea temperature in Port Chalmers, Montague Island is
6.8° C
(Statistics for 18 Dec 1981-2005 – mean: 6.2 max: 7.4 min: 4.8°C)
Issued (local time): 8 am Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest