Heard Island Sea Conditions and Tide Table

Heard 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 03:38 AM and sunset is at 08:34 PM.

Days 1–3 Weather Summary

Light rain (total 7mm), mostly falling on Sun morning. Air temperatures will be slightly above freezing (max 4°C on Sat afternoon, min 2°C on Fri morning). Winds increasing (light winds from the NNW on Sun morning, gales from the W by Sun night).

Days 4–6 Weather Summary

Light rain (total 9mm) at first, then becoming colder with a dusting of snow on Tue night. Air temperatures will be slightly above freezing (max 4°C on Tue night, min 2°C on Mon morning). Winds decreasing (gales from the WSW on Mon morning, light winds from the NNW by Tue night).

Days 7–9 Weather Summary

Light rain (total 8mm), mostly falling on Thu morning. Temperatures will be slightly above freezing (max 4°C on Thu morning, min 2°C on Fri night). Mainly strong winds.

Days 10–12 Weather Summary

Light rain (total 9mm), mostly falling on Tue afternoon. Mild temperatures (max 5°C on Tue night, min 2°C on Sun morning). Winds decreasing (strong winds from the WSW on Sun afternoon, light winds from the NW by Mon night).

Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
Tuesday
6
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
4:03PM1.13m
3:48AM1.13m
4:39PM1.14m
4:47AM1.12m
5:18PM1.16m
5:59AM1.10m
6:04PM1.16m
7:46AM1.09m
7:02PM1.16m
9:47AM1.14m
8:14PM1.17m
11:00AM1.19m
9:29PM1.18m
11:53AM1.23m
10:37PM1.19m
12:37PM1.23m
11:33PM1.20m
1:16PM1.22m
00:23AM1.20m
1:52PM1.19m
1:10AM1.18m
2:25PM1.16m
1:55AM1.14m
Low Tide
9:25AM0.34m
9:47PM0.61m
10:06AM0.47m
10:37PM0.63m
10:54AM0.61m
11:40PM0.63m
11:53AM0.75m
1:03AM0.61m
1:21PM0.86m
2:34AM0.55m
3:08PM0.91m
3:47AM0.45m
4:21PM0.89m
4:45AM0.33m
5:17PM0.83m
5:36AM0.23m
6:04PM0.75m
6:22AM0.16m
6:46PM0.66m
7:04AM0.13m
7:26PM0.59m
7:45AM0.14m
8:05PM0.53m
Wave
height (m) 
direction
period (s) 
2.5
W
11
2.1
W
10
1.8
W
10
1.7
W
10
1.6
W
10
1.5
W
10
1.4
W
10
2
W
9
4.5
W
10
4.5
W
11
4
W
11
3.5
W
10
4
W
10
3.5
W
11
2.5
W
11
2.5
W
10
2.4
W
10
1.9
W
10
1.9
W
9
2
W
9
2.1
WNW
9
2.5
WSW
14
2.5
WSW
13
2.5
WSW
13
2.2
WSW
12
1.9
WSW
12
1.9
WSW
12
2
WNW
8
2
W
8
2.1
W
8
1.8
WSW
8
1.7
WSW
8
1.5
WSW
12
1.4
WSW
12
1.7
NNW
6
1.9
NW
8
part cloud
clear
part cloud
cloud
part cloud
part cloud
light rain
rain showers
rain showers
part cloud
part cloud
light rain
rain showers
part cloud
light snow
light rain
part cloud
part cloud
light rain
light rain
rain showers
rain showers
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
cloud
light rain
light rain
some clouds
clear
some clouds
cloudy
some clouds
some clouds
light rain
rain shwrs
rain shwrs
some clouds
some clouds
light rain
rain shwrs
some clouds
light snow
light rain
some clouds
some clouds
light rain
light rain
rain shwrs
rain shwrs
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
clear
some clouds
some clouds
some clouds
some clouds
cloudy
light rain
light rain
 km/h
30
WSW
20
W
20
NW
30
NW
20
NNW
15
N
20
WNW
50
W
65
WSW
60
WSW
55
W
55
WNW
55
WSW
35
SW
15
NNW
35
W
30
W
25
NW
35
NNW
30
NNW
25
WNW
40
WSW
40
W
45
W
30
WNW
30
W
40
W
40
W
40
WSW
40
WSW
30
WSW
30
SW
20
W
30
NNW
35
NNW
20
WNW
 mm 
3
2
2
4
3
1
1
2
2
3
1
5
4
max°C
3
3
3
3
4
4
4
4
3
2
2
3
3
3
4
3
3
4
4
4
3
3
3
3
2
3
3
3
3
2
2
3
3
3
4
5
Moonrise
11:23
12:44
2:08
3:36
5:09
6:45
8:15
9:27
10:15
10:46
11:05
11:19
Moonset
12:15
12:25
12:35
12:45
12:59
1:18
1:46
2:31
3:39
5:06
6:40
8:11
Sunrise
3:38
3:39
3:40
3:41
3:42
3:43
3:44
3:45
3:46
3:47
3:48
3:49
Sunset
8:34
8:34
8:34
8:34
8:34
8:34
8:34
8:34
8:34
8:32
8:32
8:31
Today's sea temperature in Heard Island is
3.2° C
(Statistics for 26 Dec 1981-2005 – mean: 2.4 max: 3.3 min: 1.4°C)
Issued (local time): 4 am Friday 26 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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