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

Mostly dry. Air temperatures will be slightly above freezing (max 4°C on Sat afternoon, min 2°C on Thu morning). Winds decreasing (strong winds from the W on Thu morning, light winds from the W by Fri night).

Days 4–6 Weather Summary

Heavy rain (total 22mm), heaviest during Sun morning. Low air temperatures (max 5°C on Sun morning, min 2°C on Sun night). Winds increasing (fresh winds from the NE on Sun morning, gales from the WSW by Sun night).

Days 7–9 Weather Summary

Light rain (total 7mm), mostly falling on Wed morning. Temperatures will be slightly above freezing (max 4°C on Thu morning, min 2°C on Fri night). Winds decreasing (strong winds from the W on Wed morning, moderate winds from the WNW by Fri night).

Days 10–12 Weather Summary

Light rain (total 2mm), mostly falling on Sat morning. Temperatures will be slightly above freezing (max 2°C on Sat morning, min 2°C on Sat morning). Winds increasing (moderate winds from the W on Sat morning, near gales from the SW by Sat 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
3:31PM1.11m
2:58AM1.13m
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
Low Tide
8:47AM0.24m
9:05PM0.61m
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
Wave
height (m) 
direction
period (s) 
3.5
W
11
3.5
W
11
3
W
11
2.5
W
11
2.2
W
10
1.8
W
10
1.7
W
10
1.6
W
10
1.6
WNW
10
1.6
W
10
2
W
9
4
WNW
10
5.5
W
11
5
W
11
4
W
11
3.5
W
10
3.5
W
11
3
WSW
11
3
WSW
10
2.5
W
10
2.5
W
10
2.3
W
9
2.4
W
9
2.5
WNW
8
2.5
W
9
2.5
WSW
14
2.3
WSW
13
2
WSW
13
2.1
WSW
12
3.5
W
10
3
WSW
10
3
SW
9
2.5
SW
9
2
SSW
9
2
SSW
9
2.3
SSW
9
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
mod rain
light rain
rain showers
part cloud
part cloud
rain showers
light rain
part cloud
part cloud
light rain
light rain
light rain
cloud
cloud
rain showers
part cloud
part cloud
rain showers
light rain
part cloud
rain showers
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
mod rain
light rain
rain shwrs
some clouds
some clouds
rain shwrs
light rain
some clouds
some clouds
light rain
light rain
light rain
cloudy
cloudy
rain shwrs
some clouds
some clouds
rain shwrs
light rain
some clouds
rain shwrs
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
 km/h
50
W
50
W
45
W
30
W
20
W
20
WNW
30
NW
25
NW
25
NNE
30
NNE
45
WSW
60
W
70
WSW
60
W
55
WNW
45
SW
55
WSW
35
W
50
W
40
W
45
W
35
WNW
35
WNW
40
WNW
35
WNW
30
NW
30
WNW
25
WSW
40
WSW
55
SW
50
WSW
55
WSW
45
WSW
40
WSW
40
SW
50
SW
 mm 
6
5
3
5
3
1
1
2
1
2
1
1
max°C
3
3
3
3
3
3
3
4
4
5
5
2
2
2
2
2
2
2
3
3
3
4
4
4
3
3
3
2
2
2
2
2
2
2
2
2
Moonrise
10:03
11:23
12:44
2:08
3:36
5:09
6:45
8:15
9:27
10:15
10:46
11:05
Moonset
12:04
12:15
12:25
12:35
12:45
12:59
1:18
1:46
2:31
3:39
5:06
6:40
Sunrise
3:38
3:38
3:39
3:40
3:41
3:42
3:43
3:44
3:45
3:46
3:47
3:48
Sunset
8:34
8:34
8:34
8:34
8:34
8:34
8:34
8:34
8:34
8:34
8:32
8:32
Today's sea temperature in Heard Island is
3.2° C
(Statistics for 25 Dec 1981-2005 – mean: 2.4 max: 3.3 min: 1.4°C)
Issued (local time): 10 am Thursday 25 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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