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 03:36 AM and sunset is at 08:15 PM.

Days 1–3 Weather Summary

A dusting of new snow. Air temperatures will be slightly above freezing (max 1°C on Fri morning, min 1°C on Fri morning). Winds decreasing (gales from the WSW on Fri night, moderate winds from the W by Sun night).

Days 4–6 Weather Summary

A dusting of snow turning to light rain (total 5mm) on Wed night. Air temperatures will be slightly above freezing (max 3°C on Wed afternoon, min 1°C on Mon morning). Winds increasing (light winds from the N on Mon morning, strong winds from the NNE by Wed night).

Days 7–9 Weather Summary

Moderate rain (total 10mm), heaviest on Fri afternoon. Temperatures will be slightly above freezing (max 4°C on Thu morning, min 1°C on Sat night). Winds increasing (light winds from the W on Thu morning, strong winds from the SW by Sat afternoon).

Days 10–12 Weather Summary

Light rain (total 6mm) at first, then becoming colder with a dusting of snow on Mon night. Temperatures will be slightly above freezing (max 3°C on Mon night, min 1°C on Sun night). Winds decreasing (strong winds from the N on Mon afternoon, light winds from the WSW by Wed morning).

Friday
5
Saturday
6
Sunday
7
Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
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
12:49PM1.22m
11:52PM1.20m
1:32PM1.20m
00:37AM1.21m
2:12PM1.18m
1:19AM1.20m
2:50PM1.15m
2:02AM1.19m
3:27PM1.12m
2:44AM1.16m
4:04PM1.10m
3:29AM1.12m
4:41PM1.09m
4:15AM1.07m
5:19PM1.09m
5:08AM1.02m
6:00PM1.09m
6:23AM0.97m
6:50PM1.09m
9:12AM0.97m
7:58PM1.09m
10:55AM1.02m
9:16PM1.09m
Low Tide
5:55AM0.23m
6:17PM0.69m
6:40AM0.12m
6:58PM0.65m
7:22AM0.07m
7:37PM0.61m
8:03AM0.06m
8:16PM0.59m
8:43AM0.11m
8:55PM0.59m
9:23AM0.21m
9:37PM0.62m
10:01AM0.35m
10:23PM0.66m
10:40AM0.50m
11:21PM0.71m
11:21AM0.65m
00:47AM0.75m
12:14PM0.79m
2:31AM0.74m
2:03PM0.89m
3:43AM0.69m
3:44PM0.92m
4:34AM0.62m
Wave
height (m) 
direction
period (s) 
3
W
10
3
WSW
8
4
WSW
9
4
WSW
10
4
WSW
10
3.5
WSW
10
2.5
WSW
10
2.3
SW
9
1.8
WSW
8
1.8
NW
10
1.7
WNW
10
1.9
WNW
10
1.8
WNW
10
1.8
WNW
10
2
W
13
1.8
W
12
1.6
W
12
1.7
W
11
1.5
WNW
8
1.4
WNW
9
2.4
W
16
2.5
W
15
2.5
W
14
3
W
13
3
W
13
2.5
W
13
2.1
W
12
2.1
W
11
2
W
11
1.6
W
10
1.4
W
10
1.7
NNW
5
1.9
NW
7
2.5
WNW
9
3.5
W
14
4
W
13
snow showers
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
light snow
part cloud
part cloud
part cloud
part cloud
cloud
cloud
light rain
part cloud
part cloud
part cloud
cloud
light rain
light rain
light rain
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
light rain
light snow
part cloud
part cloud
part cloud
snow shwrs
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
light snow
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
light rain
some clouds
some clouds
some clouds
cloudy
light rain
light rain
light rain
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
light rain
light snow
some clouds
some clouds
some clouds
 km/h
55
WSW
55
WSW
60
WSW
65
WSW
65
WSW
50
W
40
WSW
40
WSW
30
W
15
N
25
ESE
30
SSW
30
SW
30
WSW
35
WSW
15
W
25
NNW
30
NNE
20
WNW
25
W
25
NW
25
N
30
NW
25
WNW
35
SW
35
SW
30
SSW
35
SSW
30
SSW
10
WNW
30
N
45
N
25
WNW
40
W
40
W
20
WSW
 mm 
5
4
5
1
2
4
max°C
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
3
3
4
3
3
3
3
3
3
2
2
2
2
2
2
2
3
3
2
2
Moonrise
10:45
11:44
12:22
12:46
1:02
1:14
1:23
1:32
1:40
1:50
2:02
Moonset
3:56
4:53
6:12
7:43
9:14
10:41
12:01
1:18
2:32
3:45
4:59
6:14
Sunrise
3:36
3:36
3:35
3:35
3:34
3:34
3:34
3:34
3:33
3:33
3:33
3:33
Sunset
8:15
8:16
8:19
8:20
8:21
8:22
8:22
8:24
8:25
8:27
8:27
8:28
Today's sea temperature in Heard Island is
3.1° C
(Statistics for 05 Dec 1981-2005 – mean: 1.9 max: 3.0 min: 0.8°C)
Issued (local time): 10 am Friday 05 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest