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 — and sunset is at 08:19 PM.

Days 1–4 Weather Summary

A dusting of snow turning to light rain (total 2mm) on Wed afternoon. Icy conditions (max 3°C on Wed afternoon, min 0°C on Sun night). Winds decreasing (strong winds from the WSW on Sun night, calm by Mon afternoon).

Days 5–7 Weather Summary

Light rain (total 2mm) at first, then becoming colder with a dusting of snow on Fri night. Air temperatures will be slightly above freezing (max 4°C on Thu morning, min 2°C on Fri afternoon). Winds decreasing (strong winds from the W on Wed night, light winds from the W by Thu night).

Days 8–10 Weather Summary

Moderate rain (total 18mm), heaviest on Mon afternoon. Mild temperatures (max 5°C on Mon afternoon, min 1°C on Sun night). Winds increasing (light winds from the WSW on Sun morning, near gales from the NW by Mon night).

Days 11–13 Weather Summary

Light rain (total 4mm), mostly falling on Thu morning. Temperatures will be slightly above freezing (max 4°C on Wed morning, min 3°C on Tue night). Winds increasing (moderate winds from the NW on Wed morning, near gales from the W by Thu night).

Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Fri
19
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
AM
PM
Wave Height Map
High Tide
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
11:49AM1.07m
10:10PM1.09m
12:24PM1.10m
10:49PM1.07m
12:51PM1.11m
Low Tide
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
4:47PM0.91m
5:13AM0.54m
5:32PM0.87m
5:45AM0.45m
Wave
height (m) 
direction
period (s) 
2.2
WSW
8
1.8
NW
10
1.7
WNW
11
1.6
WNW
10
1.9
WNW
10
2
WNW
10
2
W
12
1.7
W
12
1.7
W
11
1.8
W
10
1.8
WNW
10
2.4
W
16
3
W
15
2.5
W
14
2.3
W
14
2.3
W
13
2.2
W
13
2
W
12
1.6
W
12
1.4
W
11
1.3
W
11
1.3
W
10
3
N
8
4
NNW
9
4.5
NW
10
6
W
14
5
W
14
3.5
W
13
3
W
12
2.5
W
11
3
W
11
3.5
NNW
8
3.5
W
12
5
W
15
5.5
W
16
5
W
16
part cloud
cloud
light snow
cloud
part cloud
part cloud
part cloud
cloud
light rain
part cloud
part cloud
part cloud
clear
cloud
light rain
light snow
part cloud
clear
part cloud
part cloud
part cloud
part cloud
mod rain
mod rain
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
rain showers
light rain
cloud
part cloud
part cloud
part cloud
some clouds
cloudy
light snow
cloudy
some clouds
some clouds
some clouds
cloudy
light rain
some clouds
some clouds
some clouds
clear
cloudy
light rain
light snow
some clouds
clear
some clouds
some clouds
some clouds
some clouds
mod rain
mod rain
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
rain shwrs
light rain
cloudy
some clouds
some clouds
some clouds
 km/h
35
W
10
NNW
10
SSE
20
SW
35
WSW
35
WSW
25
WSW
25
N
30
NNE
25
WNW
15
WNW
20
WNW
10
W
15
NE
30
ENE
25
ESE
25
SSE
25
S
20
SW
10
WSW
15
NW
40
NNE
55
N
45
NNW
55
NW
50
WNW
40
WNW
30
NW
20
NNW
30
N
45
N
45
NW
40
WNW
50
W
50
W
45
W
 mm 
2
1
1
8
10
1
3
max°C
1
1
0
2
2
2
2
2
3
3
4
4
4
3
3
3
3
3
3
2
2
2
4
5
4
3
3
3
4
4
4
4
4
4
3
3
Moonrise
12:22
12:46
1:02
1:14
1:23
1:32
1:40
1:50
2:02
2:17
2:39
3:10
Moonset
7:43
9:14
10:41
12:01
1:18
2:32
3:45
4:59
6:14
7:29
8:40
Sunrise
3:35
3:34
3:34
3:34
3:34
3:33
3:33
3:33
3:33
3:33
3:34
3:34
Sunset
8:19
8:20
8:21
8:22
8:22
8:24
8:25
8:27
8:27
8:28
8:29
8:30
8:30
Today's sea temperature in Heard Island is
3.1° C
(Statistics for 07 Dec 1981-2005 – mean: 2.0 max: 3.3 min: 0.8°C)
Issued (local time): 10 pm Sunday 07 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest