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 07:18 AM and sunset is at 04:47 PM.

Days 1–3 Weather Summary

Heavy rain (total 23mm), heaviest during Fri afternoon. Low air temperatures (max 6°C on Fri afternoon, min 2°C on Wed morning). Mainly gales.

Days 4–6 Weather Summary

Mild with moderate rain (total 12mm) on Sat afternoon. Becoming colder with a light covering of snow, mostly falling on Mon afternoon. Air temperatures will be slightly above freezing (max 4°C on Sat morning, min 1°C on Mon afternoon). Winds increasing (light winds from the SSE on Sun night, gales from the E by Mon night).

Days 7–9 Weather Summary

Moderate rain (total 12mm), heaviest on Thu morning. Mild temperatures (max 5°C on Thu morning, min 1°C on Tue night). Winds decreasing (near gales from the SSE on Tue afternoon, light winds from the WNW by Wed morning).

Days 10–12 Weather Summary

Moderate rain (total 12mm), heaviest on Sun night. Freeze-thaw conditions (max 4°C on Sun night, min -1°C on Fri night). Winds increasing (fresh winds from the NW on Sun morning, severe gales from the ENE by Sun night).

Wednesday
30
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
Tuesday
6
Wednesday
7
Thursday
8
Friday
9
Saturday
10
Sunday
11
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
1:19PM1.21m
2:45AM1.14m
1:57PM1.22m
3:29AM1.12m
2:35PM1.21m
4:14AM1.09m
3:14PM1.20m
5:00AM1.07m
3:55PM1.17m
5:52AM1.06m
4:40PM1.12m
6:56AM1.06m
5:33PM1.06m
8:18AM1.08m
6:57PM1.00m
9:29AM1.11m
9:41PM0.99m
10:19AM1.13m
11:03PM1.02m
10:56AM1.14m
11:56PM1.04m
11:26AM1.13m
00:35AM1.05m
Low Tide
7:31AM0.56m
8:01PM0.07m
8:08AM0.59m
8:42PM0.07m
8:46AM0.63m
9:25PM0.13m
9:24AM0.69m
10:08PM0.23m
10:06AM0.75m
10:53PM0.36m
10:58AM0.82m
11:44PM0.50m
12:19PM0.88m
00:50AM0.63m
2:32PM0.88m
2:18AM0.72m
3:55PM0.82m
3:36AM0.77m
4:50PM0.73m
4:34AM0.78m
5:30PM0.64m
5:20AM0.76m
6:02PM0.53m
Wave
height (m) 
direction
period (s) 
2
WSW
10
3
WNW
7
5.5
WSW
12
5.5
WSW
13
5
WSW
13
5
WSW
16
4
WSW
16
3.5
WSW
15
3.5
WSW
14
3.5
W
12
3
W
12
3
W
12
3
W
12
3
WNW
12
2.5
WNW
12
2.4
W
12
2.5
W
11
3
ENE
8
3
WNW
15
3.5
SE
8
2.4
ESE
9
1.8
ESE
9
1.7
E
9
1.9
SW
9
2.4
NW
6
2.5
WNW
8
3.5
W
10
5
WNW
11
6.5
W
12
6
W
14
5.5
WSW
13
5
WSW
13
3.5
WSW
12
3
WSW
12
2.5
W
12
4
NNE
8
part cloud
mod rain
part cloud
rain showers
cloud
part cloud
light rain
heavy rain
light rain
cloud
light rain
rain showers
cloud
part cloud
part cloud
cloud
light snow
light snow
light rain
light rain
clear
cloud
cloud
light rain
light rain
part cloud
rain showers
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
heavy rain
some clouds
mod rain
some clouds
rain shwrs
cloudy
some clouds
light rain
heavy rain
light rain
cloudy
light rain
rain shwrs
cloudy
some clouds
some clouds
cloudy
light snow
light snow
light rain
light rain
clear
cloudy
cloudy
light rain
light rain
some clouds
rain shwrs
some clouds
cloudy
some clouds
some clouds
some clouds
some clouds
cloudy
some clouds
heavy rain
 km/h
30
NW
65
W
75
WSW
65
WSW
60
WSW
45
W
15
N
45
W
30
W
30
WNW
30
WNW
35
WSW
40
W
40
WSW
20
SSE
45
ENE
50
E
50
E
55
SE
55
SSE
25
S
25
NW
30
NNW
30
NW
45
WNW
40
WNW
55
NW
65
WNW
70
W
60
WSW
65
WSW
60
SW
40
W
35
NW
35
N
80
ENE
 mm 
6
1
3
11
2
5
3
4
2
1
1
5
3
12
max°C
3
5
3
3
3
3
2
6
5
4
4
4
2
2
2
2
1
4
4
2
2
1
3
4
5
4
3
1
1
1
1
1
3
3
3
4
Moonrise
12:21
1:36
2:26
2:58
3:19
3:33
3:43
3:52
4:00
4:07
4:16
4:27
Moonset
6:38
7:38
8:55
10:20
11:44
1:04
2:21
3:34
4:46
5:58
7:11
Sunrise
7:18
7:20
7:20
7:22
7:24
7:26
7:28
7:30
7:31
7:33
7:35
7:35
Sunset
4:47
4:45
4:44
4:42
4:39
4:37
4:37
4:35
4:32
4:30
4:29
4:28
Today's sea temperature in Heard Island is 3.6 °C (Statistics for 30 Apr 1981-2005 – mean: 2.6 max: 3.3 min: 1.9°C)
Issued (local time): 10 am Wednesday 30 Apr 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest