Union Seamount Sea Conditions and Tide Table

Union Seamount 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 08:00 PM.

Days 1–4 Weather Summary

Heavy rain (total 23mm), heaviest during Tue night. Low air temperatures (max 8°C on Tue night, min 5°C on Wed morning). Mainly gales.

Days 5–7 Weather Summary

Moderate rain (total 13mm), heaviest on Sun night. Low air temperatures (max 9°C on Sun afternoon, min 6°C on Sat morning). Winds decreasing (near gales from the SSE on Sat afternoon, light winds from the W by Sun morning).

Days 8–10 Weather Summary

Some drizzle, heaviest during Wed night. Mild temperatures (max 9°C on Mon night, min 7°C on Tue night). Winds increasing (calm on Mon night, near gales from the SE by Thu morning).

Days 11–13 Weather Summary

Light rain (total 7mm), mostly falling on Sun morning. Mild temperatures (max 8°C on Thu night, min 7°C on Sat night). Winds decreasing (near gales from the E on Fri night, moderate winds from the ESE by Sat night).

Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sun
30
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
4:12AM3.29m
5:10PM2.71m
6:04PM2.52m
5:20AM3.10m
7:27PM2.39m
6:11AM3.01m
9:25PM2.40m
7:27AM2.95m
10:45PM2.55m
8:56AM2.98m
11:27PM2.75m
10:13AM3.11m
11:59PM2.96m
11:17AM3.27m
00:28AM3.19m
12:13PM3.41m
00:59AM3.43m
1:05PM3.51m
1:30AM3.64m
1:55PM3.52m
2:03AM3.80m
2:45PM3.45m
Low Tide
10:01PM1.55m
10:55AM1.05m
10:28PM1.74m
11:41AM1.15m
10:59PM1.94m
12:41PM1.24m
11:38PM2.12m
2:00PM1.26m
00:57AM2.27m
3:22PM1.17m
3:08AM2.26m
4:26PM1.02m
4:31AM2.07m
5:16PM0.86m
5:28AM1.78m
5:59PM0.74m
6:16AM1.42m
6:38PM0.70m
7:01AM1.04m
7:16PM0.74m
7:45AM0.69m
7:54PM0.86m
8:30AM0.42m
Wave
height (m) 
direction
period (s) 
4.5
SSW
10
4
S
10
4
S
10
4
SSE
10
4
WSW
12
4
W
12
4
W
11
4
W
11
4
W
12
3.5
W
12
3.5
WNW
15
3.5
WNW
14
3
WNW
14
2.5
WNW
13
2.5
W
13
3.5
W
19
3.5
W
17
3.5
W
16
3
W
15
2.5
W
14
2.4
W
14
2
W
13
2.2
W
12
2.4
ENE
7
2.5
ESE
7
4
SSE
10
5.5
S
13
4
SSW
12
3.5
SSW
11
3
SSW
11
4
SSE
10
3.5
SE
10
3
SSE
10
3
S
10
3
SSE
9
3
SSE
9
heavy rain
light rain
rain showers
part cloud
light rain
cloud
light rain
light rain
part cloud
cloud
light rain
light rain
cloud
cloud
cloud
mod rain
cloud
part cloud
part cloud
cloud
cloud
part cloud
clear
cloud
light rain
part cloud
clear
clear
part cloud
part cloud
light rain
light rain
cloud
part cloud
rain showers
part cloud
heavy rain
light rain
rain shwrs
some clouds
light rain
cloudy
light rain
light rain
some clouds
cloudy
light rain
light rain
cloudy
cloudy
cloudy
mod rain
cloudy
some clouds
some clouds
cloudy
cloudy
some clouds
clear
cloudy
light rain
some clouds
clear
clear
some clouds
some clouds
light rain
light rain
cloudy
some clouds
rain shwrs
some clouds
 km/h
20
NW
40
NNW
35
W
35
SW
40
W
35
WSW
40
WSW
35
WSW
25
W
20
SSW
45
SE
35
SSW
35
SSW
10
W
15
S
50
SSW
25
SW
15
WSW
10
SE
25
E
30
E
25
E
45
ENE
40
ESE
45
ESE
45
SE
45
SE
40
ESE
40
E
40
E
55
E
30
ESE
30
SSE
30
E
40
SE
40
ESE
 mm 
14
2.0
1.0
3
2.0
1.0
2.0
3
8
1.0
1.0
1.0
5
max°C
8
5
6
7
7
7
6
6
7
7
7
8
8
8
9
9
8
9
9
8
8
8
8
9
9
9
9
8
8
8
8
8
8
8
8
8
Moonrise
1:25
2:36
3:42
4:40
5:27
6:02
6:28
6:48
7:05
7:20
7:36
7:52
Moonset
9:10
9:32
10:01
10:41
11:35
12:43
2:02
3:25
4:51
6:18
7:45
9:15
10:46
Sunrise
7:56
7:54
7:52
7:50
7:48
7:46
7:43
7:41
7:39
7:37
7:35
7:33
Sunset
8:00
8:01
8:02
8:05
8:06
8:07
8:08
8:10
8:12
8:14
8:15
8:16
8:19
Today's sea temperature in Union Seamount is 7.6 °C (Statistics for 18 Mar 1981-2005 – mean: 7.5 max: 8.5 min: 6.1°C)
Issued (local time): 10 pm Tuesday 18 Mar 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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