Magens Bay, Saint Thomas Island Sea Conditions and Tide Table

Magens Bay, Saint Thomas 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 05:46 PM.

Days 1–4 Weather Summary

Light rain (total 7mm), mostly falling on Thu night. Warm air temperatures (max 26°C on Thu afternoon, min 26°C on Thu afternoon). Mainly fresh winds.

Days 5–7 Weather Summary

Moderate rain (total 11mm), heaviest on Mon afternoon. Warm air temperatures (max 26°C on Sun afternoon, min 25°C on Tue night). Mainly fresh winds.

Days 8–10 Weather Summary

Heavy rain (total 26mm), heaviest during Wed night. Warm (max 25°C on Wed afternoon, min 24°C on Wed night). Winds increasing (light winds from the ENE on Wed night, fresh winds from the NE by Fri night).

Days 11–13 Weather Summary

Light rain (total 5mm), mostly falling on Sat afternoon. Warm (max 26°C on Sun afternoon, min 24°C on Sun morning). Winds decreasing (strong winds from the NE on Sun morning, moderate winds from the ENE by Mon night).

Thu
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tue
30
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
AM
Wave Height Map
High Tide
9:36AM0.41m
10:14AM0.42m
10:50AM0.43m
11:24AM0.44m
11:54AM0.44m
12:22PM0.43m
12:47PM0.41m
00:10AM0.11m
1:08PM0.36m
4:32AM0.17m
1:25PM0.30m
5:13AM0.26m
1:26PM0.23m
5:56AM0.33m
6:42AM0.39m
Low Tide
00:08AM-0.12m
00:40AM-0.12m
1:10AM-0.12m
1:40AM-0.10m
2:10AM-0.08m
2:40AM-0.03m
3:12AM0.03m
9:12PM0.10m
8:59PM0.08m
6:10AM0.17m
9:03PM0.03m
9:52AM0.21m
9:15PM-0.02m
9:38PM-0.09m
Wave
height (m) 
direction
period (s) 
0.9
NNE
10
1.1
NE
6
1
NE
9
0.9
NE
9
0.8
NE
9
0.9
NE
9
0.9
ENE
10
1
NE
10
1
NE
10
0.9
NE
10
0.9
NE
10
0.8
ENE
10
0.7
NE
10
0.7
NE
9
0.8
NE
9
0.9
NE
9
1.1
NE
6
1
NNE
9
1.1
N
9
1
NNW
11
0.9
NNW
10
0.9
N
10
1
N
10
1.1
NE
6
1
NNE
9
1.2
NE
6
1.2
N
10
1.2
N
10
1.5
NE
7
1.6
NE
7
1.3
NE
6
1
NE
6
0.8
ENE
7
0.8
ENE
6
0.7
ENE
6
0.8
ENE
6
clear
rain showers
clear
clear
clear
rain showers
rain showers
rain showers
clear
clear
clear
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
thunderstorm
part cloud
clear
clear
clear
rain showers
clear
clear
rain shwrs
clear
clear
clear
rain shwrs
rain shwrs
rain shwrs
clear
clear
clear
risk tstorm
risk tstorm
clear
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
some clouds
risk tstorm
risk tstorm
risk tstorm
some clouds
clear
clear
clear
rain shwrs
clear
 km/h
25
E
30
E
25
E
25
ENE
25
ENE
25
ENE
30
ENE
25
E
25
ENE
25
ENE
25
E
25
E
20
ENE
20
NE
25
ENE
30
ENE
30
ENE
25
ENE
20
ENE
15
ENE
20
NE
20
NE
30
NNE
30
ENE
30
ENE
30
ENE
30
ENE
30
NE
40
ENE
40
NE
35
NE
30
ENE
20
ENE
20
ENE
20
ENE
25
ENE
 mm 
1
2
1
3
1
4
1
1
2
2
1
10
1
1
4
2
4
3
1
1
2
1
max°C
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
25
25
25
25
25
25
25
25
25
25
25
25
25
26
26
25
25
25
26
Moonrise
6:25
7:18
8:07
8:53
9:36
10:14
10:51
11:27
12:03
12:41
1:22
2:09
Moonset
4:36
5:26
6:19
7:15
8:10
9:05
9:58
10:51
11:44
12:39
1:37
2:39
Sunrise
6:45
6:46
6:46
6:47
6:47
6:48
6:48
6:48
6:48
6:48
6:50
6:50
Sunset
5:46
5:46
5:47
5:47
5:47
5:49
5:50
5:50
5:51
5:51
5:52
5:52
Today's sea temperature in Magens Bay, Saint Thomas Island is
28.0° C
(Statistics for 18 Dec 1981-2005 – mean: 26.9 max: 27.8 min: 26.0°C)
Issued (local time): 1 pm Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest