São Tomé Sea Conditions and Tide Table

São Tomé 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 05:26 AM and sunset is at 05:31 PM.

Days 1–3 Weather Summary

Light rain (total 7mm), mostly falling on Fri night. Warm air temperatures (max 27°C on Thu morning, min 25°C on Thu night). Wind will be generally light.

Days 4–6 Weather Summary

Some drizzle, heaviest during Sun afternoon. Warm air temperatures (max 27°C on Sun morning, min 26°C on Sun afternoon). Wind will be generally light.

Days 7–9 Weather Summary

Light rain (total 9mm), mostly falling on Thu afternoon. Warm (max 27°C on Wed morning, min 26°C on Wed afternoon). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Warm (max 28°C on Mon afternoon, min 26°C on Sat afternoon). Wind will be generally light.

Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
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
2:53PM1.27m
2:40AM1.42m
3:29PM1.31m
3:15AM1.44m
4:05PM1.34m
3:49AM1.46m
4:41PM1.36m
4:22AM1.47m
5:17PM1.38m
4:56AM1.46m
5:54PM1.40m
5:32AM1.43m
6:33PM1.42m
6:13AM1.39m
7:16PM1.44m
7:00AM1.32m
8:04PM1.46m
7:58AM1.25m
8:59PM1.47m
9:11AM1.18m
10:01PM1.48m
10:35AM1.16m
11:07PM1.49m
Low Tide
8:24AM0.22m
8:26PM0.45m
9:00AM0.17m
9:04PM0.42m
9:36AM0.13m
9:41PM0.42m
10:12AM0.12m
10:19PM0.43m
10:47AM0.12m
10:57PM0.46m
11:23AM0.13m
11:37PM0.49m
12:00PM0.17m
00:23AM0.52m
12:40PM0.21m
1:14AM0.54m
1:24PM0.27m
2:13AM0.54m
2:16PM0.33m
3:20AM0.51m
3:16PM0.39m
4:31AM0.44m
4:25PM0.42m
5:40AM0.34m
Wave
height (m) 
direction
period (s) 
0.8
S
10
0.8
S
10
0.8
S
10
0.7
S
10
0.7
S
10
0.6
S
9
0.6
S
10
0.7
SSW
12
0.6
S
12
0.6
S
11
0.7
S
11
0.7
S
10
0.7
S
10
0.8
S
10
0.7
S
9
0.7
S
9
0.7
S
9
0.7
S
9
0.8
S
10
0.8
S
9
0.8
S
9
0.8
S
9
0.8
S
9
0.7
S
9
0.6
S
9
0.6
S
8
0.6
S
10
0.6
S
10
0.7
S
10
0.6
S
9
0.6
S
10
0.7
SSW
10
0.6
S
10
0.7
S
9
0.7
S
9
0.7
S
9
thunderstorm
thunderstorm
rain showers
rain showers
thunderstorm
rain showers
part cloud
part cloud
part cloud
part cloud
thunderstorm
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
thunderstorm
clear
thunderstorm
thunderstorm
part cloud
cloud
thunderstorm
thunderstorm
cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
risk tstorm
risk tstorm
rain shwrs
rain shwrs
risk tstorm
rain shwrs
some clouds
some clouds
some clouds
some clouds
risk tstorm
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
clear
some clouds
risk tstorm
clear
risk tstorm
risk tstorm
some clouds
cloudy
risk tstorm
risk tstorm
cloudy
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
clear
 km/h
10
S
10
SSE
0
WNW
10
SSE
10
S
10
SW
10
SW
15
S
10
SW
10
SSW
15
SSW
15
SSW
10
SSW
15
SSW
10
SSW
10
SSW
10
SW
15
SSW
15
SSW
20
SSW
15
SSW
15
SSW
15
SSW
10
SW
10
SSW
10
SSW
10
SW
15
S
15
SSW
10
SW
5
SSW
15
S
15
S
5
S
20
S
10
SSW
 mm 
1
1
1
1
1
2
1
2
2
2
2
1
max°C
27
27
26
27
27
26
27
26
26
27
27
26
27
27
26
27
27
26
27
27
26
27
27
26
27
27
26
27
27
26
27
27
26
27
28
26
Moonrise
3:56
4:47
5:39
6:31
7:22
8:11
8:58
9:43
10:27
11:12
11:58
12:48
Moonset
4:19
5:11
6:03
6:55
7:45
8:34
9:20
10:04
10:49
11:34
12:22
Sunrise
5:26
5:26
5:26
5:26
5:28
5:28
5:28
5:28
5:30
5:30
5:31
5:31
Sunset
5:31
5:32
5:32
5:34
5:34
5:35
5:35
5:36
5:36
5:37
5:37
5:37
Today's sea temperature in São Tomé is
27.9° C
(Statistics for 18 Dec 1981-2005 – mean: 27.8 max: 28.7 min: 26.6°C)
Issued (local time): 11 am Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest